Speech enhancement

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United States of America Patent

PATENT NO 9613633
APP PUB NO 20150255083A1
SERIAL NO

14438757

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A speech signal processing system is described for use with automatic speech recognition and hands free speech communication. A signal pre-processor module transforms an input microphone signal into corresponding speech component signals. A noise suppression module applies noise reduction to the speech component signals to generate noise reduced speech component signals. A speech reconstruction module produces corresponding synthesized speech component signals for distorted speech component signals. A signal combination block adaptively combines the noise reduced speech component signals and the synthesized speech component signals based on signal to noise conditions to generate enhanced speech component signals for automatic speech recognition and hands free speech communication.

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Patent Owner(s)

  • NUANCE COMMUNICATIONS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hannon, Patrick Ulm, DE 2 21
Krini, Mohamed Ulm, DE 13 190
Schalk-Schupp, Ingo Ulm, DE 4 39

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