Quiz 7

Question 1

What happens when you combine pure tones of the same frequency and amplitude when they are 180o out of phase?

Answer 1

The two waveforms cancel each other out

Question 2

A 10-fold increase of sound pressure level is an increase of how many dB SPL?

Answer 2

20 dB

Question 3

What percent or probability of a response is used for the clinical definition of threshold?f

Answer 3

50%

Question 4

With this type of psychoacoustic procedure, each subsequent presentation level depends on the subject’s or patient’s response

Answer 4

adaptive procedure

Question 5

Perception of loudness (how a person perceives the loudness of a sound) can depend on what

Answer 5

Duration of the signal
Frequency of the signal
Bandwidth of the signal

Question 6

How does presentation duration affect absolute threshold?

Answer 6

If the presentation time is less than 200 msec, threshold will be too high

Question 7

Pitch perception is affected by the presentation level.

Answer 7

true

Question 8

Which definition best describes frequency selectivity?

Answer 8

The ability to differentiate between two sounds of the same frequency. ??