Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7885812 | Joint training of feature extraction and acoustic model parameters for speech recognition | Alejandro Acero, Milind Mahajan | 2011-02-08 |
| 7769582 | Method of pattern recognition using noise reduction uncertainty | Alejandro Acero, Li Deng | 2010-08-03 |
| 7725314 | Method and apparatus for constructing a speech filter using estimates of clean speech and noise | Jian Wu, Li Deng, Alejandro Acero | 2010-05-25 |
| 7680656 | Multi-sensory speech enhancement using a speech-state model | Zhengyou Zhang, Zicheng Liu, Alejandro Acero, Amarnag Subramanya | 2010-03-16 |
| 7617098 | Method of noise reduction based on dynamic aspects of speech | Li Deng, Alejandro Acero | 2009-11-10 |
| 7590529 | Method and apparatus for reducing noise corruption from an alternative sensor signal during multi-sensory speech enhancement | Zhengyou Zhang, Amarnag Subramanya, Zicheng Liu | 2009-09-15 |
| 7574008 | Method and apparatus for multi-sensory speech enhancement | Zhengyou Zhang, Alejandro Acero, Xuedong Huang, Zicheng Liu | 2009-08-11 |
| 7542900 | Noise reduction using correction vectors based on dynamic aspects of speech and noise normalization | Li Deng, Alejandro Acero | 2009-06-02 |
| 7516067 | Method and apparatus using harmonic-model-based front end for robust speech recognition | Michael L. Seltzer, Alejandro Acero | 2009-04-07 |
| 7460992 | Method of pattern recognition using noise reduction uncertainty | Alejandro Acero, Li Deng | 2008-12-02 |
| 7447630 | Method and apparatus for multi-sensory speech enhancement | Zicheng Liu, Michael J. Sinclair, Alejandro Acero, Xuedong Huang, Li Deng +2 more | 2008-11-04 |
| 7418383 | Noise robust speech recognition with a switching linear dynamic model | Alejandro Acero | 2008-08-26 |
| 7363221 | Method of noise reduction using instantaneous signal-to-noise ratio as the principal quantity for optimal estimation | Li Deng, Alejandro Acero | 2008-04-22 |
| 7289955 | Method of determining uncertainty associated with acoustic distortion-based noise reduction | Li Deng, Alejandro Acero | 2007-10-30 |
| 7266494 | Method and apparatus for identifying noise environments from noisy signals | Alejandro Acero, Li Deng | 2007-09-04 |
| 7200557 | Method of reducing index sizes used to represent spectral content vectors | Alejandro Acero, Constantinos Boulis | 2007-04-03 |
| 7181390 | Noise reduction using correction vectors based on dynamic aspects of speech and noise normalization | Li Deng, Alejandro Acero | 2007-02-20 |
| 7174292 | Method of determining uncertainty associated with acoustic distortion-based noise reduction | Li Deng, Alejandro Acero | 2007-02-06 |
| 7165026 | Method of noise estimation using incremental bayes learning | Alejandro Acero, Li Deng | 2007-01-16 |
| 7139703 | Method of iterative noise estimation in a recursive framework | Alejandro Acero, Li Deng | 2006-11-21 |
| 7117148 | Method of noise reduction using correction vectors based on dynamic aspects of speech and noise normalization | Li Deng, Alejandro Acero | 2006-10-03 |
| 7107210 | Method of noise reduction based on dynamic aspects of speech | Li Deng, Alejandro Acero | 2006-09-12 |
| 7103540 | Method of pattern recognition using noise reduction uncertainty | Alejandro Acero, Li Deng | 2006-09-05 |
| 7047047 | Non-linear observation model for removing noise from corrupted signals | Alejandro Acero, Li Deng | 2006-05-16 |
| 6959276 | Including the category of environmental noise when processing speech signals | Alejandro Acero, Li Deng | 2005-10-25 |