Title:
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2021/117576
Kind Code:
A1
Abstract:
A signal processing device comprising a reverberant sound signal generating unit for generating a reverberant sound signal in accordance with the sound source position of a virtual sound source and a distance to a reference point, and a drive signal generating unit for generating a drive signal with respect to a speaker array by means of a wave field synthesis filter. The drive signal generating unit generates the drive signal on the basis of: a signal obtained by performing a wave field synthesis filtering with respect to a signal in which the reverberant sound signal is convoluted into a signal of the virtual sound source; and/or a signal obtained by making the reverberant sound signal a virtual sound source by performing a wave field synthesis filtering with respect to the reverberant sound signal.
Inventors:
OSAKO KEIICHI (JP)
MITSUFUJI YUHKI (JP)
TAKAHASHI MASAFUMI (JP)
IKEMIYA YUKARA (JP)
MITSUFUJI YUHKI (JP)
TAKAHASHI MASAFUMI (JP)
IKEMIYA YUKARA (JP)
Application Number:
PCT/JP2020/044855
Publication Date:
June 17, 2021
Filing Date:
December 02, 2020
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
H04R1/40; G10K15/08; H04R3/00; H04S7/00
Domestic Patent References:
| WO2013057948A1 | 2013-04-25 | |||
| WO2006009028A1 | 2006-01-26 | |||
| WO2019078035A1 | 2019-04-25 |
Foreign References:
| JP2009071406A | 2009-04-02 | |||
| JP2019165845A | 2019-10-03 | |||
| JP2014529251A | 2014-10-30 |
Attorney, Agent or Firm:
SUGIURA, Takuma et al. (JP)
Download PDF: