Limits of Direct Speech Communication in Noise
- 1 April 1958
- journal article
- research article
- Published by Acoustical Society of America (ASA) in The Journal of the Acoustical Society of America
- Vol. 30 (4) , 278-281
- https://doi.org/10.1121/1.1909567
Abstract
Person-to-person tests of sentence intelligibility were carried out in low frequency and white noise at noise levels of 85-118 db. Talkers attained shouting levels of vocal effort but the maximum tolerable noise levels for 90% sentence intelligibility at 1 m between talker and listener were estimated to be 95 db for white noise and 105 db for low-frequency noise.Keywords
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