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Patents

·         “Method and Apparatus for Speech Recognition Using Optimized Partial Mixture Tying of HMM State Functions” U.S. Patent No 5.825.978, 2001.

·         “Method and apparatus for speech recognition adapted to an individual speaker”, U.S. Patent No 5.864.810, 2001.

·         “Method and apparatus for automatic text-independent grading of pronunciation for language instruction”, U.S. Patent No 6.055.498, 2000.

·         “Method and system for automatic text-independent grading of pronunciation for language instruction”, U.S. Patent No 6.226.611, 1999.

·         “Method and apparatus for automatic recognition using features encoded with product-space vector quantization”, U.S. Patent No 6.256.607, 1998.


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