Hearing the Whispers: Black-Box Membership Inference Attacks on Finetuned TTS Models
Text-to-Speech (TTS) foundation models are increasingly fine-tuned on private datasets to synthesize highly personalized voices, introducing severe privacy risks by exposing both biometric identities and sensitive speech content. Existing black-box membership inference attacks (MIAs) follow a two-stage pipeline of quer...
Kun-Lin Cai, Kai-Yuan Zhang, Zihang Xiang et al.
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