Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8355909 | Hybrid permanent/reversible dynamic range control system | Timothy J. Carroll | 2013-01-15 |
| 7433462 | Techniques for improving telephone audio quality | Richard Hodges, David Roberts, Keith A. McMillen, Sreevathsa G. Sreenivasa Reddy, Keith Edwards | 2008-10-07 |
| 6940987 | Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network | — | 2005-09-06 |