Exam 3 Part 4

Question 1

What is considered normal hearing on an audiogram?

Answer 1

20 dBHL

Question 2

Psychological perception of complex sounds

Answer 2

Pitch

Question 3

What happens to pitch if frequency is higher?

Answer 3

Higher

Question 4

What units are used for pitch?

Answer 4

mel

Question 5

The mel scale quantifies the difference in ___

Answer 5

pitch`

Question 6

To double the perceived pitch
from 1000 to 2000 mels, we 
must increase frequency from 
1000 Hz to approximately
 _____ Hz (not 2000 Hz)

Answer 6

3000 Hz

Question 7

What unit do you use when someone is asking for perceived pitch?

Answer 7

mels

Question 8

Psychological perception of intensity

Answer 8

Loudness

Question 9

Graph of the listener’s perception that all other frequencies presented have the same perceived loudness as a 1000 Hz tone

Answer 9

Equal loudness contours

Question 10

Unit of measure to quantify relative loudness

Answer 10

Phon

Question 11

The 40-dB equal loudness contour is ___ phon curve

Answer 11

40

Question 12

True or false: Phon measure does not indicate how much louder

Answer 12

True

Question 13

Another way to quantify loudness

Answer 13

Sone scale

Question 14

Tells us that one sound is louder than another

Answer 14

Phon

Question 15

Tells us how much louder one sound is than another

Answer 15

Sone

Question 16

1 sone = ___ phons

Answer 16

40

Question 17

Loudness of a 1 kHz pure tone is represented at ___ dBSPL

Answer 17

40

Question 18

2 sones = ___ phons

Answer 18

50

Question 19

.5 sones = ____ phons

Answer 19

30

Question 20

Refers to the process of locating the source or direction of sound in space

Answer 20

Localization

Question 21

Used to study for the perception under earphones

Answer 21

Lateralization

Question 22

What determines our ability to localization and lateralization (2)?

Answer 22

Interaction of temporal (time) and intensity cues

Question 23

surrounds an observer and exists wherever there is sound

Answer 23

Auditory space

Question 24

Researchers study how sounds are localized in space by using ___ and ___

Answer 24

Azimuth and elevation coordinates

Question 25

Position along the horizontal plane

Answer 25

Azimuth

Question 26

Position along the vertical plane

Answer 26

Elevation

Question 27

0 degree azimuth is…

Answer 27

Front of head

Question 28

180 degree azimuth is….

Answer 28

Back of head

Question 29

Difference in the intensity of the sound between the ears is a cue for higher frequencies

Answer 29

Interaural level/intensity differences