HP RM500SL User Manual
Page 85
0611
RM500SL User’s Guide Version 2.8
Page 85
19.3 Stimulus levels
FastFacts 19.3: Stimulus levels
1/3 octave band SPL
Add to band SPL for
Speech
Hz
Standard Female Child
ICRA
Noise
Pink
Noise
Loud
Own
Voice
FM
Chest
FM
Boom
200
56.8
54.9
32.3
52.9
53
-2.2
.5
9.0
19.2
250
56.0
53.1
51.5
55.9
53
3.3
10.7
12.0
22.2
315
53.0
48.4
57.3
56.9
53
9.6
11.0
16.6
26.0
400
57.0
55.8
54.1
57.5
53
6.1
10.0
13.3
22.8
500
58.0
57.3
53.2
57.8
53
7.7
10.1
13.2
25.3
630
55.0
58.1
61.2
54.3
53
12.4
10.5
21.0
29.1
800
52.5
54.6
56.5
52.8
53
14.4
10.8
26.4
32.1
1000
51.0
52.0
52.7
50.4
53
15.0
10.5
26.4
32.7
1250
50.5
51.0
45.4
51.3
53
14.8
5.5
22.0
33.6
1600
48.0
51.1
41.1
48.5
53
15.5
4.0
22.1
33.9
2000
45.0
51.2
39.7
47.0
53
16.2
6.0
21.0
33.0
2500
44.0
49.3
35.5
44.7
53
14.8
6.0
18.2
31.9
3150
42.5
46.0
28.8
43.3
53
14.5
2.0
14.4
30.4
4000
42.0
40.0
31.2
41.1
53
13.2
-0.5
11.8
29.0
5000
40.0
36.1
30.6
39.6
53
9.2
-1.0
12.4
27.8
6300
41.5
43.5
32.6
33.5
53
4.2
0.0
11.4
26.2
8000
41.5
39.9
35.2
28.2
53
2.7
-4.0
11.0
25.8
Overall
65.0
65.0
65.0
65.0
65
75.0
75.0
84.0
93.0
LTASS for standard speech is from Cox & Moore (1988). Loud spectrum is from
ANSI S3.5-1997. Own voice spectrum is from Cornelisse et al (1991) adjusted to a
1 m reference.