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We propose a lightweight end-to-end text-to-speech model using multi-band generation and inverse short-time Fourier transform. Our model is based on VITS, a high-quality end-to-end text-to-speech model, but adopts two changes for more…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-22 Masaya Kawamura , Yuma Shirahata , Ryuichi Yamamoto , Kentaro Tachibana

Generative target speaker extraction (TSE) methods often produce more natural outputs than predictive models. Recent work based on diffusion or flow matching (FM) typically relies on a small, fixed number of reverse steps with a fixed step…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-21 Tsun-An Hsieh , Minje Kim

Recent progress in text-to-music generation has enabled models to synthesize high-quality musical segments, full compositions, and even respond to fine-grained control signals, e.g. chord progressions. State-of-the-art (SOTA) systems differ…

Sound · Computer Science 2025-09-05 Or Tal , Felix Kreuk , Yossi Adi

Text-to-speech (TTS) synthesis is the process of producing synthesized speech from text or phoneme input. Traditional TTS models contain multiple processing steps and require external aligners, which provide attention alignments of…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-08 Hyunseung Chung , Sang-Hoon Lee , Seong-Whan Lee

Recent advances in generative machine learning models rekindled research interest in the area of password guessing. Data-driven password guessing approaches based on GANs, language models and deep latent variable models have shown…

Cryptography and Security · Computer Science 2021-12-15 Giulio Pagnotta , Dorjan Hitaj , Fabio De Gaspari , Luigi V. Mancini

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

Previous works (Donahue et al., 2018a; Engel et al., 2019a) have found that generating coherent raw audio waveforms with GANs is challenging. In this paper, we show that it is possible to train GANs reliably to generate high quality…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-10 Kundan Kumar , Rithesh Kumar , Thibault de Boissiere , Lucas Gestin , Wei Zhen Teoh , Jose Sotelo , Alexandre de Brebisson , Yoshua Bengio , Aaron Courville

The task of Mel vocoding, i.e., the inversion of a Mel magnitude spectrogram to an audio waveform, is still a key component in many text-to-speech (TTS) systems today. Based on generative flow matching, our prior work on generative STFT…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-19 Simon Welker , Tal Peer , Timo Gerkmann

In this work, we propose "global style tokens" (GSTs), a bank of embeddings that are jointly trained within Tacotron, a state-of-the-art end-to-end speech synthesis system. The embeddings are trained with no explicit labels, yet learn to…

Computation and Language · Computer Science 2018-03-28 Yuxuan Wang , Daisy Stanton , Yu Zhang , RJ Skerry-Ryan , Eric Battenberg , Joel Shor , Ying Xiao , Fei Ren , Ye Jia , Rif A. Saurous

Recent developments in neural networks have led to the advance in data-to-text generation. However, the lack of ability of neural models to control the structure of generated output can be limiting in certain real-world applications. In…

Computation and Language · Computer Science 2021-09-01 Yixuan Su , David Vandyke , Sihui Wang , Yimai Fang , Nigel Collier

The diffusion models including Denoising Diffusion Probabilistic Models (DDPM) and score-based generative models have demonstrated excellent performance in speech synthesis tasks. However, its effectiveness comes at the cost of numerous…

Sound · Computer Science 2024-02-01 Wenhao Guan , Qi Su , Haodong Zhou , Shiyu Miao , Xingjia Xie , Lin Li , Qingyang Hong

The growing demand for text-to-image generation has led to rapid advances in generative modeling. Recently, text-to-image diffusion models trained with flow matching algorithms, such as FLUX, have achieved remarkable progress and emerged as…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Zikai Zhou , Muyao Wang , Shitong Shao , Lichen Bai , Haoyi Xiong , Bo Han , Zeke Xie

Diffusion models create data from noise by inverting the forward paths of data towards noise and have emerged as a powerful generative modeling technique for high-dimensional, perceptual data such as images and videos. Rectified flow is a…

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

Attention based neural TTS is elegant speech synthesis pipeline and has shown a powerful ability to generate natural speech. However, it is still not robust enough to meet the stability requirements for industrial products. Besides, it…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-03 Qiao Tian , Zewang Zhang , Chao Liu , Heng Lu , Linghui Chen , Bin Wei , Pujiang He , Shan Liu

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…

Inspired by recent work on neural network image generation which rely on backpropagation towards the network inputs, we present a proof-of-concept system for speech texture synthesis and voice conversion based on two mechanisms: approximate…

Sound · Computer Science 2018-03-09 Jan Chorowski , Ron J. Weiss , Rif A. Saurous , Samy Bengio

This paper introduces DiFlow-TTS, a novel zero-shot text-to-speech (TTS) system that employs discrete flow matching for generative speech modeling. We position this work as an entry point that may facilitate further advances in this…

Speech synthesis technology has witnessed significant advancements in recent years, enabling the creation of natural and expressive synthetic speech. One area of particular interest is the generation of synthetic child speech, which…

Sound · Computer Science 2023-11-09 Rishabh Jain , Peter Corcoran

Recent advances in large language models (LLMs) have enabled breakthroughs in many multimodal generation tasks, but a significant performance gap still exists in text-to-motion generation, where LLM-based methods lag far behind non-LLM…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Chuhao Jin , Haosen Li , Bingzi Zhang , Che Liu , Xiting Wang , Ruihua Song , Wenbing Huang , Ying Qin , Fuzheng Zhang , Di Zhang