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We present LipDiffuser, a conditional diffusion model for lip-to-speech generation synthesizing natural and intelligible speech directly from silent video recordings. Our approach leverages the magnitude-preserving ablated diffusion model…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-27 Julius Richter , Danilo de Oliveira , Tal Peer , Timo Gerkmann

While current deep learning (DL)-based beamforming techniques have been proved effective in speech separation, they are often designed to process narrow-band (NB) frequencies independently which results in higher computational costs and…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Vinay Kothapally , Yong Xu , Meng Yu , Shi-Xiong Zhang , Dong Yu

Ultra-low-bitrate speech coding is pivotal for bandwidth-constrained communication and deep compression, yet maintaining naturalness and speaker identity at such extreme bit budgets remains challenging due to pronounced information loss and…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-26 Hui-Peng Du , Yang Ai , Xiao-Hang Jiang , Yuan Tian , Zhen-Hua Ling

Properly setting up recording conditions, including microphone type and placement, room acoustics, and ambient noise, is essential to obtaining the desired acoustic characteristics of speech. In this paper, we propose Diff-R-EN-T, a…

Sound · Computer Science 2024-01-17 Jaekwon Im , Juhan Nam

In this work, we propose Mel-FullSubNet, a single-channel Mel-spectrogram denoising and dereverberation network for improving both speech quality and automatic speech recognition (ASR) performance. Mel-FullSubNet takes as input the noisy…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-23 Rui Zhou , Xian Li , Ying Fang , Xiaofei Li

In this work, we propose a full-band real-time speech enhancement system with GAN-based stochastic regeneration. Predictive models focus on estimating the mean of the target distribution, whereas generative models aim to learn the full…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-30 Sanberk Serbest , Tijana Stojkovic , Milos Cernak , Andrew Harper

Voice conversion is a method that allows for the transformation of speaking style while maintaining the integrity of linguistic information. There are many researchers using deep generative models for voice conversion tasks. Generative…

Sound · Computer Science 2023-08-29 Xulong Zhang , Jianzong Wang , Ning Cheng , Jing Xiao

A promising approach for multi-microphone speech separation involves two deep neural networks (DNN), where the predicted target speech from the first DNN is used to compute signal statistics for time-invariant minimum variance…

Sound · Computer Science 2021-10-04 Zhong-Qiu Wang , Gordon Wichern , Jonathan Le Roux

Large language models have revolutionized natural language processing by leveraging self-supervised pretraining on vast textual data. Inspired by this success, researchers have investigated various compression-based speech tokenization…

Computation and Language · Computer Science 2025-05-22 Richard He Bai , Tatiana Likhomanenko , Ruixiang Zhang , Zijin Gu , Zakaria Aldeneh , Navdeep Jaitly

Deep neural network based speech enhancement technique focuses on learning a noisy-to-clean transformation supervised by paired training data. However, the task-specific evaluation metric (e.g., PESQ) is usually non-differentiable and can…

Sound · Computer Science 2023-02-24 Chen Chen , Yuchen Hu , Weiwei Weng , Eng Siong Chng

In hearing aids, the presence of babble noise degrades hearing intelligibility of human speech greatly. However, removing the babble without creating artifacts in human speech is a challenging task in a low SNR environment. Here, we sought…

Machine Learning · Computer Science 2016-09-23 Se Rim Park , Jinwon Lee

This paper presents a novel approach for denoising Electron Backscatter Diffraction (EBSD) patterns using diffusion models. We propose a two-stage training process with a UNet-based architecture, incorporating an auxiliary regression head…

Image and Video Processing · Electrical Eng. & Systems 2025-09-01 Nikolay Falaleev , Nikolai Orlov

We investigate the viability of a variational U-Net architecture for denoising of single-channel audio data. Deep network speech enhancement systems commonly aim to estimate filter masks, or opt to work on the waveform signal, potentially…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-04 Eike J. Nustede , Jörn Anemüller

This paper introduces a new training strategy to improve speech dereverberation systems using minimal acoustic information and reverberant (wet) speech. Most existing algorithms rely on paired dry/wet data, which is difficult to obtain, or…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-12 Louis Bahrman , Mathieu Fontaine , Gael Richard

Convolutional neural network (CNN) architectures have originated and revolutionized machine learning for images. In order to take advantage of CNNs in predictive modeling with audio data, standard FFT-based signal processing methods are…

Sound · Computer Science 2025-02-20 Pavol Harar , Roswitha Bammer , Anna Breger , Monika Dörfler , Zdenek Smekal

Reconstructing the sound field in a room is an important task for several applications, such as sound control and augmented (AR) or virtual reality (VR). In this paper, we propose a data-driven generative model for reconstructing the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-22 Federico Miotello , Luca Comanducci , Mirco Pezzoli , Alberto Bernardini , Fabio Antonacci , Augusto Sarti

Generative adversarial network (GAN) models can synthesize highquality audio signals while ensuring fast sample generation. However, they are difficult to train and are prone to several issues including mode collapse and divergence. In this…

Sound · Computer Science 2024-02-06 Teysir Baoueb , Haocheng Liu , Mathieu Fontaine , Jonathan Le Roux , Gael Richard

Compensation for channel mismatch and noise interference is essential for robust automatic speech recognition. Enhanced speech has been introduced into the multi-condition training of acoustic models to improve their generalization ability.…

Sound · Computer Science 2022-11-24 Hung-Shin Lee , Pin-Yuan Chen , Yao-Fei Cheng , Yu Tsao , Hsin-Min Wang

Restoring degraded music signals is essential to enhance audio quality for downstream music manipulation. Recent diffusion-based music restoration methods have demonstrated impressive performance, and among them, diffusion posterior…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-14 Carlos Hernandez-Olivan , Koichi Saito , Naoki Murata , Chieh-Hsin Lai , Marco A. Martínez-Ramirez , Wei-Hsiang Liao , Yuki Mitsufuji

The design of mean and variance schedules for the perturbed signal is a fundamental challenge in generative models. While score-based and Schr\"odinger bridge-based models require careful selection of the stochastic differential equation to…

Sound · Computer Science 2025-09-10 Taihui Wang , Rilin Chen , Tong Lei , Andong Li , Jinzheng Zhao , Meng Yu , Dong Yu