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Related papers: F5R-TTS: Improving Flow-Matching based Text-to-Spe…

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In this technical report, we describe our submission for the WildSpoof Challenge TTS Track: Text-to-Speech with In-the-Wild Data. We introduce F5-TTS-DPS, a model built upon the F5-TTS architecture. Our approach integrates Exponential…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-25 Renhe Sun , Jiayi Zhou , Haolin He , Yueying Feng , Jian Liu

In this paper, we propose a text-to-speech (TTS)-driven data augmentation method for improving the quality of a non-autoregressive (AR) TTS system. Recently proposed non-AR models, such as FastSpeech 2, have successfully achieved fast…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-27 Min-Jae Hwang , Ryuichi Yamamoto , Eunwoo Song , Jae-Min Kim

Recent studies have demonstrated the efficacy of integrating Group Relative Policy Optimization (GRPO) into flow matching models, particularly for text-to-image and text-to-video generation. However, we find that directly applying these…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Jin Wang , Jianxiang Lu , Guangzheng Xu , Comi Chen , Haoyu Yang , Linqing Wang , Peng Chen , Mingtao Chen , Zhichao Hu , Longhuang Wu , Shuai Shao , Qinglin Lu , Ping Luo

High-quality and intelligible speech is essential to text-to-speech (TTS) model training, however, obtaining high-quality data for low-resource languages is challenging and expensive. Applying speech enhancement on Automatic Speech…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-20 Zhaoheng Ni , Sravya Popuri , Ning Dong , Kohei Saijo , Xiaohui Zhang , Gael Le Lan , Yangyang Shi , Vikas Chandra , Changhan Wang

Few-shot speaker adaptation is a specific Text-to-Speech (TTS) system that aims to reproduce a novel speaker's voice with a few training data. While numerous attempts have been made to the few-shot speaker adaptation system, there is still…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-17 Ji-Hoon Kim , Sang-Hoon Lee , Ji-Hyun Lee , Hong-Gyu Jung , Seong-Whan Lee

Scaling Text-to-speech (TTS) to large-scale datasets has been demonstrated as an effective method for improving the diversity and naturalness of synthesized speech. At the high level, previous large-scale TTS models can be categorized into…

This work proposes GLM-TTS, a production-level TTS system designed for efficiency, controllability, and high-fidelity speech generation. GLM-TTS follows a two-stage architecture, consisting of a text-to-token autoregressive model and a…

With the advancement of speech synthesis technology, users have higher expectations for the naturalness and expressiveness of synthesized speech. But previous research ignores the importance of prompt selection. This study proposes a…

Sound · Computer Science 2025-04-15 Dan Luo , Chengyuan Ma , Weiqin Li , Jun Wang , Wei Chen , Zhiyong Wu

In this paper, we investigate the semi-supervised joint training of text to speech (TTS) and automatic speech recognition (ASR), where a small amount of paired data and a large amount of unpaired text data are available. Conventional…

Sound · Computer Science 2022-07-12 Naoki Makishima , Satoshi Suzuki , Atsushi Ando , Ryo Masumura

We propose Shallow Flow Matching (SFM), a novel mechanism that enhances flow matching (FM)-based text-to-speech (TTS) models within a coarse-to-fine generation paradigm. Unlike conventional FM modules, which use the coarse representations…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-24 Dong Yang , Yiyi Cai , Yuki Saito , Lixu Wang , Hiroshi Saruwatari

The zero-shot text-to-speech (TTS) method, based on speaker embeddings extracted from reference speech using self-supervised learning (SSL) speech representations, can reproduce speaker characteristics very accurately. However, this…

The rapid development of neural text-to-speech (TTS) systems enabled its usage in other areas of natural language processing such as automatic speech recognition (ASR) or spoken language translation (SLT). Due to the large number of…

Computation and Language · Computer Science 2024-08-01 Nick Rossenbach , Ralf Schlüter , Sakriani Sakti

Text to speech (TTS) and automatic speech recognition (ASR) are two dual tasks in speech processing and both achieve impressive performance thanks to the recent advance in deep learning and large amount of aligned speech and text data.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Yi Ren , Xu Tan , Tao Qin , Sheng Zhao , Zhou Zhao , Tie-Yan Liu

Text-to-speech (TTS) systems offer the opportunity to compensate for a hearing loss at the source rather than correcting for it at the receiving end. This removes limitations such as time constraints for algorithms that amplify a sound in a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-23 Josef Schlittenlacher , Thomas Baer

While automatic speech recognition (ASR) systems have achieved remarkable performance with large-scale datasets, their efficacy remains inadequate in low-resource settings, encompassing dialects, accents, minority languages, and long-tail…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-23 Guanrou Yang , Fan Yu , Ziyang Ma , Zhihao Du , Zhifu Gao , Shiliang Zhang , Xie Chen

Neural Text-to-Speech (TTS) systems find broad applications in voice assistants, e-learning, and audiobook creation. The pursuit of modern models, like Diffusion Models (DMs), holds promise for achieving high-fidelity, real-time speech…

Sound · Computer Science 2024-04-02 Xiang Li , Fan Bu , Ambuj Mehrish , Yingting Li , Jiale Han , Bo Cheng , Soujanya Poria

Text-to-Speech (TTS) models have advanced significantly, aiming to accurately replicate human speech's diversity, including unique speaker identities and linguistic nuances. Despite these advancements, achieving an optimal balance between…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-28 Jinhyeok Yang , Junhyeok Lee , Hyeong-Seok Choi , Seunghun Ji , Hyeongju Kim , Juheon Lee

Transformer-based text to speech (TTS) model (e.g., Transformer TTS~\cite{li2019neural}, FastSpeech~\cite{ren2019fastspeech}) has shown the advantages of training and inference efficiency over RNN-based model (e.g.,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-04 Mingjian Chen , Xu Tan , Yi Ren , Jin Xu , Hao Sun , Sheng Zhao , Tao Qin , Tie-Yan Liu

Group Relative Policy Optimization (GRPO) has recently shown strong performance in post-training large language models and vision-language models. It raises a question of whether the GRPO also significantly promotes the test-time adaptation…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Yujun Li , Hongyuan Zhang , Yuan Yuan

Supervised fine-tuning (SFT) has emerged as one of the most effective ways to improve the performance of large language models (LLMs) in downstream tasks. However, SFT can have difficulty generalizing when the underlying data distribution…

Computation and Language · Computer Science 2025-12-15 Mrinal Rawat , Arkajyoti Chakraborty , Neha Gupta , Roberto Pieraccini