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Speech enhancement is an essential task of improving speech quality in noise scenario. Several state-of-the-art approaches have introduced visual information for speech enhancement,since the visual aspect of speech is essentially unaffected…

音频与语音处理 · 电气工程与系统科学 2022-04-21 Xinmeng Xu , Yang Wang , Dongxiang Xu , Yiyuan Peng , Cong Zhang , Jie Jia , Binbin Chen

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…

音频与语音处理 · 电气工程与系统科学 2021-03-04 Eike J. Nustede , Jörn Anemüller

Variational autoencoders (VAEs) have been used extensively to discover low-dimensional latent factors governing neural activity and animal behavior. However, without careful model selection, the uncovered latent factors may reflect noise in…

机器学习 · 计算机科学 2023-12-13 Julia Huiming Wang , Dexter Tsin , Tatiana Engel

Variational autoencoders are powerful algorithms for identifying dominant latent structure in a single dataset. In many applications, however, we are interested in modeling latent structure and variation that are enriched in a target…

机器学习 · 计算机科学 2019-02-14 Abubakar Abid , James Zou

This paper presents a refinement framework of WaveNet vocoders for variational autoencoder (VAE) based voice conversion (VC), which reduces the quality distortion caused by the mismatch between the training data and testing data.…

音频与语音处理 · 电气工程与系统科学 2020-04-09 Wen-Chin Huang , Yi-Chiao Wu , Hsin-Te Hwang , Patrick Lumban Tobing , Tomoki Hayashi , Kazuhiro Kobayashi , Tomoki Toda , Yu Tsao , Hsin-Min Wang

Binaural speech enhancement (BSE) aims to jointly improve the speech quality and intelligibility of noisy signals received by hearing devices and preserve the spatial cues of the target for natural listening. Existing methods often suffer…

声音 · 计算机科学 2025-01-09 Jingyuan Wang , Jie Zhang , Shihao Chen , Miao Sun

While unsupervised variational autoencoders (VAE) have become a powerful tool in neuroimage analysis, their application to supervised learning is under-explored. We aim to close this gap by proposing a unified probabilistic model for…

机器学习 · 计算机科学 2019-07-15 Qingyu Zhao , Ehsan Adeli , Nicolas Honnorat , Tuo Leng , Kilian M. Pohl

In speech enhancement, an end-to-end deep neural network converts a noisy speech signal to a clean speech directly in time domain without time-frequency transformation or mask estimation. However, aggregating contextual information from a…

声音 · 计算机科学 2020-02-10 Kai Zhen , Mi Suk Lee , Minje Kim

It has been shown that the intelligibility of noisy speech can be improved by speech enhancement (SE) algorithms. However, monaural SE has not been established as an effective frontend for automatic speech recognition (ASR) in noisy…

声音 · 计算机科学 2024-03-12 Yufeng Yang , Ashutosh Pandey , DeLiang Wang

Deep generative models applied to audio have improved by a large margin the state-of-the-art in many speech and music related tasks. However, as raw waveform modelling remains an inherently difficult task, audio generative models are either…

机器学习 · 计算机科学 2021-12-16 Antoine Caillon , Philippe Esling

The surrogate loss of variational autoencoders (VAEs) poses various challenges to their training, inducing the imbalance between task fitting and representation inference. To avert this, the existing strategies for VAEs focus on adjusting…

神经与进化计算 · 计算机科学 2024-04-02 Zhangkai Wu , Longbing Cao , Lei Qi

Variational AutoEncoders (VAEs) provide a means to generate representational latent embeddings. Previous research has highlighted the benefits of achieving representations that are disentangled, particularly for downstream tasks. However,…

计算机视觉与模式识别 · 计算机科学 2019-11-18 Matthew J. Vowels , Necati Cihan Camgoz , Richard Bowden

Traditional studies on voice conversion (VC) have made progress with parallel training data and known speakers. Good voice conversion quality is obtained by exploring better alignment modules or expressive mapping functions. In this study,…

音频与语音处理 · 电气工程与系统科学 2022-04-01 Jiachen Lian , Chunlei Zhang , Dong Yu

Estimating time-frequency domain masks for speech enhancement using deep learning approaches has recently become a popular field of research. In this paper, we propose a mask-based speech enhancement framework by using concatenated…

音频与语音处理 · 电气工程与系统科学 2018-10-29 Ziyi Xu , Maximilian Strake , Tim Fingscheidt

There are many problems in physics, biology, and other natural sciences in which symbolic regression can provide valuable insights and discover new laws of nature. A widespread Deep Neural Networks do not provide interpretable solutions.…

机器学习 · 计算机科学 2023-01-18 Sergei Popov , Mikhail Lazarev , Vladislav Belavin , Denis Derkach , Andrey Ustyuzhanin

Deep speaker embedding has achieved state-of-the-art performance in speaker recognition. A potential problem of these embedded vectors (called `x-vectors') are not Gaussian, causing performance degradation with the famous PLDA back-end…

声音 · 计算机科学 2019-04-09 Yang Zhang , Lantian Li , Dong Wang

In this paper, we propose a variational autoencoder with disentanglement priors, VAE-DPRIOR, for task-specific natural language generation with none or a handful of task-specific labeled examples. In order to tackle compositional…

计算与语言 · 计算机科学 2022-11-01 Zhuang Li , Lizhen Qu , Qiongkai Xu , Tongtong Wu , Tianyang Zhan , Gholamreza Haffari

Reducing token count is crucial for efficient training and inference of latent diffusion models, especially at high resolution. A common strategy is to build high-compression image tokenizers with more channels per token. However, when…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Xin Cai , Zhiyuan You , Zhoutong Zhang , Tianfan Xue

A new approach for blind channel equalization and decoding, variational inference, and variational autoencoders (VAEs) in particular, is introduced. We first consider the reconstruction of uncoded data symbols transmitted over a noisy…

机器学习 · 计算机科学 2020-04-14 Avi Caciularu , David Burshtein

We propose a new class of physics-informed neural networks, called physics-informed Variational Autoencoder (PI-VAE), to solve stochastic differential equations (SDEs) or inverse problems involving SDEs. In these problems the governing…

机器学习 · 统计学 2022-11-09 Weiheng Zhong , Hadi Meidani