Title:
SYSTEM AND METHOD FOR KEY PHRASE SPOTTING
Document Type and Number:
WIPO Patent Application WO/2019/079957
Kind Code:
A1
Abstract:
A method for key phrase spotting may comprise: obtaining an audio; obtaining a plurality of candidate words corresponding to a plurality of the audio portions and obtaining a first probability score for each corresponding relationship between the obtained candidate word and the audio portion; determining if the plurality of candidate words respectively match a plurality of key words of a key phrase and if the first probability score of each of the plurality of candidate words exceeds a corresponding first threshold, the plurality of candidate words constituting a candidate phrase; and in response to determining the plurality of candidate words matching the plurality of key words and the each first probability score exceeding the corresponding threshold, obtaining a second probability score representing a matching relationship between the candidate phrase and the key phrase based on the first probability score of each of the plurality of candidate words.
Inventors:
ZHOU RONG (CN)
Application Number:
PCT/CN2017/107432
Publication Date:
May 02, 2019
Filing Date:
October 24, 2017
Export Citation:
Assignee:
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD (CN)
International Classes:
G10L15/02
Foreign References:
| CN102194454A | 2011-09-21 | |||
| CN104700832A | 2015-06-10 | |||
| CN1452156A | 2003-10-29 | |||
| CN103677729A | 2014-03-26 | |||
| US20100211390A1 | 2010-08-19 | |||
| JP2010078877A | 2010-04-08 |
Other References:
See also references of EP 3628098A4
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (CN)
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