Echo suppression and speech detection techniques for...

Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition

Reexamination Certificate

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C215S226000

Reexamination Certificate

active

10012225

ABSTRACT:
Various methods and apparatus are described for implementing effective echo suppression in a wide variety of telephony system architectures. These methods and apparatus include broadband and multi-band techniques for speech detection, estimation of near-end transmission path attenuation, and estimation of far-end transmission path attenuation and delay.

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