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Improving the accuracy of single-channel automatic speech recognition (ASR) in noisy conditions is challenging. Strong speech enhancement front-ends are available, however, they typically require that the ASR model is retrained to cope with…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-10 Catalin Zorila , Rama Doddipatla

This paper introduces a modified variational autoencoder (VAEs) that contains an additional neural network branch. The resulting branched VAE (BVAE) contributes a classification component based on the class labels to the total loss and…

Machine Learning · Computer Science 2024-01-08 Ahmed Salah , David Yevick

Variational autoencoder (VAE) is a very successful generative model whose key element is the so called amortized inference network, which can perform test time inference using a single feed forward pass. Unfortunately, this comes at the…

Machine Learning · Computer Science 2021-02-08 Minyoung Kim , Vladimir Pavlovic

This study tackles unsupervised subword modeling in the zero-resource scenario, learning frame-level speech representation that is phonetically discriminative and speaker-invariant, using only untranscribed speech for target languages.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-29 Siyuan Feng , Tan Lee

Continuous speech representations based on Variational Autoencoders (VAEs) have emerged as a promising alternative to traditional spectrogram or discrete token based features for speech generation and reconstruction. Recent research has…

Sound · Computer Science 2026-05-26 Changhao Cheng , Wei Wang , Wangyou Zhang , Dongya Jia , Jian Wu , Zhuo Chen , Yanmin Qian

This work proposes the use of clean speech vocoder parameters as the target for a neural network performing speech enhancement. These parameters have been designed for text-to-speech synthesis so that they both produce high-quality…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-03 Soumi Maiti , Michael I Mandel

Conventional deep neural network (DNN)-based speech enhancement (SE) approaches aim to minimize the mean square error (MSE) between enhanced speech and clean reference. The MSE-optimized model may not directly improve the performance of an…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-13 Yih-Liang Shen , Chao-Yuan Huang , Syu-Siang Wang , Yu Tsao , Hsin-Min Wang , Tai-Shih Chi

In this paper, we present a novel technique for a non-parallel voice conversion (VC) with the use of cyclic variational autoencoder (CycleVAE)-based spectral modeling. In a variational autoencoder(VAE) framework, a latent space, usually…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-25 Patrick Lumban Tobing , Yi-Chiao Wu , Tomoki Hayashi , Kazuhiro Kobayashi , Tomoki Toda

For deep learning-based speech enhancement (SE) systems, the training-test acoustic mismatch can cause notable performance degradation. To address the mismatch issue, numerous noise adaptation strategies have been derived. In this paper, we…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-22 Chi-Chang Lee , Cheng-Hung Hu , Yu-Chen Lin , Chu-Song Chen , Hsin-Min Wang , Yu Tsao

This paper proposes an unsupervised DNN-based speech enhancement approach founded on deep priors (DPs). Here, DP signifies that DNNs are more inclined to produce clean speech signals than noises. Conventional methods based on DP typically…

Sound · Computer Science 2024-07-08 Hien Ohnaka , Ryoichi Miyazaki

Estimating noise information exactly is crucial for noise aware training in speech applications including speech enhancement (SE) which is our focus in this paper. To estimate noise-only frames, we employ voice activity detection (VAD) to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-04 Joohyung Lee , Youngmoon Jung , Myunghun Jung , Hoirin Kim

We present a coupled Variational Auto-Encoder (VAE) method that improves the accuracy and robustness of the probabilistic inferences on represented data. The new method models the dependency between input feature vectors (images) and weighs…

Machine Learning · Computer Science 2025-11-25 Shichen Cao , Jingjing Li , Kenric P. Nelson , Mark A. Kon

Text-to-speech synthesis (TTS) is a task to convert texts into speech. Two of the factors that have been driving TTS are the advancements of probabilistic models and latent representation learning. We propose a TTS method based on latent…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-19 Yusuke Yasuda , Tomoki Toda

We propose a Text-to-Speech method to create an unseen expressive style using one utterance of expressive speech of around one second. Specifically, we enhance the disentanglement capabilities of a state-of-the-art sequence-to-sequence…

Machine Learning · Computer Science 2020-02-18 Vatsal Aggarwal , Marius Cotescu , Nishant Prateek , Jaime Lorenzo-Trueba , Roberto Barra-Chicote

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.…

Machine Learning · Computer Science 2023-01-18 Sergei Popov , Mikhail Lazarev , Vladislav Belavin , Denis Derkach , Andrey Ustyuzhanin

The prediction of valence from speech is an important, but challenging problem. The externalization of valence in speech has speaker-dependent cues, which contribute to performances that are often significantly lower than the prediction of…

Sound · Computer Science 2023-05-15 Kusha Sridhar , Carlos Busso

Single-channel speech enhancement with deep neural networks (DNNs) has shown promising performance and is thus intensively being studied. In this paper, instead of applying the mean squared error (MSE) as the loss function during DNN…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-20 Ziyue Zhao , Samy Elshamy , Tim Fingscheidt

Inspired by the success of deep neural networks (DNNs) in speech processing, this paper presents Deep Vocoder, a direct end-to-end low bit rate speech compression method with deep autoencoder (DAE). In Deep Vocoder, DAE is used for…

Multimedia · Computer Science 2019-05-15 Gang Min , Changqing Zhang , Xiongwei Zhang , Wei Tan

In this work, we propose a frequency bin-wise method to estimate the single-channel speech presence probability (SPP) with multiple deep neural networks (DNNs) in the short-time Fourier transform domain. Since all frequency bins are…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-24 Shuai Tao , Himavanth Reddy , Jesper Rindom Jensen , Mads Græsbøll Christensen

Objective speech disorder classification for speakers with communication difficulty is desirable for diagnosis and administering therapy. With the current state of speech technology, it is evident to propose neural networks for this…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-15 Jinzi Qi , Hugo Van hamme
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