NoiseHearing Loss, Noise-InducedNoise, OccupationalSignal-To-Noise RatioAuditory ThresholdEar Protective DevicesAircraftPerceptual MaskingArtifactsAcoustic StimulationSound SpectrographyStochastic ProcessesRailroadsAnion Exchange Protein 1, ErythrocyteAlgorithmsPsychoacousticsAudiometrySpeech PerceptionAudiometry, Pure-ToneAuditory PerceptionSignal Detection, PsychologicalHearingSensory ThresholdsComputer SimulationLoudness PerceptionSpeech IntelligibilityMotor VehiclesAutomobilesAudiometry, SpeechAcousticsModels, Neurological