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Lecture

PSYCO104 Lecture Notes - Arnold Tongue, Basilar Membrane, Outer Ear


Department
Psychology
Course Code
PSYCO104
Professor
Blaine Mullins

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Psychology
Chapter 4: Audition
1

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1. Sound
2
Sound is just the motion of molecules transmitted via compressed airwaves.

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1. Sound
Sound waves are pressure changes in a
medium.
Physical properties: amplitude, frequency
(Hz), complexity.
Perceptual properties: loudness, pitch,
timbre
3
The higher the Frequency the higher the pitch.
Timbre- large complex or simple waves. How we perceive different instruments
playing the same not ie C note on guitar vs piano.
Ave human can hear 20-20 000Hz Muscles vibrate at 25hz- can hear muscles
work
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