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A neural network is essentially a high-dimensional complex mapping model by adjusting network weights for feature fitting. However, the spectral bias in network training leads to unbearable training epochs for fitting the high-frequency…

信号处理 · 电气工程与系统科学 2021-06-22 Zhi Zeng , Pengpeng Shi , Fulei Ma , Peihan Qi

For speech recognition, deep neural networks (DNNs) have significantly improved the recognition accuracy in most of benchmark datasets and application domains. However, compared to the conventional Gaussian mixture models, DNN-based…

计算与语言 · 计算机科学 2017-06-15 Liang Lu , Steve Renals

Current deep neural network (DNN) based speech separation faces a fundamental challenge -- while the models need to be trained on short segments due to computational constraints, real-world applications typically require processing…

音频与语音处理 · 电气工程与系统科学 2025-07-04 Yuzhu Wang , Archontis Politis , Konstantinos Drossos , Tuomas Virtanen

In time-varying fading channels, channel coefficients are estimated using pilot symbols that are transmitted every coherence interval. For channels with high Doppler spread, the rapid channel variations over time will require considerable…

信息论 · 计算机科学 2022-03-24 Sandesh Rao Mattu , Lakshmi Narasimhan T , A. Chockalingam

Recently, neural directional filtering (NDF) has been introduced as a flexible approach for reconstructing a virtual directional microphone (VDM) with a desired directivity pattern for spatial sound capture. Building on this idea, we…

音频与语音处理 · 电气工程与系统科学 2026-05-08 Weilong Huang , Le Nhat Tam Huynh , Oliver Thiergart , Emanuël A. P. Habets

Many techniques have been developed, such as model compression, to make Deep Neural Networks (DNNs) inference more efficiently. Nevertheless, DNNs still lack excellent run-time dynamic inference capability to enable users trade-off accuracy…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Li Yang , Zhezhi He , Yu Cao , Deliang Fan

Deep neural networks (DNNs) have been successfully applied to a wide variety of acoustic modeling tasks in recent years. These include the applications of DNNs either in a discriminative feature extraction or in a hybrid acoustic modeling…

机器学习 · 统计学 2016-06-21 Vikrant Singh Tomar , Richard C. Rose

We study a deep learning (DL) based limited feedback methods for multi-antenna systems. Deep neural networks (DNNs) are introduced to replace an end-to-end limited feedback procedure including pilot-aided channel training process, channel…

信息论 · 计算机科学 2019-12-20 Jeonghyeon Jang , Hoon Lee , Sangwon Hwang , Haibao Ren , Inkyu Lee

This paper presents a novel approach for indoor acoustic source localization using microphone arrays and based on a Convolutional Neural Network (CNN). The proposed solution is, to the best of our knowledge, the first published work in…

声音 · 计算机科学 2019-02-01 Juan Manuel Vera-Diaz , Daniel Pizarro , Javier Macias-Guarasa

We propose a deep beamforming framework for enhancing target speaker(s) in multi-speaker environments. A deep neural network (DNN) is trained to estimate beamforming weights directly from noisy multichannel inputs while satisfying linear…

音频与语音处理 · 电气工程与系统科学 2026-05-21 Ilai Zaidel , Ori Engel , Bar Engel , Sharon Gannot

Recently, deep neural network (DNN) has been widely adopted in the design of intelligent communication systems thanks to its strong learning ability and low testing complexity. However, most current offline DNN-based methods still suffer…

信息论 · 计算机科学 2022-02-08 Jiabao Gao , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang

Deep Neural Networks (DNNs) have already become a crucial computational approach to revealing the spatial patterns in the human brain; however, there are three major shortcomings in utilizing DNNs to detect the spatial patterns in…

机器学习 · 计算机科学 2022-05-26 Wei Zhang , Yu Bao

State-of-the-art performance for many edge applications is achieved by deep neural networks (DNNs). Often, these DNNs are location- and time-sensitive, and must be delivered over a wireless channel rapidly and efficiently. In this paper, we…

网络与互联网体系结构 · 计算机科学 2023-07-21 Mikolaj Jankowski , Deniz Gunduz , Krystian Mikolajczyk

Several studies have been conducted to automatically recognize activities of construction equipment using their generated sound patterns. Most of these studies are focused on single-machine scenarios under controlled environments. However,…

信号处理 · 电气工程与系统科学 2020-04-28 Behnam Sherafat , Abbas Rashidi , Siyuan Song

Directional Selective Fixed-Filter Active Noise Control (D-SFANC) can effectively attenuate noise from different directions by selecting the suitable pre-trained control filter based on the Direction-of-Arrival (DoA) of the current noise.…

音频与语音处理 · 电气工程与系统科学 2026-04-28 Boxiang Wang , Zhengding Luo , Dongyuan Shi , Junwei Ji , Xiruo Su , Woon-Seng Gan

Deep-neural-network (DNN) based noise suppression systems yield significant improvements over conventional approaches such as spectral subtraction and non-negative matrix factorization, but do not generalize well to noise conditions they…

声音 · 计算机科学 2018-06-06 Deepak Baby , Sarah Verhulst

Sound processing in the human auditory system is complex and highly non-linear, whereas hearing aids (HAs) still rely on simplified descriptions of auditory processing or hearing loss to restore hearing. Even though standard HA…

音频与语音处理 · 电气工程与系统科学 2023-06-21 Fotios Drakopoulos , Sarah Verhulst

A promising approach for speech dereverberation is based on supervised learning, where a deep neural network (DNN) is trained to predict the direct sound from noisy-reverberant speech. This data-driven approach is based on leveraging prior…

声音 · 计算机科学 2021-11-11 Zhong-Qiu Wang , Gordon Wichern , Jonathan Le Roux

Recent studies in deep learning-based speech separation have proven the superiority of time-domain approaches to conventional time-frequency-based methods. Unlike the time-frequency domain approaches, the time-domain separation systems…

音频与语音处理 · 电气工程与系统科学 2020-03-30 Yi Luo , Zhuo Chen , Takuya Yoshioka

A stream attention framework has been applied to the posterior probabilities of the deep neural network (DNN) to improve the far-field automatic speech recognition (ASR) performance in the multi-microphone configuration. The stream…

声音 · 计算机科学 2017-12-01 Xiaofei Wang , Yonghong Yan , Hynek Hermansky