Inventor
BAHL LALIT R
US27 patents
Patents
27 patentsUS5333236AJul 26, 1994
Speech recognizer having a speech coder for an acoustic match based on context-dependent speech-transition acoustic models
IBM247 citations99
US5195167AMar 16, 1993
Apparatus and method of grouping utterances of a phoneme into context-dependent categories based on sound-similarity for automatic speech recognition
IBM197 citations99
US5165007ANov 17, 1992
Feneme-based Markov models for words
IBM238 citations99
US5033087AJul 16, 1991
Method and apparatus for the automatic determination of phonological rules as for a continuous speech recognition system
IBM302 citations99
US4833712AMay 23, 1989
Automatic generation of simple Markov model stunted baseforms for words in a vocabulary
IBM262 citations99
US4819271AApr 4, 1989
Constructing Markov model word baseforms from multiple utterances by concatenating model sequences for word segments
IBM285 citations99
US5233681AAug 3, 1993
Context-dependent speech recognizer using estimated next word context
IBM82 citations96
US4980918ADec 25, 1990
Speech recognition system with efficient storage and rapid assembly of phonological graphs
IBM115 citations96
US4977599ADec 11, 1990
Speech recognition employing a set of Markov models that includes Markov models representing transitions to and from silence
IBM56 citations96
US4827521AMay 2, 1989
Training of markov models used in a speech recognition system
IBM54 citations96
US4817156AMar 28, 1989
Rapidly training a speech recognizer to a subsequent speaker given training data of a reference speaker
IBM104 citations96
US4741036AApr 26, 1988
Determination of phone weights for markov models in a speech recognition system
IBM65 citations96
US4718094AJan 5, 1988
Speech recognition system
IBM327 citations96
US6343270B1Jan 29, 2002
Method for increasing dialect precision and usability in speech recognition and text-to-speech systems
IBM66 citations95
US4748670AMay 31, 1988
Apparatus and method for determining a likely word sequence from labels generated by an acoustic processor
IBM64 citations95
US4291406ASep 22, 1981
Error correction on burst channels by sequential decoding
IBM69 citations94
US6377921B1Apr 23, 2002
Identifying mismatches between assumed and actual pronunciations of words
IBM35 citations92
US5280562AJan 18, 1994
Speech coding apparatus with single-dimension acoustic prototypes for a speech recognizer
IBM20 citations92
US5278942AJan 11, 1994
Speech coding apparatus having speaker dependent prototypes generated from nonuser reference data
IBM50 citations92
US5182773AJan 26, 1993
Speaker-independent label coding apparatus
IBM35 citations92
US4882759ANov 21, 1989
Synthesizing word baseforms used in speech recognition
IBM40 citations92
US4852173AJul 25, 1989
Design and construction of a binary-tree system for language modelling
IBM43 citations92
US4759068AJul 19, 1988
Constructing Markov models of words from multiple utterances
IBM53 citations92
US5497447AMar 5, 1996
Speech coding apparatus having acoustic prototype vectors generated by tying to elementary models and clustering around reference vectors
IBM43 citations90
US5455889AOct 3, 1995
Labelling speech using context-dependent acoustic prototypes
IBM50 citations87
US5276766AJan 4, 1994
Fast algorithm for deriving acoustic prototypes for automatic speech recognition
IBM17 citations74
US5129001AJul 7, 1992
Method and apparatus for modeling words with multi-arc markov models
IBM18 citations74