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:
Oct. 22, 2019
Filed:
Feb. 29, 2016
Applicant:
Nec Corporation, Tokyo, JP;
Inventor:
Akihiko Sugiyama, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10L 21/0216 (2013.01); H04M 9/08 (2006.01); H04R 3/04 (2006.01); H04B 3/23 (2006.01); G10K 11/00 (2006.01); H04R 3/00 (2006.01); G10L 21/0208 (2013.01);
U.S. Cl.
CPC ...
G10L 21/0216 (2013.01); G10K 11/002 (2013.01); H04B 3/234 (2013.01); H04M 9/082 (2013.01); H04R 3/002 (2013.01); H04R 3/04 (2013.01); G10L 2021/02082 (2013.01); G10L 2021/02163 (2013.01); H04R 2410/05 (2013.01);
Abstract
A double-talk detecting method including estimating a noise contained in a mixed signal containing at least an echo, a near-end signal and a noise to determine an estimated noise; and detecting a presence of a near-end signal contained in said mixed signal using said estimated noise.