Speech recognition in noisy environments

Details Speech recognition in noisy environments Speech recognition in noisy environments

2005-02-01

2005-02-01

McFadden, Susan (Department: 2655)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

C704S255000

Reexamination Certificate

active

06850887

ABSTRACT:
Methods and apparatus for providing speech recognition in noisy environments. An energy level associated with audio input is ascertained, and a decision is rendered on whether to accept the at least one word as valid speech input, based on the ascertained energy level.

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Philips Corporation, “Noise Suppression”, http://www.research.philips.com/password/pw4/pw4_10b.html.
Thomas Kemp, et al., “Estimating Confidence Using Word Lattices”, Proceedings of Eurospeech, Rhodes, Sep. 1997, pp. 827-830.
Frederick Jelinek, “Statistical Methods for Speech Recognition”, MIT Press, 1997.
Lawrence Rabiner et al., “Fundamentals of Speech Recognition”, Prentice Hall 1993.
Alejandro Acero, “Accoustical and Environmental Robustness in Automatic Speech Recognition”, PhD Thesis, Carnegie Mellon University, 1990.

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