World War I: Global conflict primarily fought on European continent, that occurred between 1914 and 1918.Acoustics: The branch of physics that deals with sound and sound waves. In medicine it is often applied in procedures in speech and hearing studies. With regard to the environment, it refers to the characteristics of a room, auditorium, theatre, building, etc. that determines the audibility or fidelity of sounds in it. (From Random House Unabridged Dictionary, 2d ed)Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)Sound: A type of non-ionizing radiation in which energy is transmitted through solid, liquid, or gas as compression waves. Sound (acoustic or sonic) radiation with frequencies above the audible range is classified as ultrasonic. Sound radiation below the audible range is classified as infrasonic.World War II: Global conflict involving countries of Europe, Africa, Asia, and North America that occurred between 1939 and 1945.Speech Acoustics: The acoustic aspects of speech in terms of frequency, intensity, and time.Lakes: Inland bodies of still or slowly moving FRESH WATER or salt water, larger than a pond, and supplied by RIVERS and streams.BooksBook SelectionBook Reviews as Topic: Critical analyses of books or other monographic works.Rare BooksBook PricesPhysics: The study of those aspects of energy and matter in terms of elementary principles and laws. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Sound Spectrography: The graphic registration of the frequency and intensity of sounds, such as speech, infant crying, and animal vocalizations.Phonation: The process of producing vocal sounds by means of VOCAL CORDS vibrating in an expiratory blast of air.Voice Quality: That component of SPEECH which gives the primary distinction to a given speaker's VOICE when pitch and loudness are excluded. It involves both phonatory and resonatory characteristics. Some of the descriptions of voice quality are harshness, breathiness and nasality.Reproducibility of Results: The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.Operating Rooms: Facilities equipped for performing surgery.Speech Intelligibility: Ability to make speech sounds that are recognizable.Vocal Cords: A pair of cone-shaped elastic mucous membrane projecting from the laryngeal wall and forming a narrow slit between them. Each contains a thickened free edge (vocal ligament) extending from the THYROID CARTILAGE to the ARYTENOID CARTILAGE, and a VOCAL MUSCLE that shortens or relaxes the vocal cord to control sound production.Noise: Any sound which is unwanted or interferes with HEARING other sounds.Sound Localization: Ability to determine the specific location of a sound source.Acoustic Stimulation: Use of sound to elicit a response in the nervous system.Cataloging: Activities performed in the preparation of bibliographic records for CATALOGS. It is carried out according to a set of rules and contains information enabling the user to know what is available and where items can be found.National Socialism: The doctrines and policies of the Nazis or the National Social German Workers party, which ruled Germany under Adolf Hitler from 1933-1945. These doctrines and policies included racist nationalism, expansionism, and state control of the economy. (from Columbia Encyclopedia, 6th ed. and American Heritage College Dictionary, 3d ed.)Foraminifera: An order of amoeboid EUKARYOTES characterized by reticulating pseudopods and a complex life cycle with an alternation of generations. Most are less than 1mm in size and found in marine or brackish water.Holocaust: A massive slaughter, especially the systematic mass extermination of European Jews in Nazi concentration camps prior to and during World War II.Concentration Camps: Facilities in which WARFARE or political prisoners are confined.Interior Design and Furnishings: The planning of the furnishings and decorations of an architectural interior.Color: The visually perceived property of objects created by absorption or reflection of specific wavelengths of light.Accommodation, Ocular: The dioptric adjustment of the EYE (to attain maximal sharpness of retinal imagery for an object of regard) referring to the ability, to the mechanism, or to the process. Ocular accommodation is the effecting of refractive changes by changes in the shape of the CRYSTALLINE LENS. Loosely, it refers to ocular adjustments for VISION, OCULAR at various distances. (Cline et al., Dictionary of Visual Science, 4th ed)Music Therapy: The use of music as an adjunctive therapy in the treatment of neurological, mental, or behavioral disorders.Music: Sound that expresses emotion through rhythm, melody, and harmony.MP3-Player: Portable electronics device for storing and playing audio and or media files. MP3 for MPEG-1 audio layer 3, is a digital coding format.Internet: A loose confederation of computer communication networks around the world. The networks that make up the Internet are connected through several backbone networks. The Internet grew out of the US Government ARPAnet project and was designed to facilitate information exchange.Mobile Applications: Computer programs or software installed on mobile electronic devices which support a wide range of functions and uses which include television, telephone, video, music, word processing, and Internet service.United StatesPeriodicals as Topic: A publication issued at stated, more or less regular, intervals.Copyright: It is a form of protection provided by law. In the United States this protection is granted to authors of original works of authorship, including literary, dramatic, musical, artistic, and certain other intellectual works. This protection is available to both published and unpublished works. (from Circular of the United States Copyright Office, 6/30/2008)Victoria: A state in southeastern Australia, the southernmost state. Its capital is Melbourne. It was discovered in 1770 by Captain Cook and first settled by immigrants from Tasmania. In 1851 it was separated from New South Wales as a separate colony. Self-government was introduced in 1851; it became a state in 1901. It was named for Queen Victoria in 1851. (From Webster's New Geographical Dictionary, 1988, p1295 & Room, Brewer's Dictionary of Names, p574)Elasticity Imaging Techniques: Non-invasive imaging methods based on the mechanical response of an object to a vibrational or impulsive force. It is used for determining the viscoelastic properties of tissue, and thereby differentiating soft from hard inclusions in tissue such as microcalcifications, and some cancer lesions. Most techniques use ultrasound to create the images - eliciting the response with an ultrasonic radiation force and/or recording displacements of the tissue by Doppler ultrasonography.Breast Neoplasms: Tumors or cancer of the human BREAST.Wounds and Injuries: Damage inflicted on the body as the direct or indirect result of an external force, with or without disruption of structural continuity.False Positive Reactions: Positive test results in subjects who do not possess the attribute for which the test is conducted. The labeling of healthy persons as diseased when screening in the detection of disease. (Last, A Dictionary of Epidemiology, 2d ed)Palpation: Application of fingers with light pressure to the surface of the body to determine consistence of parts beneath in physical diagnosis; includes palpation for determining the outlines of organs.Elasticity: Resistance and recovery from distortion of shape.TennesseeEntomophthorales: An order of fungi comprising mostly insect pathogens, though some infect mammals including humans. Strict host specificity make these fungi a focus of many biological control studies.Systems Integration: The procedures involved in combining separately developed modules, components, or subsystems so that they work together as a complete system. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Benzylisoquinolines: ISOQUINOLINES with a benzyl substituent.

Viscoelastic properties of f-actin, microtubules, f-actin/alpha-actinin, and f-actin/hexokinase determined in microliter volumes with a novel nondestructive method. (1/1046)

A nondestructive method to determine viscoelastic properties of gels and fluids involves an oscillating glass fiber serving as a sensor for the viscosity of the surrounding fluid. Extremely small displacements (typically 1-100 nm) are caused by the glass rod oscillating at its resonance frequency. These displacements are analyzed using a phase-sensitive acoustic microscope. Alterations of the elastic modulus of a fluid or gel change the propagation speed of a longitudinal acoustic wave. The system allows to study quantities as small as 10 microliters with temporal resolution >1 Hz. For 2-100 microM f-actin gels a final viscosity of 1.3-9.4 mPa s and a final elastic modulus of 2.229-2.254 GPa (corresponding to 1493-1501 m/s sound velocity) have been determined. For 10- to 100-microM microtubule gels (native, without stabilization by taxol), a final viscosity of 1.5-124 mPa s and a final elastic modulus of 2.288-2. 547 GPa (approximately 1513-1596 m/s) have been determined. During polymerization the sound velocity in low-concentration actin solutions increased up to +1.3 m/s (approximately 1.69 kPa) and decreased up to -7 m/s (approximately 49 kPa) at high actin concentrations. On polymerization of tubulin a concentration-dependent decrease of sound velocity was observed, too (+48 to -12 m/s approximately 2.3-0.1 MPa, for 10- to 100-microM tubulin). This decrease was interpreted by a nematic phase transition of the actin filaments and microtubules with increasing concentration. 2 mM ATP (when compared to 0.2 mM ATP) increased polymerization rate, final viscosity and elastic modulus of f-actin (17 microM). The actin-binding glycolytic enzyme hexokinase also accelerated the polymerization rate and final viscosity but elastic modulus (2.26 GPa) was less than for f-actin polymerized in presence of 0.2 mM ATP (2.28 GPa).  (+info)

