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Recently, there has been a growing interest in text-to-speech (TTS) methods that can be trained with minimal supervision by combining two types of discrete speech representations and using two sequence-to-sequence tasks to decouple TTS.…

Sound · Computer Science 2023-12-19 Chunyu Qiang , Hao Li , Hao Ni , He Qu , Ruibo Fu , Tao Wang , Longbiao Wang , Jianwu Dang

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

Text-to-audio (TTA) generation with fine-grained control signals, e.g., precise timing control or intelligible speech content, has been explored in recent works. However, constrained by data scarcity, their generation performance at scale…

Sound · Computer Science 2026-04-21 Yuxuan Jiang , Zehua Chen , Zeqian Ju , Yusheng Dai , Weibei Dou , Jun Zhu

Diffusion-based Generative AI gains significant attention for its superior performance over other generative techniques like Generative Adversarial Networks and Variational Autoencoders. While it has achieved notable advancements in fields…

Sound · Computer Science 2024-12-12 Haowei Lou , Helen Paik , Pari Delir Haghighi , Wen Hu , Lina Yao

Our work tackles the computational challenges of contrastive learning methods, particularly for the pretraining of Vision Transformers (ViTs). Despite the effectiveness of contrastive learning, the substantial computational resources…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Jinhong Lin , Cheng-En Wu , Yibing Wei , Pedro Morgado

Diffusion models demonstrate outstanding performance in image generation, but their multi-step inference mechanism requires immense computational cost. Previous works accelerate inference by leveraging layer or token cache techniques to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Haowei Zhu , Ji Liu , Ziqiong Liu , Dong Li , Junhai Yong , Bin Wang , Emad Barsoum

Diffusion models (DMs) have become the leading choice for generative tasks across diverse domains. However, their reliance on multiple sequential forward passes significantly limits real-time performance. Previous acceleration methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Ziming Liu , Yifan Yang , Chengruidong Zhang , Yiqi Zhang , Lili Qiu , Yang You , Yuqing Yang

Diffusion Transformers (DiTs) have significantly enhanced text-to-image (T2I) generation quality, enabling high-quality personalized content creation. However, fine-tuning these models requires substantial computational complexity and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Sunghyun Park , Jeongho Kim , Hyoungwoo Park , Debasmit Das , Sungrack Yun , Munawar Hayat , Jaegul Choo , Fatih Porikli , Seokeon Choi

Several recent studies have attempted to autoregressively generate continuous speech representations without discrete speech tokens by combining diffusion and autoregressive models, yet they often face challenges with excessive…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-09 Dongya Jia , Zhuo Chen , Jiawei Chen , Chenpeng Du , Jian Wu , Jian Cong , Xiaobin Zhuang , Chumin Li , Zhen Wei , Yuping Wang , Yuxuan Wang

Extrapolation remains a grand challenge in deep neural networks across all application domains. We propose an operator learning method to solve time-dependent partial differential equations (PDEs) continuously and with extrapolation in time…

Machine Learning · Computer Science 2023-12-12 Oded Ovadia , Vivek Oommen , Adar Kahana , Ahmad Peyvan , Eli Turkel , George Em Karniadakis

Diffusion models have gained attention for their success in modeling complex distributions, achieving impressive perceptual quality in SR tasks. However, existing diffusion-based SR methods often suffer from high computational costs,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Rui Qin , Qijie Wang , Ming Sun , Haowei Zhu , Chao Zhou , Bin Wang

Diffusion Transformers (DiTs) have proven effective in generating high-quality videos but are hindered by high computational costs. Existing video DiT sampling acceleration methods often rely on costly fine-tuning or exhibit limited…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Wenhao Sun , Rong-Cheng Tu , Jingyi Liao , Zhao Jin , Dacheng Tao

Diffusion Transformers (DiTs) have achieved state-of-the-art performance in generative modeling, yet their high computational cost hinders real-time deployment. While feature caching offers a promising training-free acceleration solution by…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Fanpu Cao , Yaofo Chen , Zeng You , Wei Luo

Transformer-based language models have become the standard approach to solving natural language processing tasks. However, industry adoption usually requires the maximum throughput to comply with certain latency constraints that prevents…

Computation and Language · Computer Science 2022-12-08 Haihao Shen , Ofir Zafrir , Bo Dong , Hengyu Meng , Xinyu Ye , Zhe Wang , Yi Ding , Hanwen Chang , Guy Boudoukh , Moshe Wasserblat

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…

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

Diffusion models produce high-fidelity speech but are inefficient for real-time use due to long denoising steps and challenges in modeling intonation and rhythm. To improve this, we propose Diffusion Loss-Guided Policy Optimization (DLPO),…

Sound · Computer Science 2025-08-06 Jingyi Chen , Ju Seung Byun , Micha Elsner , Pichao Wang , Andrew Perrault

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

Recent advances in diffusion models have endowed talking head synthesis with subtle expressions and vivid head movements, but have also led to slow inference speed and insufficient control over generated results. To address these issues, we…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Tianqi Li , Ruobing Zheng , Minghui Yang , Jingdong Chen , Ming Yang

We propose a novel training strategy for Tacotron-based text-to-speech (TTS) system to improve the expressiveness of speech. One of the key challenges in prosody modeling is the lack of reference that makes explicit modeling difficult. The…

Sound · Computer Science 2021-04-13 Rui Liu , Berrak Sisman , Guanglai Gao , Haizhou Li