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Title:
LEARNING DEVICE, ESTIMATION DEVICE, METHODS THEREFOR, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/176124
Kind Code:
A1
Abstract:
The present invention estimates the intent of speech more accurately than conventional art. This learning device learns an estimation model on the basis of learning data which includes: an acoustic signal for learning; and a label indicating whether the acoustic signal was spoken to a specific object. The learning device includes: a feature synchronization unit that obtains a post-synchronization feature amount by synchronizing an acoustic feature amount obtained from the acoustic signal for learning, and a text feature amount corresponding to the acoustic signal; an intent-of-speech estimation unit that uses the post-synchronization feature amount to estimate whether the acoustic signal was spoken to a specific object; and a parameter updating unit that updates a parameter of the estimation model on the basis of the label included in the learning data and the estimation results of the intent-of-speech estimation unit.

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Inventors:
SATO HIROSHI (JP)
FUKUTOMI TAKAAKI (JP)
SHINOHARA YUSUKE (JP)
Application Number:
PCT/JP2021/006176
Publication Date:
August 25, 2022
Filing Date:
February 18, 2021
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G10L15/06; G10L15/10; G10L15/16
Foreign References:
JP2018528458A2018-09-27
JP2019079034A2019-05-23
JP2017535823A2017-11-30
JP2020067500A2020-04-30
JP2018146898A2018-09-20
CN112182191A2021-01-05
Other References:
TAKATSU, HIROAKI : "Utterance intention understanding in consideration of the context of system utterance", PROCEEDINGS OF THE 25TH ANNUAL MEETING OF THE ASSOCIATION FOR NATURAL LANGUAGE PROCESSING; MARCH 12-15, 2019, 28 February 2019 (2019-02-28) - 15 March 2019 (2019-03-15), pages 320 - 323, XP009539660
Attorney, Agent or Firm:
NAKAO, Naoki et al. (JP)
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