What is distinct about infants' "colic" cries? (2/1046)

AIMS: To investigate (1) whether colic cries are acoustically distinct from pre-feed "hunger" cries; (2) the role of the acoustic properties of these cries versus their other properties in accounting for parents' concerns about colic. DESIGN: From a community sample, infants were selected who met Wessel colic criteria for amounts of crying and whose mothers identified colic bouts. Using acoustic analyses, the most intense segments of nine colic bouts were compared with matched segments from pre-feed cries presumed to reflect hunger. RESULTS: The colic cries did not have a higher pitch or proportion of dysphonation than the pre-feed cries. They did contain more frequent shorter utterances, but these resembled normal cries investigated in other studies. There is no evidence that colic cries have distinct acoustic features that are reproducible across samples and studies, which identify a discrete clinical condition, and which are identified accurately by parents. CONCLUSIONS: The most reliable finding is that colic cries convey diffuse acoustic and audible information that a baby is highly aroused or distressed. Non-acoustic features, including the prolonged, hard to soothe, and unexplained nature of the cries may be specific to colic cries and more important for parents. These properties might reflect temperament-like dispositions.  (+info)

Voice-controlled robotic arm in laparoscopic surgery. (3/1046)

AIM: To report on our experience with a voice-directed robotic arm for scope management in different procedures for "solo-surgery" and in complex laparoscopic operations. METHODS: A chip card with orders for the robotic arm is individually manufactured for every user. A surgeon gives order through a microphone and the optic field is thus under direct command of the surgeon. RESULTS: We analyzed 200 cases of laparoscopic procedures (gallbladder, stomach, colon, and hernia repair) done with the robotic arm. In each procedure the robotic arm worked precisely; voice understanding was exact and functioned flawlessly. A hundred "solo-surgery" operations were performed by a single surgeon. Another 96 complex videoscopic procedures were performed by a surgeon and one assistant. In comparison to other surgical procedures, operative time was not prolonged, and the number of used ports remained unchanged. CONCLUSION: Using the robotic arm in some procedures abolishes the need for assist ance. Further benefit accrued by the use of robotic assistance includes greater stability of view, less inadvertent smearing of the lens, and the absence of fatigue. The robotic arm can be used successfully in every operating theater by all surgeons using laparoscopy.  (+info)

Cochlear function: hearing in the fast lane. (4/1046)

The cochlea amplifies sound over a wide range of frequencies. Outer hair cells have been thought to play a mechanical part in this amplification, but it has been unclear whether they act rapidly enough. Recent work suggests that outer hair cells can indeed work at frequencies that cover the auditory range.  (+info)

Advances in photoacoustic noninvasive glucose testing. (5/1046)

We report here on in vitro and in vivo experiments that are intended to explore the feasibility of photoacoustic spectroscopy as a tool for the noninvasive measurement of blood glucose. The in vivo results from oral glucose tests on eight subjects showed good correlation with clinical measurements but indicated that physiological factors and person-to-person variability are important. In vitro measurements showed that the sensitivity of the glucose measurement is unaffected by the presence of common blood analytes but that there can be substantial shifts in baseline values. The results indicate the need for spectroscopic data to develop algorithms for the detection of glucose in the presence of other analytes.  (+info)

Mosquito hearing: sound-induced antennal vibrations in male and female Aedes aegypti. (6/1046)

Male mosquitoes are attracted by the flight sounds of conspecific females. In males only, the antennal flagellum bears a large number of long hairs and is therefore said to be plumose. As early as 1855, it was proposed that this remarkable antennal anatomy served as a sound-receiving structure. In the present study, the sound-induced vibrations of the antennal flagellum in male and female Aedes aegypti were compared, and the functional significance of the flagellar hairs for audition was examined. In both males and females, the antennae are resonantly tuned mechanical systems that move as simple forced damped harmonic oscillators when acoustically stimulated. The best frequency of the female antenna is around 230 Hz; that of the male is around 380 Hz, which corresponds approximately to the fundamental frequency of female flight sounds. The antennal hairs of males are resonantly tuned to frequencies between approximately 2600 and 3100 Hz and are therefore stiffly coupled to, and move together with, the flagellar shaft when stimulated at biologically relevant frequencies around 380 Hz. Because of this stiff coupling, forces acting on the hairs can be transmitted to the shaft and thus to the auditory sensory organ at the base of the flagellum, a process that is proposed to improve acoustic sensitivity. Indeed, the mechanical sensitivity of the male antenna not only exceeds the sensitivity of the female antenna but also those of all other arthropod movement receivers studied so far.  (+info)

Experience-dependent modification of ultrasound auditory processing in a cricket escape response. (7/1046)

The ultrasound acoustic startle response (ASR) of crickets (Teleogryllus oceanicus) is a defense against echolocating bats. The ASR to a test pulse can be habituated by a train of ultrasound prepulses. We found that this conditioning paradigm modified both the gain and the lateral direction of the startle response. Habituation reduced the slope of the intensity/response relationship but did not alter stimulus threshold, so habituation extended the dynamic range of the ASR to higher stimulus intensities. Prepulses from the side (90 degrees or 270 degrees azimuth) had a priming effect upon the lateral direction of the ASR, increasing the likelihood that test pulses from the front (between -22 degrees and +22 degrees ) would evoke responses towards the same side as prepulse-induced responses. The plasticity revealed by these experiments could alter the efficacy of the ASR as an escape response and might indicate experience-dependent modification of auditory perception. We also examined stimulus control of habituation by prepulse intensity or direction. Only suprathreshold prepulses induced habituation. Prepulses from one side habituated the responses to test pulses from either the ipsilateral or contralateral side, but habituation was strongest for the prepulse-ipsilateral side. We suggest that habituation of the ASR occurs in the brain, after the point in the pathway where the threshold is mediated, and that directional priming results from a second process of plasticity distinct from that underlying habituation. These inferences bring us a step closer to identifying the neural substrates of plasticity in the ASR pathway.  (+info)

Vocal tract length and acoustics of vocalization in the domestic dog (Canis familiaris). (8/1046)

The physical nature of the vocal tract results in the production of formants during vocalisation. In some animals (including humans), receivers can derive information (such as body size) about sender characteristics on the basis of formant characteristics. Domestication and selective breeding have resulted in a high variability in head size and shape in the dog (Canis familiaris), suggesting that there might be large differences in the vocal tract length, which could cause formant behaviour to affect interbreed communication. Lateral radiographs were made of dogs from several breeds ranging in size from a Yorkshire terrier (2.5 kg) to a German shepherd (50 kg) and were used to measure vocal tract length. In addition, we recorded an acoustic signal (growling) from some dogs. Significant correlations were found between vocal tract length, body mass and formant dispersion, suggesting that formant dispersion can deliver information about the body size of the vocalizer. Because of the low correlation between vocal tract length and the first formant, we predict a non-uniform vocal tract shape.  (+info)

