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Design Choices for X-vector Based Speaker ...
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Document type :
Communication dans un congrès avec actes
Title :
Design Choices for X-vector Based Speaker Anonymization
Author(s) :
Srivastava, Brij Mohan Lal [Auteur]
Machine Learning in Information Networks [MAGNET]
Tomashenko, Natalia [Auteur]
Laboratoire Informatique d'Avignon [LIA]
Wang, Xin [Auteur]
National Institute of Informatics [NII]
Vincent, Emmanuel [Auteur]
Speech Modeling for Facilitating Oral-Based Communication [MULTISPEECH]
Yamagishi, Junichi [Auteur]
National Institute of Informatics [NII]
Maouche, Mohamed [Auteur]
Distribution, Recherche d'Information et Mobilité [DRIM]
Bellet, Aurelien [Auteur] refId
Machine Learning in Information Networks [MAGNET]
Tommasi, Marc [Auteur]
Conference title :
INTERSPEECH 2020
Conference organizers(s) :
International Speech Communication Association (ISCA)
City :
Shanghai
Country :
Chine
Start date of the conference :
2020-10-25
English keyword(s) :
VoicePrivacy challenge
speaker anonymization
voice conversion
x-vectors
PLDA
HAL domain(s) :
Informatique [cs]
Informatique [cs]/Informatique et langage [cs.CL]
Informatique [cs]/Apprentissage [cs.LG]
English abstract : [en]
The recently proposed x-vector based anonymization scheme converts any input voice into that of a random pseudo-speaker. In this paper, we present a flexible pseudo-speaker selection technique as a baseline for the first ...
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The recently proposed x-vector based anonymization scheme converts any input voice into that of a random pseudo-speaker. In this paper, we present a flexible pseudo-speaker selection technique as a baseline for the first VoicePrivacy Challenge. We explore several design choices for the distance metric between speakers, the region of x-vector space where the pseudo-speaker is picked, and gender selection. To assess the strength of anonymization achieved, we consider attackers using an x-vector based speaker verification system who may use original or anonymized speech for enrollment, depending on their knowledge of the anonymization scheme. The Equal Error Rate (EER) achieved by the attackers and the decoding Word Error Rate (WER) over anonymized data are reported as the measures of privacy and utility. Experiments are performed using datasets derived from LibriSpeech to find the optimal combination of design choices in terms of privacy and utility.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
ANR Project :
Apprentissage distribué, personnalisé, préservant la privacité pour le traitement de la parole
Collections :
  • Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
Source :
Harvested from HAL
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  • http://arxiv.org/pdf/2005.08601
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  • https://hal.archives-ouvertes.fr/hal-02610447v2/document
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  • https://hal.archives-ouvertes.fr/hal-02610447v2/document
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