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Recent research has proposed approaches that modify speech to defend against gender inference attacks. The goal of these protection algorithms is to control the availability of information about a speaker's gender, a privacy-sensitive…

Audio and Speech Processing · Electrical Eng. & Systems 2023-07-04 Loes van Bemmel , Zhuoran Liu , Nik Vaessen , Martha Larson

Speaker embedding based zero-shot Text-to-Speech (TTS) systems enable high-quality speech synthesis for unseen speakers using minimal data. However, these systems are vulnerable to adversarial attacks, where an attacker introduces…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-07 Ze Li , Yao Shi , Yunfei Xu , Ming Li

The evaluation of voice anonymisation remains challenging. Current practice relies on automatic speaker verification metrics such as the equal error rate (EER). Performance estimates dependent on the classifier and operating point provide…

Speaker anonymization aims to conceal speaker-specific attributes in speech signals, making the anonymized speech unlinkable to the original speaker identity. Recent approaches achieve this by disentangling speech into content and speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-17 Kong Aik Lee , Zeyan Liu , Liping Chen , Zhenhua Ling

Speech data conveys sensitive speaker attributes like identity or accent. With a small amount of found data, such attributes can be inferred and exploited for malicious purposes: voice cloning, spoofing, etc. Anonymization aims to make the…

Computation and Language · Computer Science 2020-02-14 Brij Mohan Lal Srivastava , Nathalie Vauquier , Md Sahidullah , Aurélien Bellet , Marc Tommasi , Emmanuel Vincent

For new participants - Executive summary: (1) The task is to develop a voice anonymization system for speech data which conceals the speaker's voice identity while protecting linguistic content, paralinguistic attributes, intelligibility…

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

The development of privacy-preserving automatic speaker verification systems has been the focus of a number of studies with the intent of allowing users to authenticate themselves without risking the privacy of their voice. However, current…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-28 Francisco Teixeira , Alberto Abad , Bhiksha Raj , Isabel Trancoso

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

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

Speaker de-identification aims to conceal a speaker's identity while preserving intelligibility of the underlying speech. We introduce a benchmark that quantifies residual identity leakage with three complementary error rates: equal error…

Sound · Computer Science 2025-08-20 Seungmin Seo , Oleg Aulov , Afzal Godil , Kevin Mangold

In this work, we address the problem of text anonymization where the goal is to prevent adversaries from correctly inferring private attributes of the author, while keeping the text utility, i.e., meaning and semantics. We propose…

Cryptography and Security · Computer Science 2025-02-04 Ahmed Frikha , Nassim Walha , Krishna Kanth Nakka , Ricardo Mendes , Xue Jiang , Xuebing Zhou

Transcribed datasets typically contain speaker identity for each instance in the data. We investigate two ways to incorporate this information during training: Multi-Task Learning and Adversarial Learning. In multi-task learning, the goal…

Machine Learning · Computer Science 2019-02-15 Yossi Adi , Neil Zeghidour , Ronan Collobert , Nicolas Usunier , Vitaliy Liptchinsky , Gabriel Synnaeve

Privacy and security are major concerns when communicating speech signals to cloud services such as automatic speech recognition (ASR) and speech emotion recognition (SER). Existing solutions for speech anonymization mainly focus on voice…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-31 Minh Tran , Mohammad Soleymani

With the popularity of virtual assistants (e.g., Siri, Alexa), the use of speech recognition is now becoming more and more widespread.However, speech signals contain a lot of sensitive information, such as the speaker's identity, which…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-21 Pierre Champion , Denis Jouvet , Anthony Larcher

Voice anonymization aims to conceal speaker identity and attributes while preserving intelligibility, but current evaluations rely almost exclusively on Equal Error Rate (EER) that obscures whether adversaries can mount high-precision…

Cryptography and Security · Computer Science 2026-01-27 Efthymios Tsaprazlis , Thanathai Lertpetchpun , Tiantian Feng , Sai Praneeth Karimireddy , Shrikanth Narayanan

Previous works have shown that automatic speaker verification (ASV) is seriously vulnerable to malicious spoofing attacks, such as replay, synthetic speech, and recently emerged adversarial attacks. Great efforts have been dedicated to…

Sound · Computer Science 2024-06-06 Haibin Wu , Xu Li , Andy T. Liu , Zhiyong Wu , Helen Meng , Hung-yi Lee

Anonymization of voice seeks to conceal the identity of the speaker while maintaining the utility of speech data. However, residual speaker cues often persist, which pose privacy risks. We propose SegReConcat, a data augmentation method for…

Sound · Computer Science 2025-08-27 Ridwan Arefeen , Xiaoxiao Miao , Rong Tong , Aik Beng Ng , Simon See

Children are one of the most under-represented groups in speech technologies, as well as one of the most vulnerable in terms of privacy. Despite this, anonymization techniques targeting this population have received little attention. In…

Computers and Society · Computer Science 2025-06-05 Ajinkya Kulkarni , Francisco Teixeira , Enno Hermann , Thomas Rolland , Isabel Trancoso , Mathew Magimai Doss

Advances in speech technology now allow unprecedented access to personally identifiable information through speech. To protect such information, the differential privacy field has explored ways to anonymize speech while preserving its…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-06 Zexin Cai , Henry Li Xinyuan , Ashi Garg , Leibny Paola García-Perera , Kevin Duh , Sanjeev Khudanpur , Nicholas Andrews , Matthew Wiesner