Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
Physical attribute:
frequency |
pitch
higher frequency higher pitch measured in Hz |
|
|
Physical attribute: Amplitude |
Loudness higher the amplitude louder the sound measured in dB |
|
|
Timbre
|
is the tone color or quality of sound. It allows us to distinguish sounds even if they have the same pitch and loudness
|
|
|
A complex wave
|
can be broken down into its component sine waves
|
|
|
Pinna (outside of the ear) |
It reflects sound. Its size and shape selectively enhance 2,000-4000 Hz
|
|
|
Colhear duct |
Electrical potential here is 80 mV more positive than in the other chambers, because a special transport system keeps [K+] high in the endolymph
|
|
|
Basilar membrane |
hair cells here will bend the most |
|
|
Audible range |
20-20,000 Hz |
|
|
How does the nervous system code for loudness/intensity
|
frequency of firing ,
Number of neurons firing |
