Title:
WORD WEIGHT CALCULATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/024613
Kind Code:
A1
Abstract:
In the present invention, a suitable weight is set for a word when the word is additionally registered in a word dictionary used for speech recognition. A word weight calculation system 10 calculates the weight of an additional word that is registered in a word dictionary used for speech recognition. The word weight calculation system comprises: a text acquisition unit 11 that acquires a combination of a speech recognition result text that is the results of speech recognition performed using the word dictionary that includes an additional word for which a prescribed weight has been set in advance, and a correct text that is the correct speech recognition, the combination including the additional word in either of the texts; and a weight calculation unit 14 that calculates the weight of the additional word in accordance with an error word corresponding to the additional word, which is included in either of the acquired texts, and also in accordance with a predetermined number of words preceding the error word or the additional word included in the correct text.
Inventors:
KATOU TAKU (JP)
NAKASHIMA YUSUKE (JP)
ASAMI TAICHI (JP)
NAKASHIMA YUSUKE (JP)
ASAMI TAICHI (JP)
Application Number:
PCT/JP2020/022900
Publication Date:
February 11, 2021
Filing Date:
June 10, 2020
Export Citation:
Assignee:
NTT DOCOMO INC (JP)
International Classes:
G10L15/06
Domestic Patent References:
| WO2007138875A1 | 2007-12-06 |
Foreign References:
| JP2009271465A | 2009-11-19 | |||
| JP2014219569A | 2014-11-20 | |||
| JP2014002237A | 2014-01-09 | |||
| JP2010039539A | 2010-02-18 | |||
| JP2001092489A | 2001-04-06 |
Other References:
LECORVE GWENOLE ET AL.: "Automatically finding semantically consistent n- grams to add new words in LVCSR systems", IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, May 2011 (2011-05-01), pages 4676 - 4679, XP032001723, ISSN: 0736-7791, DOI: 10.1109/ICASSP.2011.5947398
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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