Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7219056 | Determining and using acoustic confusability, acoustic perplexity and synthetic acoustic word error rate | Scott E. Axelrod, Peder Andreas Olsen, Harry Printz | 2007-05-15 |
| 6493667 | Enhanced likelihood computation using regression in a speech recognition system | Yuqing Gao, Michael A. Picheny, Bhuvana Ramabhadran | 2002-12-10 |
| 5884261 | Method and apparatus for tone-sensitive acoustic modeling | Adam Barry Fineberg, Hsiao-Wuen Hon, Baosheng Yuan | 1999-03-16 |
| 5737490 | Method and apparatus for constructing continuous parameter fenonic hidden markov models by replacing phonetic models with continous fenonic models | Stephen Christopher Austin | 1998-04-07 |
| 5615299 | Speech recognition using dynamic features | Lahit R. Bahl, Ponani Gopalakrishnan, Michael A. Picheny | 1997-03-25 |
| 5455889 | Labelling speech using context-dependent acoustic prototypes | Lalit R. Bahl, P. GOPALAKRISHNAN, Michael A. Picheny | 1995-10-03 |
| 5333236 | Speech recognizer having a speech coder for an acoustic match based on context-dependent speech-transition acoustic models | Lalit R. Bahl, Ponani Gopalakrishnan, Michael A. Picheny | 1994-07-26 |
| 5278942 | Speech coding apparatus having speaker dependent prototypes generated from nonuser reference data | Lalit R. Bahl, Jerome R. Bellegarda, Ponani Gopalakrishnan, Arthur J. Nadas, David Nahamoo +1 more | 1994-01-11 |
| 5233681 | Context-dependent speech recognizer using estimated next word context | Lalit R. Bahl, Ponani Gopalakrishnan, Michael A. Picheny | 1993-08-03 |
| 5222146 | Speech recognition apparatus having a speech coder outputting acoustic prototype ranks | Latit R. Bahl, Ponani Gopalakrishnan, Michael A. Picheny | 1993-06-22 |
| 5195167 | Apparatus and method of grouping utterances of a phoneme into context-dependent categories based on sound-similarity for automatic speech recognition | Lalit R. Bahl, Ponani Gopalakrishnan, David Nahamoo, Michael A. Picheny | 1993-03-16 |
| 5182773 | Speaker-independent label coding apparatus | Lalit R. Bahl, Michael A. Picheny, David Nahamoo | 1993-01-26 |
| 5129001 | Method and apparatus for modeling words with multi-arc markov models | Lalit R. Bahl, Jerome R. Bellegarda, Ponani Gopalakrishnan, David Nahamoo, Michael A. Picheny | 1992-07-07 |
| 5072452 | Automatic determination of labels and Markov word models in a speech recognition system | Peter F. Brown, David Nahomoo, Michael A. Picheny | 1991-12-10 |