Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LEARNING DEVICE, VOICE ACTIVITY DETECTOR, AND METHOD FOR DETECTING VOICE ACTIVITY
Document Type and Number:
WIPO Patent Application WO/2019/162990
Kind Code:
A1
Abstract:
The present invention corrects a level of sound serving as a discriminant measure to determine the boundary between noise and voice using a Gaussian mixture model for noise learned during a time interval when an input signal is noise, and detects a voice activity on the basis of the corrected level of sound.

Inventors:
HANAZAWA, Toshiyuki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2018/005938
Publication Date:
August 29, 2019
Filing Date:
February 20, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
G10L25/78
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (Akasaka Sanno Center Bldg. 5F, 12-4 Nagata-cho 2-chome, Chiyoda-k, Tokyo 14, 〒1000014, JP)
Download PDF: