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Brain-Computer Interface (BCI) system provides a pathway between humans and the outside world by analyzing brain signals which contain potential neural information. Electroencephalography (EEG) is one of most commonly used brain signals and…

Signal Processing · Electrical Eng. & Systems 2018-11-07 Xian-Rui Zhang , Meng-Ying Lei , Yang Li

Neural network models for audio tasks, such as automatic speech recognition (ASR) and acoustic scene classification (ASC), are susceptible to noise contamination for real-life applications. To improve audio quality, an enhancement module,…

Decoding the directional focus of an attended speaker from listeners' electroencephalogram (EEG) signals is essential for developing brain-computer interfaces to improve the quality of life for individuals with hearing impairment. Previous…

Sound · Computer Science 2025-10-23 Yuanming Zhang , Jing Lu , Fei Chen , Haoliang Du , Xia Gao , Zhibin Lin

In this paper, we investigate a deep learning approach for speech denoising through an efficient ensemble of specialist neural networks. By splitting up the speech denoising task into non-overlapping subproblems and introducing a…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-11 Aswin Sivaraman , Minje Kim

Personalized speech enhancement has been a field of active research for suppression of speechlike interferers such as competing speakers or TV dialogues. Compared with single channel approaches, multichannel PSE systems can be more…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-17 Yicheng Hsu , Yonghan Lee , Mingsian R. Bai

The speech enhancement task usually consists of removing additive noise or reverberation that partially mask spoken utterances, affecting their intelligibility. However, little attention is drawn to other, perhaps more aggressive signal…

Sound · Computer Science 2019-04-09 Santiago Pascual , Joan Serrà , Antonio Bonafonte

In this paper, we propose an end-to-end neural network (NN) based EEG-speech (NES) modeling framework, in which three network structures are developed to map imagined EEG signals to phonemes. The proposed NES models incorporate a language…

Sound · Computer Science 2017-04-04 Pengfei Sun , Jun Qin

Audio-visual speech enhancement (AV-SE) methods utilize auxiliary visual cues to enhance speakers' voices. Therefore, technically they should be able to outperform the audio-only speech enhancement (SE) methods. However, there are few works…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Zirun Zhu , Hemin Yang , Min Tang , Ziyi Yang , Sefik Emre Eskimez , Huaming Wang

To address the issue of limited channels and insufficient information collection in portable EEG devices, this study explores an EEG virtual channel signal generation network using a novel spatio-temporal feature fusion strategy. Based on…

Signal Processing · Electrical Eng. & Systems 2025-09-25 Shangqing Yuan , Wenshuang Zhai , Shengwen Guo

This paper proposes SEFGAN, a Deep Neural Network (DNN) combining maximum likelihood training and Generative Adversarial Networks (GANs) for efficient speech enhancement (SE). For this, a DNN is trained to synthesize the enhanced speech…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-05 Martin Strauss , Nicola Pia , Nagashree K. S. Rao , Bernd Edler

We propose an end-to-end model based on convolutional and recurrent neural networks for speech enhancement. Our model is purely data-driven and does not make any assumptions about the type or the stationarity of the noise. In contrast to…

Sound · Computer Science 2018-05-03 Han Zhao , Shuayb Zarar , Ivan Tashev , Chin-Hui Lee

Deep learning has become a de facto method of choice for speech enhancement tasks with significant improvements in speech quality. However, real-time processing with reduced size and computations for low-power edge devices drastically…

Audio and Speech Processing · Electrical Eng. & Systems 2024-05-28 Monisankha Pal , Arvind Ramanathan , Ted Wada , Ashutosh Pandey

Speech generation and enhancement based on articulatory movements facilitate communication when the scope of verbal communication is absent, e.g., in patients who have lost the ability to speak. Although various techniques have been…

Sound · Computer Science 2023-11-29 Li-Chin Chen , Po-Hsun Chen , Richard Tzong-Han Tsai , Yu Tsao

Background noise reduces speech intelligibility and quality, making speaker verification (SV) in noisy environments a challenging task. To improve the noise robustness of SV systems, additive noise data augmentation method has been commonly…

Audio and Speech Processing · Electrical Eng. & Systems 2023-07-21 Wonbin Kim , Hyun-seo Shin , Ju-ho Kim , Jungwoo Heo , Chan-yeong Lim , Ha-Jin Yu

Biomedical decision making involves multiple signal processing, either from different sensors or from different channels. In both cases, information fusion plays a significant role. A deep learning based electroencephalogram channels'…

Signal Processing · Electrical Eng. & Systems 2025-08-05 Fábio Mendonça , Sheikh Shanawaz Mostafa , Diogo Freitas , Fernando Morgado-Dias , Antonio G. Ravelo-García

Low-channel wearable electroencephalography (EEG) is attractive for long-term monitoring, but four frontal electrodes provide only a sparse and spatially biased view of distributed scalp activity. We present FAVC-Net, a compact…

Machine Learning · Computer Science 2026-05-29 Minghao Xiao

Personalized speech enhancement (PSE) methods typically rely on pre-trained speaker verification models or self-designed speaker encoders to extract target speaker clues, guiding the PSE model in isolating the desired speech. However, these…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-22 Ziling Huang , Haixin Guan , Haoran Wei , Yanhua Long

At present, people usually use some methods based on convolutional neural networks (CNNs) for Electroencephalograph (EEG) decoding. However, CNNs have limitations in perceiving global dependencies, which is not adequate for common EEG…

Signal Processing · Electrical Eng. & Systems 2021-06-23 Yonghao Song , Xueyu Jia , Lie Yang , Longhan Xie

Speaker extraction (SE) aims to segregate the speech of a target speaker from a mixture of interfering speakers with the help of auxiliary information. Several forms of auxiliary information have been employed in single-channel SE, such as…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-18 Mohamed Elminshawi , Wolfgang Mack , Srikanth Raj Chetupalli , Soumitro Chakrabarty , Emanuël A. P. Habets

Electroencephalography (EEG) research typically focuses on tasks with narrowly defined objectives, but recent studies are expanding into the use of unlabeled data within larger models, aiming for a broader range of applications. This…

Signal Processing · Electrical Eng. & Systems 2025-05-26 Anders Gjølbye , Lina Skerath , William Lehn-Schiøler , Nicolas Langer , Lars Kai Hansen