Invention Grant
- Patent Title: Learning device, voice activity detector, and method for detecting voice activity
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Application No.: US16970203Application Date: 2018-02-20
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Publication No.: US11527259B2Publication Date: 2022-12-13
- Inventor: Toshiyuki Hanazawa
- Applicant: Mitsubishi Electric Corporation
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Electric Corporation
- Current Assignee: Mitsubishi Electric Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- International Application: PCT/JP2018/005938 WO 20180220
- International Announcement: WO2019/162990 WO 20190829
- Main IPC: G10L15/00
- IPC: G10L15/00 ; G10L25/84 ; G06N3/04 ; G06N3/08 ; G06N7/00 ; G10L25/30 ; G10L25/78
Abstract:
A likelihood of voice that is a discrimination measure between noise and voice is corrected, by using a Gaussian mixture model of noise learned in a time section in which an input signal is noise, and a voice activity is detected on the basis of the corrected likelihood of voice.
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