Title:
VOICE KEYWORD IDENTIFICATION METHOD, APPARATUS AND DEVICE AND COMPUTER READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2019/056482
Kind Code:
A1
Abstract:
A voice keyword identification method, apparatus and device, and a computer readable storage medium. The voice keyword identification method comprises: receiving an input voice signal (101); extracting audio features in the voice signal (102); calculating, according to the audio features, the probabilities of keywords to an acoustics model, a pronunciation dictionary and a language model by utilizing the acoustics model, the pronunciation dictionary and the language model; determining whether a probability is greater than a threshold; if a probability is greater than the threshold, counting the number of the keywords corresponding to the probability; and if the number of the keywords corresponding to the probability is one, using the keyword corresponding to the probability as a keyword identification result. After the probabilities of possible keywords are calculated, a keyword corresponding to the probability greater than the threshold is used as the keyword identification result, thus improving keyword identification rate.
Inventors:
ZHA GAOMI (CN)
CHENG NING (CN)
WANG JIANZONG (CN)
XIAO JING (CN)
CHENG NING (CN)
WANG JIANZONG (CN)
XIAO JING (CN)
Application Number:
PCT/CN2017/108233
Publication Date:
March 28, 2019
Filing Date:
October 30, 2017
Export Citation:
Assignee:
PING AN TECH SHENZHEN CO LTD (CN)
International Classes:
G10L15/10; G10L15/14; G10L15/22; G10L15/26
Foreign References:
| CN101447185A | 2009-06-03 | |||
| CN106611597A | 2017-05-03 | |||
| CN106297776A | 2017-01-04 | |||
| CN106847259A | 2017-06-13 | |||
| CN103500579A | 2014-01-08 | |||
| JP2010078877A | 2010-04-08 | |||
| US20140025379A1 | 2014-01-23 |
Attorney, Agent or Firm:
SHENZHEN TALENT PATENT SERVICE (CN)
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