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Related papers: Low-latency Real-time Voice Conversion on CPU

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Neural speech synthesis models have recently demonstrated the ability to synthesize high quality speech for text-to-speech and compression applications. These new models often require powerful GPUs to achieve real-time operation, so being…

Audio and Speech Processing · Electrical Eng. & Systems 2019-02-20 Jean-Marc Valin , Jan Skoglund

We introduce a practical real-time neural video codec (NVC) designed to deliver high compression ratio, low latency and broad versatility. In practice, the coding speed of NVCs depends on 1) computational costs, and 2) non-computational…

Image and Video Processing · Electrical Eng. & Systems 2025-03-19 Zhaoyang Jia , Bin Li , Jiahao Li , Wenxuan Xie , Linfeng Qi , Houqiang Li , Yan Lu

Current end-to-end spoken language models (SLMs) have made notable progress, yet they still encounter considerable response latency. This delay primarily arises from the autoregressive generation of speech tokens and the reliance on complex…

Computation and Language · Computer Science 2025-11-14 Yuhao Wang , Ziyang Cheng , Heyang Liu , Ronghua Wu , Qunshan Gu , Yanfeng Wang , Yu Wang

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

Voice Conversion (VC) modifies speech to match a target speaker while preserving linguistic content. Traditional methods usually extract speaker information directly from speech while neglecting the explicit utilization of linguistic…

Multimedia · Computer Science 2025-06-04 Fengjin Li , Jie Wang , Yadong Niu , Yongqing Wang , Meng Meng , Jian Luan , Zhiyong Wu

Emotional Voice Conversion, or emotional VC, is a technique of converting speech from one emotion state into another one, keeping the basic linguistic information and speaker identity. Previous approaches for emotional VC need parallel data…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-09 Songxiang Liu , Yuewen Cao , Helen Meng

We experiment with a low-latency, end-to-end voice-to-voice communication model to optimize it for real-time conversational applications. By analyzing components essential to voice to voice (V-2-V) system viz. automatic speech recognition…

Sound · Computer Science 2025-09-30 Anupam Purwar , Aditya Choudhary

This paper describes a method based on a sequence-to-sequence learning (Seq2Seq) with attention and context preservation mechanism for voice conversion (VC) tasks. Seq2Seq has been outstanding at numerous tasks involving sequence modeling…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-13 Kou Tanaka , Hirokazu Kameoka , Takuhiro Kaneko , Nobukatsu Hojo

This work elaborates on a High performance computing (HPC) architecture based on Simple Linux Utility for Resource Management (SLURM) [1] for deploying heterogeneous Large Language Models (LLMs) into a scalable inference engine. Dynamic…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-26 Anderson de Lima Luiz , Shubham Vijay Kurlekar , Munir Georges

A good audio codec for live applications such as telecommunication is characterized by three key properties: (1) compression, i.e.\ the bitrate that is required to transmit the signal should be as low as possible; (2) latency, i.e.\…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-29 Yi-Chiao Wu , Israel D. Gebru , Dejan Marković , Alexander Richard

This paper proposes a voice conversion (VC) method using sequence-to-sequence (seq2seq or S2S) learning, which flexibly converts not only the voice characteristics but also the pitch contour and duration of input speech. The proposed…

Sound · Computer Science 2020-10-08 Hirokazu Kameoka , Kou Tanaka , Damian Kwasny , Takuhiro Kaneko , Nobukatsu Hojo

This paper proposes a non-autoregressive extension of our previously proposed sequence-to-sequence (S2S) model-based voice conversion (VC) methods. S2S model-based VC methods have attracted particular attention in recent years for their…

Sound · Computer Science 2021-04-15 Hirokazu Kameoka , Kou Tanaka , Takuhiro Kaneko

LLM agents today communicate via text, which incurs considerable latency and information loss due to the need to autoregressively decode the sharer model's state and encode at the receiver model. Recent work such as Cache-to-Cache (C2C; Fu…

Machine Learning · Computer Science 2026-05-25 Maximillian Rossi , Prajwal Raghunath , Eugene Wu

Language model (LM) based audio generation frameworks, e.g., AudioLM, have recently achieved new state-of-the-art performance in zero-shot audio generation. In this paper, we explore the feasibility of LMs for zero-shot voice conversion. An…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-22 Zhichao Wang , Yuanzhe Chen , Lei Xie , Qiao Tian , Yuping Wang

We present a novel approach to any-to-one (A2O) voice conversion (VC) in a sequence-to-sequence (seq2seq) framework. A2O VC aims to convert any speaker, including those unseen during training, to a fixed target speaker. We utilize…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-26 Wen-Chin Huang , Yi-Chiao Wu , Tomoki Hayashi , Tomoki Toda

We propose noise-robust voice conversion (VC) which takes into account the recording quality and environment of noisy source speech. Conventional denoising training improves the noise robustness of a VC model by learning noisy-to-clean VC…

Zero-shot voice conversion (VC) aims to convert a source utterance into the voice of an unseen target speaker while preserving its linguistic content. Although recent systems have improved conversion quality, building zero-shot VC systems…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-23 Qixi Zheng , Yuxiang Zhao , Tianrui Wang , Wenxi Chen , Kele Xu , Yikang Li , Qinyuan Chen , Xipeng Qiu , Kai Yu , Xie Chen

This paper presents an audio-visual approach for voice separation which produces state-of-the-art results at a low latency in two scenarios: speech and singing voice. The model is based on a two-stage network. Motion cues are obtained with…

Sound · Computer Science 2022-07-20 Juan F. Montesinos , Venkatesh S. Kadandale , Gloria Haro

We introduce HybridVC, a voice conversion (VC) framework built upon a pre-trained conditional variational autoencoder (CVAE) that combines the strengths of a latent model with contrastive learning. HybridVC supports text and audio prompts,…

Sound · Computer Science 2024-09-26 Xinlei Niu , Jing Zhang , Charles Patrick Martin

The goal of voice conversion (VC) is to convert input voice to match the target speaker's voice while keeping text and prosody intact. VC is usually used in entertainment and speaking-aid systems, as well as applied for speech data…

Sound · Computer Science 2022-04-01 A. Kashkin , I. Karpukhin , S. Shishkin