HP

Heiko Purnhagen

DA Dolby International Ab: 28 patents #2 of 115Top 2%
DL Dolby Laboratories Licensing: 4 patents #38 of 266Top 15%
Fraunhofer: 1 patents #121 of 484Top 25%
Koniniklijke Philips N.V.: 1 patents #510 of 1,585Top 35%
📍 Sundbyberg, CA: #1 of 1 inventorsTop 100%
Overall (2018): #713 of 503,207Top 1%
28
Patents 2018

Issued Patents 2018

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
10163449 Stereo audio encoder and decoder Kristofer Kjoerling 2018-12-25
10134413 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element Lars Villemoes, Per Ekstrand 2018-11-20
10129645 Audio decoder for audio channel reconstruction Lars Villemoes, Jonas Engdegard, Jonas Roeden, Kristofer Kjoerling 2018-11-13
10121479 Audio encoder and decoder for interleaved waveform coding Kristofer Kjoerling, Robin Thesing, Harald Mundt, Karl Jonas Roeden 2018-11-06
10083701 Methods and devices for joint multichannel coding Kristofer Kjoerling, Harald Mundt 2018-09-25
10074379 System for maintaining reversible dynamic range control information associated with parametric audio coders Jeffrey Riedmiller, Karl Jonas Roeden, Kristofer Kjoerling, Vinay Melkote, Leif Sehlstrom 2018-09-11
10057808 Non-uniform parameter quantization for advanced coupling Per Ekstrand 2018-08-21
10049683 Audio encoder and decoder Janusz Klejsa, Lars Villemoes, Toni Hirvonen 2018-08-14
10026408 Coding of audio scenes Lars Villemoes, Leif Jonas Samuelsson, Toni Hirvonen 2018-07-17
10015597 Method for representing multi-channel audio signals Lars Villemoes, Jonas Engdegard, Jonas Roeden, Kristofer Kjoerling 2018-07-03
9978385 Parametric reconstruction of audio signals Lars Villemoes, Heidi-Maria Lehtonen, Toni Hirvonen 2018-05-22
9972329 Audio decoder for audio channel reconstruction Lars Villemoes, Jonas Engdegard, Jonas Roeden, Kristofer Kjoerling 2018-05-15
9972328 Audio decoder for audio channel reconstruction Lars Villemoes, Jonas Engdegard, Jonas Roeden, Kristofer Kjoerling 2018-05-15
9972330 Audio decoder for audio channel reconstruction Lars Villemoes, Jonas Engdegard, Jonas Roeden, Kristofer Kjoerling 2018-05-15
9972331 Frame element positioning in frames of a bitstream representing audio content Max Neuendorf, Markus Multrus, Stefan Doehla, Frans De Bont 2018-05-15
9955278 Exploiting metadata redundancy in immersive audio metadata Christof Fersch, Jens Popp, Martin Wolters 2018-04-24
9955276 Parametric encoding and decoding of multichannel audio signals Heidi-Maria Lehtonen, Janusz Klejsa 2018-04-24
9940939 Audio encoder and decoder Leif Jonas Samuelsson 2018-04-10
9930465 Parametric mixing of audio signals Lars Villemoes, Heidi-Maria Lehtonen 2018-03-27
9911434 Audio decoder utilizing sample rate conversion for audio and video frame synchronization Kristopher Kjoerling, Alexander Groeschel, Jens Popp, Karl Jonas Roeden 2018-03-06
9905236 Enabling sampling rate diversity in a voice communication system Leif Sehlstrom, Lars Villemoes, Glenn N. Dickins, Mark S. Vinton 2018-02-27
9905230 Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding Pontus Carlsson, Kristofer Kjoerling 2018-02-27
9899029 Coding of multichannel audio content Harald Mundt, Kristofer Kjoerling 2018-02-20
9892736 MDCT-based complex prediction stereo coding Pontus Carlsson, Lars Villemoes 2018-02-13
9892737 Efficient coding of audio scenes comprising audio objects Kristofer Kjoerling, Toni Hirvonen, Lars Villemoes, Dirk Jeroen Breebaart, Leif Jonas Samuelsson 2018-02-13