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 51–75 of 146 patents

Patent #TitleCo-InventorsDate
11581003 Harmonicity-dependent controlling of a harmonic filter tool Goran Markovic, Emmanuel Ravelli, Manuel Jander, Stefan Doehla 2023-02-14
11568883 Low-frequency emphasis for LPC-based coding in frequency domain Stefan Doehla, Bernhard Grill, Nikolaus Rettelbach 2023-01-31
11521631 Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm Emmanuel Ravelli, Stefan Doehla, Guillaume Fuchs, Eleni FOTOPOULOU 2022-12-06
11501783 Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application Michael Schnabel, Goran Markovic, Ralph Sperschneider, Jérémie Lecomte 2022-11-15
11488610 Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension Sascha Dick, Christian Ertel, Johannes Hilpert, Andreas Hoelzer, Achim Kuntz 2022-11-01
11462221 Apparatus and method for generating an adaptive spectral shape of comfort noise Michael Schnabel, Goran Markovic, Ralph Sperschneider, Jérémie Lecomte 2022-10-04
11363268 Concept for varying a coding quantization parameter across a picture, coding quantization parameter adjustment, and coding quantization parameter adaptation of a multi-channel picture Thomas Wiegand, Adam WIECKOWSKI, Heiko Schwarz, Detlev Marpe, Sebastian BOSSE +1 more 2022-06-14
11335354 Decoder for decoding an encoded audio signal and encoder for encoding an audio signal Bernd Edler 2022-05-17
11297338 Selective quantization parameter transmission Heiko Schwarz, Detlev Marpe, Thomas Wiegand, Adam WIECKOWSKI, Mischa Siekmann +1 more 2022-04-05
11289104 Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain Sascha Disch, Frederik Nagel, Ralf Geiger, Balaji Nagendran Thoshkahna, Konstantin Schmidt +3 more 2022-03-29
11282529 Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver, and system for transmitting audio signals Janine Sukowski, Ralph Sperschneider, Goran Markovic, Wolfgang Jaegers, Bernd Edler +1 more 2022-03-22
11264043 Apparatus for encoding a speech signal employing ACELP in the autocorrelation domain Tom Baeckstroem, Markus Multrus, Guillaume Fuchs, Martin Dietz 2022-03-01
11257505 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 2022-02-22
11250862 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 2022-02-15
11222643 Apparatus for decoding an encoded audio signal with frequency tile adaption Sascha Disch, Ralf Geiger, Frederik Nagel, Christian Neukam, Konstantin Schmidt +1 more 2022-01-11
11205434 Audio encoders, audio decoders, systems, methods and computer programs using an increased temporal resolution in temporal proximity of onsets or offsets of fricatives or affricates Sascha Disch, Markus Multrus, Markus Schnell, Arthur Tritthart 2021-12-21
11122300 Spectrally adaptive noise filling tool (SANFT) for perceptual transform coding of still and moving images Paul Keydel, Sebastian BOSSE 2021-09-14
11094332 Low-complexity tonality-adaptive audio signal quantization Martin Dietz, Guillaume Fuchs, Goran Markovic 2021-08-17
11049506 Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping Sascha Disch, Frederik Nagel, Ralf Geiger, Balaji Nagendran Thoshkahna, Konstantin Schmidt +3 more 2021-06-29
11037580 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 2021-06-15
11031022 Noise filling concept Sascha Disch, Marc Gayer, Goran Markovic, Maria LUIS VALERO 2021-06-08
10984809 Frequency-domain audio coding supporting transform length switching Sascha Dick, Andreas Hoelzer 2021-04-20
10984810 Noise filling without side information for CELP-like coders Guillaume Fuchs, Manuel Jander, Benjamin Schubert, Yoshikazu Yokotani 2021-04-20
10978084 Noise filling in multichannel audio coding Maria Luis Valero, Johannes Hilpert 2021-04-13
10867613 Apparatus and method for improved signal fade out in different domains during error concealment Michael Schnabel, Markovic Goran, Ralph Sperschneider, Jérémie Lecomte 2020-12-15