Title:
AREA REPRODUCTION SYSTEM AND AREA REPRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/286413
Kind Code:
A1
Abstract:
This area reproduction system is provided with a speaker array in which a plurality of speakers are disposed side by side, accepts input of a reproduced sound, picks up an environmental sound in a non-reproduction area different from a reproduction area to which an audio beam of the reproduced sound is emitted, acquires noise in the non-reproduction area included in the environmental sound and a leaked sound leaked to the non-reproduction area, generates a masking sound having a sound pressure higher than that of the leaked sound on the basis of the frequency characteristics of the sound pressures of the noise and the leaked sound, adjusts the directivity of the masking sound to be outputted by each of the plurality of speakers such that an audio beam of the masking sound is emitted to the non-reproduction area while avoiding a listener, and causes each of the plurality of speakers to output the adjusted masking sound.
Inventors:
NAKAHASHI KOTA (JP)
SAKAGUCHI ATSUSHI
SAKAGUCHI ATSUSHI
Application Number:
PCT/JP2022/018596
Publication Date:
January 19, 2023
Filing Date:
April 22, 2022
Export Citation:
Assignee:
PANASONIC IP CORP AMERICA (US)
International Classes:
G10K11/175; H04R1/40; H04R3/00
Domestic Patent References:
| WO2020036058A1 | 2020-02-20 | |||
| WO2021014935A1 | 2021-01-28 |
Foreign References:
| KR20130042115A | 2013-04-26 | |||
| US20150208166A1 | 2015-07-23 | |||
| JP2009094967A | 2009-04-30 |
Attorney, Agent or Firm:
KOTANI, Masataka et al. (JP)
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