Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891482 | Lossless coding method for waveform data | Peter Graham Craven | 2005-05-10 |
| 6784812 | Lossless coding method for waveform data | Peter Graham Craven | 2004-08-31 |
| 6760451 | Compensating filters | Peter Graham Craven | 2004-07-06 |
| 6664913 | Lossless coding method for waveform data | Peter Graham Craven | 2003-12-16 |
| 5815580 | Compensating filters | Peter Graham Craven | 1998-09-29 |
| 5757927 | Surround sound apparatus | Geoffrey J. Barton | 1998-05-26 |
| 5671287 | Stereophonic signal processor | — | 1997-09-23 |
| 5627899 | Compensating filters | Peter Graham Craven | 1997-05-06 |
| 5594800 | Sound reproduction system having a matrix converter | — | 1997-01-14 |
| 5555306 | Audio signal processor providing simulated source distance control | — | 1996-09-10 |
| 5511129 | Compensating filters | Peter Graham Craven | 1996-04-23 |
| 4414430 | Decoders for feeding irregular loudspeaker arrays | — | 1983-11-08 |