Issued Patents All Time
Showing 251–275 of 310 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9129597 | Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding | Stefan Bayer, Tom Baeckstroem, Ralf Geiger, Bernd Edler, Sascha Disch | 2015-09-08 |
| 9111530 | MDCT-based complex prediction stereo coding | Heiko Purnhagen, Pontus Carlsson | 2015-08-18 |
| 8983852 | Efficient combined harmonic transposition | Per Ekstrand, Per Hedelin | 2015-03-17 |
| 8948405 | Binaural multi-channel decoder in the context of non-energy-conserving upmix rules | — | 2015-02-03 |
| 8898067 | Subband block based harmonic transposition | — | 2014-11-25 |
| 8886346 | Oversampling in a combined transposer filter bank | Per Ekstrand | 2014-11-11 |
| 8838441 | Time warped modified transform coding of audio signals | — | 2014-09-16 |
| 8818541 | Cross product enhanced harmonic transposition | Per Hedelin | 2014-08-26 |
| 8756266 | Partially complex modulated filter bank | Per Ekstrand, Heiko Purnhagen | 2014-06-17 |
| 8693696 | Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation | Heiko Purnhagen, Jonas Engdegard, Jonas Roeden, Kristofer Kjoerling | 2014-04-08 |
| 8687829 | Apparatus and method for multi-channel parameter transformation | Johannes Hilpert, Karsten Linzmeier, Juergen Herre, Ralph Sperschneider, Andreas Hoelzer +5 more | 2014-04-01 |
| 8654985 | Stereo compatible multi-channel audio coding | Heiko Purnhagen, Jonas Roeden, Jonas Engdegard, Jeroen Breebaart, Erik Gosuinus Petrus Schuijers | 2014-02-18 |
| 8655670 | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction | Heiko Purnhagen, Pontus Carlsson, Julien Robillard, Matthias Neusinger, Christian Helmrich +4 more | 2014-02-18 |
| 8606587 | Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks | Kristofer Kjorling | 2013-12-10 |
| 8538031 | Method for representing multi-channel audio signals | Heiko Purnhagen, Jonas Engdegard, Jonas Roeden, Kristofer Kjoerling | 2013-09-17 |
| 8515083 | Methods for improved performance of prediction based multi-channel reconstruction | Kristofer Kjoerling, Heiko Purnhagen, Jonas Roeden, Jeroen Breebaart, Gerard Herman Hotho | 2013-08-20 |
| 8515759 | Apparatus and method for synthesizing an output signal | Jonas Engdegard, Heiko Purnhagen, Barbara Resch, Cornelia Falch, Juergen Herre +3 more | 2013-08-20 |
| 8498876 | Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks | Kristofer Kjorling | 2013-07-30 |
| 8494863 | Audio encoder and decoder with long term prediction | Arijit Biswas, Heiko Purnhagen, Kristofer Kjoerling, Barbara Resch, Per Hedelin | 2013-07-23 |
| 8484038 | Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation | Bruno Bessette, Max Neuendorf, Ralf Geiger, Philippe Gournay, Roch Lefebvre +6 more | 2013-07-09 |
| 8443026 | Partially complex modulated filter bank | Per Ekstrand, Heiko Purnhagen | 2013-05-14 |
| 8433583 | Audio decoding | Erik Gosuinus Petrus Schuijers | 2013-04-30 |
| 8412518 | Time warped modified transform coding of audio signals | — | 2013-04-02 |
| 8346566 | Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks | Kristofer Kjoerling | 2013-01-01 |
| 8346564 | Multi-channel audio coding | Gerard Herman Hotho, Dirk Jeroen Breebaart, Erik Gosuinus Petrus Schuijers, Albertus Cornelis Den Brinker, Heiko Purnhagen +1 more | 2013-01-01 |