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Title:
MASK ESTIMATION DEVICE, MODEL LEARNING DEVICE, SOUND SOURCE SEPARATION DEVICE, MASK ESTIMATION METHOD, MODEL LEARNING METHOD, SOUND SOURCE SEPARATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2019/163736
Kind Code:
A1
Abstract:
This mask estimation device for estimating mask information for specifying a mask used to extract the signal of a specific sound source from an input acoustic signal comprises: a conversion unit that converts the input acoustic signal to an embedded vector of a predetermined dimension using a learned neural network model; and a mask calculation unit that calculates the mask information by fitting the embedded vector to a mixed Gaussian model.

Inventors:
HIGUCHI, Takuya (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
NAKATANI, Tomohiro (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
KINOSHITA, Keisuke (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
Application Number:
JP2019/005976
Publication Date:
August 29, 2019
Filing Date:
February 19, 2019
Export Citation:
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Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (5-1 Otemachi 1-chome, Chiyoda-ku Tokyo, 16, 〒1008116, JP)
International Classes:
G10L21/028; G10L21/0272
Attorney, Agent or Firm:
ITOH, Tadashige et al. (16th Floor, Marunouchi MY PLAZA 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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