Inventor · disambiguated record
Lalit R. Bahl
Also filed as: BAHL LALIT R · BAHL LALIT RAI
36 granted patents·3,468 citations·filing 1975–1999
99Inventor score
Files withIBM36
Top patents by PatentIndex Score
36 records- 0197US5033087AMethod and apparatus for the automatic determination of phonological rules as for a continuous speech recognition systemIBM·Filed 1989·Granted Jul 16, 1991·302 cites·24 claims
- 0297US4718094ASpeech recognition systemIBM·Filed 1986·Granted Jan 5, 1988·327 cites·97 claims
- 0396US4819271AConstructing Markov model word baseforms from multiple utterances by concatenating model sequences for word segmentsIBM·Filed 1987·Granted Apr 4, 1989·285 cites·18 claims
- 0494US5165007AFeneme-based Markov models for wordsIBM·Filed 1989·Granted Nov 17, 1992·238 cites·2 claims
- 0594US4833712AAutomatic generation of simple Markov model stunted baseforms for words in a vocabularyIBM·Filed 1985·Granted May 23, 1989·262 cites·24 claims
- 0693US5333236ASpeech recognizer having a speech coder for an acoustic match based on context-dependent speech-transition acoustic modelsIBM·Filed 1992·Granted Jul 26, 1994·247 cites·31 claims
- 0791US5233681AContext-dependent speech recognizer using estimated next word contextIBM·Filed 1992·Granted Aug 3, 1993·82 cites·31 claims
- 0889US6067517ATranscription of speech data with segments from acoustically dissimilar environmentsIBM·Filed 1996·Granted May 23, 2000·152 cites·37 claims
- 0989US5195167AApparatus and method of grouping utterances of a phoneme into context-dependent categories based on sound-similarity for automatic speech recognitionIBM·Filed 1992·Granted Mar 16, 1993·197 cites·10 claims
- 1089US4291406AError correction on burst channels by sequential decodingIBM·Filed 1979·Granted Sep 22, 1981·69 cites·13 claims
- 1188US4028731AApparatus for compression coding using cross-array correlation between two-dimensional matrices derived from two-valued digital imagesIBM·Filed 1975·Granted Jun 7, 1977·45 cites·11 claims
- 1287US4980918ASpeech recognition system with efficient storage and rapid assembly of phonological graphsIBM·Filed 1985·Granted Dec 25, 1990·115 cites·23 claims
- 1385US4817156ARapidly training a speech recognizer to a subsequent speaker given training data of a reference speakerIBM·Filed 1987·Granted Mar 28, 1989·104 cites·25 claims
- 1483US4852173ADesign and construction of a binary-tree system for language modellingIBM·Filed 1987·Granted Jul 25, 1989·43 cites·12 claims
- 1577US4741036ADetermination of phone weights for markov models in a speech recognition systemIBM·Filed 1985·Granted Apr 26, 1988·65 cites·17 claims
- 1676US6058205ASystem and method for partitioning the feature space of a classifier in a pattern classification systemIBM·Filed 1997·Granted May 2, 2000·77 cites·16 claims
- 1776US4748670AApparatus and method for determining a likely word sequence from labels generated by an acoustic processorIBM·Filed 1985·Granted May 31, 1988·64 cites·17 claims
- 1875US5884259AMethod and apparatus for a time-synchronous tree-based search strategyIBM·Filed 1997·Granted Mar 16, 1999·73 cites·27 claims
- 1975US5787394AState-dependent speaker clustering for speaker adaptationIBM·Filed 1995·Granted Jul 28, 1998·78 cites·23 claims
- 2073US4977599ASpeech recognition employing a set of Markov models that includes Markov models representing transitions to and from silenceIBM·Filed 1988·Granted Dec 11, 1990·56 cites·19 claims
- 2172US6343270B1Method for increasing dialect precision and usability in speech recognition and text-to-speech systemsIBM·Filed 1998·Granted Jan 29, 2002·66 cites·24 claims
- 2272US4827521ATraining of markov models used in a speech recognition systemIBM·Filed 1986·Granted May 2, 1989·54 cites·21 claims
- 2372US4759068AConstructing Markov models of words from multiple utterancesIBM·Filed 1985·Granted Jul 19, 1988·53 cites·13 claims
- 2466US5278942ASpeech coding apparatus having speaker dependent prototypes generated from nonuser reference dataIBM·Filed 1991·Granted Jan 11, 1994·50 cites·39 claims
- 2565US4882759ASynthesizing word baseforms used in speech recognitionIBM·Filed 1986·Granted Nov 21, 1989·40 cites·19 claims
- 2663US5455889ALabelling speech using context-dependent acoustic prototypesIBM·Filed 1993·Granted Oct 3, 1995·50 cites·14 claims
- 2760US5497447ASpeech coding apparatus having acoustic prototype vectors generated by tying to elementary models and clustering around reference vectorsIBM·Filed 1993·Granted Mar 5, 1996·43 cites·17 claims
- 2859US5280562ASpeech coding apparatus with single-dimension acoustic prototypes for a speech recognizerIBM·Filed 1991·Granted Jan 18, 1994·20 cites·28 claims
- 2958US5182773ASpeaker-independent label coding apparatusIBM·Filed 1991·Granted Jan 26, 1993·35 cites·76 claims
- 3057US6377921B1Identifying mismatches between assumed and actual pronunciations of wordsIBM·Filed 1998·Granted Apr 23, 2002·35 cites·19 claims
- 3157US6260014B1Specific task composite acoustic modelsIBM·Filed 1998·Granted Jul 10, 2001·34 cites·27 claims
- 3252US5970239AApparatus and method for performing model estimation utilizing a discriminant measureIBM·Filed 1997·Granted Oct 19, 1999·29 cites·23 claims
- 3348US5875426ARecognizing speech having word liaisons by adding a phoneme to reference word modelsIBM·Filed 1996·Granted Feb 23, 1999·24 cites·4 claims
- 3445US5995931AMethod for modeling and recognizing speech including word liaisonsIBM·Filed 1999·Granted Nov 30, 1999·19 cites·14 claims
- 3543US5276766AFast algorithm for deriving acoustic prototypes for automatic speech recognitionIBM·Filed 1991·Granted Jan 4, 1994·17 cites·14 claims
- 3643US5129001AMethod and apparatus for modeling words with multi-arc markov modelsIBM·Filed 1990·Granted Jul 7, 1992·18 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →