VOICE AUTHENTICATION DEVICE AND VOICE AUTHENTICATION METHOD

Title:

VOICE AUTHENTICATION DEVICE AND VOICE AUTHENTICATION METHOD

Document Type and Number:

WIPO Patent Application WO/2023/233754

Kind Code:

A1

Abstract:

This voice authentication device comprises: a generation unit that performs at least one instance of voice conversion processing among frequency characteristics conversion processing, speech speed conversion processing, and volume conversion processing on first voice data from a speaker and generates second voice data; a calculation unit that calculates a feature amount regarding the speaker using the first voice data or the second voice data; a comparison unit that compares a feature amount regarding a registered speaker and the feature amount regarding the speaker; and an authentication unit that authenticates the speaker on the basis of the comparison result.

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Inventors:

FUJII RYOTA
FUKUDA TEPPEI
YOSHIKUNI SHINTARO
OKADA SHINTARO

Application Number:

PCT/JP2023/010200

Publication Date:

December 07, 2023

Filing Date:

March 15, 2023

Export Citation:

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Assignee:

PANASONIC IP MAN CO LTD (JP)

International Classes:

G10L17/00

Foreign References:

JP2007052496A	2007-03-01
JP2019028465A	2019-02-21
JP2008292621A	2008-12-04
JP2000312247A	2000-11-07
JP2016053598A	2016-04-14
US7386448B1	2008-06-10