Lesson 16

Question 1

The harmonics of speech reinforce some frequencies more than others. The reinforced frequencies are

Answer 1

formants

Question 2

Vowels differ from consonants in that they

Answer 2

use more open vocal cord voicing

Question 3

When tilting the frequency response, the last number in a matrix, i.e. 110/37/15 means

Answer 3

the 15 dB difference occurs between 500 Hz and the first peak

Question 4

The patient’s MCL on a speech circuit of the audiometer is usually judged on

Answer 4

the volume at 1000 Hz

Question 5

ANSI developed the Articulation Index (AI) to express

Answer 5

speech clarity

Question 6

‘Positive reinforcement’ involves

Answer 6

presenting a tone that is only inaudible without the instrument on

Question 7

Our quest of improving speech understanding begins by studying

Answer 7

speech production

Question 8

Most auditory systems follow a power law. This logarithmic concept is

Answer 8

a 10 dB increase in sound pressure doubles the loudness

Question 9

Sones compare

Answer 9

loudness up frequency

Question 10

Mels measure

Answer 10

pitch