Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649054 | Method and apparatus for coding digital sound by subtracting adaptive dither and inserting buried channel bits and an apparatus for decoding such encoding digital sound | Arnoldus Werner Johannes Oomen, Marc E. Groenewegen, Raymond N. J. Veldhuis | 1997-07-15 |
| 5621855 | Subband coding of a digital signal in a stereo intensity mode | Raymond N. J. Veldhuis, Leon Maria Van De Kerkhof | 1997-04-15 |