Issued Patents All Time
Showing 51–75 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7617104 | Method of speech recognition using hidden trajectory Hidden Markov Models | Jian Zhou, Frank Torsten Bernd Seide | 2009-11-10 |
| 7565284 | Acoustic models with structured hidden dynamics with integration over many possible hidden trajectories | Alejandro Acero, Dong-Sheng Yu, Xiang Li | 2009-07-21 |
| 7565292 | Quantitative model for formant dynamics and contextually assimilated reduction in fluent speech | Alejandro Acero, Dong-Sheng Yu | 2009-07-21 |
| 7542900 | Noise reduction using correction vectors based on dynamic aspects of speech and noise normalization | James G. Droppo, Alejandro Acero | 2009-06-02 |
| 7519531 | Speaker adaptive learning of resonance targets in a hidden trajectory model of speech coarticulation | Alejandro Acero, Dong-Sheng Yu | 2009-04-14 |
| 7487087 | Method of speech recognition using variational inference with switching state space models | Hagai Attias, Leo Lee | 2009-02-03 |
| 7480615 | Method of speech recognition using multimodal variational inference with switching state space models | Hagai Attias, Leo Lee | 2009-01-20 |
| 7475011 | Greedy algorithm for identifying values for vocal tract resonance vectors | Alejandro Acero, Issam Bazzi | 2009-01-06 |
| 7460992 | Method of pattern recognition using noise reduction uncertainty | James G. Droppo, Alejandro Acero | 2008-12-02 |
| 7454336 | Variational inference and learning for segmental switching state space models of hidden speech dynamics | Hagai Attias, Leo Lee | 2008-11-18 |
| 7451083 | Removing noise from feature vectors | Brendan Frey, Alejandro Acero | 2008-11-11 |
| 7447630 | Method and apparatus for multi-sensory speech enhancement | Zicheng Liu, Michael J. Sinclair, Alejandro Acero, Xuedong Huang, James G. Droppo +2 more | 2008-11-04 |
| 7424423 | Method and apparatus for formant tracking using a residual model | Issam Bazzi, Alejandro Acero | 2008-09-09 |
| 7409346 | Two-stage implementation for phonetic recognition using a bi-directional target-filtering model of speech coarticulation and reduction | Alejandro Acero, Dong-Sheng Yu | 2008-08-05 |
| 7406303 | Multi-sensory speech enhancement using synthesized sensor signal | Zhengyou Zhang, Zicheng Liu, Amarnag Subramanya | 2008-07-29 |
| 7363221 | Method of noise reduction using instantaneous signal-to-noise ratio as the principal quantity for optimal estimation | James G. Droppo, Alejandro Acero | 2008-04-22 |
| 7346510 | Method of speech recognition using variables representing dynamic aspects of speech | — | 2008-03-18 |
| 7310599 | Removing noise from feature vectors | Brendan Frey, Alejandro Acero | 2007-12-18 |
| 7289955 | Method of determining uncertainty associated with acoustic distortion-based noise reduction | Alejandro Acero, James G. Droppo | 2007-10-30 |
| 7266494 | Method and apparatus for identifying noise environments from noisy signals | James G. Droppo, Alejandro Acero | 2007-09-04 |
| 7254536 | Method of noise reduction using correction and scaling vectors with partitioning of the acoustic space in the domain of noisy speech | Xuedong Huang, Alejandro Acero | 2007-08-07 |
| 7206741 | Method of speech recognition using time-dependent interpolation and hidden dynamic value classes | Jian Zhou, Frank Torsten Bernd Seide, Asela J. Gunawardana, Hagai Attias, Alejandro Acero +1 more | 2007-04-17 |
| 7181390 | Noise reduction using correction vectors based on dynamic aspects of speech and noise normalization | James G. Droppo, Alejandro Acero | 2007-02-20 |
| 7174292 | Method of determining uncertainty associated with acoustic distortion-based noise reduction | Alejandro Acero, James G. Droppo | 2007-02-06 |
| 7165026 | Method of noise estimation using incremental bayes learning | Alejandro Acero, James G. Droppo | 2007-01-16 |