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Iterative deep neural networks for speaker-independent binaural blind speech separation

Liu, Qingju, Xu, Yong, Jackson, Philip, Wang, Wenwu and Coleman, Philip (2018) Iterative deep neural networks for speaker-independent binaural blind speech separation In: 2018 IEEE International Conference on Acoustics, Speech and Signal Processing, 15 - 20 April 2018, Calgary, Alberta, Canada.

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Abstract

In this paper, we propose an iterative deep neural network (DNN)-based binaural source separation scheme, for recovering two concurrent speech signals in a room environment. Besides the commonly-used spectral features, the DNN also takes non-linearly wrapped binaural spatial features as input, which are refined iteratively using parameters estimated from the DNN output via a feedback loop. Different DNN structures have been tested, including a classic multilayer perception regression architecture as well as a new hybrid network with both convolutional and densely-connected layers. Objective evaluations in terms of PESQ and STOI showed consistent improvement over baseline methods using traditional binaural features, especially when the hybrid DNN architecture was employed. In addition, our proposed scheme is robust to mismatches between the training and testing data.

Item Type: Conference or Workshop Item (Conference Poster)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Liu, Qingjuq.liu@surrey.ac.uk
Xu, Yongyong.xu@surrey.ac.uk
Jackson, PhilipP.Jackson@surrey.ac.uk
Wang, WenwuW.Wang@surrey.ac.uk
Coleman, Philipp.d.coleman@surrey.ac.uk
Date : 2018
Funders : EPSRC
Copyright Disclaimer : © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works
Uncontrolled Keywords : Deep neural network, binaural blind speech separation, spectral and spatial, iterative DNN
Depositing User : Melanie Hughes
Date Deposited : 13 Apr 2018 14:48
Last Modified : 21 Apr 2018 02:08
URI: http://epubs.surrey.ac.uk/id/eprint/846225

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