Predictive Kohonen map for speech features extraction

Authors:
Bruno Gas;Mohamed Chetouani;Jean-Luc Zarader;Christophe Charbuillet
Affiliations:
Laboratoire des Instruments et Systèmes d'Ile de France, Université Paris VI, France;Laboratoire des Instruments et Systèmes d'Ile de France, Université Paris VI, France;Laboratoire des Instruments et Systèmes d'Ile de France, Université Paris VI, France;Laboratoire des Instruments et Systèmes d'Ile de France, Université Paris VI, France
Venue:
ICANN'05 Proceedings of the 15th international conference on Artificial neural networks: formal models and their applications - Volume Part II
Year:
2005

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Abstract

Some well known theoretical results concerning the universal approximation property of MLP neural networks with one hidden layer have shown that for any function f from [0, 1]n to R, only the output layer weights depend on f. We use this result to propose a network architecture called the predictive Kohonen map allowing to design a new speech features extractor. We give experimental results of this approach on a phonemes recognition task.