Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8369580 | Method for transforming a feature vector | Chun-Lung Chen, Antonius Hermanus Maria Akkermans, Thomas Kevenaar | 2013-02-05 |
| 6044345 | Method and system for coding human speech for subsequent reproduction thereof | — | 2000-03-28 |
| 6009384 | Method for coding human speech by joining source frames and an apparatus for reproducing human speech so coded | Paul Augustinus Peter Kaufholz | 1999-12-28 |
| 5970440 | Method and device for short-time Fourier-converting and resynthesizing a speech signal, used as a vehicle for manipulating duration or pitch | Haiyan He | 1999-10-19 |
| 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, Robbert G. Van Der Waal | 1997-07-15 |
| 5621855 | Subband coding of a digital signal in a stereo intensity mode | Robbert G. Van Der Waal, Leon Maria Van De Kerkhof | 1997-04-15 |
| 5491773 | Encoding system comprising a subband coder for subband coding of a wideband digital signal constituted by first and second signal components | Robbert G. Van Der Waal | 1996-02-13 |
| 5367608 | Transmitter, encoding system and method employing use of a bit allocation unit for subband coding a digital signal | Gerrit J. Keesman | 1994-11-22 |
| 5365553 | Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal | Robbert G. Van Der Waal, Leon Maria Van De Kerkhof, Gerrit J. Keesman | 1994-11-15 |
| 5224061 | Method of and arrangement for restoring invalid samples of an equidistantly sampled signal | — | 1993-06-29 |
| 5214678 | Digital transmission system using subband coding of a digital signal | Jean-Bernard Rault, Yves-Francois Dehery, Jean Y. Roudaut, Alphons A. M. L. Bruekers | 1993-05-25 |
| 5161210 | Coder for incorporating an auxiliary information signal in a digital audio signal, decoder for recovering such signals from the combined signal, and record carrier having such combined signal recorded thereon | Willem F. Druyvesteyn, Abraham Hoogendoorn, Leon Maria Van De Kerkhof | 1992-11-03 |
| 5146457 | Device for transmitting data words representing a digitalized analog signal and device for receiving the transmitted data words | Gerrit J. Keesman | 1992-09-08 |
| 5105463 | System for subband coding of a digital audio signal and coder and decoder constituting the same | Robbert G. Van Der Waal, Marcel Breeuwer | 1992-04-14 |
| 5025404 | Method of correcting erroneous values of samples of an equidistantly sampled signal and device for carrying out the method | Augustus J. E. M. Janssen, Hendrik J. Prins, Lodewijk B. Vries | 1991-06-18 |
| 4897724 | Apparatus and method for reproducing digitized video pictures, with inclined plane error restoration | — | 1990-01-30 |
| 4896362 | System for subband coding of a digital audio signal | Robbert G. Van Der Waal, Marcel Breeuwer | 1990-01-23 |
| 4876595 | Device for reproducing digitized video pictures using an improved restoration method | — | 1989-10-24 |
| 4839843 | Method and apparatus for correcting a sequence of invalid samples of an equidistantly sampled signal | — | 1989-06-13 |