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Book Sections Year : 2018

Deep neural network based multichannel audio source separation


This chapter presents a multichannel audio source separation framework where deep neural networks (DNNs) are used to model the source spectra and combined with the classical multichannel Gaussian model to exploit the spatial information. The parameters are estimated in an iterative expectation-maximization (EM) fashion and used to derive a multichannel Wiener filter. Different design choices and their impact on the performance are discussed. They include the cost functions for DNN training, the number of parameter updates, the use of multiple DNNs, and the use of weighted parameter updates. Finally, we present its application to a speech enhancement task and a music separation task. The experimental results show the benefit of the multichannel DNN-based approach over a single-channel DNN-based approach and the multichannel nonnegative matrix factorization based iterative EM framework.
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Dates and versions

hal-01633858 , version 1 (13-11-2017)



Aditya Arie Nugraha, Antoine Liutkus, Emmanuel Vincent. Deep neural network based multichannel audio source separation. Audio Source Separation, Springer, pp.157-195, 2018, 978-3-319-73030-1. ⟨10.1007/978-3-319-73031-8_7⟩. ⟨hal-01633858⟩
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