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Training neural networks for source separation involves presenting a mixture recording at the input of the network and updating network parameters in order to produce an output that resembles the clean source. Consequently, supervised…

Sound · Computer Science 2019-05-10 Shrikant Venkataramani , Efthymios Tzinis , Paris Smaragdis

When using artificial neural networks for multichannel speech enhancement, filtering is often achieved by estimating a complex-valued mask that is applied to all or one reference channel of the input signal. The estimation of this mask is…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-18 Annika Briegleb , Walter Kellermann

Audio source separation is a difficult machine learning problem and performance is measured by comparing extracted signals with the component source signals. However, if separation is motivated by the ultimate goal of re-mixing then…

Sound · Computer Science 2015-05-05 Andrew J. R Simpson , Gerard Roma , Mark D. Plumbley

Capturing audio signals with specific directivity patterns is essential in speech communication. This study presents a deep neural network (DNN)-based approach to directional filtering, alleviating the need for explicit signal models. More…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-23 Julian Wechsler , Srikanth Raj Chetupalli , Mhd Modar Halimeh , Oliver Thiergart , Emanuël A. P. Habets

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

In this paper, we address the problem of multichannel speech enhancement in the short-time Fourier transform (STFT) domain. A long short-time memory (LSTM) network takes as input a sequence of STFT coefficients associated with a frequency…

Sound · Computer Science 2020-09-24 Xiaofei LI , Radu Horaud

In this paper, we address a multichannel audio source separation task and propose a new efficient method called independent deeply learned matrix analysis (IDLMA). IDLMA estimates the demixing matrix in a blind manner and updates the…

Audio and Speech Processing · Electrical Eng. & Systems 2018-06-28 Shinichi Mogami , Hayato Sumino , Daichi Kitamura , Norihiro Takamune , Shinnosuke Takamichi , Hiroshi Saruwatari , Nobutaka Ono

Recently, deep neural network (DNN) based time-frequency (T-F) mask estimation has shown remarkable effectiveness for speech enhancement. Typically, a single T-F mask is first estimated based on DNN and then used to mask the spectrogram of…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-29 Liangchen Zhou , Wenbin Jiang , Jingyan Xu , Fei Wen , Peilin Liu

In this paper we propose a method for separation of moving sound sources. The method is based on first tracking the sources and then estimation of source spectrograms using multichannel non-negative matrix factorization (NMF) and extracting…

Sound · Computer Science 2017-10-30 Joonas Nikunen , Aleksandr Diment , Tuomas Virtanen

Although deep-learning-based methods have markedly improved the performance of speech separation over the past few years, it remains an open question how to integrate multi-channel signals for speech separation. We propose two methods,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-12 Yuichiro Koyama , Oluwafemi Azeez , Bhiksha Raj

Speech enhancement techniques based on deep learning have brought significant improvement on speech quality and intelligibility. Nevertheless, a large gain in speech quality measured by objective metrics, such as perceptual evaluation of…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-06 Bo Wu , Meng Yu , Lianwu Chen , Yong Xu , Chao Weng , Dan Su , Dong Yu

This paper proposed a Multi-Channel Multi-Domain (MCMD) based knowledge distillation algorithm for sleep staging using single-channel EEG. Both knowledge from different domains and different channels are learnt in the proposed algorithm,…

Signal Processing · Electrical Eng. & Systems 2024-01-09 Chao Zhang , Yiqiao Liao , Siqi Han , Milin Zhang , Zhihua Wang , Xiang Xie

Speech enhancement and source localization has been active research for several decades with a wide range of real-world applications. Recently, the Deep Complex Convolution Recurrent network (DCCRN) has yielded impressive enhancement…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-22 Yuan Chen , Yicheng Hsu , Mingsian R. Bai

Masked face recognition is important for social good but challenged by diverse occlusions that cause insufficient or inaccurate representations. In this work, we propose a unified deep network to learn generative-to-discriminative…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Shiming Ge , Weijia Guo , Chenyu Li , Junzheng Zhang , Yong Li , Dan Zeng

This paper proposes a design of low complexity, reconfigurable and narrow transition band (NTB) filter bank (FB). In our proposed Modified Frequency Response Masking (ModFRM) architecture, the modal filter and complementary filter in…

Signal Processing · Electrical Eng. & Systems 2020-07-20 Parvathi A. K. , V. Sakthivel

Decomposing discrete signals such as images into components is vital in many applications, and this paper propose a framework to produce filtering banks to accomplish this task. The framework is an equation set which is ill-posed, and thus…

Image and Video Processing · Electrical Eng. & Systems 2018-04-05 Yiguang Liu

This paper proposes an end-to-end approach for single-channel speaker-independent multi-speaker speech separation, where time-frequency (T-F) masking, the short-time Fourier transform (STFT), and its inverse are represented as layers within…

Sound · Computer Science 2018-04-30 Zhong-Qiu Wang , Jonathan Le Roux , DeLiang Wang , John R. Hershey

The recently proposed Multi-Layer Convolutional Sparse Coding (ML-CSC) model, consisting of a cascade of convolutional sparse layers, provides a new interpretation of Convolutional Neural Networks (CNNs). Under this framework, the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 Jeremias Sulam , Vardan Papyan , Yaniv Romano , Michael Elad

We consider the problem of audio voice separation for binaural applications, such as earphones and hearing aids. While today's neural networks perform remarkably well (separating $4+$ sources with 2 microphones) they assume a known or fixed…

Sound · Computer Science 2022-07-18 Zhongweiyang Xu , Romit Roy Choudhury

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