Lecture 5

Question 1

How does amplification occur in the cochlea?

Answer 1

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Question 2

How does the cochlear act as a microphone?

Answer 2

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Question 3

What implication does this have on certain frequencies?

Answer 3

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Question 4

What is an inactive microphone? What are the properties? Draw.

Answer 4

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Question 5

What is an active microphone? What are the properties? Draw.

Answer 5

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Question 6

What comes out as a results of the active amplification?

Answer 6

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Question 7

What is distortion? How does it happen?

Answer 7

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Question 8

What kind of amplification/ microphone is the ear?

Answer 8

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Question 9

What are the properties of active amplification? What can the use be? What are the problems? How can this be solved?

Answer 9

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Question 10

What is sensorineural hearing loss? What is lost? What is still working? What is the solution?

Answer 10

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Question 11

Where do cochlear implants work? Where would the problem be?

Answer 11

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Question 12

What are the necessary components of a cochlear implant? What are the properties of each component?

Answer 12

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Question 13

How many channels are needed to be able to distinguish speech? How many does a cochlear implant have?

Answer 13

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Question 14

What are the limitations with cochlear implants?

Answer 14

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Question 15

What is the speech production system? What are the components?

Answer 15

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Question 16

What does the vocal folds produce?

Answer 16

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Question 17

What do action potentials phase lock to?

Answer 17

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Question 18

What is the problem with the cochlear implants which limits their ability? Challenges?

Answer 18

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