Issued Patents 2022
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11527256 | Integration of high frequency audio reconstruction techniques | Kristofer Kjoerling, Heiko Purnhagen, Per Ekstrand | 2022-12-13 |
| 11495236 | Apparatus and method for processing an input audio signal using cascaded filterbanks | Per Ekstrand, Sascha Disch, Frederik Nagel, Stephan Wilde | 2022-11-08 |
| 11450330 | Parametric reconstruction of audio signals | Heidi-Maria Lehtonen, Heiko Purnhagen, Toni Hirvonen | 2022-09-20 |
| 11423916 | Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks | Kristofer Kjoerling | 2022-08-23 |
| 11417350 | Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element | Heiko Purnhagen, Per Ekstrand | 2022-08-16 |
| 11367455 | Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element | Heiko Purnhagen, Per Ekstrand | 2022-06-21 |
| 11355133 | Cross product enhanced subband block based harmonic transposition | — | 2022-06-07 |
| 11341984 | Subband block based harmonic transposition | — | 2022-05-24 |
| 11315577 | Decoding of audio scenes | Heiko Purnhagen, Leif Jonas Samuelsson, Toni Hirvonen | 2022-04-26 |
| 11289106 | Backward-compatible integration of high frequency reconstruction techniques for audio signals | Kristofer Kjoerling, Heiko Purnhagen, Per Ekstrand | 2022-03-29 |
| 11270709 | Efficient coding of audio scenes comprising audio objects | Heiko Purnhagen, Kristofer Kjoerling, Toni Hirvonen, Dirk Jeroen Breebaart | 2022-03-08 |
| 11264038 | MDCT-based complex prediction stereo coding | Heiko Purnhagen, Pontus Carlsson | 2022-03-01 |
| 11217259 | Audio upmixer operable in prediction or non-prediction mode | Heiko Purnhagen, Pontus Carlsson | 2022-01-04 |