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We introduce LinearVC, a simple voice conversion method that sheds light on the structure of self-supervised representations. First, we show that simple linear transformations of self-supervised features effectively convert voices. Next, we…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-03 Herman Kamper , Benjamin van Niekerk , Julian Zaïdi , Marc-André Carbonneau

We introduce MaskVCT, a zero-shot voice conversion (VC) model that offers multi-factor controllability through multiple classifier-free guidances (CFGs). While previous VC models rely on a fixed conditioning scheme, MaskVCT integrates…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-12 Junhyeok Lee , Helin Wang , Yaohan Guan , Thomas Thebaud , Laureano Moro-Velazquez , Jesús Villalba , Najim Dehak

In this paper, we introduce the discrete optimal transport voice conversion ($k$DOT-VC) method. Comparison with $k$NN-VC, SinkVC, and Gaussian optimal transport (MKL) demonstrates stronger domain adaptation abilities of our method. We use…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-20 Anton Selitskiy , Akib Shahriyar , Jishnuraj Prakasan

Unsupervised Zero-Shot Voice Conversion (VC) aims to modify the speaker characteristic of an utterance to match an unseen target speaker without relying on parallel training data. Recently, self-supervised learning of speech representation…

Sound · Computer Science 2022-02-14 Trung Dang , Dung Tran , Peter Chin , Kazuhito Koishida

In this work, we address the task of voice conversion (VC) using a vector-based interface. To align audio embeddings across speakers, we employ discrete optimal transport (OT) and approximate the transport map using the barycentric…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-02 Anton Selitskiy , Maitreya Kocharekar

Any-to-any voice conversion aims to transform source speech into a target voice with just a few examples of the target speaker as a reference. Recent methods produce convincing conversions, but at the cost of increased complexity -- making…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-31 Matthew Baas , Benjamin van Niekerk , Herman Kamper

This paper introduces an efficient Vision-Language Model (VLM) pipeline specifically optimized for deployment on embedded devices, such as those used in robotics and autonomous driving. The pipeline significantly reduces the computational…

Machine Learning · Computer Science 2025-11-04 Jin Huang , Yuchao Jin , Le An , Josh Park

The development of monolingual language models for low and mid-resource languages continues to be hindered by the difficulty in sourcing high-quality training data. In this study, we present a novel cross-lingual vocabulary transfer…

Computation and Language · Computer Science 2024-08-09 François Remy , Pieter Delobelle , Hayastan Avetisyan , Alfiya Khabibullina , Miryam de Lhoneux , Thomas Demeester

Building cross-lingual voice conversion (VC) systems for multiple speakers and multiple languages has been a challenging task for a long time. This paper describes a parallel non-autoregressive network to achieve bilingual and code-switched…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-23 Yaogen Yang , Haozhe Zhang , Xiaoyi Qin , Shanshan Liang , Huahua Cui , Mingyang Xu , Ming Li

Cross-lingual voice conversion (CLVC) is a quite challenging task since the source and target speakers speak different languages. This paper proposes a CLVC framework based on bottleneck features and deep neural network (DNN). In the…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-12 M Kiran Reddy , K Sreenivasa Rao

Previous Sign Language Translation (SLT) methods achieve superior performance by relying on gloss annotations. However, labeling high-quality glosses is a labor-intensive task, which limits the further development of SLT. Although some…

Computation and Language · Computer Science 2024-03-20 Zhigang Chen , Benjia Zhou , Jun Li , Jun Wan , Zhen Lei , Ning Jiang , Quan Lu , Guoqing Zhao

In this paper, we propose a speaker-verification system based on maximum likelihood linear regression (MLLR) super-vectors, for which speakers are characterized by m-vectors. These vectors are obtained by a uniform segmentation of the…

Sound · Computer Science 2016-05-13 A. K. Sarkar , C. Barras , V. B. Le , D. Matrouf

Recently, neural network-based methods for computing optimal transport maps have been effectively applied to style transfer problems. However, the application of these methods to voice conversion is underexplored. In our paper, we fill this…

The choice of token vocabulary affects the performance of machine translation. This paper aims to figure out what is a good vocabulary and whether one can find the optimal vocabulary without trial training. To answer these questions, we…

Computation and Language · Computer Science 2021-11-29 Jingjing Xu , Hao Zhou , Chun Gan , Zaixiang Zheng , Lei Li

This paper presents a low-latency real-time (LLRT) non-parallel voice conversion (VC) framework based on cyclic variational autoencoder (CycleVAE) and multiband WaveRNN with data-driven linear prediction (MWDLP). CycleVAE is a robust…

Sound · Computer Science 2021-07-06 Patrick Lumban Tobing , Tomoki Toda

Nonnegative Matrix Factorization (NMF) is a versatile and powerful tool for discovering latent structures in data matrices, with many variations proposed in the literature. Recently, Leplat et al.\@ (2019) introduced a minimum-volume NMF…

Machine Learning · Statistics 2023-09-26 Duc Toan Nguyen , Eric C. Chi

The ConditionaL Neural Network (CLNN) exploits the nature of the temporal sequencing of the sound signal represented in a spectrogram, and its variant the Masked ConditionaL Neural Network (MCLNN) induces the network to learn in frequency…

Machine Learning · Computer Science 2019-04-30 Fady Medhat , David Chesmore , John Robinson

In recent years, end-to-end (E2E) based automatic speech recognition (ASR) systems have achieved great success due to their simplicity and promising performance. Neural Transducer based models are increasingly popular in streaming E2E based…

Computation and Language · Computer Science 2021-10-19 Xie Chen , Zhong Meng , Sarangarajan Parthasarathy , Jinyu Li

Over the past two decades, CNN architectures have produced compelling models of sound perception and cognition, learning hierarchical organizations of features. Analogous to successes in computer vision, audio feature classification can be…

Sound · Computer Science 2025-05-13 Prateek Verma , Jonathan Berger

We propose Universal Speech Content Factorization (USCF), a simple and invertible linear method for extracting a low-rank speech representation in which speaker timbre is suppressed while phonetic content is preserved. USCF extends Speech…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-11 Henry Li Xinyuan , Zexin Cai , Lin Zhang , Leibny Paola García-Perera , Berrak Sisman , Sanjeev Khudanpur , Nicholas Andrews , Matthew Wiesner
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