Table of Contents
Advertisement
Figure 10: The highest SII is obtained when the entire speech envelope is above threshold
Long-Term Average 1/3 Octave Spectra (LTASS) for Speech Signals @ Average Effort
0.00
-5.00
-10.00
-15.00
-20.00
-25.00
-30.00
LTASS re overall SPL - STANDARD
-35.00
LTASS re overall SPL - FEMALE
LTASS re overall SPL - CHILD
LTASS re overall SPL - ICRA
-40.00
200
250
315
Figure 11: LTASS for Speechmap speech signals at average vocal effort
07/05/06
© Etymonic Design Incorporated, 41 Byron Ave., Dorchester, ON, Canada N0L 1G0
USA 800-265-2093 519-268-3313 FAX 519-268-3256 www.audioscan.com
re overall SPL for entire passage; Hanning window; 128 ms average
400
500
630
800
BAND CENTER FREQUENCY (Hz)
1000
1250
1600
2000
2500
3150
4000
5000
6300
8000
Page 9
Advertisement
Table of Contents
