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:
Apr. 23, 2024
Filed:
Aug. 21, 2019
Applicant:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Inventors:
Rintaro Ikeshita, Musashino, JP;
Nobutaka Ito, Musashino, JP;
Tomohiro Nakatani, Musashino, JP;
Hiroshi Sawada, Musashino, JP;
Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10L 19/02 (2013.01); G10L 19/008 (2013.01); G10L 21/0272 (2013.01); G10L 25/18 (2013.01);
U.S. Cl.
CPC ...
G10L 19/008 (2013.01); G10L 19/02 (2013.01); G10L 21/0272 (2013.01); G10L 25/18 (2013.01);
Abstract
A sound source separation filter information estimation device () estimates a covariance matrix having information on a correlation between sound source spectra and information on a correlation between channels as information on sound source separation filter information for separating an individual sound source signal from a mixed acoustic signal.