Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7912567 | Noise suppressor | Hui Li, Andrew Linkens, Mark C. Smith | 2011-03-22 |
| 5717824 | Adaptive speech coder having code excited linear predictor with multiple codebook searches | — | 1998-02-10 |
| 5457783 | Adaptive speech coder having code excited linear prediction | — | 1995-10-10 |
| 5042069 | Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals | Philip J. Wilson | 1991-08-20 |
| 5012517 | Adaptive transform coder having long term predictor | Philip J. Wilson | 1991-04-30 |