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PSY3108 (56)
Lecture

6- Auditory Scene.pdf

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Department
Psychology
Course
PSY3108
Professor
Catherine Plowright
Semester
Winter

Description
Overview of TopicsHearing IIChapter 6 in ChaudhuriPerceptual AspectsIntensityLoudnessFrequencyPitchAuditory Space Perception12Absolute Detection IntensityLoudnessThresholdsThe pressure at which loudness is greater than 0 Loudness is the subjective perceptual quality ie absolute threshold of sound related to pressure or intensityvaries according to HzLoudness also depends on frequency of Max sensitivity at 25 kHz sound among other thingsalso where human speech has most energy34Terminal Fundamental Concept ThresholdPsychometric vs Psychophysical FunctionsDynamic RangePsychometric Function of physical quantitybehaviourShows one thresholdPsychophysical Function Function of two physical quantitiesShows how threshold on one physical quantity varies as a function of the other56LoudnessFour psychometric Two psychophysical functionsfunctionsOther factors affecting loudnessBinaural vs Monaural presentation Threshold is 6 dB lower with two earsspatial integrationDuration of sound Threshold increases below 200 mstemporal integration78
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