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Category > Physics Posted 20 Apr 2017 My Price 14.00

What are the differences between a dead cochlea

(10-11, please provide couple of sentences since they are worth more points)
1. What are the differences between a dead cochlea (linear, passive) and a healthy cochlear
with no damage to hearing (non-linear/compressive, active)?
2. How does the active mechanism work?
3. List and describe (in a few sentences) some of the differences between the Inner Hair
Cells and Outer Hair Cells.
4. Draw the traveling wave envelopes on the basilar membrane that would result playing
two tones, one at 8000 Hz and one at 250 Hz. Label the curves with the appropriate
frequency. (And also label the basal and apical ends of the basilar membrane).
5. Describe at least 5 features of sound that we encode: (Frequency, Intensity, Location,
Loudness?)
6. A signal sampled at 32000 Hz can theoretically encode frequencies up to:
7. When frequencies are too high for the sample rate of the audio encoder, unexpected
signals can be produced. This phenomenon is called: (Aliasing?)
8. A sound with a single peak in the spectrum is called: (Simple Signal?)
9. Air pressure is stabilized in the middle ear via the:
10. Describe how the outer ear naturally works to amplify frequencies within the speech
range.
11. Describe how the middle ear works to effectively and efficiently transmit sound from the
tympanic membrane to the entryway of the cochlea (i.e. stapes footplate).

Answers

SuperTutor
(15)
Status NEW Posted 20 Apr 2017 05:04 AM My Price 14.00

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