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Title:
AUDIO SIGNAL DETECTION METHOD AND APPARATUS, AND AUDIO AND VIDEO CONFERENCE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/150864
Kind Code:
A1
Abstract:
The present disclosure provides an audio signal detection method, comprising: obtaining an audio signal; performing transformation between a time domain and a frequency domain on the audio signal and obtaining a transformation signal; and analyzing the transformation signal to obtain a detection result.

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Inventors:
FENG JINWEI (US)
HOU JUN (CN)
YANG YANG (CN)
HE YAMING (CN)
Application Number:
PCT/CN2019/072543
Publication Date:
July 30, 2020
Filing Date:
January 21, 2019
Export Citation:
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Assignee:
ALIBABA GROUP HOLDING LTD (CN)
International Classes:
H04M9/08; G10L21/02; H04R3/02
Foreign References:
CN103871418A2014-06-18
CN105812993A2016-07-27
CN108184192A2018-06-19
US20050220313A12005-10-06
Attorney, Agent or Firm:
BEIJING TSINGYUANHUI INTELLECTUAL PROPERTY LAW FIRM (CN)
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