Title:
ACOUSTIC SYSTEM FOR CLOSED SPACE
Document Type and Number:
WIPO Patent Application WO/2022/137276
Kind Code:
A1
Abstract:
This acoustic system for a closed space comprises: a speaker system that is arranged in a closed space, the speaker system being obtained by mounting one or more speaker units; a storage unit that stores a plurality of sound sources produced in nature; and a sound field control unit that combines and plays back two or more of the sound sources and that causes an acoustic signal based on the combined sound sources to be emitted from the speaker system into the closed space.
Inventors:
FUJIWARA SUSUMU (JP)
TARUISHI KEIGO (JP)
AIKAWA MASAMI (JP)
TARUISHI KEIGO (JP)
AIKAWA MASAMI (JP)
Application Number:
PCT/JP2020/047633
Publication Date:
June 30, 2022
Filing Date:
December 21, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B3/00; B66B11/02; G10K15/04; H04R1/02; H04R3/00
Domestic Patent References:
| WO2020136872A1 | 2020-07-02 |
Foreign References:
| JPH0338698A | 1991-02-19 | |||
| JP2016023000A | 2016-02-08 | |||
| JPS6012567U | 1985-01-28 | |||
| JP2019066667A | 2019-04-25 | |||
| JPH0322260A | 1991-01-30 | |||
| JP2008042691A | 2008-02-21 | |||
| JP2009035340A | 2009-02-19 | |||
| JP5322607B2 | 2013-10-23 |
Other References:
See also references of EP 4265553A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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