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Title:
PURPOSE UTTERANCE ESTIMATION MODEL LEARNING DEVICE, PURPOSE UTTERANCE ASSESSMENT DEVICE, PURPOSE UTTERANCE ESTIMATION MODEL LEARNING METHOD, PURPOSE UTTERANCE ASSESSMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2019/156162
Kind Code:
A1
Abstract:
Provided is technology for assessing whether uttered speech detected from input speech is speech suited to a prescribed purpose. Included are: an utterance detection unit that detects, from input speech including speech uttered by a speaker and noise, the uttered speech corresponding to the speech uttered by the speaker, and extracts an acoustic feature of the uttered speech; a speech recognition unit that generates, from the uttered speech, a speech recognition result set with a recognition score; a vector expression generation unit that generates, from the speech recognition result set with the recognition score, a speech recognition result word vector expression set and a speech recognition result part-of-speech vector expression set; and a purpose utterance assessment unit that uses a purpose utterance estimation model which outputs a probability that the uttered speech detected from the input speech is speech suited to a prescribed purpose, and outputs the uttered speech and the speech recognition result set with the recognition score, if the uttered speech is assessed to be speech suited to the prescribed purpose, on the basis of the uttered speech, the acoustic feature, the speech recognition result set with the recognition score, the speech recognition result word vector expression set and the speech recognition result part-of-speech vector expression set.

Inventors:
NAKAMURA TAKASHI (JP)
FUKUTOMI TAKAAKI (JP)
Application Number:
JP2019/004406
Publication Date:
August 15, 2019
Filing Date:
February 07, 2019
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G10L15/22; G10L15/06; G10L15/16; G10L15/28
Foreign References:
JP2009025518A2009-02-05
JP2014191029A2014-10-06
JP2016134169A2016-07-25
Attorney, Agent or Firm:
NAKAO, Naoki et al. (JP)
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