Abstract / truncated to 115 words (read the full abstract)

This work is focused on the processing of multichannel and multisource audio signals. From an audio mixture of several audio sources recorded in a reverberant room, we wish to es- timate the acoustic responses (a.k.a. mixing filters) between the sources and the microphones. To solve this inverse problem one need to take into account additional hypotheses on the nature of the acoustic responses. Our approach consists in first identifying mathematically the neces- sary hypotheses on the acoustic responses for their estimation and then building cost functions and algorithms to effectively estimate them. First, we considered the case where the source signals are known. We developed a method to estimate the acoustic responses based on a ... toggle 4 keywords

compressed sensing sparse representations audio source seperation deconvolution


Benichoux, Alexis
Université Rennes I
Publication Year
Upload Date
Oct. 24, 2017

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