Audiogram of the pig-tailed macaque (Macaca nemestrina)
Data from: Stebbins, W.C., Green, S., and Miller, F.L. (1966) Auditory sensitivity of the monkey. Science, 153, 1646-1647.
Absolute thresholds (in dB re 20 µN/m2) for one pig-tailed macaque
|
Frequency (in kHz) |
Average Threshold (in dB) |
|
|
.060 |
39 |
|
|
.125 |
24 |
|
|
.250 |
22 |
|
|
.500 |
16 |
|
|
1 |
5 |
|
|
2 |
8 |
|
|
4 |
15 |
|
|
8 |
5 |
|
|
10 |
19 |
|
|
15 |
10 |
|
|
20 |
20 |
|
|
30 |
40 |
|
|
40 |
80 |
|
Lowest and highest frequencies audible at sound
pressure levels (SPL) ranging from 30 to 70 dB SPL
|
SPL (in dB) |
Lowest audible frequency (in kHz) |
Highest audible frequency (in kHz) |
|
70 |
— |
37 |
|
60 |
— |
34.5 |
|
50 |
— |
32 |
|
40 |
.059 |
30 |
|
30 |
.093 |
24.5 |
Additional Parameters:
Body weight = 12 kg
Functional interaural distance= 470 µs
(Time required for sound to travel around the head from one auditory meatus to the other.)
Comments: Threshold values taken from graph. Tones presented via headphones.