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Normalizing internal representations for speech classification

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2 Author(s)
R. R. Sarukkai ; Dept. of Comput. Sci., Rochester Univ., NY, USA ; D. H. Ballard

Speech segments are encoded using an autoassociative network, and the possibility of matching the hidden unit activation sequences for classification is studied. Good discrimination can be achieved by matching the lower dimensional projections of the unknown with template speech patterns. The possibility of normalizing the variations of the hidden unit activation sequences is then explored. In particular, experiments demonstrate the advantage of the presented technique for single- and multi-speaker syllable distinction tasks. Normalisation of the encoded representations of sounds within classes and across speakers improves results significantly

Published in:

Neural Networks, 1994. IEEE World Congress on Computational Intelligence., 1994 IEEE International Conference on  (Volume:7 )

Date of Conference:

27 Jun-2 Jul 1994