The current study demonstrates that MCA, determined by acoustic pharyngometry, can significantly differentiate between those with mild/no-OSA versus moderate-to-severe OSA. When analyzed alongside other variables such as gender, age, and neck circumference, acoustic pharyngometry was the only independent predictor of detecting the absence of moderate-to-severe OSA. This easily obtained measurement thus has potential utility as a component in a diagnostic algorithm for OSA. With healthcare reform, sleep testing may become less readily available, making decisions to prioritize testing in certain patients important.. Acoustic pharyngometry may also be a useful objective tool in occupational health clinics. The population in certain environments may minimize subjective symptoms in sleep questionnaires, leading to the need for simple and cost-effective tools for objective assessments. In conjunction with basic anthropometric characteristics, pharyngometry can help objectively determine those at high ...
Looking for average acoustic output? Find out information about average acoustic output. Vibratory energy output of a transducer measured by a radiation pressure balance; expressed in terms of watts per unit area of the transducer face Explanation of average acoustic output
A non-destructive and novel in situ acoustic sensor approach based on the sound absorption spectra was developed for identifying and classifying different seed types. The absorption coefficient spectra were determined by using the impedance tube measurement method. Subsequently, a multivariate statistical analysis, i.e., principal component analysis (PCA), was performed as a way to generate a classification of the seeds based on the soft independent modelling of class analogy (SIMCA) method. The results show that the sound absorption coefficient spectra of different seed types present characteristic patterns which are highly dependent on seed size and shape. In general, seed particle size and sphericity were inversely related with the absorption coefficient. PCA presented reliable grouping capabilities within the diverse seed types, since the 95% of the total spectral variance was described by the first two principal components. Furthermore, the SIMCA classification model based on the absorption spectra
TY - GEN. T1 - Immobilization of Antibodies and Proteins for the Application in Acoustic Sensors (translated title). T2 - Diploma Thesis, Universität Heidelberg. AU - Schwarz, A. AU - Ros, Alexandra. N1 - Type: Thesis. PY - 1995. Y1 - 1995. M3 - Other contribution. ER - ...
Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published ...
Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published ...
Purpose: To measure the acoustic signal generated by a pulsed proton spill from a hospital-based clinical cyclotron. Methods: An electronic function generator modulated the IBA C230 isochronous cyclotron to create a pulsed proton beam. The acoustic emissions generated by the proton beam were measured in water using a hydrophone. The acoustic measurements were repeated with increasing proton current and increasing distance between detector and beam. Results: The cyclotron generated proton spills with rise times of 18 μs and a maximum measured instantaneous proton current of 790 nA. Acoustic emissions generated by the proton energy deposition were measured to be on the order of mPa. The origin of the acoustic wave was identified as the proton beam based on the correlation between acoustic emission arrival time and distance between the hydrophone and proton beam. The acoustic frequency spectrum peaked at 10 kHz, and the acoustic pressure amplitude increased monotonically with increasing proton ...
Examples of calculating a minimum pipe wall to determine a pipe wall failure probability are disclosed. In one example implementation according to aspects of the present disclosure, a first acoustical sensor is connected to a pipe a distance from a second acoustical sensor connected to the pipe. A computing system is communicatively coupleable to the first and second acoustical sensors. The computing system calculates an average maximum pit depth value of a plurality of pits in an outer surface of a pipe wall of the pipe from a known initial pipe wall thickness value and an average present pipe wall thickness value. The computing system also calculates a minimum present pipe wall thickness by applying a statistical technique to the calculated average maximum pit depth value. The computing system determines a pipe wall failure probability based at least in part on the minimum present pipe wall thickness value.
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AMS - Acoustic Measurement System. Looking for abbreviations of AMS? It is Acoustic Measurement System. Acoustic Measurement System listed as AMS
Disclosed is a sonic well tool for performing acoustic investigations of subsurface geological formations penetrated by a borehole. The well tool generally includes a longitudinally extending body for positioning in said borehole. The tool also includes a transmitter supported by the body for transmitting acoustic energy, and a receiver supported by the body for receiving acoustic energy. Finally, the tool includes an acoustic attenuation section positioned on the body between the transmitter and the receiver. This section includes one or more cavities defined by the body, inertial mass members positioned inside the cavities in a suitable manner to form a gap between the wall of the cavity and the inertial mass members, and an acoustical attenuation fluid in the gap. The method for attenuating sonic waves generally includes transmitting a sonic wave from the transmitter to the tool, passing the sonic wave through the acoustic attenuation section, and receiving attenuated wave at the receivers.
Testing for ovarian cancer or the presence of a particular chemical could be almost as simple as distinguishing an F sharp from a B flat, thanks to a new microscopic acoustic device that has been dramatically improved by scientists at the U.S. Department of Energys (DOE) Argonne National Laboratory.. The device, known as a surface acoustic wave (SAW) sensor, detects frequency changes in waves that propagate through its crystalline structure. This makes it ideal for detecting the presence of chemicals or biomarkers present in a liquid or gas. For example, it can detect cancer proteins attached to a receptor on the sensor surface.. The initial wave is created by a physical phenomenon known as the piezoelectric effect, in which an initial electric signal is converted into a mechanical displacement. This displacement takes the form of a wave transmitted through the crystal.. In the SAW sensor, the signal travels like a seismic wave from the input transducer through the material to an output ...
Sensing an incoming signal is typically associated with absorbing a portion of its energy, inherently perturbing the measurement and creating reflections and shadows. Here, in contrast, we demonstrate a non-invasive, shadow-free, invisible sensor for airborne sound waves at audible frequencies, which fully absorbs the impinging signal, without at the same time perturbing its own measurement or creating a shadow. This unique sensing device is based on the unusual scattering properties of a parity-time (PT) symmetric metamaterial device formed by a pair of electro-acoustic resonators loaded with suitably tailored non-Foster electrical circuits, constituting the acoustic equivalent of a coherent perfect absorber coupled to a coherent laser. Beyond the specific application to non-invasive sensing, our work broadly demonstrates the unique relevance of PT-symmetric metamaterials for acoustics, loss compensation and extraordinary wave manipulation.. ...
This unit introduces the fundamental concepts and issues of audio and architectural acoustics, with an emphasis on theory. The unit introduces topics such as: basic acoustical concepts, quantities and units; principles of sound radiation and propagation; sound absorption and room acoustics; psychological acoustics; noise measurement and specification; speech intelligibility; and principles and specification of airborne sound insulation. Acoustics theory involves mathematics, and this unit aims to provide knowledge and skills so that such theory can be applied, with the help of spreadsheets and computer programs. Teaching is supported by demonstrations and tutorials. By completing this unit students will be able to understand acoustical terminology, and perform calculations and analysis applicable to sound in the environment, in buildings, and in audio contexts. They will have the ability to critically assess claims of acoustical performance. This unit provides the theoretical foundation for ...
True Acoustics is Complete, Full-Bandwidth Acoustics. No Limitations, No Filters, No EQ. It means designing for and addressing all energy of any kind or frequency which can be perceived by the human ear and the human auditory system: brian, nerves, cochlea, eardrum, earcanal, pinna…... True Acoustics means we can hear greater levels of Clarity, more life-like imagery, increased subtlety of micro-dynamics and finer resolution of detail than ever before. Our sense of hearing has evolved physiologically and cognitively to a level previous generations were unable to achieve. Evolution is systemic, thankfully.. True Acoustics means our biological mechanisms and the electronic world that creates sound have both evolved to new levels of performance, making everything weve done for 100 years antiquated. While this sounds dramatic and shocking, its quite normal for any field of science or for that matter, much of the creative arts and most definitely pop culture. Things change, we evolve and adapt. ...
