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We propose TF-GridNet for speech separation. The model is a novel deep neural network (DNN) integrating full- and sub-band modeling in the time-frequency (T-F) domain. It stacks several blocks, each consisting of an intra-frame full-band…

Hyperspectral change detection (HCD) is one of the core applications of remote sensing images, holding significant research value in fields like environmental monitoring and disaster assessment. However, existing methods often suffer from…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Mingshuai Sheng , Bhatti Uzair Aslam , Junfeng Zhang , Siling Feng , Yonis Gulzar

The automatic classification of animal sounds presents an enduring challenge in bioacoustics, owing to the diverse statistical properties of sound signals, variations in recording equipment, and prevalent low Signal-to-Noise Ratio (SNR)…

Sound · Computer Science 2024-07-08 Qiang Yang , Xiuying Chen , Changsheng Ma , Carlos M. Duarte , Xiangliang Zhang

This paper introduces an innovative multi-modal fusion deep learning approach to overcome the drawbacks of traditional single-modal recognition techniques. These drawbacks include incomplete information and limited diagnostic accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Xiaoyi Liu , Hongjie Qiu , Muqing Li , Zhou Yu , Yutian Yang , Yafeng Yan

Deep neural network solutions have emerged as a new and powerful paradigm for speech enhancement (SE). The capabilities to capture long context and extract multi-scale patterns are crucial to design effective SE networks. Such capabilities,…

Sound · Computer Science 2022-10-13 Shuyu Gong , Zhewei Wang , Tao Sun , Yuanhang Zhang , Charles D. Smith , Li Xu , Jundong Liu

Conventional Frequency Domain Linear Prediction (FDLP) technique models the squared Hilbert envelope of speech with varied degrees of approximation which can be sampled at the required frame rate and used as features for Automatic Speech…

Sound · Computer Science 2022-04-04 Samik Sadhu , Hynek Hermansky

Complex-valued processing has brought deep learning-based speech enhancement and signal extraction to a new level. Typically, the process is based on a time-frequency (TF) mask which is applied to a noisy spectrogram, while complex masks…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-02 Hendrik Schröter , Alberto N. Escalante-B. , Tobias Rosenkranz , Andreas Maier

Despite the significant progress in automatic speech recognition (ASR), distant ASR remains challenging due to noise and reverberation. A common approach to mitigate this issue consists of equipping the recording devices with multiple…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-20 Xinchi Qiu , Titouan Parcollet , Mirco Ravanelli , Nicholas Lane , Mohamed Morchid

While machine learning techniques are traditionally resource intensive, we are currently witnessing an increased interest in hardware and energy efficient approaches. This need for resource-efficient machine learning is primarily driven by…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-23 Lukas Pfeifenberger , Matthias Zöhrer , Günther Schindler , Wolfgang Roth , Holger Fröning , Franz Pernkopf

The front-end module in multi-channel automatic speech recognition (ASR) systems mainly use microphone array techniques to produce enhanced signals in noisy conditions with reverberation and echos. Recently, neural network (NN) based…

Sound · Computer Science 2020-11-19 Yuxiang Kong , Jian Wu , Quandong Wang , Peng Gao , Weiji Zhuang , Yujun Wang , Lei Xie

In this paper, we first present a new variant of Gaussian restricted Boltzmann machine (GRBM) called multivariate Gaussian restricted Boltzmann machine (MGRBM), with its definition and learning algorithm. Then we propose using a learned…

Computation and Language · Computer Science 2013-09-25 Xin Zheng , Zhiyong Wu , Helen Meng , Weifeng Li , Lianhong Cai

Modern automatic speaker verification relies largely on deep neural networks (DNNs) trained on mel-frequency cepstral coefficient (MFCC) features. While there are alternative feature extraction methods based on phase, prosody and long-term…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-31 Xuechen Liu , Md Sahidullah , Tomi Kinnunen

Next to decision tree and k-nearest neighbours algorithms deep convolutional neural networks (CNNs) are widely used to classify audio data in many domains like music, speech or environmental sounds. To train a specific CNN various spectral…

Sound · Computer Science 2025-09-16 Friedrich Wolf-Monheim

Speech enhancement has benefited from the success of deep learning in terms of intelligibility and perceptual quality. Conventional time-frequency (TF) domain methods focus on predicting TF-masks or speech spectrum, via a naive convolution…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-24 Yanxin Hu , Yun Liu , Shubo Lv , Mengtao Xing , Shimin Zhang , Yihui Fu , Jian Wu , Bihong Zhang , Lei Xie

Far-field speech recognition is a challenging task that conventionally uses signal processing beamforming to attack noise and interference problem. But the performance has been found usually limited due to heavy reliance on environmental…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-08 Dongdi Zhao , Jianbo Ma , Lu Lu , Jinke Li , Xuan Ji , Lei Zhu , Fuming Fang , Ming Liu , Feijun Jiang

Time series forecasting is crucial in many fields, yet current deep learning models struggle with noise, data sparsity, and capturing complex multi-scale patterns. This paper presents MFF-FTNet, a novel framework addressing these challenges…

Machine Learning · Computer Science 2024-11-27 Yangyang Shi , Qianqian Ren , Yong Liu , Jianguo Sun

Although deep learning has advanced remote sensing change detection (RSCD), most methods rely solely on image modality, limiting feature representation, change pattern modeling, and generalization especially under illumination and noise…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Yijun Zhou , Yikui Zhai , Zilu Ying , Tingfeng Xian , Wenlve Zhou , Zhiheng Zhou , Xiaolin Tian , Xudong Jia , Hongsheng Zhang , C. L. Philip Chen

The widespread adoption of mobile communication technology has led to a severe shortage of spectrum resources, driving the development of cognitive radio technologies aimed at improving spectrum utilization, with spectrum sensing being the…

Signal Processing · Electrical Eng. & Systems 2025-04-11 Shilian Zheng , Zhihao Ye , Luxin Zhang , Keqiang Yue , Zhijin Zhao

Multi-resolution spectro-temporal features of a speech signal represent how the brain perceives sounds by tuning cortical cells to different spectral and temporal modulations. These features produce a higher dimensional representation of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-28 Rahil Parikh , Nadee Seneviratne , Ganesh Sivaraman , Shihab Shamma , Carol Espy-Wilson

We propose a learnable mel-frequency cepstral coefficient (MFCC) frontend architecture for deep neural network (DNN) based automatic speaker verification. Our architecture retains the simplicity and interpretability of MFCC-based features…

Sound · Computer Science 2021-02-23 Xuechen Liu , Md Sahidullah , Tomi Kinnunen
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