Title:
VOICE EXTRACTION METHOD AND APPARATUS, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/135130
Kind Code:
A1
Abstract:
A voice extraction method and apparatus (500), and an electronic device. The method comprises: acquiring microphone array data (303) (201, 401); performing signal processing on the microphone array data (303) to obtain a normalized feature (304) (202, 402), wherein the normalized feature (304) is used for representing the probability of a voice being present in a predetermined direction; on the basis of the microphone array data (303), determining a voice feature (306) of a voice in a target direction (203); and fusing the normalized feature (304) with the voice feature (306) of the voice in the target direction, and extracting voice data (309) in the target direction according to the voice feature (307) after same is subjected to fusion (204). Environmental noise is reduced, and the accuracy of extracted voice data is improved.
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Inventors:
XU YANGFEI (CN)
Application Number:
PCT/CN2021/135832
Publication Date:
June 30, 2022
Filing Date:
December 06, 2021
Export Citation:
Assignee:
BEIJING YOUZHUJU NETWORK TECH CO LTD (CN)
International Classes:
G10L21/0216; G10L25/03
Foreign References:
| CN112786069A | 2021-05-11 | |||
| CN110706719A | 2020-01-17 | |||
| CN110751946A | 2020-02-04 | |||
| CN111866665A | 2020-10-30 | |||
| CN112116920A | 2020-12-22 | |||
| CN110261816A | 2019-09-20 | |||
| US20040220800A1 | 2004-11-04 | |||
| CN111696570A | 2020-09-22 | |||
| US20190104357A1 | 2019-04-04 |
Other References:
See also references of EP 4266308A4
Attorney, Agent or Firm:
TAHOTA LAW FIRM (CN)
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