Celebrating the signed agreement on 4/1/2016. During the next three months, Daly-Standlee & Associates and Acoustics By Design are rebranding to reflect their merger and expanded services, while continuing operations and serving clients with the same staff from the same locations. The combination of Daly-Standlee & Associates and Acoustics By Design professionals provides a deeper portfolio of services and expertise for clients.. Both offices offer a broad range of acoustical consulting services. The Grand Rapids office adds more extensive audio, video, theatrical lighting, and technical systems expertise to the Portland offices service portfolio. The addition of the Portland office now broadens Acoustics By Designs expertise and experience in the environmental noise and vibration arena. Kerrie G. Standlee, President of Daly-Standlee & Associates, says, "The merger with Acoustics By Design provides a nice complement of services for our clients. We will be maintaining our strong presence in ...
EPSRC-sponsored UK Acoustics Network Launch Event is scheduled to take place on the 27th of November 2017 in the Royal Society in London. It is free to register and to attend. We welcome delegates from industry, consultancies, government bodies and academia to participate in and contribute to the formation and future operation of the new Acoustics Network. We particular encourage PhD students and early career staff with interest in acoustics to register and attend this event. This Launch Event will help the wider coordination of acoustics-related research to enable better communication with industry and multiple avenues of research and innovation. This is important to ensure that the quality of the critical mass of the acoustics-related research in the UK continues to stay internationally leading in the foreseeable future.. The UK Acoustics Network (http://gow.epsrc.ac.uk/NGBOViewGrant.aspx?GrantRef=EP/R005001/1) pursues two main aims: (i) transfer new experimental techniques, models and ...
Acoustic output power is adaptively regulated in medical diagnostic ultrasound imaging. Given transmit settings, the acoustic power and/or another setting may be altered to avoid violating a limit set
In Australia, proponents of seismic surveys and other operations emitting underwater noise have to prepare an Environmental Plan (EP) for approval by the regulator before operations can commence. In support of the EP, large amounts of data are often collected, such as baseline data on the marine soundscape, the physical and biological environment, operational noise characteristics etc. More data (on underwater noise, animal abundance and behaviour etc.) is sometimes collected during operations as part of monitoring and mitigation plans. Australias offshore oil & gas industry has recently come together to share data from bioacoustic environmental impact assessments, yielding charts of baseline soundscape characteristics, catalogues of anthropogenic source characteristics, improved models for sound field prediction, and growing databases of animal behaviour, abundance and migration. This data sharing will ultimately help to streamline the environmental approval process.. ...
Acknowledgments xi. Introduction xiii. 1. Basic Theory 1. Sound Level 2. Sound Level 2. Source Path Receiver 4. Measuring Sound Level 5. Measuring Sound Level 8. Multiple Sound Sources 9. Decibel Addition 10. Sound Propagation 11. Sound Propagation 11. Directivity 12. Sound Frequency 13. Frequency 13. Octave Bands 17. Sound Level Perception and Frequency 19. A?]Weighted Decibels 20. The Special Case of Low?]Frequency Sound 22. 2. Sound Absorption 25. Principles of Absorptive and Reflective Surfaces 26. Absorption Coefficient 27. Types of Sound Absorbers 29. Room Constant 33. Room Average Absorption 33. Noise Reduction Coefficient (NRC) 36. Sound Absorption Data 38. 3. Room Acoustics 57. Room Acoustics Qualities 58. Impulse Response 58. Reverberance 60. Optimal Reverberation Time 65. Clarity 66. Variable Acoustics 70. Reverberation Time Calculation Checklist 74. Room Shaping for Speech and Music 75. Loudness 76. Balconies 80. Sightlines 82. Warmth 83. Concert Hall Types 85. Spatial Impression ...
The physiological mechanisms and acoustic principles underlying sound production in primates are important for analyzing and synthesizing primate vocalizations, for determining the range of calls that are physically producible, and for understanding primate communication in the broader comparative context of what is known about communication in other vertebrates. In this paper we discuss what is known about vocal production in nonhuman primates, relying heavily on models from speech and musical acoustics. We first describe the role of the lungs and larynx in generating the sound source, and then discuss the effects of the supralaryngeal vocal tract in modifying this source. We conclude that more research is needed to resolve several important questions about the acoustics of primate calls, including the nature of the vocal tracts contribution to call production. Nonetheless, enough is known to explore the implications of call acoustics for the evolution of primate communication. In particular, ...
The FDA has given Masimo clearance for its new technology for continuous monitoring of the respiration rate in post operative patients. Masimos Rainbow SE
The course will deliver competence in building acoustics for design of buildings and rooms in buildings so that the acoustic environment fulfills the requirements from community and users. Competence should include understanding the effect of noise loads from internal and external sources and the use of theoretical and empirical methods to design buildings with satisfying sound insulation against noise. The student will also develop skills on room acoustics, i.e. develop understanding of how sound spreads in volumes and what it takes to achieve desired sound quality in rooms by using modeling and analysis. Finally, the course will give knowledge of measuring technique for room acoustics and sound insulation. ...
How is Audio, Acoustique et Ondes (French: Audio, Acoustics and Waves) abbreviated? AAO stands for Audio, Acoustique et Ondes (French: Audio, Acoustics and Waves). AAO is defined as Audio, Acoustique et Ondes (French: Audio, Acoustics and Waves) rarely.
Three years after the opening of Manchester based Odd bar and two years after the launch of sister venue -the award winning Odder bar (best bar north and best bar UK 2007-2008) Managing director Cleo Farman took the decision to completely overhaul the existing sound systems of both venues. This move was driven by her frustration with the existing systems which were prone to failure and did not come with 24 hour support, proving critical when high profile DJs such as Mark Ronson are playing. Blacka Acoustics has completed sound, light and AV solutions for many bars, nightclubs and live music venues throughout Manchester, such as; One Central, Ruby lounge, Jabez Clegg and Lounge 31. Blacka Acoustics Craig West related his initial impressions of the venues: "The specifications were way under the necessary requirements, and the systems had a variety of problems that were never rectified. He added: "The clients main requirements was that support was available; Blacka Acoustics offers venues ...
HEAD acoustics provides noise and vibration, sound quality, and telecommunications voice quality and acoustics testing systems and Aachen head or aachen head binaural recording and playback systems. HEAD acoustics GmbH - Kopfbezogenen Aufnahme- und Wiedergabetechnik, Kommunikations-Messtechnik.
Studio Acoustics then looks at what you can do to improve or enhance the sound of your recording environment. The producers of the series actually constructed a purposed built studio for the making of the program and you get to see the construction process from start to finish including an examination of such things as floating floors, non parallel walls, window double-glazing, lighting, doors, and more.. Although Studio Acoustics takes a thorough look at how sound behaves in a typical recording environment you dont have to be on the point of building your own recording studio to make use of this information. Alan and acoustic team offer a lot of simple practical advice that can be applied to a bedroom or garage recording space.. Finally, Studio Acoustics looks at how best to place your equipment. This is a vitally important subject. Alan shows how monitors should ideally be placed at ear level, in an equilateral triangle between the speakers and yourself. And he tells you why!. Studio ...
Acoustics includes articles relating to the science of sound and how sound works. Check out articles about acoustics on the HowStuffWorks Acoustics Channel.
Eventbrite - Moorgate Acoustics presents Moorgate Acoustics Naim Audio/B&W Streaming Open Day - Saturday, 16 November 2013 at Moorgate Acoustics , Sheffield, South York. Find event and ticket information.
Accessories - Wildlife Acoustics - Wildlife Acoustics Blog - Wildlife Acoustics is the leading provider of bioacoustics monitoring technology for scientists, researchers, and government agencies all over the world. Our customers monitor birds, bats, frogs, insects, fish, whales, elephants, rhinos and many other types of wildlife.
Mike Silverton. [April 1999. Originally appeared in La Folia 1:5.]. Before I learned of Georg Graewes (never George but sometimes Gräwes) Random Acoustics label, Id long enjoyed his participation in a pair of hatART and trio of Music & Arts CDs. But this is not quite accurate. Id already received from the labels American distributor, Cadence / NorthCountry, a Random Acoustics CD, Georg Graewe: Chamber Works 1990-92 [RA 003] without, however, remarking the "Produced by Georg Graewe" notice on the envelopes backside, thus failing to recognize the pianist-composer under an impresarios hat. It wasnt until later that I chanced upon Random Acoustics intriguing catalog.. One doesnt apply intriguing lightly. If one is alert to the art of his time, he cannot but respond to the seamless absorption of a high cultures avant-garde and jazz into yet another field of activity. Avoiding the term "movement," Ill likewise decline from tagging these phenomena Third Stream, as that connects to a ...
