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Conference papers

Structural State-Based Frame Synchronous Compensation

Vincent Barreaud 1 Irina Illina 1 Dominique Fohr 1 Fillip Korkmazsky 1
1 PAROLE - Analysis, perception and recognition of speech
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : In this paper we present improvements of a frame-synchronous noise compensation algorithm that uses Stochastic Matching approach to cope with time-varying unknown noise. We propose to estimate a hierarchical mapping function in parallel with Viterbi alignment. The structure of the transformation tree is build from the states of acoustical models. The objective of this hierarchical transformation is to better compensate non-linear distortions of the feature space. The technique is entirely general since no assumption is made on the nature, level and variation of noise. Our algorithm is evaluated on the VODIS database recorded in a moving car. For various tasks, proposed technique significantly outperforms classical compensation/adaptation methods.
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Conference papers
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https://hal.inria.fr/inria-00099755
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Submitted on : Tuesday, September 26, 2006 - 9:40:58 AM
Last modification on : Thursday, January 11, 2018 - 6:19:57 AM

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Vincent Barreaud, Irina Illina, Dominique Fohr, Fillip Korkmazsky. Structural State-Based Frame Synchronous Compensation. European Conference on Speech Communication and Technologies - Eurospeech'03, 2003, Genève, Suisse, 4 p. ⟨inria-00099755⟩

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