NoiseAlgorithmsComputer SimulationNoise, OccupationalHearing Loss, Noise-InducedSignal-To-Noise RatioEar Protective DevicesAuditory ThresholdArtifactsAircraftReproducibility of ResultsPerceptual MaskingAcoustic StimulationSound SpectrographyStochastic ProcessesRailroadsAudiometryPsychoacousticsSpeech PerceptionAudiometry, Pure-ToneTime FactorsAuditory Perception