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Identity-preserving text-to-video (IPT2V) generation aims to create high-fidelity videos with consistent human identity. It is an important task in video generation but remains an open problem for generative models. This paper pushes the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Shenghai Yuan , Jinfa Huang , Xianyi He , Yunyuan Ge , Yujun Shi , Liuhan Chen , Jiebo Luo , Li Yuan

Text-to-speech (TTS) synthesis has seen renewed progress under the discrete modeling paradigm. Existing autoregressive approaches often rely on single-codebook representations, which suffer from significant information loss. Even with…

Token-based text-to-speech (TTS) models have emerged as a promising avenue for generating natural and realistic speech, yet they grapple with low pronunciation accuracy, speaking style and timbre inconsistency, and a substantial need for…

Sound · Computer Science 2024-03-12 Chunhui Wang , Chang Zeng , Bowen Zhang , Ziyang Ma , Yefan Zhu , Zifeng Cai , Jian Zhao , Zhonglin Jiang , Yong Chen

We present LongCat-AudioDiT, a novel, non-autoregressive diffusion-based text-to-speech (TTS) model that achieves state-of-the-art (SOTA) performance. Unlike previous methods that rely on intermediate acoustic representations such as…

Sound · Computer Science 2026-04-01 Detai Xin , Shujie Hu , Chengzuo Yang , Chen Huang , Guoqiao Yu , Guanglu Wan , Xunliang Cai

Given a piece of text, a video clip and a reference audio, the movie dubbing (also known as visual voice clone V2C) task aims to generate speeches that match the speaker's emotion presented in the video using the desired speaker voice as…

Computation and Language · Computer Science 2023-04-05 Gaoxiang Cong , Liang Li , Yuankai Qi , Zhengjun Zha , Qi Wu , Wenyu Wang , Bin Jiang , Ming-Hsuan Yang , Qingming Huang

This work introduces TTS-Transducer - a novel architecture for text-to-speech, leveraging the strengths of audio codec models and neural transducers. Transducers, renowned for their superior quality and robustness in speech recognition, are…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-16 Vladimir Bataev , Subhankar Ghosh , Vitaly Lavrukhin , Jason Li

We present VoiceDiT, a multi-modal generative model for producing environment-aware speech and audio from text and visual prompts. While aligning speech with text is crucial for intelligible speech, achieving this alignment in noisy…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-30 Jaemin Jung , Junseok Ahn , Chaeyoung Jung , Tan Dat Nguyen , Youngjoon Jang , Joon Son Chung

In low-bitrate speech coding, end-to-end speech coding networks aim to learn compact yet expressive features and a powerful decoder in a single network. A challenging problem as such results in unwelcome complexity increase and inferior…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-16 Haici Yang , Inseon Jang , Minje Kim

This paper proposes visual-text to speech (vTTS), a method for synthesizing speech from visual text (i.e., text as an image). Conventional TTS converts phonemes or characters into discrete symbols and synthesizes a speech waveform from…

Despite rapid progress in the voice style transfer (VST) field, recent zero-shot VST systems still lack the ability to transfer the voice style of a novel speaker. In this paper, we present HierVST, a hierarchical adaptive end-to-end…

Sound · Computer Science 2023-08-01 Sang-Hoon Lee , Ha-Yeong Choi , Hyung-Seok Oh , Seong-Whan Lee

We propose a novel two-stage text-to-speech (TTS) framework with two types of discrete tokens, i.e., semantic and acoustic tokens, for high-fidelity speech synthesis. It features two core components: the Interpreting module, which processes…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-26 Joun Yeop Lee , Myeonghun Jeong , Minchan Kim , Ji-Hyun Lee , Hoon-Young Cho , Nam Soo Kim

Neural text-to-speech (TTS) synthesis can generate speech that is indistinguishable from natural speech. However, the synthetic speech often represents the average prosodic style of the database instead of having more versatile prosodic…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-24 Tuomo Raitio , Jiangchuan Li , Shreyas Seshadri

We propose a novel text-to-speech (TTS) framework centered around a neural transducer. Our approach divides the whole TTS pipeline into semantic-level sequence-to-sequence (seq2seq) modeling and fine-grained acoustic modeling stages,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-28 Minchan Kim , Myeonghun Jeong , Byoung Jin Choi , Semin Kim , Joun Yeop Lee , Nam Soo Kim

Co-speech gesture video synthesis is a challenging task that requires both probabilistic modeling of human gestures and the synthesis of realistic images that align with the rhythmic nuances of speech. To address these challenges, we…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Yasheng Sun , Zhiliang Xu , Hang Zhou , Jiazhi Guan , Quanwei Yang , Kaisiyuan Wang , Borong Liang , Yingying Li , Haocheng Feng , Jingdong Wang , Ziwei Liu , Koike Hideki

Generative models for speech synthesis face a fundamental trade-off: discrete tokens ensure stability but sacrifice expressivity, while continuous signals retain acoustic richness but suffer from error accumulation due to task entanglement.…

Audio codecs are a critical component of modern speech generation systems. This paper introduces a low-bitrate, multi-scale residual codec that encodes speech into four distinct streams: semantic, timbre, prosody, and residual. This…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-25 Jingyu Li , Guangyan Zhang , Zhen Ye , Yiwen Guo

Vocoders received renewed attention as main components in statistical parametric text-to-speech (TTS) synthesis and speech transformation systems. Even though there are vocoding techniques give almost accepted synthesized speech, their high…

Sound · Computer Science 2021-06-22 Mohammed Salah Al-Radhi , Tamás Gábor Csapó , Géza Németh

The mainstream neural text-to-speech(TTS) pipeline is a cascade system, including an acoustic model(AM) that predicts acoustic feature from the input transcript and a vocoder that generates waveform according to the given acoustic feature.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-25 Chenpeng Du , Yiwei Guo , Xie Chen , Kai Yu

Several fully end-to-end text-to-speech (TTS) models have been proposed that have shown better performance compared to cascade models (i.e., training acoustic and vocoder models separately). However, they often generate unstable pitch…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-23 Yuma Shirahata , Ryuichi Yamamoto , Eunwoo Song , Ryo Terashima , Jae-Min Kim , Kentaro Tachibana

Recent advances in text-to-speech (TTS) have yielded remarkable improvements in naturalness and intelligibility. Building on these achievements, research has increasingly shifted toward enhancing the expressiveness of generated speech, such…

Sound · Computer Science 2025-12-23 Pengchao Feng , Yao Xiao , Ziyang Ma , Zhikang Niu , Shuai Fan , Yao Li , Sheng Wang , Xie Chen