Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363096 | Method and apparatus for encoding-decoding a digital signal | Pierre Duhamel | 1994-11-08 |
| 5311549 | Method and system for processing the pre-echoes of an audio-digital signal coded by frequency transformation | — | 1994-05-10 |