ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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7
Issue
vol 61 / JULY, 2018
Article
UDC 621.391.037.372

STUDY OF VOICE VERIFICATION SYSTEM TOLERANCE TO SPOOFING ATTACKS USING A TEXT-TO-SPEECH SYSTEM

V. L. Shchemelinin
STC-innovations Ltd., Saint Petersburg, 196084, Russian Federation; ITMO University, Saint Petersburg, 197101, Russian Federation; Department head; engineer


K. . Simonchik
«Speech Technology Center» Ltd., Saint Petersburg National Research University of Information Technologies, Mechanics and Optics; Head of section, Associated Professor


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Abstract. A method of spoofing text-dependent voice verification system based on the most popular TTS approaches (Unit Selection and HMM) is presented. The method is shown to allow for false acceptance error of 98—100 % in the case of sufficiently large TTS database. A distinctive feature of the method is that it can be fully automated if used in conjunction with a speech recognition system.
Keywords: spoofing, speech synthesis, speaker recognition