Title:
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2023/012938
Kind Code:
A1
Abstract:
A signal processing device including: a beat sound frequency determination unit which determines an optimal beat sound frequency for a user on the basis of a brain wave signal of the user; and a binaural beat signal generation unit that acquires ambient sound, converts a pre-prepared sample acoustic signal into a binaural beat on the basis of the optimal beat sound frequency, mixes the binaural beat–converted sample acoustic signal with the ambient sound, and generates an ambient sound signal that has been converted into a binaural beat.
Inventors:
ITO HIROAKI (JP)
CHIBA HIRONOBU (JP)
KAKO TATSUYA (JP)
NOGUCHI KENICHI (JP)
CHIBA HIRONOBU (JP)
KAKO TATSUYA (JP)
NOGUCHI KENICHI (JP)
Application Number:
PCT/JP2021/028973
Publication Date:
February 09, 2023
Filing Date:
August 04, 2021
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
A61M21/02
Domestic Patent References:
| WO2017086353A1 | 2017-05-26 |
Foreign References:
| JP2014226361A | 2014-12-08 | |||
| JP2017111414A | 2017-06-22 |
Attorney, Agent or Firm:
NAKAO, Naoki et al. (JP)
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