PSY/CS330 Human Factors
5/1/00
Day 1-
3
The Physical Stimulus for Audition
•
The sound wave is periodic changes in pressure
•
Frequency = cycles/second = Hertz, Hz.
Wavelength
Frequency =
1/Wavelength
Amplitude
or
Intensity
For normal young adults, they hear frequencies from 20 to 20,000 Hz.