The Technical Committee on Signal Processing in Acoustics sponsors Gallery of Acoustics competitions at meetings of the Acoustical Society of America (typically one per year). Its purpose is to enhance ASA meetings by providing a setting for researchers to display their work to all meeting attendees in a forum emphasizing the diversity, interdisciplinary, and artistic nature of acoustics. Entries for the Gallery competition can be either video, still image(s), or a poster. A cash prize is given to the winner(s). Meeting attendees vote on their favorite entries. Below are past winning entries of Gallery competitions. Contact Michael Muhlestein (mimuhle***gmail.com) for more information ...
Coefficient Chart. Room Acoustics. Acoustic Treatment and Design for Recording Studios and Listening Rooms. Acoustics Crash Course 1. Acoustics/Basic Room. A. B
Since 2004, the acoustics groups at NTNU and SINTEF have cooperated as a Gemini Centre called the Acoustics Research Centre. The purpose of this collaboration is building an acoustics community of even greater size and quality than what can be achieved individually. ...
Learn Introduction to Acoustics (Part 2) from Korea Advanced Institute of Science and Technology(KAIST). Learners might have learned the basic concepts of the acoustics from the Introduction to Acoustics (Part 1). Now it is time to apply to the ...
Get the lowest price on the Applied Acoustics Chromaphone 2. Find all your Applied Acoustics software needs at FrontEndAudio.com. Easy and fast downloads on all Applied Acoustics software!
Title:Acoustics 2015 Desc:Proceedings of a meeting held 15 October 2015, Harrogate, England. Series:Proceedings of the Institute of Acoustics Volume 37 Pt.2 ISBN:9781510815384 Pages:312 (1 Vol) Format:Softcover TOC:View Table of Contents Publ:Institute of Acoustics ( IOA ) POD Publ:Curran Associates, Inc. ( May 2016 )
Integration of the microcomputer into acoustic emission instrumentation has brought AE monitoring of fatigue tests into the realm of practicality. On-line processing makes available a selection of software tools, enhancing classical techniques for eliminating the background noise which usually blanked out the desired data. Fatigue tests monitored for acoustic emission were carried out at room temperature on Incoloy 901 material specimens, over a stress-ratio range of −1 ≤ R ≤ .2. Valid AE data were obtained even when the load cycle passed through zero. The AE data permitted specific identification of the various phenomena occurring on the way to final failure. These included initial plasticity, crack nucleation and propagation phases. The AE findings were supported by microscopic examination. Based on the experimental data, a preliminary damage-prediction model was formulated.. ...
Detection of disseminating tumor cells among patients suffering from various types and stages of cancer can function as an early warning system, alerting the physician of the metastatic spread or recurrence of the disease. Early detection of such cells can result in preventative treatment of the disease, while late stage detection can serve as an indicator of the effectiveness of chemotherapeutics. The prognostic value of exposing disseminating tumor cells poses an urgent need for an efficient, accurate screening method for metastatic cells. We propose a system for the detection of metastatic circulating tumor cells based on the thermoelastic properties of melanoma. The method employs photoacoustic excitation coupled with a detection system capable of determining the presence of disseminating cells within the circulatory system in vitro. Detection trials consisting of tissue phantoms and a human melanoma cell line resulted in a detection threshold of the order of ten individual cells, thus ...
In acoustic cavitation the spatial variation and time-dependent nature of the acoustic pressure field, whether it is a standing or propagating wave, together with the presence of other bubbles, particles and boundaries produces gradients and asymmetries in the flow field. This will inevitably lead to non-spherical bubble behaviour, often of short duration, before break-up into smaller bubbles which may act as nuclei for the generation of further bubbles. During the collapse phase, high temperatures and pressures will occur in the gaseous interior of the bubble. This paper concentrates on the non-spherical bubble extension to the earlier spherical-bubble studies for acoustic cavitation by exploiting the techniques that had previously been used to model incompressible hydraulic cavitation phenomena. Bubble behaviour near an oscillating boundary, jet impact and damage to boundaries, bubble interactions, bubble clouds and bubble behaviour near rough surfaces are considered. In many cases the key ...
The goal of this paper is to demonstrate the unique capability of measuring the vector or angular information of propagating acoustic waves using an optical sensor. Acoustic waves were generated using photoacoustic interaction and detected by the probe beam deflection technique. Experiments and simulations were performed to study the interaction of acoustic emissions with an optical sensor in a coupling medium. The simulated results predict the probe beam and wavefront interaction and produced simulated signals that are verified by experiment.. © 2014 Optical Society of America. Full Article , PDF Article ...
is lost from acoustic absorption. (See also Acoustic attenuation for further details on modeling of acoustic attenuation and absorption.) The speed of sound varies as it travels through different materials, and is dependent on the acoustical impedance of the material. However, the sonographic instrument assumes that the acoustic velocity is constant at 1540 m/s. An effect of this assumption is that in a real body with non-uniform tissues, the beam becomes somewhat de-focused and image resolution is reduced. To generate a 2D-image, the ultrasonic beam is swept. A transducer may be swept mechanically by rotating or swinging. Or a 1D phased array transducer may be used to sweep the beam electronically. The received data is processed and used to construct the image. The image is then a 2D representation of the slice into the body. 3D images can be generated by acquiring a series of adjacent 2D images. Commonly a specialised probe that mechanically scans a conventional 2D-image transducer is used. ...
The search for quieter internal combustion engines drives the quest for a better understanding of the acoustic properties of engine duct components. Simulations are an important tool for enhanced understanding; they give insight into the flow-acoustic interaction in components where it is difficult to perform measurements. In this work the acoustics is obtained directly from a compressible Large Eddy Simulation (LES). With this method complex flow phenomena can be captured, as well as sound generation and acoustic scattering.. The aim of the research is enhanced understanding of the acoustics of engine gas exchange components, such as the turbocharger compressor.In order to investigate methods appropriate for such studies, a simple constriction, in the form of an orifice plate, is considered. The flow through this geometry is expected to have several of the important characteristics that generate and scatter sound in more complex components, such as an unsteady shear layer, vortex generation, ...
Fundamentals of Acoustics (M ller, Vorl nder) You will learn about the physical fundamentals of sound in this session. After the definition of sound, a brief excursion into the perception of sound and its dependence on the frequency is performed followed by an introduction to the logarithmic scale and working with sound pressure levels. The physical basis for sound in air and the mathematical formulation of the governing differential equations are illustrated via audiovisual demonstrations. Further topics are principles of sound generation, propagation and interaction with boundaries as well as radiation of sound using models based on volume sources and the specific far-field and near-field characteristics. Application of the theory is illustrated using the example of a violin. Fundamentals of Signals and Systems (Ahrens) This session starts with a recapitulation of the most important principles in the system theory of time-continuous and time-discrete signals such as linearity, time invariance, ...
Building acoustics focuses on sound transmission through walls, doors and floors. Room acoustics focuses on the behaviour of sound inside a room.
In many-body theory, the term Greens function (or Green function) is sometimes used interchangeably with correlation function, but refers specifically to correlators of field operators or creation and annihilation operators. The name comes from the Greens functions used to solve inhomogeneous differential equations, to which they are loosely related. (Specifically, only two-point Greens functions in the case of a non-interacting system are Greens functions in the mathematical sense; the linear operator that they invert is the Hamiltonian operator, which in the non-interacting case is quadratic in the fields.) ...
OUR VISIONFounded in 1979 Boston Acoustics is a world-renowned manufacturer of innovative home entertainment solutions and high performance loudspeakers For over 3 decades Boston Acoustics unwavering commitment to deliver superior and innovative audio solutions of exceptional value has
