Improvement of speech recognition by nonlinear noise reduction

Details Improvement of speech recognition by nonlinear noise reduction Improvement of speech recognition by nonlinear noise reduction

2005-07-06

arxiv.org/abs/physics/0507044v5

Chaos 17, 023121 (2007) (6 pages)

Physics

Data Analysis, Statistics and Probability

see urbanowicz.org.pl

Scientific paper

10.1063/1.2743614

The success of nonlinear noise reduction applied to a single channel recording of human voice is measured in terms of the recognition rate of a commercial speech recognition program in comparison to the optimal linear filter. The overall performance of the nonlinear method is shown to be superior. We hence demonstrate that an algorithm which has its roots in the theory of nonlinear deterministic dynamics possesses a large potential in a realistic application.

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