Title:
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, PROGRAM AND DIRECTIVITY CHANGING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/213296
Kind Code:
A1
Abstract:
Provided is a signal processing device comprising a directivity processing unit that acquires audio signals of a plurality of channels simultaneously collected by a microphone array constituted by a plurality of microphones and that uses the acquired audio signals of the plurality of channels to generate audio signals for changing the directivity the number of which is less than the number of channels and the directional characteristics of which are mutually different.
Inventors:
KOIZUMI TATSUYA (JP)
Application Number:
PCT/JP2020/010089
Publication Date:
October 22, 2020
Filing Date:
March 09, 2020
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H04R1/40; G10K11/34; H04R3/00; H04R5/027
Foreign References:
| JP2008048355A | 2008-02-28 | |||
| JP2008061186A | 2008-03-13 | |||
| JPH0275895U | 1990-06-11 |
Attorney, Agent or Firm:
SUGIURA, Masatomo et al. (JP)
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