Real-time low-complexity stereo speech enhancement with spatial cue preservation

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United States of America

PATENT NO 12167223
APP PUB NO 20240007817A1
SERIAL NO

17810303

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Abstract

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Real-time low-complexity stereo speech enhancement with spatial cue preservation may be performed. A stereo speech enhancement system receives a stereo input signal (e.g., a left and right input signal). The stereo speech enhancement system estimates spatial cues for a target speaker and downmixes the stereo input signal into a monaural signal. A low-complexity model may then process the monaural signal to generate an enhanced monaural signal. The stereo speech enhancement system upmixes the enhanced monaural signal based on the estimated spatial cues for the target speaker, to generate an enhanced stereo output signal.

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Patent Owner(s)

  • AMAZON TECHNOLOGIES INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goodwin, Michael Mark Scotts Valley, US 6 0
Helwani, Karim Mountain View, US 34 137
Togami, Masahito San Jose, US 22 440
Valin, Jean-Marc Montreal, CA 16 147

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