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PSYCH 3A03 (56)
Paul Faure (56)
Lecture

Critical Bands.docx

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Department
Psychology
Course
PSYCH 3A03
Professor
Paul Faure
Semester
Fall

Description
thNovember 19 2013 Psych 3A03 Audition Critical BandsPower and Energy Change with DurationProblem signal energy not constant when duration is variedPET EPTMeasuring auditory threshold it is crucial to specify signal duration with changes in signal duration one can keep constant either signal energy or signal power but not bothFor constant power E decreases as T decreasesFor constant energy P increases as T decreasesAuditory System Integrates EnergyProblem signal energy is not constant when duration is variedEPTAuditory system requires finite time period to integrate energy of signalFinite integration timeis expected based on auditory neurophysiologyvaries in CANSWhen signal duration d is less than integration timeof auditory afferent or other neurons in central auditory system
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