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Voice-enabled interactions provide more human-like experiences in many popular IoT systems. Cloud-based speech analysis services extract useful information from voice input using speech recognition techniques. The voice signal is a rich…

Cryptography and Security · Computer Science 2019-08-13 Ranya Aloufi , Hamed Haddadi , David Boyle

Speaker anonymization systems continue to improve their ability to obfuscate the original speaker characteristics in a speech signal, but often create processing artifacts and unnatural sounding voices as a tradeoff. Many of those systems…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-23 Ünal Ege Gaznepoglu , Nils Peters

Voice conversion for speaker anonymization is an emerging field in speech processing research. Many state-of-the-art approaches are based on the resynthesis of the phoneme posteriorgrams (PPG), the fundamental frequency (F0) of the input…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-14 Ünal Ege Gaznepoglu , Nils Peters

Privacy-preserving voice protection approaches primarily suppress privacy-related information derived from paralinguistic attributes while preserving the linguistic content. Existing solutions focus particularly on single-speaker scenarios.…

Sound · Computer Science 2025-03-28 Xiaoxiao Miao , Ruijie Tao , Chang Zeng , Xin Wang

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…

In contemporary society, voice-controlled devices, such as smartphones and home assistants, have become pervasive due to their advanced capabilities and functionality. The always-on nature of their microphones offers users the convenience…

Cryptography and Security · Computer Science 2023-09-27 Yuchen Liu , Apu Kapadia , Donald Williamson

With the advances in deep learning, speaker verification has achieved very high accuracy and is gaining popularity as a type of biometric authentication option in many scenes of our daily life, especially the growing market of web services.…

Cryptography and Security · Computer Science 2023-07-11 Ke Li , Cameron Baird , Dan Lin

In the era of big data, remarkable advancements have been achieved in personalized speech generation techniques that utilize speaker attributes, including voice and speaking style, to generate deepfake speech. This has also amplified global…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-10 Liping Chen , Kong Aik Lee , Zhen-Hua Ling , Xin Wang , Rohan Kumar Das , Tomoki Toda , Haizhou Li

This paper focuses on using voice conversion (VC) to improve the speech intelligibility of surgical patients who have had parts of their articulators removed. Due to the difficulty of data collection, VC without parallel data is highly…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-26 Li-Wei Chen , Hung-Yi Lee , Yu Tsao

While the use of deep neural networks has significantly boosted speaker recognition performance, it is still challenging to separate speakers in poor acoustic environments. Here speech enhancement methods have traditionally allowed improved…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-28 Yanpei Shi , Qiang Huang , Thomas Hain

Voice conversion technologies have been greatly improved in recent years with the help of deep learning, but their capabilities of producing natural sounding utterances in different conditions remain unclear. In this paper, we gave a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-04 Tzu-hsien Huang , Jheng-hao Lin , Chien-yu Huang , Hung-yi Lee

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

Artificially generated speech is increasingly embedded in everyday life. Voice cloning in particular enables applications where identity preservation is important, such as completing a recording, dubbing in a new language, or preserving the…

Sound · Computer Science 2026-05-28 Kaitlyn Zhou , Federico Bianchi , Martijn Bartelds , Anna Pot , Yongchan Kwon , James Zou

Most recent speech privacy efforts have focused on anonymizing acoustic speaker attributes but there has not been as much research into protecting information from speech content. We introduce a toy problem that explores an emerging type of…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-09 Jennifer Williams , Karla Pizzi , Paul-Gauthier Noe , Sneha Das

Voice User Interfaces (VUIs) are increasingly popular and built into smartphones, home assistants, and Internet of Things (IoT) devices. Despite offering an always-on convenient user experience, VUIs raise new security and privacy concerns…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-07 Ranya Aloufi , Hamed Haddadi , David Boyle

Speaker anonymization aims to conceal cues to speaker identity while preserving linguistic content. Current machine learning based approaches require substantial computational resources, hindering real-time streaming applications. To…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-04 Waris Quamer , Ricardo Gutierrez-Osuna

In this paper, we propose a privacy-preserving method with a secret key for convolutional neural network (CNN)-based speech classification tasks. Recently, many methods related to privacy preservation have been developed in image…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-09 Shoko Niwa , Sayaka Shiota , Hitoshi Kiya

Currently, zero-shot voice conversion systems are capable of synthesizing the voice of unseen speakers. However, most existing approaches struggle to accurately replicate the speaking style of the source speaker or mimic the distinctive…

Sound · Computer Science 2025-06-02 Kaidi Wang , Wenhao Guan , Ziyue Jiang , Hukai Huang , Peijie Chen , Weijie Wu , Qingyang Hong , Lin Li

The rapid advancement of speech generation models has heightened privacy and security concerns related to voice cloning (VC). Recent studies have investigated disrupting unauthorized voice cloning by introducing adversarial perturbations.…

Sound · Computer Science 2025-07-04 Wei Fan , Kejiang Chen , Chang Liu , Weiming Zhang , Nenghai Yu

We introduce a novel method to improve the performance of the VoicePrivacy Challenge 2022 baseline B1 variants. Among the known deficiencies of x-vector-based anonymization systems is the insufficient disentangling of the input features. In…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-01 Ünal Ege Gaznepoglu , Anna Leschanowsky , Nils Peters