The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 2020
Filed:
Sep. 17, 2019
Applicant:
Yamaha Corporation, Hamamatsu, JP;
Inventors:
Tetsuto Kawai, Hamamatsu, JP;
Mikio Muramatsu, Fukuroi, JP;
Takayuki Inoue, Hamamatsu, JP;
Satoshi Ukai, Waltham, MA (US);
Assignee:
YAMAHA CORPORATION, Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/04 (2006.01); H04R 1/08 (2006.01); H04R 3/00 (2006.01); G10L 21/0208 (2013.01); G10L 21/0264 (2013.01); H04R 29/00 (2006.01); H04R 1/40 (2006.01);
U.S. Cl.
CPC ...
H04R 3/04 (2013.01); G10L 21/0208 (2013.01); G10L 21/0264 (2013.01); H04R 1/08 (2013.01); H04R 1/406 (2013.01); H04R 3/005 (2013.01); H04R 29/004 (2013.01); H04R 2201/40 (2013.01);
Abstract
A sound pickup method obtains a correlation between a first sound pickup signal to be generated from a first microphone and a second sound pickup signal to be generated from a second microphone, and performs level control of the first sound pickup signal or the second sound pickup signal, according to a ratio of a frequency component of which the correlation exceeds a threshold value.