Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682463 | Perceptual audio compression based on loudness uncertainty | Jonathan B. Allen, Mark Sydorenko | 1997-10-28 |
| 5488665 | Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels | James David Johnston | 1996-01-30 |