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Voice anonymization techniques have been found to successfully obscure a speaker's acoustic identity in short, isolated utterances in benchmarks such as the VoicePrivacy Challenge. In practice, however, utterances seldom occur in isolation:…

Sound · Computer Science 2026-02-05 Cristina Aggazzotti , Ashi Garg , Zexin Cai , Nicholas Andrews

Voice style conversion aims to transform an input utterance to match a target speaker's timbre, accent, and emotion, with a central challenge being the disentanglement of linguistic content from style. While prior work has explored this…

Sound · Computer Science 2026-02-24 Yisi Liu , Nicholas Lee , Gopala Anumanchipalli

Given the speech generation framework that represents the speaker attribute with an embedding vector, asynchronous voice anonymization can be achieved by modifying the speaker embedding derived from the original speech. However, the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-08 Rui Wang , Liping Chen , Kong Aik Lee , Zhengpeng Zha , Zhenhua Ling

Voice anonymization masks vocal traits while preserving linguistic content, which may still leak speaker-specific patterns. To assess and strengthen privacy evaluation, we propose a dual-stream attacker that fuses spectral and…

Sound · Computer Science 2026-03-17 Ridwan Arefeen , Xiaoxiao Miao , Rong Tong , Aik Beng Ng , Simon See , Timothy Liu

Real-time voice conversion and speaker anonymization require causal, low-latency synthesis without sacrificing intelligibility or naturalness. Current systems have a core representational mismatch: content is time-varying, while speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-11 Waris Quamer , Mu-Ruei Tseng , Ghady Nasrallah , Ricardo Gutierrez-Osuna

In our previous work, we proposed a language-independent speaker anonymization system based on self-supervised learning models. Although the system can anonymize speech data of any language, the anonymization was imperfect, and the speech…

Sound · Computer Science 2022-03-29 Xiaoxiao Miao , Xin Wang , Erica Cooper , Junichi Yamagishi , Natalia Tomashenko

Given the increasing privacy concerns from identity theft and the re-identification of speakers through content in the speech field, this paper proposes a prompt-based speech generation pipeline that ensures dual anonymization of both…

Sound · Computer Science 2025-07-11 Belinda Soh Hui Hui , Xiaoxiao Miao , Xin Wang

Speaker anonymization aims to suppress speaker individuality to protect privacy in speech while preserving the other aspects, such as speech content. One effective solution for anonymization is to modify the McAdams coefficient. In this…

Cryptography and Security · Computer Science 2021-07-16 Candy Olivia Mawalim , Masashi Unoki

Streaming voice conversion has become increasingly popular for its potential in real-time applications. The recently proposed DualVC 2 has achieved robust and high-quality streaming voice conversion with a latency of about 180ms.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Ziqian Ning , Shuai Wang , Pengcheng Zhu , Zhichao Wang , Jixun Yao , Lei Xie , Mengxiao Bi

Current speaker anonymization methods, especially with self-supervised learning (SSL) models, require massive computational resources when hiding speaker identity. This paper proposes an effective and parameter-efficient speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-20 Xiaojiao Chen , Sheng Li , Jiyi Li , Hao Huang , Yang Cao , Liang He

Speech data on the Internet are proliferating exponentially because of the emergence of social media, and the sharing of such personal data raises obvious security and privacy concerns. One solution to mitigate these concerns involves…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-08 Jixun Yao , Qing Wang , Yi Lei , Pengcheng Guo , Lei Xie , Namin Wang , Jie Liu

Automatic Speech Recognition (ASR) has seen remarkable progress, with models like OpenAI Whisper and NVIDIA Canary achieving state-of-the-art (SOTA) performance in offline transcription. However, these models are not designed for streaming…

Computation and Language · Computer Science 2026-04-07 Tomer Krichli , Bhiksha Raj , Joseph Keshet

In this work, we propose a speaker anonymization pipeline that leverages high quality automatic speech recognition and synthesis systems to generate speech conditioned on phonetic transcriptions and anonymized speaker embeddings. Using…

Sound · Computer Science 2022-07-12 Sarina Meyer , Florian Lux , Pavel Denisov , Julia Koch , Pascal Tilli , Ngoc Thang Vu

Speaker attribute perturbation offers a feasible approach to asynchronous voice anonymization by employing adversarially perturbed speech as anonymized output. In order to enhance the identity unlinkability among anonymized utterances from…

Sound · Computer Science 2025-08-22 Liping Chen , Chenyang Guo , Rui Wang , Kong Aik Lee , Zhenhua Ling

Automatic speech recognition systems have created exciting possibilities for applications, however they also enable opportunities for systematic eavesdropping. We propose a method to camouflage a person's voice over-the-air from these…

Sound · Computer Science 2022-02-18 Mia Chiquier , Chengzhi Mao , Carl Vondrick

Streaming speech enhancement is a crucial task for real-time applications such as online meetings, smart home appliances, and hearing aids. Deep neural network-based approaches achieve exceptional performance while demanding substantial…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-29 Sunghwan Ahn , Jinmo Han , Beom Jun Woo , Nam Soo Kim

Whisper is one of the recent state-of-the-art multilingual speech recognition and translation models, however, it is not designed for real time transcription. In this paper, we build on top of Whisper and create Whisper-Streaming, an…

Computation and Language · Computer Science 2023-09-22 Dominik Macháček , Raj Dabre , Ondřej Bojar

Adolescent suicide is a critical global health issue, and speech provides a cost-effective modality for automatic suicide risk detection. Given the vulnerable population, protecting speaker identity is particularly important, as speech…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-26 Ziyun Cui , Sike Jia , Yang Lin , Yinan Duan , Diyang Qu , Runsen Chen , Chao Zhang , Chang Lei , Wen Wu

Sharing real-world speech utterances is key to the training and deployment of voice-based services. However, it also raises privacy risks as speech contains a wealth of personal data. Speaker anonymization aims to remove speaker information…

The growing use of voice user interfaces has led to a surge in the collection and storage of speech data. While data collection allows for the development of efficient tools powering most speech services, it also poses serious privacy…

Cryptography and Security · Computer Science 2024-03-04 Pierre Champion