BNM Acoustics has been in the audio business since 1965. If anyone knows about sound systems, speakers and home theaters, look no further. BNM Acoustics SR-44 is a complete home theater system and much more.. A good movie is nothing without the music that accompanies it. Try watching a movie on mute and try watching an action-packed the movie with a good surround sound system and feel yourself jumping out of your seat and almost being in the movie itself. The features of the model BNM Acoustic SR-44 is as below:. ...
In order to efficiently and effectively address noise problems, it is important to have the right type and combination of technology to deliver the expected level of accuracy for the job at hand, depending on the frequency range or problem complexity. The acoustic simulation solutions cover Acoustic Transfer Vector (ATV), Automatically Matched Layer (AML), aero-acoustics, ray-acoustics, random vibro-acoustics as well as uncoupled to fully coupled acoustic problems. The Statistical Energy Analsysis (SEA) capabilities embedded into the SEA+ product allow to extend the frequency range to high frequencies. A unique capability converts automatically FEM models into SEA models, making it very convenient to analyse the full frequency spectrum.. End-to-end process support. With the best-in-class vibro-acoustic solvers, interfaces to leading CFD and electro-magnetic codes, LMS Virtual.Lab Acoustics is an ideal platform to address the acoustic multidisciplinary problem and optimize the sound performance. ...
Theoretical ultrasonic nonlinear acoustics[edit]. The equations that govern nonlinear acoustics are quite complicated[26][27] ... Experimental ultrasonic nonlinear acoustics[edit]. A chronological summary of the experimental approaches taken to examine ... Berktay, H. O. (1965). "Possible exploitation of nonlinear acoustics in underwater transmitting applications". Journal of Sound ... "Inventor Wins $500,000 Lemelson-MIT Prize for Revolutionizing Acoustics" (Press release). Massachusetts Institute of Technology ...
"Acoustics". Cardiff University. Retrieved 6 January 2011. [permanent dead link] Blauert, Jens; Xiang, Ning (1 October 2009). ... Since 1974 he has been an important figure in electrical engineering and acoustics at the Ruhr-Universität Bochum, where he ... Jens Peter Blauert (born 20 June 1938 in Hamburg) is a German scientist specializing in psycho-acoustics and an emeritus ... He served as chairman of the ITG committee on electroacoustics, cofounder and chairman of the European Acoustics Association, ...
Acoustics. This system consists of one or more transponders placed on the seabed and a transducer placed in the ship's hull. ...
Acoustics. Optics. Heat. Meteorology. Cosmology. Chemnitz, Germany. p 446. Publications W. Stern, Autobiographical Essay in A ...
461-475 (1925). (1954) Beranek, Leo L., Acoustics, New York: McGraw-Hill, ISBN 0-88318-494-X Briggs, Gilbert, Loudspeakers, ... J., Mellow, Tim (2012). Acoustics. Academic Press. ISBN 9780123914217. OCLC 811400350. [1] ESP article about compliance scaling ... Acoustics. NY: McGraw-Hill. Thiele, A. Neville (1961). "Loudspeakers in Vented Boxes," Proceedings of the Institute of Radio ... Beranek of the Massachusetts Institute of Technology published Acoustics, a book summarizing and extending the electroacoustics ...
... acoustics; viscosity and internal friction of solids; electrets; electrochemistry of oils; radioactive tracers in solutions; ...
Acoustics. Griffin. Handbook of Human Vibration. Harris. Shock and Vibration Handbook. Thomson. Theory of Vibration with ... Acoustic quieting Acoustical measurements and instrumentation Acoustics Engine balance Noise control Noise health effects Noise ... Structural Dynamics Testing/Modal Analysis Animating Vibration Test Results Some NVH application examples from HEAD acoustics ...
... acoustics; infra-red radiation; photography and assessment techniques. It moved to Teddington, southwest of London, so that it ...
"Acoustics". Grove Music Online. Oxford University Press. "Resonance, reverberation and absorption" section. Retrieved 17 August ... The property of sympathetic vibration is encountered in its direct form in room acoustics in the rattling of window panes, ...
Acoustics. Sound 251-338.5.........Heat 310.15-319.......Thermodynamics 350-467...........Optics. Light 450-467.......... ...
Acoustics. London, UK: Blackie & Sons. Atomic Energy: Notes on the Course of Negotiations for Its Control (1950) Posthumous ... Planning for good acoustics (1931); coauthored with Hope Bagenal The Cavendish Laboratory (1931); 1946 Science Wisdom and War: ... was a Scottish physicist who worked as researcher and university lecturer in the field of acoustics and experimental physics. ...
Everest, F. (2001). The Master Handbook of Acoustics. New York: McGraw-Hill. pp. 262-263. ISBN 0-07-136097-2.. ... Altitude variation and implications for atmospheric acoustics[edit]. Density and pressure decrease smoothly with altitude, but ... 2000), Fundamentals of acoustics, 4th Ed., John Wiley and sons Inc., New York, USA. ...
Acoustics and social rank in host hierarchy[edit]. Once P. rebeli larvae infiltrate the host's brood, they ascend to the ... social ranks are partially determined by sound acoustics.[17] Therefore, once the P. rebeli begin to mimic the sound of the ... Maculinea butterflies achieve elevated status in host societies by mimicking the acoustics of queen ants". Communicative & ... highest social ranks of the host's hierarchy by using acoustics to achieve social acceptance from worker M. schencki ants. P. ...
L-Acoustics Line Source Products Page; L-Acoustics Technical bulletin Ground support tower Archived 2010-01-28 at the Wayback ... However, it was L-Acoustics' V-DOSC line array in the mid-1990s that would show the concert world that a more level and ... Examples include L-Acoustics SOUNDVISION, Adamson Shooter, Electro-Voice LAPS (Line Array Prediction Software), D&B ... "Products - Soundvision presentation". L-Acoustics. Retrieved 2017-03-25. Adamson Shooter software Archived 2009-09-27 at the ...
Harold C. Schonberg (December 9, 1962). "ACOUSTICS AGAIN; Philharmonic Hall Has Some Defects, But Also Has a Poetry of Its Own ...
Legend Acoustics. 2004. Archived from the original on 24 January 2014. "Linn Keltik & Keltik Aktiv Owners Manual" (PDF). Linn ...
Well known for its acoustics, the hall has seen concerts by Simon Rattle and the Berlin Philharmonic and Riccardo Muti and the ... "Muza Kawasaki Symphony Hall". Nagata Acoustics. Retrieved 6 March 2012. (in English) Muza Kawasaki Symphony Hall. ...
ISBN 0-387-23472-1. Charles Lightfoot Barnes (1897). Practical Acoustics. Macmillan. p. 160. Benjamin Martin (1781). The Young ...
Random Acoustics. Mario Schiano (1973). On the Waiting List. Atavistic. Lol Coxhill (1978). Moot. Ictus. Trovesi Damiani ...
"Citation: Roland Dobbs: Honorary Fellow of the Institute of Acoustics". Acoustics Bulletin. Institute of Acoustics. 33 (1): 15 ... Edwin) Roland Dobbs (2 December 1924 - 24 October 2016) was a British physicist, best known for his work in physical acoustics ...
"Acoustics Research". Retrieved 25 November 2013. "Large Anechoic Chamber (LAC)". Retrieved 25 November 2013. "ANFTF System". ... Acoustics, Information Sciences and Technology The Applied Research Laboratory operates a number of locations and off-site ... ARL operates the Structural Acoustics Laboratory which houses an array of tanks including an Acoustic Reverberant Tank and an ...
There are a large number of technologies used in modern anti-submarine warfare: Sensors Acoustics particularly in active and ... "SOund SUrveillance System (SOSUS): General Information". PMEL Acoustics. National Oceanic & Atmospheric Administration (NOAA). ...
Acoustics Today. 6 (3). CS1 maint: Uses authors parameter (link) Alleyne, Richard (2 August 2010). "Rock 'n' roll best sung in ...
There is more reverb when the source generates a sound in the space Architectural acoustics Room acoustics Knudsen, V. & Harris ... CS1 maint: Multiple names: authors list (link) Long, M. (2006). Architectural Acoustics. In Levy, M. & Stern, R. (ed.) General ... The height of the cathedral does not only show religious pride, but also improves the acoustics. ... CS1 maint: Multiple names: authors list (link) Cavanaugh, W. & Tocci, G. & Wilkes, J. (2010). Architectural Acoustics ...
In 2011 she was awarded the Science Writing Award for Professionals in Acoustics by the Acoustical Society of America. The ... PDF Document Deutsch, D. (2010). "The paradox of pitch circularity". Acoustics Today. July: 8-15. doi:10.1121/1.3488670. PDF ... Weblink[permanent dead link] PDF Document Deutsch, D. (2006). "The Enigma of Absolute Pitch". Acoustics Today. 2 (4): 11-18. ...
Ocean Acoustics Library Ultrasonics and Underwater Acoustics Monitoring the global ocean through underwater acoustics ASA ... Underwater acoustics is sometimes known as hydroacoustics. The field of underwater acoustics is closely related to a number of ... P. Lysanov, Fundamentals of Ocean Acoustics, 3rd edition (Springer-Verlag, NY, 2003). A. D. Pierce, Acoustics: An Introduction ... Underwater acoustics is the study of the propagation of sound in water and the interaction of the mechanical waves that ...
acetate ACOUSTICS LETTERS Acustica adiabatic adiabatic compressibility Admiralty Research Establishment amplitude aqueous ... books.google.comhttps://books.google.com/books/about/Acoustics_Letters.html?id=SxHyAAAAMAAJ&utm_source=gb-gplus-shareAcoustics ... 0 Reviewshttps://books.google.com/books/about/Acoustics_Letters.html?id=SxHyAAAAMAAJ ...
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Underwater acoustics, Architectural acoustics or Structural acoustics. Others areas of work are listed under subdisciplines ... "Acoustics and You (A Career in Acoustics?)". Retrieved 21 May 2013. Krylov, V.V. (Ed.) (2001). Noise and Vibration from High- ... Fundamentals of Acoustics, fourth edition (Wiley). Mason W.P., Thurston R.N. Physical Acoustics (1981) Philip M. Morse and K. ... The Foundations of Acoustics: Basic Mathematics and Basic Acoustics (Springer). Stephens, R. W. B.; Bate, A. E. (1966). ...
