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Enhancing speech degrated by additive noise or interfering speakers

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1 Author(s)
D. O'Shaughnessy ; INRS-Telecommun., Montreal, Que., Canada

The author examines some of the ways that speech signals, subjected to certain degradations (e.g. additive noise, interfering speakers, bandlimiting, single-channel data), can be processed to increase the likelihood of being correctly understood. He concentrates on applications that involve monaural listening. He treats spectral and time-domain subtraction techniques, methods involving fundamental frequency tracking, and enhancement by resynthesis.<>

Published in:

IEEE Communications Magazine  (Volume:27 ,  Issue: 2 )