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Neural network based speech dereverberation has achieved promising results in recent studies. Nevertheless, many are focused on recovery of only the direct path sound and early reflections, which could be beneficial to speech perception,…

Sound · Computer Science 2021-10-19 Ziteng Wang , Yueyue Na , Biao Tian , Qiang Fu

We present a novel model designed for resource-efficient multichannel speech enhancement in the time domain, with a focus on low latency, lightweight, and low computational requirements. The proposed model incorporates explicit spatial and…

Sound · Computer Science 2024-01-17 Ashutosh Pandey , Buye Xu

Deep learning has the potential to enhance speech signals and increase their intelligibility for users of hearing aids. Deep models suited for real-world application should feature a low computational complexity and low processing delay of…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-31 Nils L. Westhausen , Hendrik Kayser , Theresa Jansen , Bernd T. Meyer

Speech clarity and spatial audio immersion are the two most critical factors in enhancing remote conferencing experiences. Existing methods are often limited: either due to the lack of spatial information when using only one microphone, or…

Sound · Computer Science 2025-07-14 Cheng Chi , Xiaoyu Li , Yuxuan Ke , Qunping Ni , Yao Ge , Xiaodong Li , Chengshi Zheng

Speaker recognition systems based on deep speaker embeddings have achieved significant performance in controlled conditions according to the results obtained for early NIST SRE (Speaker Recognition Evaluation) datasets. From the practical…

Contemporary speech enhancement predominantly relies on audio transforms that are trained to reconstruct a clean speech waveform. The development of high-performing neural network sound recognition systems has raised the possibility of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-18 Mark R. Saddler , Andrew Francl , Jenelle Feather , Kaizhi Qian , Yang Zhang , Josh H. McDermott

In this study, we conduct a comparative analysis of deep learning-based noise reduction methods in low signal-to-noise ratio (SNR) scenarios. Our investigation primarily focuses on five key aspects: The impact of training data, the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-28 Shrishti Saha Shetu , Emanuël A. P. Habets , Andreas Brendel

In this work, we build upon our previous publication and use diffusion-based generative models for speech enhancement. We present a detailed overview of the diffusion process that is based on a stochastic differential equation and delve…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-14 Julius Richter , Simon Welker , Jean-Marie Lemercier , Bunlong Lay , Timo Gerkmann

Deep noise suppression (DNS) models enjoy widespread use throughout a variety of high-stakes speech applications. However, we show that four recent DNS models can each be reduced to outputting unintelligible gibberish through the addition…

Sound · Computer Science 2026-03-12 Will Schwarzer , Neel Chaudhari , Philip S. Thomas , Andrea Fanelli , Xiaoyu Liu

Automatic Speech Recognition (ASR) systems must be robust to the myriad types of noises present in real-world environments including environmental noise, room impulse response, special effects as well as attacks by malicious actors…

Sound · Computer Science 2024-09-26 Muhammad A. Shah , Bhiksha Raj

While deep neural networks have shown impressive results in automatic speaker recognition and related tasks, it is dissatisfactory how little is understood about what exactly is responsible for these results. Part of the success has been…

Sound · Computer Science 2024-07-10 Daniel Neururer , Volker Dellwo , Thilo Stadelmann

Artificial neural networks (ANN) have become the mainstream acoustic modeling technique for large vocabulary automatic speech recognition (ASR). A conventional ANN features a multi-layer architecture that requires massive amounts of…

Neural and Evolutionary Computing · Computer Science 2019-11-20 Jibin Wu , Emre Yilmaz , Malu Zhang , Haizhou Li , Kay Chen Tan

Multi-channel multi-talker speech recognition presents formidable challenges in the realm of speech processing, marked by issues such as background noise, reverberation, and overlapping speech. Overcoming these complexities requires…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-09 Yiwen Shao

Human auditory cortex excels at selectively suppressing background noise to focus on a target speaker. The process of selective attention in the brain is known to contextually exploit the available audio and visual cues to better focus on…

Sound · Computer Science 2018-09-12 Mandar Gogate , Ahsan Adeel , Ricard Marxer , Jon Barker , Amir Hussain

To ensure the reliable operation of speech systems across diverse environments, noise addition methods have emerged as the standard solution.However, existing methods offer limited coverage of real-world scenes and depend on pre-existing…

Sound · Computer Science 2026-04-21 Zihao Chen , Zhentao Lin , Bi Zeng , Linyi Huang , Jia Cai

We address voice activity detection in acoustic environments of transients and stationary noises, which often occur in real life scenarios. We exploit unique spatial patterns of speech and non-speech audio frames by independently learning…

Sound · Computer Science 2021-06-28 Amir Ivry , Baruch Berdugo , Israel Cohen

This paper describes a spatial-aware speaker diarization system for the multi-channel multi-party meeting. The diarization system obtains direction information of speaker by microphone array. Speaker spatial embedding is generated by…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-27 Jie Wang , Yuji Liu , Binling Wang , Yiming Zhi , Song Li , Shipeng Xia , Jiayang Zhang , Feng Tong , Lin Li , Qingyang Hong

This paper proposes a neural network based speech separation method using spatially distributed microphones. Unlike with traditional microphone array settings, neither the number of microphones nor their spatial arrangement is known in…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-01 Dongmei Wang , Zhuo Chen , Takuya Yoshioka

This study proposes a multi-microphone complex spectral mapping approach for speech dereverberation on a fixed array geometry. In the proposed approach, a deep neural network (DNN) is trained to predict the real and imaginary (RI)…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-05 Zhong-Qiu Wang , DeLiang Wang

In the field of medical image analysis, deep learning models have demonstrated remarkable success in enhancing diagnostic accuracy and efficiency. However, the reliability of these models is heavily dependent on the quality of training…

Image and Video Processing · Electrical Eng. & Systems 2024-07-12 Maolin Li , Giacomo Tarroni