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It is very challenging for speech enhancement methods to achieves robust performance under both high signal-to-noise ratio (SNR) and low SNR simultaneously. In this paper, we propose a method that integrates an SNR-based teachers-student…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-30 Xiang Hao , Xiangdong Su , Zhiyu Wang , Qiang Zhang , Huali Xu , Guanglai Gao

This work proposes a neural network to extensively exploit spatial information for multichannel joint speech separation, denoising and dereverberation, named SpatialNet. In the short-time Fourier transform (STFT) domain, the proposed…

Sound · Computer Science 2023-12-25 Changsheng Quan , Xiaofei Li

Previous speech enhancement methods focus on estimating the short-time spectrum of speech signals due to its short-term stability. However, these methods often only estimate the clean magnitude spectrum and reuse the noisy phase when…

Sound · Computer Science 2019-10-23 Chuang Geng , Lei Wang

In real acoustic environment, speech enhancement is an arduous task to improve the quality and intelligibility of speech interfered by background noise and reverberation. Over the past years, deep learning has shown great potential on…

Sound · Computer Science 2021-05-07 Kanghao Zhang , Shulin He , Hao Li , Xueliang Zhang

The recurrent neural network transducer (RNN-T) has recently become the mainstream end-to-end approach for streaming automatic speech recognition (ASR). To estimate the output distributions over subword units, RNN-T uses a fully connected…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-26 Chao Zhang , Bo Li , Zhiyun Lu , Tara N. Sainath , Shuo-yiin Chang

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…

Sound · Computer Science 2020-02-10 Kai Zhen , Mi Suk Lee , Minje Kim

Transient loud intrusions, often occurring in noisy environments, can completely overpower speech signal and lead to an inevitable loss of information. While existing algorithms for noise suppression can yield impressive results, their…

Sound · Computer Science 2020-11-12 Mikolaj Kegler , Pierre Beckmann , Milos Cernak

The conversion from text to speech relies on the accurate mapping from linguistic to acoustic symbol sequences, for which current practice employs recurrent statistical models like recurrent neural networks. Despite the good performance of…

Sound · Computer Science 2018-11-07 Santiago Pascual , Antonio Bonafonte , Joan Serrà

This paper revisits the neural vocoder task through the lens of audio restoration and propose a novel diffusion vocoder called BridgeVoC. Specifically, by rank analysis, we compare the rank characteristics of Mel-spectrum with other common…

Sound · Computer Science 2025-11-11 Andong Li , Tong Lei , Rilin Chen , Kai Li , Meng Yu , Xiaodong Li , Dong Yu , Chengshi Zheng

Speaker extraction aims to mimic humans' selective auditory attention by extracting a target speaker's voice from a multi-talker environment. It is common to perform the extraction in frequency-domain, and reconstruct the time-domain signal…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-20 Chenglin Xu , Wei Rao , Eng Siong Chng , Haizhou Li

Speaker extraction is to extract a target speaker's voice from multi-talker speech. It simulates humans' cocktail party effect or the selective listening ability. The prior work mostly performs speaker extraction in frequency domain, then…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-01 Chenglin Xu , Wei Rao , Eng Siong Chng , Haizhou Li

Speech dereverberation is often an important requirement in robust speech processing tasks. Supervised deep learning (DL) models give state-of-the-art performance for single-channel speech dereverberation. Temporal convolutional networks…

Sound · Computer Science 2022-07-04 William Ravenscroft , Stefan Goetze , Thomas Hain

Speech enhancement (SE) is crucial for reliable communication devices or robust speech recognition systems. Although conventional artificial neural networks (ANN) have demonstrated remarkable performance in SE, they require significant…

Sound · Computer Science 2023-07-28 Abir Riahi , Éric Plourde

Sequence-to-sequence models have shown success in end-to-end speech recognition. However these models have only used shallow acoustic encoder networks. In our work, we successively train very deep convolutional networks to add more…

Computation and Language · Computer Science 2016-10-11 Yu Zhang , William Chan , Navdeep Jaitly

Deep neural networks have shown recent promise in many language-related tasks such as the modeling of conversations. We extend RNN-based sequence to sequence models to capture the long range discourse across many turns of conversation. We…

Computation and Language · Computer Science 2016-07-18 John M. Pierre , Mark Butler , Jacob Portnoff , Luis Aguilar

Networks are widely used in many fields for their powerful ability to provide vivid representations of relationships between variables. However, many of them may be corrupted by experimental noise or inappropriate network inference methods…

Molecular Networks · Quantitative Biology 2021-09-21 Jiating Yu , Jiacheng Leng , Ling-Yun Wu

Understanding cognitive processes in the brain demands sophisticated models capable of replicating neural dynamics at large scales. We present a physiologically inspired speech recognition architecture, compatible and scalable with deep…

Computation and Language · Computer Science 2024-09-26 Alexandre Bittar , Philip N. Garner

This paper proposes a U-Net-based autoencoder framework for mitigating interference in communication signals corrupted by noise and diverse interference sources. The approach targets scenarios involving both signal-plus-noise and…

Signal Processing · Electrical Eng. & Systems 2025-12-17 Hiten Prakash Kothari , R. Michael Buehrer

This paper studies the Speech Enhancement based on Deep Neural Networks. The proposed architecture gradually follows the signal transformation during enhancement by means of a visualization probe at each network block. Alongside the…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-10 Jorge Llombart , Dayana Ribas , Antonio Miguel , Luis Vicente , Alfonso Ortega , Eduardo Lleida

In recent years, deep networks have led to dramatic improvements in speech enhancement by framing it as a data-driven pattern recognition problem. In many modern enhancement systems, large amounts of data are used to train a deep network to…

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