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HLTCOE JHU Submission to the Voice Privacy Challenge 2024

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arxiv 2409.08913 v2 pith:EAUDONAR submitted 2024-09-13 eess.AS cs.LG

Henry Li Xinyuan , Zexin Cai , Ashi Garg , Kevin Duh , Leibny Paola García-Perera , Sanjeev Khudanpur , Nicholas Andrews , Matthew Wiesner This is my paper
classification eess.AScs.LG
keywords systemsvoiceconversionbetterchallengeincludingmethodprivacy
verification ladder T0 review T1 audit T2 compute T3 formal
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We present a number of systems for the Voice Privacy Challenge, including voice conversion based systems such as the kNN-VC method and the WavLM voice Conversion method, and text-to-speech (TTS) based systems including Whisper-VITS. We found that while voice conversion systems better preserve emotional content, they struggle to conceal speaker identity in semi-white-box attack scenarios; conversely, TTS methods perform better at anonymization and worse at emotion preservation. Finally, we propose a random admixture system which seeks to balance out the strengths and weaknesses of the two category of systems, achieving a strong EER of over 40% while maintaining UAR at a respectable 47%.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. SegReConcat: A Data Augmentation Method for Voice Anonymization Attack

    cs.SD 2025-08 conditional novelty 6.0 of 10

    SegReConcat, a word-shuffle-and-concatenate augmentation, improves attacker speaker verification against five of seven voice anonymization systems in the VPAC 2024 benchmark.

  2. Exploiting Context-dependent Duration Features for Voice Anonymization Attack Systems

    cs.SD 2025-07 conditional novelty 6.0 of 10

    A context-dependent encoding of phoneme durations identifies speakers far better than average-duration vectors and remains effective on anonymized speech without retraining on anonymized data.

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