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Most existing neural-based text-to-speech methods rely on extensive datasets and face challenges under low-resource condition. In this paper, we introduce a novel semi-supervised text-to-speech synthesis model that learns from both paired…

Sound · Computer Science 2024-02-05 Jianzong Wang , Pengcheng Li , Xulong Zhang , Ning Cheng , Jing Xiao

High-fidelity neural audio codecs in Text-to-speech (TTS) aim to compress speech signals into discrete representations for faithful reconstruction. However, prior approaches faced challenges in effectively disentangling acoustic and…

Sound · Computer Science 2025-09-23 Ruonan Zhang , Xiaoyang Hao , Yichen Han , Junjie Cao , Yue Liu , Kai Zhang

This paper proposes a novel semi-supervised TTS framework, QS-TTS, to improve TTS quality with lower supervised data requirements via Vector-Quantized Self-Supervised Speech Representation Learning (VQ-S3RL) utilizing more unlabeled speech…

Sound · Computer Science 2023-09-04 Haohan Guo , Fenglong Xie , Jiawen Kang , Yujia Xiao , Xixin Wu , Helen Meng

Existing autoregressive large-scale text-to-speech (TTS) models have advantages in speech naturalness, but their token-by-token generation mechanism makes it difficult to precisely control the duration of synthesized speech. This becomes a…

Computation and Language · Computer Science 2025-09-04 Siyi Zhou , Yiquan Zhou , Yi He , Xun Zhou , Jinchao Wang , Wei Deng , Jingchen Shu

Most text-to-speech (TTS) methods use high-quality speech corpora recorded in a well-designed environment, incurring a high cost for data collection. To solve this problem, existing noise-robust TTS methods are intended to use noisy speech…

Sound · Computer Science 2022-06-30 Takaaki Saeki , Kentaro Tachibana , Ryuichi Yamamoto

Text-to-Speech (TTS) synthesis using deep learning relies on voice quality. Modern TTS models are advanced, but they need large amount of data. Given the growing computational complexity of these models and the scarcity of large,…

Sound · Computer Science 2023-10-10 Ze Liu

Advances in speech representation and large language models have enhanced zero-shot text-to-speech (TTS) performance. However, existing zero-shot TTS models face challenges in capturing the complex correlations between acoustic and semantic…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-29 Jingyuan Xing , Zhipeng Li , Jialong Mai , Xiaofen Xing , Xiangmin Xu

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

Recent advances in Text-To-Speech (TTS) synthesis have seen the popularity of multi-stage approaches that first predict semantic tokens and then generate acoustic tokens. In this paper, we extend the coarse-to-fine generation paradigm to…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-30 Jianbo Ma , Richard Cartwright

Although neural end-to-end text-to-speech models can synthesize highly natural speech, there is still room for improvements to its efficiency and naturalness. This paper proposes a non-autoregressive neural text-to-speech model augmented…

Sound · Computer Science 2020-10-23 Isaac Elias , Heiga Zen , Jonathan Shen , Yu Zhang , Ye Jia , Ron Weiss , Yonghui Wu

Current end-to-end autoregressive TTS systems (e.g. Tacotron 2) have outperformed traditional parallel approaches on the quality of synthesized speech. However, they introduce new problems at the same time. Due to the autoregressive nature,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-07 Yahuan Cong , Ran Zhang , Jian Luan

Text-to-Speech (TTS) systems face ongoing challenges in processing complex linguistic features, handling polyphonic expressions, and producing natural-sounding multilingual speech - capabilities that are crucial for future AI applications.…

Sound · Computer Science 2024-11-12 Shijia Liao , Yuxuan Wang , Tianyu Li , Yifan Cheng , Ruoyi Zhang , Rongzhi Zhou , Yijin Xing

Text-to-speech synthesis (TTS) has witnessed rapid progress in recent years, where neural methods became capable of producing audios with high naturalness. However, these efforts still suffer from two types of latencies: (a) the {\em…

Computation and Language · Computer Science 2020-10-08 Mingbo Ma , Baigong Zheng , Kaibo Liu , Renjie Zheng , Hairong Liu , Kainan Peng , Kenneth Church , Liang Huang

Recent neural text-to-speech (TTS) models with fine-grained latent features enable precise control of the prosody of synthesized speech. Such models typically incorporate a fine-grained variational autoencoder (VAE) structure, extracting…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-11 Guangzhi Sun , Yu Zhang , Ron J. Weiss , Yuan Cao , Heiga Zen , Andrew Rosenberg , Bhuvana Ramabhadran , Yonghui Wu

Current text to speech (TTS) systems usually leverage a cascaded acoustic model and vocoder pipeline with mel-spectrograms as the intermediate representations, which suffer from two limitations: 1) the acoustic model and vocoder are…

Sound · Computer Science 2022-07-12 Yanqing Liu , Ruiqing Xue , Lei He , Xu Tan , Sheng Zhao

Recent advances in generative language modeling applied to discrete speech tokens presented a new avenue for text-to-speech (TTS) synthesis. These speech language models (SLMs), similarly to their textual counterparts, are scalable,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-05-17 Siyang Wang , Éva Székely

Artificial speech synthesis has made a great leap in terms of naturalness as recent Text-to-Speech (TTS) systems are capable of producing speech with similar quality to human recordings. However, not all speaking styles are easy to model:…

Speech-to-text alignment is a critical component of neural textto-speech (TTS) models. Autoregressive TTS models typically use an attention mechanism to learn these alignments on-line. However, these alignments tend to be brittle and often…

Sound · Computer Science 2021-08-25 Rohan Badlani , Adrian Łancucki , Kevin J. Shih , Rafael Valle , Wei Ping , Bryan Catanzaro

In speech processing pipelines, improving the quality and intelligibility of real-world recordings is crucial. While supervised regression is the primary method for speech enhancement, audio tokenization is emerging as a promising…

Sound · Computer Science 2025-07-18 Luca Della Libera , Cem Subakan , Mirco Ravanelli

Scaling text-to-speech (TTS) with autoregressive language model (LM) to large-scale datasets by quantizing waveform into discrete speech tokens is making great progress to capture the diversity and expressiveness in human speech, but the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-10 Chong Zhang , Yanqing Liu , Yang Zheng , Sheng Zhao