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Several recently proposed text-to-speech (TTS) models achieved to generate the speech samples with the human-level quality in the single-speaker and multi-speaker TTS scenarios with a set of pre-defined speakers. However, synthesizing a new…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-23 Byoung Jin Choi , Myeonghun Jeong , Minchan Kim , Sung Hwan Mun , Nam Soo Kim

Diffusion models have significantly improved the quality and diversity of audio generation but are hindered by slow inference speed. Rectified flow enhances inference speed by learning straight-line ordinary differential equation (ODE)…

Sound · Computer Science 2025-05-29 Junqi Zhao , Jinzheng Zhao , Haohe Liu , Yun Chen , Lu Han , Xubo Liu , Mark Plumbley , Wenwu Wang

In this paper, we present a Diffusion GAN based approach (Prosodic Diff-TTS) to generate the corresponding high-fidelity speech based on the style description and content text as an input to generate speech samples within only 4 denoising…

Sound · Computer Science 2023-10-30 Neeraj Kumar , Ankur Narang , Brejesh Lall

Diffusion models have shown promising results in speech enhancement, using a task-adapted diffusion process for the conditional generation of clean speech given a noisy mixture. However, at test time, the neural network used for score…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-17 Bunlong Lay , Jean-Marie Lemercier , Julius Richter , Timo Gerkmann

We introduce SupertonicTTS, a novel text-to-speech (TTS) system designed for efficient and streamlined speech synthesis. SupertonicTTS comprises three components: a speech autoencoder for continuous latent representation, a text-to-latent…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-24 Hyeongju Kim , Jinhyeok Yang , Yechan Yu , Seunghun Ji , Jacob Morton , Frederik Bous , Joon Byun , Juheon Lee

In recent years, speech diffusion models have advanced rapidly. Alongside the widely used U-Net architecture, transformer-based models such as the Diffusion Transformer (DiT) have also gained attention. However, current DiT speech models…

Producing synthetic voice, similar to human-like sound, is an emerging novelty of modern interactive media systems. Text-To-Speech (TTS) systems try to generate synthetic and authentic voices via text input. Besides, well known and familiar…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-24 Mohammad Reza Hasanabadi

Recently, text-to-image models have been thriving. Despite their powerful generative capacity, our research has uncovered a lack of robustness in this generation process. Specifically, the introduction of small perturbations to the text…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Chengbin Du , Yanxi Li , Zhongwei Qiu , Chang Xu

High-resolution computed tomography (CT) imaging is essential for medical diagnosis but requires increased radiation exposure, creating a critical trade-off between image quality and patient safety. While deep learning methods have shown…

Image and Video Processing · Electrical Eng. & Systems 2025-06-16 Chunlei Li , Yilei Shi , Haoxi Hu , Jingliang Hu , Xiao Xiang Zhu , Lichao Mou

Speech super-resolution (SR) reconstructs high-fidelity wideband speech from low-resolution inputs-a task that necessitates reconciling global harmonic coherence with local transient sharpness. While diffusion-based generative models yield…

Sound · Computer Science 2026-01-01 Jiajun Yuan , Xiaochen Wang , Yuhang Xiao , Yulin Wu , Chenhao Hu , Xueyang Lv

Automatic detection of speech dysfluency aids speech-language pathologists in efficient transcription of disordered speech, enhancing diagnostics and treatment planning. Traditional methods, often limited to classification, provide…

Diffusion-based text-to-speech (TTS) systems have made remarkable progress in zero-shot speech synthesis, yet optimizing all components for perceptual metrics remains challenging. Prior work with DMOSpeech demonstrated direct metric…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-22 Yinghao Aaron Li , Xilin Jiang , Fei Tao , Cheng Niu , Kaifeng Xu , Juntong Song , Nima Mesgarani

Generative image modeling enables a wide range of applications but raises ethical concerns about responsible deployment. This paper introduces an active strategy combining image watermarking and Latent Diffusion Models. The goal is for all…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Pierre Fernandez , Guillaume Couairon , Hervé Jégou , Matthijs Douze , Teddy Furon

While neural end-to-end text-to-speech (TTS) is superior to conventional statistical methods in many ways, the exposure bias problem in the autoregressive models remains an issue to be resolved. The exposure bias problem arises from the…

Computation and Language · Computer Science 2020-02-21 Rui Liu , Berrak Sisman , Jingdong Li , Feilong Bao , Guanglai Gao , Haizhou Li

We present DiffusionBERT, a new generative masked language model based on discrete diffusion models. Diffusion models and many pre-trained language models have a shared training objective, i.e., denoising, making it possible to combine the…

Computation and Language · Computer Science 2022-12-02 Zhengfu He , Tianxiang Sun , Kuanning Wang , Xuanjing Huang , Xipeng Qiu

Continuous autoregressive speech synthesis has recently emerged as a promising direction for zero-shot text-to-speech (TTS). However, existing methods still suffer from a fundamental mismatch between semantic-prosodic modeling and…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-19 Huimeng Wang , Hui Lu , Jiajun Deng , Haoning Xu , Youjun Chen , Xueyuan Chen , Zhaoqing Li , Shuhai Peng , Shiyin Kang , Xunying Liu

Recently, there has been significant progress in the development of large models. Following the success of ChatGPT, numerous language models have been introduced, demonstrating remarkable performance. Similar advancements have also been…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Tianyi Zhang , Zheng Wang , Jing Huang , Mohiuddin Muhammad Tasnim , Wei Shi

Modern zero-shot text-to-speech (TTS) models offer unprecedented expressivity but also pose serious crime risks, as they can synthesize voices of individuals who never consented. In this context, speaker unlearning aims to prevent the…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-29 Myungjin Lee , Eunji Shin , Jiyoung Lee

By lifting the pre-trained 2D diffusion models into Neural Radiance Fields (NeRFs), text-to-3D generation methods have made great progress. Many state-of-the-art approaches usually apply score distillation sampling (SDS) to optimize the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Yuze He , Yushi Bai , Matthieu Lin , Jenny Sheng , Yubin Hu , Qi Wang , Yu-Hui Wen , Yong-Jin Liu

Diffusion models have greatly improved visual generation but are hindered by slow generation speed due to the computationally intensive nature of solving generative ODEs. Rectified flow, a widely recognized solution, improves generation…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Fu-Yun Wang , Ling Yang , Zhaoyang Huang , Mengdi Wang , Hongsheng Li
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