Invention Grant
- Patent Title: Estimation device, estimation method, and estimation program
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Application No.: US17629423Application Date: 2019-08-21
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Publication No.: US11967328B2Publication Date: 2024-04-23
- Inventor: Rintaro Ikeshita , Nobutaka Ito , Tomohiro Nakatani , Hiroshi Sawada
- Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- Applicant Address: JP Tokyo
- Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- Current Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: XSENSUS LLP
- International Application: PCT/JP2019/032687 2019.08.21
- International Announcement: WO2021/033296A 2021.02.25
- Date entered country: 2022-01-24
- Main IPC: G10L19/02
- IPC: G10L19/02 ; G10L19/008 ; G10L21/0272 ; G10L25/18
Abstract:
A sound source separation filter information estimation device (10) 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.
Public/Granted literature
- US20220301570A1 ESTIMATION DEVICE, ESTIMATION METHOD, AND ESTIMATION PROGRAM Public/Granted day:2022-09-22
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