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Title:
VOICE WAKE-UP METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/202016
Kind Code:
A1
Abstract:
The invention discloses a voice wake-up method and a device. The voice wake-up method comprises steps as follows: acquiring a to-be-processed voice signal (S11); decoding the voice signal according to a pre-generated searching space to obtain a voice recognition result, wherein the searching space comprises a path where an inverse model is located, and the inverse model comprises a first inverse model generated by training word segmentation results of wake-up words (S12); determining whether the words with the preset number of characters contains at least part of characters in the wake-up words when the preset number of characters before the voice recognition result is obtained (S13); and directly determining cancellation of wake-up operation if at least part of characters in the wake-up words are not contained, and ending the decoding of the voice signal (S14). The method has the advantages that the mistaken wake-up rate can be reduced, and the power consumption can be reduced.

Inventors:
YUAN, Bin (3/F Baidu Campus, No. 10 Shangdi 10th Street,Haidian District, Beijing 5, 100085, CN)
Application Number:
CN2016/111367
Publication Date:
November 30, 2017
Filing Date:
December 21, 2016
Export Citation:
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Assignee:
BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD. (3/F Baidu Campus, No. 10 Shangdi 10th Street,Haidian District, Beijing 5, 100085, CN)
International Classes:
G10L15/22
Domestic Patent References:
2016-04-28
Foreign References:
CN105869637A2016-08-17
CN104464723A2015-03-25
CN105210146A2015-12-30
CN105489222A2016-04-13
CN103021409A2013-04-03
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (Room 301 Trade Building, Zhaolanyuan Tsinghua University, Qinghuayuan,Haidian District, Beijing 4, 100084, CN)
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