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07/05/06 © Etymonic Design Incorporated, 41 Byron Ave., Dorchester, ON, Canada N0L 1G0 Page 10
USA 800-265-2093 519-268-3313 FAX 519-268-3256 www.audioscan.com
1st Percentile of 1/3 Octave Band SPLs for Speech Signals @ Average Effort]
re LTASS for entire passage; Hanning window; 128 ms average
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200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 6300 8000
BAND CENTER FREQUENCY (Hz)
BAND SPL (dB re LTASS)
1% LEVEL re LTASS - STANDARD
1% LEVEL re LTASS - FEMALE
1% LEVEL re LTASS - CHILD
1% LEVEL re LTASS - ICRA
Figure 12: Level of first percentile for Speechmap speech signals at average vocal effort
70th Percentile of 1/3 Octave Band SPLs for Speech Signals @ Average Effort]
re LTASS for entire passage; Hanning window; 128 ms average
-30.00
-25.00
-20.00
-15.00
-10.00
-5.00
0.00
200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 6300 8000
BAND CENTER FREQUENCY (Hz)
BAND SPL (dB re LTASS)
70% LEVEL re LTASS - STANDARD
70% LEVEL re LTASS - FEMALE
70% LEVEL re LTASS - CHILD
70% LEVEL re LTASS - ICRA
Figure 13: Level of 70
th
percentile for Speechmap speech signals at average vocal effort