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Audio inpainting aims to reconstruct missing segments in corrupted recordings. Most of existing methods produce plausible reconstructions when the gap lengths are short, but struggle to reconstruct gaps larger than about 100 ms. This paper…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-13 Eloi Moliner , Vesa Välimäki

Video editing and generation methods often rely on pre-trained image-based diffusion models. During the diffusion process, however, the reliance on rudimentary noise sampling techniques that do not preserve correlations present in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Pascal Chang , Jingwei Tang , Markus Gross , Vinicius C. Azevedo

Animating virtual avatars to make co-speech gestures facilitates various applications in human-machine interaction. The existing methods mainly rely on generative adversarial networks (GANs), which typically suffer from notorious mode…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Lingting Zhu , Xian Liu , Xuanyu Liu , Rui Qian , Ziwei Liu , Lequan Yu

Diffusion-based point editing methods have gained significant traction in image editing tasks due to their ability to manipulate image semantics and fine details by applying localized perturbations on the manifold of noise latent. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Haoyang Hu , Masataka Seo , Yen-Wei Chen

Recent text-to-image (T2I) diffusion models have achieved remarkable advancement, yet faithfully following complex textual descriptions remains challenging due to insufficient interactions between textual and visual features. Prior…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Binglei Li , Mengping Yang , Zhiyu Tan , Junping Zhang , Hao Li

Synthetic data offers a promising solution for mitigating data scarcity and demographic bias in mental health analysis, yet existing approaches largely rely on pretrained large language models (LLMs), which may suffer from limited output…

Computation and Language · Computer Science 2026-01-21 Saad Mankarious , Aya Zirikly

We present the Latent Timbre Synthesis (LTS), a new audio synthesis method using Deep Learning. The synthesis method allows composers and sound designers to interpolate and extrapolate between the timbre of multiple sounds using the latent…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-03 K. Tatar , D. Bisig , P. Pasquier

Data attribution methods trace model behavior back to its training dataset, offering an effective approach to better understand ''black-box'' neural networks. While prior research has established quantifiable links between model output and…

Machine Learning · Computer Science 2024-07-30 Tong Xie , Haoyu Li , Andrew Bai , Cho-Jui Hsieh

In this work, we present DiffVoice, a novel text-to-speech model based on latent diffusion. We propose to first encode speech signals into a phoneme-rate latent representation with a variational autoencoder enhanced by adversarial training,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-25 Zhijun Liu , Yiwei Guo , Kai Yu

In the recent development of conditional diffusion models still require heavy supervised fine-tuning for performing control on a category of tasks. Training-free conditioning via guidance with off-the-shelf models is a favorable alternative…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Christian Simon , Masato Ishii , Akio Hayakawa , Zhi Zhong , Shusuke Takahashi , Takashi Shibuya , Yuki Mitsufuji

We present a fast and high-fidelity method for music generation, based on specified f0 and loudness, such that the synthesized audio mimics the timbre and articulation of a target instrument. The generation process consists of learned…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-08 Michael Michelashvili , Lior Wolf

Image harmonization, which involves adjusting the foreground of a composite image to attain a unified visual consistency with the background, can be conceptualized as an image-to-image translation task. Diffusion models have recently…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Pengfei Zhou , Fangxiang Feng , Xiaojie Wang

Audio editing involves the arbitrary manipulation of audio content through precise control. Although text-guided diffusion models have made significant advancements in text-to-audio generation, they still face challenges in finding a…

Sound · Computer Science 2024-06-10 Manjie Xu , Chenxing Li , Duzhen zhang , Dan Su , Wei Liang , Dong Yu

Music Inpainting is the task of filling in missing or lost information in a piece of music. We investigate this task from an interactive music creation perspective. To this end, a novel deep learning-based approach for musical score…

Machine Learning · Computer Science 2020-04-14 Ashis Pati , Alexander Lerch , Gaëtan Hadjeres

We introduce Mix2Morph, a text-to-audio diffusion model fine-tuned to perform sound morphing without a dedicated dataset of morphs. By finetuning on noisy surrogate mixes at higher diffusion timesteps, Mix2Morph yields stable, perceptually…

Sound · Computer Science 2026-01-29 Annie Chu , Hugo Flores García , Oriol Nieto , Justin Salamon , Bryan Pardo , Prem Seetharaman

The goal of test-time adaptation is to adapt a source-pretrained model to a continuously changing target domain without relying on any source data. Typically, this is either done by updating the parameters of the model (model adaptation)…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Mrigank Raman , Rohan Shah , Akash Kannan , Pranit Chawla

3D Human motion style transfer is a fundamental problem in computer graphic and animation processing. Existing AdaIN- based methods necessitate datasets with balanced style distribution and content/style labels to train the clustered latent…

Graphics · Computer Science 2024-08-08 Lei Hu , Zihao Zhang , Yongjing Ye , Yiwen Xu , Shihong Xia

Timbre is a set of perceptual attributes that identifies different types of sound sources. Although its definition is usually elusive, it can be seen from a signal processing viewpoint as all the spectral features that are perceived…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-14 Adrien Bitton , Philippe Esling , Tatsuya Harada

Removing reverb from reverberant music is a necessary technique to clean up audio for downstream music manipulations. Reverberation of music contains two categories, natural reverb, and artificial reverb. Artificial reverb has a wider…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-09 Koichi Saito , Naoki Murata , Toshimitsu Uesaka , Chieh-Hsin Lai , Yuhta Takida , Takao Fukui , Yuki Mitsufuji

In this paper, we point out that suboptimal noise-data mapping leads to slow training of diffusion models. During diffusion training, current methods diffuse each image across the entire noise space, resulting in a mixture of all images at…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Yiheng Li , Heyang Jiang , Akio Kodaira , Masayoshi Tomizuka , Kurt Keutzer , Chenfeng Xu