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Target speech extraction remains difficult for compact devices because monaural neural models lack spatial evidence and classical beamformers lose resolving power when the microphone aperture is only a few centimetres. We present IsoNet, a…

Sound · Computer Science 2026-05-18 Dinanath Padhya , Sajen Maharjan , Binita Adhikari , Ishwor Raj Pokharel

The remarkable ability of humans to selectively focus on a target speaker in cocktail party scenarios is facilitated by binaural audio processing. In this paper, we present a binaural time-domain Target Speaker Extraction model based on the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-19 Hanyu Meng , Qiquan Zhang , Xiangyu Zhang , Vidhyasaharan Sethu , Eliathamby Ambikairajah

This paper investigates deep learning techniques to predict transmit beamforming based on only historical channel data without current channel information in the multiuser multiple-input-single-output downlink. This will significantly…

Information Theory · Computer Science 2023-02-03 Juping Zhang , Gan Zheng , Yangyishi Zhang , Ioannis Krikidis , Kai-Kit Wong

Semantic segmentation is one of the core tasks in the field of computer vision, and its goal is to accurately classify each pixel in an image. The traditional Unet model achieves efficient feature extraction and fusion through an…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Xuan Li , Quanchao Lu , Yankaiqi Li , Muqing Li , Yijiashun Qi

We consider the task of region-based source separation of reverberant multi-microphone recordings. We assume pre-defined spatial regions with a single active source per region. The objective is to estimate the signals from the individual…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Julian Wechsler , Srikanth Raj Chetupalli , Wolfgang Mack , Emanuël A. P. Habets

Speech enhancement in multichannel settings has been realized by utilizing the spatial information embedded in multiple microphone signals. Moreover, deep neural networks (DNNs) have been recently advanced in this field; however, studies on…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-28 Dongheon Lee , Seongrae Kim , Jung-Woo Choi

Deep convolutional neural network (CNN) achieves remarkable performance for medical image analysis. UNet is the primary source in the performance of 3D CNN architectures for medical imaging tasks, including brain tumor segmentation. The…

Image and Video Processing · Electrical Eng. & Systems 2020-11-30 Parvez Ahmad , Saqib Qamar , Linlin Shen , Adnan Saeed

Emotion recognition from speech is a challenging task. Re-cent advances in deep learning have led bi-directional recur-rent neural network (Bi-RNN) and attention mechanism as astandard method for speech emotion recognition, extractingand…

Sound · Computer Science 2021-06-09 Zixuan Peng , Yu Lu , Shengfeng Pan , Yunfeng Liu

Purely neural network (NN) based speech separation and enhancement methods, although can achieve good objective scores, inevitably cause nonlinear speech distortions that are harmful for the automatic speech recognition (ASR). On the other…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-03 Yong Xu , Meng Yu , Shi-Xiong Zhang , Lianwu Chen , Chao Weng , Jianming Liu , Dong Yu

While current deep learning (DL)-based beamforming techniques have been proved effective in speech separation, they are often designed to process narrow-band (NB) frequencies independently which results in higher computational costs and…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Vinay Kothapally , Yong Xu , Meng Yu , Shi-Xiong Zhang , Dong Yu

The dominant speech separation models are based on complex recurrent or convolution neural network that model speech sequences indirectly conditioning on context, such as passing information through many intermediate states in recurrent…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-17 Jingjing Chen , Qirong Mao , Dong Liu

Deep learning speech separation algorithms have achieved great success in improving the quality and intelligibility of separated speech from mixed audio. Most previous methods focused on generating a single-channel output for each of the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-18 Cong Han , Yi Luo , Nima Mesgarani

The reliability of using fully convolutional networks (FCNs) has been successfully demonstrated by recent studies in many speech applications. One of the most popular variants of these FCNs is the `U-Net', which is an encoder-decoder…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-10 Vinay Kothapally , Wei Xia , Shahram Ghorbani , John H. L. Hansen , Wei Xue , Jing Huang

A promising approach for multi-microphone speech separation involves two deep neural networks (DNN), where the predicted target speech from the first DNN is used to compute signal statistics for time-invariant minimum variance…

Sound · Computer Science 2021-10-04 Zhong-Qiu Wang , Gordon Wichern , Jonathan Le Roux

Recently, many deep learning based beamformers have been proposed for multi-channel speech separation. Nevertheless, most of them rely on extra cues known in advance, such as speaker feature, face image or directional information. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-08 Yanjie Fu , Haoran Yin , Meng Ge , Longbiao Wang , Gaoyan Zhang , Jianwu Dang , Chengyun Deng , Fei Wang

Acoustic echo cancellation (AEC) in full-duplex communication systems eliminates acoustic feedback. However, nonlinear distortions induced by audio devices, background noise, reverberation, and double-talk reduce the efficiency of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-29 Vinay Kothapally , Yong Xu , Meng Yu , Shi-Xiong Zhang , Dong Yu

We propose BeamTransformer, an efficient architecture to leverage beamformer's edge in spatial filtering and transformer's capability in context sequence modeling. BeamTransformer seeks to optimize modeling of sequential relationship among…

Sound · Computer Science 2021-09-10 Siqi Zheng , Shiliang Zhang , Weilong Huang , Qian Chen , Hongbin Suo , Ming Lei , Jinwei Feng , Zhijie Yan

Speaker-aware source separation methods are promising workarounds for major difficulties such as arbitrary source permutation and unknown number of sources. However, it remains challenging to achieve satisfying performance provided a very…

Sound · Computer Science 2018-07-25 Jun Wang , Jie Chen , Dan Su , Lianwu Chen , Meng Yu , Yanmin Qian , Dong Yu

Deep neural networks (DNN) techniques have become pervasive in domains such as natural language processing and computer vision. They have achieved great success in these domains in task such as machine translation and image generation. Due…

Sound · Computer Science 2023-06-21 Peter Ochieng

We introduce CrossNet, a complex spectral mapping approach to speaker separation and enhancement in reverberant and noisy conditions. The proposed architecture comprises an encoder layer, a global multi-head self-attention module, a…

Sound · Computer Science 2024-03-07 Vahid Ahmadi Kalkhorani , DeLiang Wang