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Related papers: FastVoiceGrad: One-step Diffusion-Based Voice Conv…

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This paper presents FastSVC, a light-weight cross-domain singing voice conversion (SVC) system, which can achieve high conversion performance, with inference speed 4x faster than real-time on CPUs. FastSVC uses Conformer-based phoneme…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-25 Songxiang Liu , Yuewen Cao , Na Hu , Dan Su , Helen Meng

We introduce Adversarial Diffusion Distillation (ADD), a novel training approach that efficiently samples large-scale foundational image diffusion models in just 1-4 steps while maintaining high image quality. We use score distillation to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Axel Sauer , Dominik Lorenz , Andreas Blattmann , Robin Rombach

Recent advances in diffusion-based video restoration (VR) demonstrate significant improvement in visual quality, yet yield a prohibitive computational cost during inference. While several distillation-based approaches have exhibited the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Jianyi Wang , Shanchuan Lin , Zhijie Lin , Yuxi Ren , Meng Wei , Zongsheng Yue , Shangchen Zhou , Hao Chen , Yang Zhao , Ceyuan Yang , Xuefeng Xiao , Chen Change Loy , Lu Jiang

Diffusion speech enhancement on discrete audio codec features gain immense attention due to their improved speech component reconstruction capability. However, they usually suffer from high inference computational complexity due to multiple…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-30 Yihui Fu , Tim Fingscheidt

Diffusion models, praised for their success in generative tasks, are increasingly being applied to robotics, demonstrating exceptional performance in behavior cloning. However, their slow generation process stemming from iterative denoising…

Voice conversion is an increasingly popular technology, and the growing number of real-time applications requires models with streaming conversion capabilities. Unlike typical (non-streaming) voice conversion, which can leverage the entire…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-01 Ziqian Ning , Yuepeng Jiang , Pengcheng Zhu , Jixun Yao , Shuai Wang , Lei Xie , Mengxiao Bi

Despite imperfect score-matching causing drift in training and sampling distributions of diffusion models, recent advances in diffusion-based acoustic models have revolutionized data-sufficient single-speaker Text-to-Speech (TTS)…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-01 Heyang Xue , Shuai Guo , Pengcheng Zhu , Mengxiao Bi

Despite the potential of diffusion models in speech enhancement, their deployment in Acoustic Echo Cancellation (AEC) has been restricted. In this paper, we propose DI-AEC, pioneering a diffusion-based stochastic regeneration approach…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-10 Yang Liu , Li Wan , Yun Li , Yiteng Huang , Ming Sun , James Luan , Yangyang Shi , Xin Lei

Score-based distillation methods (e.g., variational score distillation) train one-step diffusion models by first pre-training a teacher score model and then distilling it into a one-step student model. However, the gradient estimator in the…

Noise suppression (NS) algorithms are effective in improving speech quality in many cases. However, aggressive noise suppression can damage the target speech, reducing both speech intelligibility and quality despite removing the noise. This…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-11 Kyungguen Byun , Jason Filos , Erik Visser , Sunkuk Moon

Voice Conversion (VC) for unseen speakers, also known as zero-shot VC, is an attractive research topic as it enables a range of applications like voice customizing, animation production, and others. Recent work in this area made progress…

Sound · Computer Science 2022-06-01 Shijun Wang , Dimche Kostadinov , Damian Borth

Zero-shot voice conversion (VC) aims to transfer the timbre from the source speaker to an arbitrary unseen speaker while preserving the original linguistic content. Despite recent advancements in zero-shot VC using language model-based or…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-11 Jixun Yao , Yuguang Yang , Yu Pan , Ziqian Ning , Jiaohao Ye , Hongbin Zhou , Lei Xie

In recent years, diffusion-based generative models have demonstrated remarkable performance in speech conversion, including Denoising Diffusion Probabilistic Models (DDPM) and others. However, the advantages of these models come at the cost…

Sound · Computer Science 2025-06-03 Pengyu Ren , Wenhao Guan , Kaidi Wang , Peijie Chen , Qingyang Hong , Lin Li

Factorizing speech as disentangled speech representations is vital to achieve highly controllable style transfer in voice conversion (VC). Conventional speech representation learning methods in VC only factorize speech as speaker and…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-06 Jie Wang , Jingbei Li , Xintao Zhao , Zhiyong Wu , Shiyin Kang , Helen Meng

Face-based Voice Conversion (FVC) is a novel task that leverages facial images to generate the target speaker's voice style. Previous work has two shortcomings: (1) suffering from obtaining facial embeddings that are well-aligned with the…

Sound · Computer Science 2024-09-05 Yan Rong , Li Liu

Acoustic echo and background noise pose challenges on speech enhancement in hands-free systems and speakerphones. Discriminatively trained end-to-end methods represent a powerful solution for joint acoustic echo control (AEC) and denoising.…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-12 Haljan Lugo Girao , Ernst Seidel , Pejman Mowlaee , Ziyue Zhao , Tim Fingscheidt

Diffusion distillation is a widely used technique to reduce the sampling cost of diffusion models, yet it often requires extensive training, and the student performance tends to be degraded. Recent studies show that incorporating a GAN…

Machine Learning · Computer Science 2025-06-12 Bowen Zheng , Tianming Yang

Recent progress in deep generative models has improved the quality of voice conversion in the speech domain. However, high-quality singing voice conversion (SVC) of unseen singers remains challenging due to the wider variety of musical…

Sound · Computer Science 2023-10-09 Naoya Takahashi , Mayank Kumar Singh , Yuki Mitsufuji

Diffusion Language Models (DLMs) have recently achieved strong results in text generation. However, their multi-step sampling leads to slow inference, limiting practical use. To address this, we extend Inverse Distillation, a technique…

Machine Learning · Computer Science 2026-02-24 David Li , Nikita Gushchin , Dmitry Abulkhanov , Eric Moulines , Ivan Oseledets , Maxim Panov , Alexander Korotin

Recent progress in accelerating text-to-image diffusion models enables high-fidelity synthesis within a single denoising step. However, customizing the fast one-step models remains challenging, as existing methods consistently fail to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Yixiong Yang , Tao Wu , Senmao Li , Shiqi Yang , Yaxing Wang , Joost van de Weijer , Kai Wang