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Millimeter-wave (mmWave) multiple-input multiple-output (MIMO) communication with the advanced beamforming technologies is a key enabler to meet the growing demands of future mobile communication. However, the dynamic nature of cellular…

Information Theory · Computer Science 2024-11-26 Xinquan Wang , Fenghao Zhu , Chongwen Huang , Ahmed Alhammadi , Faouzi Bader , Zhaoyang Zhang , Chau Yuen , Merouane Debbah

Neural networks (NNs) have been widely applied in speech processing tasks, and, in particular, those employing microphone arrays. Nevertheless, most existing NN architectures can only deal with fixed and position-specific microphone arrays.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-14 Yochai Yemini , Ethan Fetaya , Haggai Maron , Sharon Gannot

Traditional automatic speech recognition (ASR) systems often use an acoustic model (AM) built on handcrafted acoustic features, such as log Mel-filter bank (FBANK) values. Recent studies found that AMs with convolutional neural networks…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-10 Patrick von Platen , Chao Zhang , Philip Woodland

Consider a multichannel Ambisonic recording containing a mixture of several reverberant speech signals. Retreiving the reverberant Ambisonic signals corresponding to the individual speech sources blindly from the mixture is a challenging…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-14 Adrian Herzog , Srikanth Raj Chetupalli , Emanuël A. P. Habets

Millimeter wave offers high bandwidth for air-to-air (A2A) communication. In this paper, we evaluate the rate performance of a multiuser MIMO (MU-MIMO) configuration where several aircraft communicate with a central hub. We consider a…

Signal Processing · Electrical Eng. & Systems 2019-04-01 Travis Cuvelier , Robert W. Heath

The field of speech recognition is in the midst of a paradigm shift: end-to-end neural networks are challenging the dominance of hidden Markov models as a core technology. Using an attention mechanism in a recurrent encoder-decoder…

Sound · Computer Science 2017-03-16 Tsubasa Ochiai , Shinji Watanabe , Takaaki Hori , John R. Hershey

In this paper, we propose a multi-channel network for simultaneous speech dereverberation, enhancement and separation (DESNet). To enable gradient propagation and joint optimization, we adopt the attentional selection mechanism of the…

Sound · Computer Science 2020-11-17 Yihui Fu , Jian Wu , Yanxin Hu , Mengtao Xing , Lei Xie

Recently, our proposed recurrent neural network (RNN) based all deep learning minimum variance distortionless response (ADL-MVDR) beamformer method yielded superior performance over the conventional MVDR by replacing the matrix inversion…

Sound · Computer Science 2021-04-27 Xiyun Li , Yong Xu , Meng Yu , Shi-Xiong Zhang , Jiaming Xu , Bo Xu , Dong Yu

Considering a multiple-user multiple-input multiple-output (MIMO) channel with an eavesdropper, this letter develops a beamformer design to optimize the energy efficiency in terms of secrecy bits per Joule under secrecy quality-of-service…

Information Theory · Computer Science 2017-01-19 Nguyen T. Nghia , Hoang D. Tuan , Trung Q. Duong , H. Vincent Poor

Neural network based approaches to speech enhancement have shown to be particularly powerful, being able to leverage a data-driven approach to result in a significant performance gain versus other approaches. Such approaches are reliant on…

Sound · Computer Science 2023-12-15 George Close , William Ravenscroft , Thomas Hain , Stefan Goetze

Recent years have witnessed the unprecedented rising of time series from almost all kindes of academic and industrial fields. Various types of deep neural network models have been introduced to time series analysis, but the important…

Machine Learning · Computer Science 2018-06-26 Jingyuan Wang , Ze Wang , Jianfeng Li , Junjie Wu

Event classification is inherently sequential and multimodal. Therefore, deep neural models need to dynamically focus on the most relevant time window and/or modality of a video. In this study, we propose the Multi-level Attention Fusion…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Mathilde Brousmiche , Jean Rouat , Stéphane Dupont

Achieving a balance between lightweight design and high performance remains a challenging task for speech enhancement. In this paper, we introduce Multi-path Enhanced Taylor (MET) Transformer based U-net for Speech Enhancement (MUSE), a…

Sound · Computer Science 2024-09-18 Zizhen Lin , Xiaoting Chen , Junyu Wang

In this paper, a novel architecture for speaker recognition is proposed by cascading speech enhancement and speaker processing. Its aim is to improve speaker recognition performance when speech signals are corrupted by noise. Instead of…

Computation and Language · Computer Science 2020-05-25 Yanpei Shi , Qiang Huang , Thomas Hain

In traditional multiple-input multiple-output (MIMO) communication systems, the antenna spacing is often no smaller than half a wavelength. However, by exploiting the coupling between more closely-spaced antennas, a superdirective array may…

Signal Processing · Electrical Eng. & Systems 2024-08-28 Yali Zhang , Haifan Yin , Liangcheng Han

Foundation models based on large language models (LLMs) have shown great success in handling various tasks and modalities. However, adapting these models for general-purpose audio-language tasks is challenging due to differences in acoustic…

Artificial Intelligence · Computer Science 2025-05-27 Pooneh Mousavi , Shubham Gupta , Cem Subakan , Mirco Ravanelli

The research and applications of multimodal emotion recognition have become increasingly popular recently. However, multimodal emotion recognition faces the challenge of lack of data. To solve this problem, we propose to use transfer…

Computation and Language · Computer Science 2022-07-13 Zihan Zhao , Yanfeng Wang , Yu Wang

This report presents a general model of the architecture of information systems for the speech recognition of children. It presents a model of the speech data stream and how it works. The result of these studies and presented veins…

Human-Computer Interaction · Computer Science 2016-05-26 Radoslava Kraleva , Velin Kralev

Advent of modern deep learning techniques has given rise to advancements in the field of Speech Emotion Recognition (SER). However, most systems prevalent in the field fail to generalize to speakers not seen during training. This study…

Computation and Language · Computer Science 2024-06-21 Arnav Goel , Medha Hira , Anubha Gupta

In this paper, we suggest a new parallel, non-causal and shallow waveform domain architecture for speech enhancement based on FFTNet, a neural network for generating high quality audio waveform. In contrast to other waveform based…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-09 Muhammed PV Shifas , Nagaraj Adiga , Vassilis Tsiaras , Yannis Stylianou
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