Acoustics, the science concerned with the production, control, transmission, reception, and effects of sound. The term is ... theatre: Acoustics. Much recent study has centred on the problem of acoustics in the ancient theatre. The difficulty in ... building construction: Acoustics. Long-span auditoriums involve considerations in acoustics: audiences wish to hear speakers ... More About Acoustics. 12 references found in Britannica articles. Assorted References. *percussion instruments* In percussion ...
... acoustics: Reverberation time: …a particular use is its reverberation time, and he provided a scientific basis by which the ... In acoustics: Reverberation time. …a particular use is its reverberation time, and he provided a scientific basis by which the ... In construction: Acoustics. …performance for auditoriums is the reverberation time, which is directly proportional to the ...
... acoustics (sco); Akustik (lb); akustikk (nn); akustikk (nb); Akustika (az); دەنگناسی (ckb); acoustics (en); علم الصوت (ar); ... English: Acoustics is the study of waves, in particular sound, which are mechanical vibrations in gases, liquids and solids. ... Mediji u kategoriji »Acoustics«. Prikazano je 200 datoteka u ovoj kategoriji, od njih ukupno 213. ... acústica (es); Akustik (ms); acoustics (en-gb); Акустика (bg); acustică (ro); صدائیات (ur); Akustika (sk); акустика (uk); ...
Summary of room acoustics. *If music or speech is percived in some place, room acoustics should be considered. *feeling of the ... wave acoustics, standing waves, modes *resonance boost of loudness *Wavelength too short for wave acoustics and too long to be ... Room acoustics. Table of Contents. Audio spectrum Modes Echo HAAS effect Sound field in time domain Reverberation Reverberation ... Summary of room acoustics *Sound radiated by a point source is reflected by the rigid wall *Image sound sources due to ...
Check out articles about acoustics on the HowStuffWorks Acoustics Channel. ... Acoustics includes articles relating to the science of sound and how sound works. ... Acoustics. Acoustics is the science of sound as it reacts to air, water and solid materials. Learn about topics from radar to ... Acoustics. Acoustics, the branch of physics that deals with the production, transmission, properties, and effects of sound ...
Acoustic board Acoustic space Acoustics Anechoic room Architectural acoustics Digital room correction Noise control ... Room acoustics describes how sound behaves in an enclosed space. The way that sound behaves in a room can be broken up into ... "Acoustics", Leo Beranek, chapter 13, McGraw Hill Books, 1954 "Clases de Acústica", Oscar Bonello, Edited CEI, Facultad de ... several acoustics materials can be used as described in several books. A valuable simplification of the task was proposed by ...
Given the importance of acoustics to modern science, industry, and human welfare Springer presents this series of scientific ... Acoustics is a practical science, and modern acoustics is so tightly coupled to digital signal processing that the two fields ... In the popular mind, the term "acoustics" refers to the properties of a room or other environment - the acoustics of a room are ... Modern Acoustics and Signal Processing. Editor-in-chief: Hartmann, William M.. Series Editors: Ando, Y., Au, W.W.L., Baggeroer ...
A.D. Pierce, Acoustics, McGraw-Hill 1981. *D.G. Crighton, A.P. Dowling, J.E. Ffowcs Williams, et al, Modern Methods in ...
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Aero-acoustics. Aero-acoustics, is concerned with noise generated due to noise sources like turbulent flow within a fluid and ... Vibro-acoustics. In order to study the interaction of structural vibration with the adjacent fluid, it is necessary to model ... Acoustics. Analyze and improve acoustic performance of your products early in product development cycle to gain competitive ... You can also combine this capability with vibro-acoustics giving you the ability to model complex aero-vibro-acoustic problems. ...
The acoustics of a space can have a real impact on the sounds you create and capture. Acoustics and Psychoacoustics, Fifth ... Edition provides supportive tools and exercises to help … - Selection from Acoustics and Psychoacoustics, 5th Edition [Book] ... The acoustics of a space can have a real impact on the sounds you create and capture. Acoustics and Psychoacoustics, Fifth ... Get Acoustics and Psychoacoustics, 5th Edition now with OReilly online learning.. OReilly members experience live online ...
Architectural Acoustics Illustrated translates the quantitative and qualitative content of acoustics into the graphic language ... All design professionals need to have a fundamental understanding of acoustics, and Architectural Acoustics Illustrated is a ... Architectural Acoustics Illustrated helps designers solve most acoustical problems in advance, by enabling readers to:. * ... Architectural acoustics is more than just concert halls - it may determine building placement, division of interior space, ...
Leonardo Cardoso: State Acoustics in Brazil Community Leonardo Cardoso: "State Acoustics in Brazil"--------------In this talk ... plas.princeton.edu/events/leonardo-cardoso-state-acoustics-brazil ...
Boston Acoustics, which supplies the factory-installed stereo systems for vehicles like the Chrysler 300, Dodge Magnum and ... Boston Acoustics, which supplies the factory-installed stereo systems for vehicles like the Chrysler 300, Dodge Magnum and ...
Physics 4060- Acoustics Laboratory. This lab is designed to make sure the student has some exposure to the basic classes of ...
PRNewswire/ -- Oceanology International 2012 -- Wildlife Acoustics, the leading supplier of acoustic monitoring systems around ... About Wildlife Acoustics, Inc.. Wildlife Acoustics, Inc., a privately held Massachusetts corporation, is the leading provider ... President and CEO of Wildlife Acoustics. The SM2M-HiSPL is a great addition to our product portfolio. Wildlife Acoustics ... Wildlife Acoustics Announces the Song Meter SM2M-HiSPL Bringing affordable, reliable solutions to the Passive Marine Monitoring ...
Re: Room Acoustics It would seem to be more of a different issue that you simply feel might be attributable to room acoustics. ... Re: Room Acoustics What was that, I cant hear you. An old friend of mine always said cant means wont I wonder how he hears ... Re: Room Acoustics Different rooms can have a huge impact on what we hear coming out of the same instrument.. I dont think my ... Re: Room Acoustics I find that a mandolin doesn`t sound as good when being played by its self as it does when being played with ...
... 是 Actran 产品系列的基础模块。它既是一个独立的工具,也是 Actran VibroAcoustics、Actran AeroAcoustics 及 Actran TM 之类高级模块的基础。该模块的一部分可靠、强大 ... Acoustics TechWeek 2020 - Day 5 Wrap-Up and Introduction to Actran JumpStart ... Time-Domain Solutions for
Acoustics Lounge Vol. 06. Discover more music, concerts, videos, and pictures with the largest catalogue online at Last.fm. ...
All about Acoustics: An Introduction by Heinrich Kuttruff. LibraryThing is a cataloging and social networking site for ... The concepts of acoustics are exposed and applied in:. room acoustics sound insulation in buildings noise control underwater ... Scientifically thorough, but with mathematics kept to a minimum, Acoustics is the perfect introduction to acoustics for ... This definitive textbook provides students with a comprehensive introduction to acoustics. Beginning with the basic physical ...
  • Other advances in underwater acoustics included the development of acoustic mines. (wikipedia.org)
  • Acoustics Artificial omni-directional sound source in an anechoic acoustic chamber. (britannica.com)
  • You can also combine this capability with vibro-acoustics giving you the ability to model complex aero-vibro-acoustic problems. (mscsoftware.com)
  • This new edition is fully revised to reflect new psychoacoustic information related to timbre and temporal perception, including an updated discussion of vocal fold vibration principles, samples of recent acoustic treatments, and a description of variable acoustics in spaces, as well as coverage of the environment's effect on production listening, sonification, and other topics. (oreilly.com)
  • LONDON , March 13, 2012 /PRNewswire/ -- Oceanology International 2012 -- Wildlife Acoustics, the leading supplier of acoustic monitoring systems around the world, announces a new version of the Song Meter SM2M marine submersible recorder suitable for recording and quantifying high sound pressure levels (SPL) such as those produced by pile drivers and air guns. (prnewswire.com)
  • Wildlife Acoustics, Inc., a privately held Massachusetts corporation, is the leading provider of bio-acoustic monitoring technology for scientists, researchers, government agencies and environmental consulting firms worldwide since 2003. (prnewswire.com)
  • The building acoustics lab in Oslo can be used both for R&D projects and for full scale measurements of acoustic properties of building components. (sintef.no)
  • Absorber Tiles Set of 16, Acoustic foam tiles improve room acoustics absorbing middle and high frequency sound waves, Ideal for recording studio, vocal booth, home cinema, office etc. (thomann.de)
  • Simulate the complete acoustic process including generation by fluid action, transmission through a solid and propagation on the other side with Deterministic Aero Vibro Acoustics (DAVA). (ansys.com)
  • For more information see:http://www.bksv.com/Products/analysis-software/acoustics/building-acoustics/room-acoustic-measurement-dirac Measuring room acoustics DIRAC Room Acoustics Software Type 7841 is used for measuring a wide range of room acoustical parameters. (environmental-expert.com)
