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Holographic multiple-input multiple-output (H-MIMO) systems represent a paradigm shift in wireless communications by enabling quasi-continuous apertures. Unlike conventional MIMO systems, H-MIMO with subwavelength antenna spacing operates…

Signal Processing · Electrical Eng. & Systems 2026-03-02 Zijian Zhang , Linglong Dai

Speaker diarization is connected to semantic segmentation in computer vision. Inspired from MaskFormer \cite{cheng2021per} which treats semantic segmentation as a set-prediction problem, we propose an end-to-end approach to predict a set of…

Sound · Computer Science 2021-12-15 Yongquan Lai , Xin Tang , Yuanyuan Fu , Rui Fang

Long-term time-series forecasting (LTSF) is fundamental to various real-world applications, where Transformer-based models have become the dominant framework due to their ability to capture long-range dependencies. However, these models…

Machine Learning · Computer Science 2025-03-27 Mingjie Li , Rui Liu , Guangsi Shi , Mingfei Han , Changling Li , Lina Yao , Xiaojun Chang , Ling Chen

In speaker verification systems, the utilization of short utterances presents a persistent challenge, leading to performance degradation primarily due to insufficient phonetic information to characterize the speakers. To overcome this…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-12 Seung-bin Kim , Chan-yeong Lim , Jungwoo Heo , Ju-ho Kim , Hyun-seo Shin , Kyo-Won Koo , Ha-Jin Yu

Underwater images often exhibit poor quality, distorted color balance and low contrast due to the complex and intricate interplay of light, water, and objects. Despite the significant contributions of previous underwater enhancement…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Weiwen Chen , Yingtie Lei , Shenghong Luo , Ziyang Zhou , Mingxian Li , Chi-Man Pun

Recently, speech enhancement technologies that are based on deep learning have received considerable research attention. If the spatial information in microphone signals is exploited, microphone arrays can be advantageous under some adverse…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-19 Yicheng Hsu , Yonghan Lee , Mingsian R. Bai

Wireless Power Transfer (WPT) is expected to be a technology reshaping the landscape of low-power applications such as the Internet of Things, Radio Frequency identification (RFID) networks, etc. Although there has been some progress…

Information Theory · Computer Science 2017-10-11 Yang Huang , Bruno Clerckx

In recent years, many deep learning techniques for single-channel sound source separation have been proposed using recurrent, convolutional and transformer networks. When multiple microphones are available, spatial diversity between…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-23 Ali Aroudi , Stefan Uhlich , Marc Ferras Font

This paper proposes a new channel estimation scheme for the multiuser massive multiple-input multiple-output (MIMO) systems in time-varying environment. We introduce a discrete Fourier transform (DFT) aided spatial-temporal basis expansion…

Information Theory · Computer Science 2016-11-01 Hongxiang Xie , Feifei Gao , Shun Zhang , Shi Jin

Continued improvements in machine learning techniques offer exciting new opportunities through the use of larger models and larger training datasets. However, there is a growing need to offer these new capabilities on-board low-powered…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-16 Steven M. Hernandez , Ding Zhao , Shaojin Ding , Antoine Bruguier , Rohit Prabhavalkar , Tara N. Sainath , Yanzhang He , Ian McGraw

The emergence of 6th generation (6G) mobile networks brings new challenges in supporting high-mobility communications, particularly in addressing the issue of channel aging. While existing channel prediction methods offer improved accuracy…

Machine Learning · Computer Science 2024-10-30 Yanliang Jin , Yifan Wu , Yuan Gao , Shunqing Zhang , Shugong Xu , Cheng-Xiang Wang

Neural multi-channel speech enhancement models, in particular those based on the U-Net architecture, demonstrate promising performance and generalization potential. These models typically encode input channels independently, and integrate…

Sound · Computer Science 2024-10-08 Ibrahim Aldarmaki , Thamar Solorio , Bhiksha Raj , Hanan Aldarmaki

Massive MIMO (Multiple-Input Multiple-Output) is an advanced wireless communication technology, using a large number of antennas to improve the overall performance of the communication system in terms of capacity, spectral, and energy…

Information Theory · Computer Science 2025-01-06 Ferhat Ozgur Catak , Murat Kuzlu , Umit Cali

From hearing aids to augmented and virtual reality devices, binaural speech enhancement algorithms have been established as state-of-the-art techniques to improve speech intelligibility and listening comfort. In this paper, we present an…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-29 Vikas Tokala , Eric Grinstein , Mike Brookes , Simon Doclo , Jesper Jensen , Patrick A. Naylor

Convolutional neural networks (CNN) have improved speech recognition performance greatly by exploiting localized time-frequency patterns. But these patterns are assumed to appear in symmetric and rigid kernels by the conventional CNN…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-19 Jiamin Xie , John H. L. Hansen

Self-supervised learning has demonstrated impressive performance in speech tasks, yet there remains ample opportunity for advancement in the realm of speech enhancement research. In addressing speech tasks, confining the attention mechanism…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-14 Tao Zheng , Liejun Wang , Yinfeng Yu

We present a meta-learning approach for adaptive text-to-speech (TTS) with few data. During training, we learn a multi-speaker model using a shared conditional WaveNet core and independent learned embeddings for each speaker. The aim of…

Recent single-channel speech enhancement methods usually convert waveform to the time-frequency domain and use magnitude/complex spectrum as the optimizing target. However, both magnitude-spectrum-based methods and complex-spectrum-based…

Sound · Computer Science 2021-10-13 Wenxin Tai , Jiajia Li , Yixiang Wang , Tian Lan , Qiao Liu

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 paper addresses the problem of under-determinded speech source separation from multichannel microphone singals, i.e. the convolutive mixtures of multiple sources. The time-domain signals are first transformed to the short-time Fourier…

Sound · Computer Science 2019-04-11 Xiaofei Li , Laurent Girin , Radu Horaud