Title:
LOCAL ATTENUATED SOUND FIELD FORMATION DEVICE, LOCAL ATTENUATED SOUND FIELD FORMATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2017/208822
Kind Code:
A1
Abstract:
The present technology relates to a local attenuated sound field formation device, a local attenuated sound field formation method, and a program that make it possible to perform control in the depth direction of an attenuation area. A local attenuated sound field formation device that has: a first speaker array that outputs sound on the basis of a first speaker drive signal and forms a prescribed sound field; and a second speaker array that is arranged in a different location from the first speaker array, outputs sound on the basis of a second speaker drive signal, and forms a sound field that cancels the prescribed sound field. The present technology can be applied to local attenuated sound field formation devices.
Inventors:
MAENO YU (JP)
MITSUFUJI YUHKI (JP)
MITSUFUJI YUHKI (JP)
Application Number:
PCT/JP2017/018501
Publication Date:
December 07, 2017
Filing Date:
May 17, 2017
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
G10K11/178; G10K11/34; H04R1/40; H04R3/00
Foreign References:
| JP2007121439A | 2007-05-17 | |||
| JP2006270409A | 2006-10-05 |
Other References:
See also references of EP 3467818A4
Attorney, Agent or Firm:
NISHIKAWA Takashi et al. (JP)
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