Title:
INFORMATION PROCESSING DEVICE, CONTROL METHOD, AND CONTROL PROGRAM
Document Type and Number:
WIPO Patent Application WO/2021/019717
Kind Code:
A1
Abstract:
An information processing device (100) comprises: a signal acquisition unit (110) that acquires a voice signal of a subject outputted from a microphone array (200); and a control unit (10) that acquires at least one of noise level information indicating a noise level of noise and first information indicating whether or not a disturber speaks and interferes with a subject's speech and that, on the basis of at least one of the noise level information and the first information, changes both a beam width, i.e., the width of a beam corresponding to an angle range of sound acquired in such a manner that centers a beam indicating a direction in which the subject's voice is inputted to a plurality of microphones and a blind spot formation strength, i.e., a degree of suppressing at least one of the noise and the disturber's voice both inputted to the microphone array (200).
Inventors:
ITO AKIHIRO (JP)
FURUTA SATORU (JP)
FURUTA SATORU (JP)
Application Number:
PCT/JP2019/029983
Publication Date:
February 04, 2021
Filing Date:
July 31, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H04R3/00; G10K11/34; H04R1/40
Domestic Patent References:
| WO2016143340A1 | 2016-09-15 | |||
| WO2015040886A1 | 2015-03-26 |
Foreign References:
| JP2019080246A | 2019-05-23 | |||
| JP2005354223A | 2005-12-22 | |||
| JPH1051889A | 1998-02-20 | |||
| JP2009225379A | 2009-10-01 |
Attorney, Agent or Firm:
YAMAGATA Yoichi et al. (JP)
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