HP

Heiko Purnhagen

DA Dolby International Ab: 18 patents #2 of 104Top 2%
DL Dolby Laboratories Licensing: 2 patents #74 of 260Top 30%
📍 Sundbyberg, CA: #1 of 2 inventorsTop 50%
Overall (2020): #2,639 of 565,922Top 1%
18
Patents 2020

Issued Patents 2020

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
10818306 Backward-compatible integration of harmonic transposer for high frequency reconstruction of audio signals Lars Villemoes, Per Ekstrand 2020-10-27
10811023 Time-alignment of QMF based processing data Kristofer Kjoerling, Jens Popp 2020-10-20
10796703 Audio encoder with selectable L/R or M/S coding Pontus Carlsson, Kristofer Kjoerling 2020-10-06
10734002 Audio upmixer operable in prediction or non-prediction mode Pontus Carlsson, Lars Villemoes 2020-08-04
10734010 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element Lars Villemoes, Per Ekstrand 2020-08-04
10726853 Decoding of audio scenes Lars Villemoes, Leif Jonas Samuelsson, Toni Hirvonen 2020-07-28
10728687 Spatial audio signal manipulation Dirk Jeroen Breebaart, Antonio Mateos Sole, Nicolas R. Tsingos 2020-07-28
10714104 Audio encoder and decoder Leif Jonas Samuelsson 2020-07-14
10694424 Non-uniform parameter quantization for advanced coupling Per Ekstrand 2020-06-23
10659880 Methods, apparatus and systems for asymmetric speaker processing Dirk Jeroen Breebaart, Mark David de Burgh, Nicholas Luke Appleton, Mark William Gerrard, David Matthew Cooper 2020-05-19
10623860 Audio decoder for audio channel reconstruction Lars Villemoes, Jonas Engdegard, Jonas Roeden, Kristofer Kjoerling 2020-04-14
10614825 Parametric reconstruction of audio signals Lars Villemoes, Heidi-Maria Lehtonen, Toni Hirvonen 2020-04-07
10600429 Stereo audio encoder and decoder Kristofer Kjoerling 2020-03-24
10593340 Methods and apparatus for decoding encoded audio signal(s) Harald Mundt, Kristofer Kjoerling 2020-03-17
10586545 MDCT-based complex prediction stereo coding Lars Villemoes, Pontus Carlsson 2020-03-10
10553228 Audio coding with range extension Per Ekstrand, Harald Mundt, Klaus Peichl 2020-02-04
10553232 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element Lars Villemoes, Per Ekstrand 2020-02-04
10553226 Audio encoder operable in prediction or non-prediction mode Pontus Carlsson, Lars Villemoes 2020-02-04