Title:
SPEECH RECOGNITION METHOD AND RELATED DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/115176
Kind Code:
A1
Abstract:
A speech recognition method and a related device, relating to the field of artificial intelligence. The method comprises: acquiring a first short-term power spectrum and a voiceprint feature of a speaker to be recognized, wherein the first short-term power spectrum is a short-term power spectrum of a speech signal to be recognized; calculating and obtaining a speech separation feature tiled matrix according to the first short-term power spectrum and the voiceprint feature, wherein the speech separation feature tiled matrix is a matrix for separating a second short-term power spectrum from the first short-term power spectrum, and the second short-term power spectrum is a short-term power spectrum of a speech signal of the speaker to be recognized; calculating and obtaining a first output result according to the speech separation feature tiled matrix and the first short-term power spectrum, wherein the first output result comprises the second short-term power spectrum; and recognizing, according to the second short-term power spectrum, the speech of the speaker to be recognized. The accuracy of speech recognition can thus be improved.
Inventors:
WANG JIANQIAO (CN)
Application Number:
PCT/CN2020/133381
Publication Date:
June 17, 2021
Filing Date:
December 02, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G10L15/20; G10L15/02; G10L15/16; G10L15/22; G10L15/26; G10L15/30; G10L17/00; G10L17/22; G10L25/21; G10L25/78
Foreign References:
| CN111145736A | 2020-05-12 | |||
| CN110010133A | 2019-07-12 | |||
| CN107610707A | 2018-01-19 | |||
| CN108986787A | 2018-12-11 | |||
| CN107240397A | 2017-10-10 | |||
| US20180293978A1 | 2018-10-11 | |||
| US20030185443A1 | 2003-10-02 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
Download PDF: