US 11,722,110 B2
Signal processing device, signal processing method, program, and video display device
Michiaki Yoneda, Kanagawa (JP); and Yoshiyuki Kuroda, Chiba (JP)
Assigned to Sony Group Corporation, Tokyo (JP)
Appl. No. 17/604,365
Filed by Sony Group Corporation, Tokyo (JP)
PCT Filed Mar. 30, 2020, PCT No. PCT/JP2020/014599
§ 371(c)(1), (2) Date Oct. 15, 2021,
PCT Pub. No. WO2020/217872, PCT Pub. Date Oct. 29, 2020.
Claims priority of application No. 2019-081749 (JP), filed on Apr. 23, 2019.
Prior Publication US 2022/0182030 A1, Jun. 9, 2022
Int. Cl. H03G 3/30 (2006.01); H04R 1/02 (2006.01); H04R 5/02 (2006.01); H04R 5/04 (2006.01); H04R 29/00 (2006.01); H04S 1/00 (2006.01)
CPC H03G 3/3005 (2013.01) [H04R 1/028 (2013.01); H04R 5/02 (2013.01); H04R 5/04 (2013.01); H04R 29/001 (2013.01); H04S 1/007 (2013.01); H03G 2201/103 (2013.01); H04R 2430/01 (2013.01); H04R 2499/15 (2013.01); H04S 2400/13 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A signal processing device comprising:
a first panel displacement control unit to which a first audio signal is input;
a second panel displacement control unit to which a second audio signal is input; and
a control unit configured to control the first panel displacement control unit and the second panel displacement control unit, wherein
the first panel displacement control unit includes a first gain adjustment unit configured to adjust a level of the first audio signal,
the second panel displacement control unit includes a second gain adjustment unit configured to adjust a level of the second audio signal, and
the control unit includes
a correlation determination unit configured to determine presence or absence of a correlation between the first audio signal and the second audio signal, and
a gain control unit configured to control a level adjustment amount in each of the first gain adjustment unit and the second gain adjustment unit on a basis of a determination result of the correlation determination unit.