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Title:
INTER-CHANNEL FEATURE EXTRACTION METHOD, AUDIO SEPARATION METHOD AND APPARATUS, AND COMPUTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/012929
Kind Code:
A1
Abstract:
An inter-channel feature extraction method for a multi-channel multi-source mixed audio signal, an audio separation method and apparatus, a computing device, a computer readable storage medium, and a multi-source audio separation system. The audio separation method comprises: transforming a channel component of a multi-channel multi-source mixed audio signal into a single-channel multi-source mixed audio representation (210); extracting a plurality of inter-channel features from the multi-channel multi-source mixed audio signal (220); performing feature fusion on the single-channel multi-source mixed audio representation and the plurality of inter-channel features (230); on the basis of the fused multi-channel multi-source mixed audio feature, estimating respective weights of a plurality of sound sources in the single-channel multi-source mixed audio representation (240); obtaining respective representations of the plurality of sound sources according to the single-channel multi-source mixed audio representation and the respective weights (250); and transforming the respective representations of the plurality of sound sources into respective audio signals of the plurality of sound sources (260).

Inventors:
GU RONGZHI (CN)
ZHANG SHIXIONG (CN)
CHEN LIANWU (CN)
XU YONG (CN)
YU MENG (CN)
SU DAN (CN)
YU DONG (CN)
Application Number:
PCT/CN2020/100064
Publication Date:
January 28, 2021
Filing Date:
July 03, 2020
Export Citation:
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Assignee:
TENCENT TECH SHENZHEN CO LTD (CN)
International Classes:
G10L25/03; G06N3/04; G10L15/06; G10L21/0272; G10L25/30
Foreign References:
CN110400575A2019-11-01
US20190180142A12019-06-13
US20190180142A12019-06-13
CN109839612A2019-06-04
CN109830245A2019-05-31
CN103811023A2014-05-21
CN105230044A2016-01-06
CN110032926A2019-07-19
US20110224980A12011-09-15
Attorney, Agent or Firm:
DEQI INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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