Real-time microphone array with robust beamformer and postfilter for speech enhancement and method of operation thereof

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United States of America Patent

PATENT NO 9538285
APP PUB NO 20130343571A1
SERIAL NO

13531211

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Abstract

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A microphone array processing system and method carried out in the system. In one embodiment, the system includes: (1) a beamformer configured to perform adaptive beamforming on gain-compensated signals received from a plurality of microphones, the adaptive beamforming including dynamic range compression and diagonal loading of a sample correlation matrix based on order statistics and (2) a postfilter configured to receive an output of the beamformer and reduce noise components remaining from the beamforming.

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Patent Owner(s)

Patent OwnerAddress
VERISILICON HOLDINGS CO LTD4699 OLD IRONSIDES DRIVE SUITE 270 SANTA CLARA CA 95054

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rayala, Jitendra D Sunnyvale, US 2 162
Vemireddy, Krishna San Jose, US 2 162

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