CH

Christian Helmrich

Fraunhofer: 146 patents #8 of 4,748Top 1%
DA Dolby International Ab: 1 patents #198 of 314Top 65%
Overall (All Time): #6,512 of 4,157,543Top 1%
146
Patents All Time

Issued Patents All Time

Showing 26–50 of 146 patents

Patent #TitleCo-InventorsDate
11887611 Noise filling in multichannel audio coding Maria Luis Valero, Johannes Hilpert 2024-01-30
11869514 Apparatus and method for improved signal fade out for switched audio coding systems during error concealment Michael Schnabel, Goran Markovic, Ralph Sperschneider, Jérémie Lecomte 2024-01-09
11862182 Frequency-domain audio coding supporting transform length switching Sascha Dick, Andreas Hoelzer 2024-01-02
11854559 Decoder for decoding an encoded audio signal and encoder for encoding an audio signal Bernd Edler 2023-12-26
11854561 Low-frequency emphasis for LPC-based coding in frequency domain Stefan Doehla, Bernhard Grill, Nikolaus Rettelbach 2023-12-26
11843805 Deblocking or deringing filter and encoder, decoder and method for applying and varying a strength of a deblocking or deringing filter 2023-12-12
11842742 Apparatus and method for MDCT M/S stereo with global ILD with improved mid/side decision Emmanuel Ravelli, Markus Schnell, Stefan Doehla, Wolfgang Jaegers, Martin Dietz +6 more 2023-12-12
RE49717 Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction Julien Robilliard, Matthias Neusinger, Johannes Hilpert, Nikolaus Rettelbach, Sascha Disch +1 more 2023-10-24
11776551 Apparatus and method for improved signal fade out in different domains during error concealment Michael Schnabel, Markovic Goran, Ralph Sperschneider, Jérémie Lecomte 2023-10-03
11769513 Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band Andreas Niedermeier, Christian Ertel, Ralf Geiger, Florin Ghido 2023-09-26
11735192 Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework Sascha Disch, Frederik Nagel, Ralf Geiger, Balaji Nagendran Thoshkahna, Konstantin Schmidt +3 more 2023-08-22
11727944 Apparatus and method for stereo filling in multichannel coding Sascha Dick, Nikolaus Rettelbach, Florian Schuh, Richard Fueg, Frederik Nagel 2023-08-15
11706413 Unified transform type signaling and transform type dependent transform coefficient level coding Benjamin Bross, Phan Hoang Tung NGUYEN, Paul Keydel, Heiko Schwarz, Detlev Marpe +1 more 2023-07-18
11694704 Apparatus and method for processing an audio signal using a harmonic post-filter Emmanuel Ravelli, Goran Markovic, Matthias Neusinger, Sascha Disch, Manuel Jander +1 more 2023-07-04
11694701 Low-complexity tonality-adaptive audio signal quantization Martin Dietz, Guillaume Fuchs, Goran Markovic 2023-07-04
11682408 Apparatus and method for generating an encoded signal or for decoding an encoded audio signal using a multi overlap portion Jérémie Lecomte, Goran Markovic, Markus Schnell, Bernd Edler, Stefan Reuschl 2023-06-20
RE49549 Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction Julien Robilliard, Matthias Neusinger, Johannes Hilpert, Nikolaus Rettelbach, Sascha Disch +1 more 2023-06-06
11657826 Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals Sascha Dick, Christian Ertel, Johannes Hilpert, Andreas Hoelzer, Achim Kuntz 2023-05-23
RE49511 Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction Julien Robilliard, Matthias Neusinger, Johannes Hilpert, Nikolaus Rettelbach, Sascha Disch +1 more 2023-04-25
RE49492 Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction Julien Robilliard, Matthias Neusinger, Johannes Hilpert, Nikolaus Rettelbach, Sascha Disch +1 more 2023-04-11
11621008 Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap Jérémie Lecomte, Goran Markovic, Markus Schnell, Bernd Edler, Stefan Reuschl 2023-04-04
RE49469 Audio or video encoder, audio or video decoder and related methods for processing multichannel audio or video signals using a variable prediction direction Julien Robilliard, Matthias Neusinger, Johannes Hilpert, Nikolaus Rettelbach, Sascha Disch +1 more 2023-03-21
RE49464 Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction Julien Robilliard, Matthias Neusinger, Johannes Hilpert, Nikolaus Rettelbach, Sascha Disch +1 more 2023-03-14
RE49453 Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction Julien Robilliard, Matthias Neusinger, Johannes Hilpert, Nikolaus Rettelbach, Sascha Disch +1 more 2023-03-07
11594235 Noise filling in multichannel audio coding Maria Luis Valero, Johannes Hilpert 2023-02-28