Noise reduction method and device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11961501
APP PUB NO 20220301533A1
SERIAL NO

17548609

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Abstract

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Noise reduction method and device are provided. The method includes: obtaining different audio signals respectively collected by two audio collection devices, where one of the two audio collection devices has a specific positional relationship with an effective audio source; at least according to the different audio signals respectively collected by the two audio collection devices, determining effective signals corresponding to the effective audio source and noise signals corresponding to a noise source and obtaining determination results; and performing a noise reduction process on the audio signals collected by at least one of the two audio collection devices to retain the effective signals and reduce the noise signals, according to the determination results.

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Patent Owner(s)

  • LENOVO (BEIJING ) LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ban, Xueli Beijing, CN 4 0
Ni, Yanbo Beijing, CN 1 0
Xiao, Qihua Beijing, CN 11 33
Yu, Zhou Beijing, CN 166 791

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