Issued Patents All Time
Showing 1–25 of 205 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12394424 | Backward-compatible integration of high frequency reconstruction techniques for audio signals | Lars Villemoes, Heiko Purnhagen, Per Ekstrand | 2025-08-19 |
| 12354612 | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding | Heiko Purnhagen, Pontus Carlsson | 2025-07-08 |
| 12340819 | Integration of high frequency audio reconstruction techniques | Lars Villemoes, Heiko Purnhagen, Per Ekstrand | 2025-06-24 |
| 12334082 | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding | Heiko Purnhagen, Pontus Carlsson | 2025-06-17 |
| 12334102 | Integration of high frequency audio reconstruction techniques | Lars Villemoes, Heiko Purnhagen, Per Ekstrand | 2025-06-17 |
| 12327566 | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding | Heiko Purnhagen, Pontus Carlsson | 2025-06-10 |
| 12327565 | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding | Heiko Purnhagen, Pontus Carlsson | 2025-06-10 |
| 12308033 | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding | Heiko Purnhagen, Pontus Carlsson | 2025-05-20 |
| 12300263 | Integration of high frequency audio reconstruction techniques | Lars Villemoes, Heiko Purnhagen, Per Ekstrand | 2025-05-13 |
| 12296028 | Integration of high frequency reconstruction techniques with reduced post-processing delay | Lars Villemoes, Heiko Purnhagen, Per Ekstrand | 2025-05-13 |
| 12300258 | Integration of high frequency reconstruction techniques with reduced post-processing delay | Lars Villemoes, Heiko Purnhagen, Per Ekstrand | 2025-05-13 |
| 12288564 | Backward-compatible integration of high frequency reconstruction techniques for audio signals | Lars Villemoes, Heiko Purnhagen, Per Ekstrand | 2025-04-29 |
| 12243543 | Integration of high frequency reconstruction techniques with reduced post-processing delay | Lars Villemoes, Heiko Purnhagen, Per Ekstrand | 2025-03-04 |
| 12223966 | Selectable linear predictive or transform coding modes with advanced stereo coding | Heiko Purnhagen, Pontus Carlsson | 2025-02-11 |
| 12210799 | Dynamic range control for a wide variety of playback environments | Jeroen Koppens, Jeffrey Riedmiller, Alexander Stahlmann, Holger Hoerich, Alan J. Seefeldt | 2025-01-28 |
| 12211513 | Integration of high frequency audio reconstruction techniques | Lars Villemoes, Heiko Purnhagen, Per Ekstrand | 2025-01-28 |
| 12205602 | Backward-compatible integration of high frequency reconstruction techniques for audio signals | Lars Villemoes, Heiko Purnhagen, Per Ekstrand | 2025-01-21 |
| 12190895 | Methods and devices for joint multichannel coding | Harald Mundt, Heiko Purnhagen | 2025-01-07 |
| 12175992 | System for maintaining reversible dynamic range control information associated with parametric audio coders | Jeffrey Riedmiller, Karl Jonas Roeden, Heiko Purnhagen, Vinay Melkote, Leif Sehlstrom | 2024-12-24 |
| 12170712 | Method and system for providing media content to a client | Jason Michael Cloud, Jeffrey Riedmiller, Janusz Klejsa | 2024-12-17 |
| 12131742 | Processing of audio signals during high frequency reconstruction | — | 2024-10-29 |
| 12106762 | Processing of audio signals during high frequency reconstruction | — | 2024-10-01 |
| 12106761 | Processing of audio signals during high frequency reconstruction | — | 2024-10-01 |
| 12080307 | Stereo audio encoder and decoder | Heiko Purnhagen | 2024-09-03 |
| 12075224 | Audio decoder for audio channel reconstruction | Heiko Purnhagen, Lars Villemoes, Jonas Engdegard, Jonas Roeden | 2024-08-27 |