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The key advantage of using multiple microphones for speech enhancement is that spatial filtering can be used to complement the tempo-spectral processing. In a traditional setting, linear spatial filtering (beamforming) and single-channel…

Audio and Speech Processing · Electrical Eng. & Systems 2023-01-18 Kristina Tesch , Timo Gerkmann

Distant speech recognition is a challenge, particularly due to the corruption of speech signals by reverberation caused by large distances between the speaker and microphone. In order to cope with a wide range of reverberations in…

Computation and Language · Computer Science 2016-08-18 Jeehye Lee , Myungin Lee , Joon-Hyuk Chang

Fully convolutional recurrent neural networks (FCRNs) have shown state-of-the-art performance in single-channel speech enhancement. However, the number of parameters and the FLOPs/second of the original FCRN are restrictively high. A…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-06 Marvin Sach , Jan Franzen , Bruno Defraene , Kristoff Fluyt , Maximilian Strake , Wouter Tirry , Tim Fingscheidt

Echo path delay (or ref-delay) estimation is a big challenge in acoustic echo cancellation. Different devices may introduce various ref-delay in practice. Ref-delay inconsistency slows down the convergence of adaptive filters, and also…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-12 Yi Zhang , Chengyun Deng , Shiqian Ma , Yongtao Sha , Hui Song

As a successful deep model applied in image super-resolution (SR), the Super-Resolution Convolutional Neural Network (SRCNN) has demonstrated superior performance to the previous hand-crafted models either in speed and restoration quality.…

Computer Vision and Pattern Recognition · Computer Science 2016-08-02 Chao Dong , Chen Change Loy , Xiaoou Tang

Building large models with parameter sharing accounts for most of the success of deep convolutional neural networks (CNNs). In this paper, we propose doubly convolutional neural networks (DCNNs), which significantly improve the performance…

Machine Learning · Computer Science 2016-11-01 Shuangfei Zhai , Yu Cheng , Weining Lu , Zhongfei Zhang

Cross-domain recommendation (CDR) aims to alleviate the data sparsity by transferring knowledge across domains. Disentangled representation learning provides an effective solution to model complex user preferences by separating intra-domain…

Information Retrieval · Computer Science 2025-07-24 Yuhan Wang , Qing Xie , Zhifeng Bao , Mengzi Tang , Lin Li , Yongjian Liu

We present a novel model designed for resource-efficient multichannel speech enhancement in the time domain, with a focus on low latency, lightweight, and low computational requirements. The proposed model incorporates explicit spatial and…

Sound · Computer Science 2024-01-17 Ashutosh Pandey , Buye Xu

Noise reduction is an important part of modern hearing aids and is included in most commercially available devices. Deep learning-based state-of-the-art algorithms, however, either do not consider real-time and frequency resolution…

Audio and Speech Processing · Electrical Eng. & Systems 2020-01-29 Hendrik Schröter , Tobias Rosenkranz , Alberto N. Escalante B. , Marc Aubreville , Andreas Maier

Recurrent neural networks (RNNs) are a powerful model for sequential data. End-to-end training methods such as Connectionist Temporal Classification make it possible to train RNNs for sequence labelling problems where the input-output…

Neural and Evolutionary Computing · Computer Science 2013-03-26 Alex Graves , Abdel-rahman Mohamed , Geoffrey Hinton

Most of the current deep learning-based approaches for speech enhancement only operate in the spectrogram or waveform domain. Although a cross-domain transformer combining waveform- and spectrogram-domain inputs has been proposed, its…

Sound · Computer Science 2023-10-31 Jialu Li , Junhui Li , Pu Wang , Youshan Zhang

In this paper, we propose a model for the Environment Sound Classification Task (ESC) that consists of multiple feature channels given as input to a Deep Convolutional Neural Network (CNN) with Attention mechanism. The novelty of the paper…

Sound · Computer Science 2020-12-09 Jivitesh Sharma , Ole-Christoffer Granmo , Morten Goodwin

This paper proposes a new framework based on a wavelet transform and deep neural network for identifying noisy Raman spectrum since, in practice, it is relatively difficult to classify the spectrum under baseline noise and additive white…

Convolutional neural networks (CNN) are one of the best-performing neural network architectures for environmental sound classification (ESC). Recently, temporal attention mechanisms have been used in CNN to capture the useful information…

Sound · Computer Science 2020-05-22 Helin Wang , Yuexian Zou , Dading Chong , Wenwu Wang

Convolutional Neural Networks (CNNs) have become deeper and more complicated compared with the pioneering AlexNet. However, current prevailing training scheme follows the previous way of adding supervision to the last layer of the network…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Dawei Sun , Anbang Yao , Aojun Zhou , Hao Zhao

In this paper, we present a method that allows to further improve speech enhancement obtained with recently introduced Deep Neural Network (DNN) models. We propose a multi-channel refinement method of time-frequency masks obtained with…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-19 Julitta Bartolewska , Stanisław Kacprzak , Konrad Kowalczyk

For dual-channel speech enhancement, it is a promising idea to design an end-to-end model based on the traditional array signal processing guideline and the manifold space of multi-channel signals. We found that the idea above can be…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-27 Jinjiang Liu , Xueliang Zhang

Convolutional neural network (CNN) modules are widely being used to build high-end speech enhancement neural models. However, the feature extraction power of vanilla CNN modules has been limited by the dimensionality constraint of the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-07 Muhammed PV Shifas , Santelli Claudio , Vassilis Tsiaras , Yannis Stylianou

Convolutional neural networks (CNNs) are deep learning frameworks which are well-known for their notable performance in classification tasks. Hence, many skeleton-based action recognition and segmentation (SBARS) algorithms benefit from…

Machine Learning · Computer Science 2019-11-13 Babak Hosseini , Romain Montagne , Barbara Hammer

In this study, we conduct a comparative analysis of deep learning-based noise reduction methods in low signal-to-noise ratio (SNR) scenarios. Our investigation primarily focuses on five key aspects: The impact of training data, the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-28 Shrishti Saha Shetu , Emanuël A. P. Habets , Andreas Brendel
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