METHOD FOR DETECTING AN AUDIO ADVERSARIAL ATTACK WITH RESPECT TO A VOICE COMMAND PROCESSED BY AN AUTOMATIC SPEECH RECOGNITION SYSTEM, CORRESPONDING DEVICE, COMPUTER PROGRAM PRODUCT AND COMPUTER-READABLE CARRIER MEDIUM

METHOD FOR DETECTING AN AUDIO ADVERSARIAL ATTACK WITH RESPECT TO A VOICE COMMAND PROCESSED BY AN AUTOMATIC SPEECH RECOGNITION SYSTEM, CORRESPONDING DEVICE, COMPUTER PROGRAM PRODUCT AND COMPUTER-READABLE CARRIER MEDIUM

The disclosure relates to a method and device for detecting an audio adversarial attack with respect to a voice command (VC) processed by an automatic speech recognition system (ASR). The method is implemented by a detection device connected to the automatic speech recognition system. The method inc...

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Hauptverfasser: GAUTIER, Eric, NADEAU, Pascal, DELAUNAY, Christophe, GILBERTON, Philippe
Format: Patent
Sprache:eng ; fre ; ger
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ACOUSTICS
MUSICAL INSTRUMENTS
PHYSICS
SPEECH ANALYSIS OR SYNTHESIS
SPEECH OR AUDIO CODING OR DECODING
SPEECH OR VOICE PROCESSING
SPEECH RECOGNITION
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creator GAUTIER, Eric
NADEAU, Pascal
DELAUNAY, Christophe
GILBERTON, Philippe
description The disclosure relates to a method and device for detecting an audio adversarial attack with respect to a voice command (VC) processed by an automatic speech recognition system (ASR). The method is implemented by a detection device connected to the automatic speech recognition system. The method includes: obtaining (11) an audio signal associated with the voice command; performing (12) a phonetic transcription of the audio signal, according to a phonetic transcription scheme, delivering a first character string (CS1); obtaining (13) a transcript resulting from the processing, by the automatic speech recognition system, of the audio signal; performing (14) a phonetic transcription of the transcript, according to the phonetic transcription scheme, delivering a second character string (CS2); computing (15) a similarity score (SS) between the first character string (CS1) and the second character string (CS2); and delivering (16) a piece of data representative of a detection of an audio adversarial attack, as a function of a result of a comparison between the similarity score (SS) and a predetermined threshold.
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subjects ACOUSTICS
MUSICAL INSTRUMENTS
PHYSICS
SPEECH ANALYSIS OR SYNTHESIS
SPEECH OR AUDIO CODING OR DECODING
SPEECH OR VOICE PROCESSING
SPEECH RECOGNITION
title METHOD FOR DETECTING AN AUDIO ADVERSARIAL ATTACK WITH RESPECT TO A VOICE COMMAND PROCESSED BY AN AUTOMATIC SPEECH RECOGNITION SYSTEM, CORRESPONDING DEVICE, COMPUTER PROGRAM PRODUCT AND COMPUTER-READABLE CARRIER MEDIUM
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