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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.