INFORMATION PROCESSING DEVICE, CONTROL METHOD, AND PROGRAM

WIPO Patent Application WO/2020/003413

A1

An information processing device (2000) calculates a first score indicating degree of similarity between input voice data (10) and registrant voice data (22) of a registrant (20). The information processing device (2000) divides the input voice data (10) in a time direction to thereby obtain a plurality of segment voice data (12). The information processing device (2000) calculates a second score indicating degree of similarity between the segment voice data (12) and the registrant voice data (22) with regard to each of the segment voice data (12). The information processing device 2000 performs first determination that determines whether a speaker of voice included in the input voice data (10) is one speaker or plural speakers by using at least the second score. The information processing device (2000) performs second determination that determines whether the input voice data (10) includes voice of the registrant (20) on the basis of the first score, the second score, and the result of the first determination.

GUO LING (JP)
YAMAMOTO HITOSHI (JP)
KOSHINAKA TAKAFUMI (JP)

PCT/JP2018/024391

January 02, 2020

June 27, 2018

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NEC CORP (JP)

G10L17/00

WO2008117626A1	2008-10-02
WO2008117626A1	2008-10-02

JP2017517027A

2017-06-22

HARMSE JORGENSTEVEN D. BECKHIROTAKA NAKASONE: "Speaker recognition score-normalization to compensate for snr and duration", SPEAKER AND LANGUAGE RECOGNITION WORKSHOP, 2006
AJMERA JITENDRALAIN MCCOWANHERVE BOURLARD: "Robust speaker change detection", IEEE SIGNAL PROCESSING LETTERS, 2004
See also references of EP 3816996A4

HAYAMI Shinji (JP)

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