  • Once acoustic propagation and scattering effects are understood, acoustics can be used to detect biological and geological objects, and to probe oceanographic processes. (whoi.edu)
  • Throughout its lifetime at the forefront of developing acoustic trawl surveys, the focus of ICES Working Group on Fisheries Acoustics, Science, and Technology ( WGFAST ) has shifted from solving the technical challenges of reliable acoustic measurements to the use of acoustics to observe key biological parameters such as biomass indices, behavioural metrics, and acoustic species classification. (ices.dk)
  • In acoustics , a beat is an interference pattern between two sounds of slightly different frequencies , perceived as a periodic variation in volume whose rate is the difference of the two frequencies. (wikipedia.org)
  • The Audiophiles perform at The Village Idiot in Maumee as part of the 11th annual Acoustics for Autism event March 4, 2018. (toledoblade.com)
  • People enjoy the annual Acoustics for Autism event in Maumee, Sunday, March 4, 2018. (toledoblade.com)
  • The Kirby's on the Kids Area Stage during Acoustics for Autism Sunday, March 4, 2018. (toledoblade.com)
  • Beginning with its origins in the study of mechanical vibrations and the radiation of these vibrations through mechanical waves, acoustics has had important applications in almost every area of life. (britannica.com)
  • Acoustics is the study of waves, in particular sound, which are mechanical vibrations in gases, liquids and solids. (wikimedia.org)
  • Acoustics studies the interaction of waves with structures, from the detection of submarines in the sea to the buffeting of spacecraft. (springer.com)
  • Galileo wrote "Waves are produced by the vibrations of a sonorous body, which spread through the air, bringing to the tympanum of the ear a stimulus which the mind interprets as sound", a remarkable statement that points to the beginnings of physiological and psychological acoustics. (wikipedia.org)
  • Since the introduction of the SM2M last year, many customers requested a version for recording high SPL events,' said Ian Agranat , President and CEO of Wildlife Acoustics. (prnewswire.com)
  • Wildlife Acoustics continues to listen to the market and develop product solutions that meet the demands of our diverse customer base and the SM2M-HiSPL is just one example. (prnewswire.com)
  • Wildlife Acoustics' mission is to support efforts in conservation and environmental stewardship. (naaee.org)
  • To that end, Wildlife Acoustics has established a grant program to support bioacoustics research efforts from chiropteran, avian, terrestrial, amphibious and marine wildlife, to everything else in between. (naaee.org)
  • In the nineteenth century the major figures of mathematical acoustics were Helmholtz in Germany, who consolidated the field of physiological acoustics, and Lord Rayleigh in England, who combined the previous knowledge with his own copious contributions to the field in his monumental work The Theory of Sound (1877). (wikipedia.org)
  • Since its launch in 1968, Applied Acoustics has been publishing high quality research papers providing state-of-the-art coverage of research findings for engineers and scientists involved in applications of acoustics in the widest sense. (elsevier.com)
  • Manuscripts that address all fields of applications of acoustics ranging from medicine and NDT to the environment and buildings are welcome. (elsevier.com)
  • In the popular mind, the term "acoustics" refers to the properties of a room or other environment - the acoustics of a room are good or the acoustics are bad. (springer.com)
  • Acoustics and Psychoacoustics , Fifth Edition provides supportive tools and exercises to help you understand how music sounds and behaves in different spaces, whether during a performance or a recording, when planning a control room or listening space, and how it is perceived by performers, listeners, and recording engineers. (oreilly.com)
  • So, my thought is that the different room acoustics profoundly impact the perception of intonation. (mandolincafe.com)
  • Of course, the room acoustics have nothing to do with the 'INTONATION' of a mandolin. (mandolincafe.com)
  • However,as sblock correctly points out,room acoustics won't 'change' the inherent 'tone' of your mandolin,they simply might make is sound better / worse. (mandolincafe.com)
  • It would seem to be more of a different issue that you simply feel might be attributable to room acoustics. (mandolincafe.com)
  • When you're actually playing the instrument itself, you're so close that room acoustics matter very little. (mandolincafe.com)
  • Room acoustics describes how sound behaves in an enclosed space. (wikipedia.org)
  • Throughout this series we hope to educate and illustrate some of the fundamental points of room acoustics. (audioholics.com)
  • The app will use this information to provide suggestions on applicable ISO Series ® Products that can further help your room acoustics. (auralex.com)
  • The dipolar Gradient speakers from Finland being demmed in the SimpliFi suite had an advantage over conventional speakers at the NY Show, in that they better coped with the Waldorf=Astoria's often-problematic room acoustics. (stereophile.com)
  • Room acoustics - this is where the big points in sound quality are made. (diyaudio.com)
  • room acoustics software? (diyaudio.com)
  • By means of this, we make visible some important moments related to acoustics: (1) the resonance of essence, (2) the echo of the otherwise, (3) the resonance of the "mute murmuring" of the il y a , and (4) the "forgotten voices" of a tradition apart from ontology. (jhu.edu)
  • The application of acoustics is present in almost all aspects of modern society with the most obvious being the audio and noise control industries. (wikipedia.org)
  • Acoustics is the science of sound as it reacts to air, water and solid materials. (howstuffworks.com)
  • Given the importance of acoustics to modern science, industry, and human welfare Springer presents this series of scientific literature. (springer.com)
  • With their clear and simple style, Howard and Angus cover both theory and practice by addressing the science of sound engineering and music production, the acoustics of musical instruments, the ways in which we hear musical sounds, the underlying principles of sound processing, and the application of these concepts to music spaces to create professional sound. (oreilly.com)
  • In our day-to-day lives, whether consciously or unconsciously, we are continuously exposed to acoustics - the science of sound - through a wide variety of hearing experiences. (admin.ch)
  • BSCI 9060 Advanced Acoustics , Building Science Master Degree Programs. (bcit.ca)
  • The Q Acoustics' engineers have revisited the structural design of the speaker enclosure with the aim of reducing any vibrations that could adversely affect the sonic performance of the 3020i. (forbes.com)
  • Using P2P™ (Point to Point) bracing technology that Q Acoustics first employed in the company's flagship £4,000 Concept 500 loudspeakers , the revamped design of the 3020i now has more internal support in areas of the cabinet that need stiffening, this includes an extra precision-cut top damping panel to stop vibrations. (forbes.com)
  • Founded in the 1970s, Acoustics First is the owner of many patents and designs and manufactures all of its products in the USA. (hometheaterreview.com)
  • Aero-acoustics, is concerned with noise generated due to noise sources like turbulent flow within a fluid and its propagation within the fluid. (mscsoftware.com)
  • This module builds on the knowledge and understanding of sound fields and their generation and propagation that was built up in ISVR1032 Acoustics I. Those fundamental concepts are explored in greater depth to allow them to be applied to a wide variety of practically important systems, such as ducts, rooms and barriers. (southampton.ac.uk)
  • While several environmental factors, including temperature, lighting, and air quality, are generally recognized to affect workplace performance, research indicates that proper acoustics must also be a top design priority. (buildings.com)
  • Various audio and sound analysis software and equipment, such as ProTools MBox computer audio workstations, 5000W JBL Professional sound system, and Mackie studio monitor and console, facilitate research projects in acoustics, audio, and music. (cooper.edu)
  • We have a range of acoustical testing facilities (some to ISO and ASTM standards) as well as specialized equipment and software programs for scientific research in acoustics. (bcit.ca)
  • If you are interested in learning more about the importance of having good acoustics in building design and construction, or are interested in collaborating or supporting our acoustics research projects, please contact us here . (bcit.ca)
  • Without contesting the primordiality of speech over hearing, listening, and audition, we aim, however, to investigate the purview of these last concepts by linking Levinas's early account of [End Page acoustics with the description available in Otherwise than Being . (jhu.edu)
  • Along this path, acoustics encounters the complex processing in the auditory nervous system, its anatomy, genetics, and physiology - perception and behavior of living things. (springer.com)
  • Unlike the SM2M, which is more suitable for recording biological acoustics, the new SM2M-HiSPL can record very high amplitude sounds without distorting the recording. (prnewswire.com)
  • Beginning with the basic physical ideas, Acoustics balances the fundamentals with engineering aspects, applications and electroacoustics, also covering music, speech and the properties of human hearing. (librarything.com)
  • Firstly, the engineers at Q Acoustics have made the new 3020i cabinets around 25% larger. (forbes.com)