Christophe Beaugeant — accepted AI-conference papers

2017

Artificial bandwidth extension using the constant Q transform

Pramod B. Bachhav, Massimiliano Todisco, Moctar Mossi Idrissa, Christophe Beaugeant, Nicholas W. D. Evans

ICASSP 2017accepted

Most artificial bandwidth extension (ABE) algorithms are based on the classical source-filter model of speech production. This approach generally requires the dual extension of each component through independent processing. Alternative approaches reported recently operate on the spectrum. With human…

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2015

Non-linear acoustic echo cancellation using empirical mode decomposition

Leela K. Gudupudi, Navin Chatlani, Christophe Beaugeant, Nicholas W. D. Evans

ICASSP 2015accepted

The increasing popularity of miniature devices and loudspeakers has fuelled research in non-linear acoustic echo cancellation (NAEC). This paper reports a novel approach to NAEC based on empirical mode decomposition (EMD), a recently developed technique in non-linear and non-stationary signal analys…

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