An EigenMLLR-Like Eigen-FLS Approach for Speech Pattern Recognition

Ing Jr Ding; Chih Ta Yen

doi:10.4028/www.scientific.net/AMM.284-287.3030

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 284-287An EigenMLLR-Like Eigen-FLS Approach for Speech...

An EigenMLLR-Like Eigen-FLS Approach for Speech Pattern Recognition

Abstract:

The Eigen-FLS using an eigenspace-based scheme to build up fuzzy logic system (FLS) fast for speech pattern recognition applications has been developed in the author’s previous works. However, speech pattern recognition by Eigen-FLS will still encounter a dissatisfactory recognition performance when the collected data for eigen value calculations of the FLS eigenspace, i.e. the eigen-decomposition process, is scarce. To regulate the influence of Eigen-FLS when data from a test speaker for eigen-decomposition is improper, this paper proposes an EigenMLLR-like Eigen-FLS approach. The developed EigenMLLR-like Eigen-FLS integrates the kernel idea of EigenMLLR speaker adaptation for properly adjusting the target speaker’s Eigen-FLS model in the eigenspace of FLS. EigenMLLR-like Eigen-FLS developed in this paper will be more robust than conventional Eigen-FLS in a speech pattern recognition application with an adverse condition of insufficient data from the speaker.