Inventor · disambiguated record

Oliver Hellmuth

Also filed as: HELLMUTH OLIVER

75 granted patents·6 pending applications·670 citations·filing 2002–2024

99Inventor score

Technology areasG10L H04S H03G G10H H04R

Files withFRAUNHOFER GES FORSCHUNG47 FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E V10 HELLMUTH OLIVER5 HERRE JUERGEN5 M2ANY GMBH4

Top patents by PatentIndex Score

81 records

0196US8315396B2Apparatus and method for generating audio output signals using object based metadataSCHREINER STEPHAN·Filed 2008·Granted Nov 20, 2012·133 cites·20 claims
0295US8332059B2Apparatus and method for synchronizing additional data and base dataHERRE JUERGEN·Filed 2007·Granted Dec 11, 2012·22 cites·17 claims
0394US7460994B2Method and apparatus for producing a fingerprint, and method and apparatus for identifying an audio signalM2ANY GMBH·Filed 2002·Granted Dec 2, 2008·114 cites·18 claims
0493US8824688B2Apparatus and method for generating audio output signals using object based metadataSCHREINER STEPHAN·Filed 2012·Granted Sep 2, 2014·28 cites·8 claims
0593US8407060B2Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium thereforHELLMUTH OLIVER·Filed 2012·Granted Mar 26, 2013·19 cites·7 claims
0692US9947325B2Decoder, encoder and method for informed loudness estimation employing by-pass audio object signals in object-based audio coding systemsFRAUNHOFER GES FORSCHUNG·Filed 2015·Granted Apr 17, 2018·8 cites·16 claims
0791US8958566B2Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stagesHELLMUTH OLIVER·Filed 2011·Granted Feb 17, 2015·20 cites·36 claims
0891US8538766B2Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium thereforFRAUNHOFER GES FORSCHUNG·Filed 2013·Granted Sep 17, 2013·13 cites·19 claims
0991US8325929B2Binaural rendering of a multi-channel audio signalKOPPENS JEROEN·Filed 2011·Granted Dec 4, 2012·44 cites·11 claims
1089US9517732B2Headrest speaker arrangementFRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E V·Filed 2013·Granted Dec 13, 2016·15 cites·22 claims
1189US8139775B2Concept for combining multiple parametrically coded audio sourcesHILPERT JOHANNES·Filed 2007·Granted Mar 20, 2012·15 cites·20 claims
1288US7580832B2Apparatus and method for robust classification of audio signals, and method for establishing and operating an audio-signal database, as well as computer programM2ANY GMBH·Filed 2004·Granted Aug 25, 2009·64 cites·32 claims
1387US8280744B2Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium thereforHELLMUTH OLIVER·Filed 2008·Granted Oct 2, 2012·16 cites·18 claims
1487US8155971B2Audio decoding of multi-audio-object signal using upmixingHELLMUTH OLIVER·Filed 2008·Granted Apr 10, 2012·16 cites·15 claims
1586US10448185B2Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signalsFRAUNHOFER GES FORSCHUNG·Filed 2016·Granted Oct 15, 2019·5 cites·21 claims
1686US10096325B2Decoder and method for a generalized spatial-audio-object-coding parametric concept for multichannel downmix/upmix cases by comparing a downmix channel matrix eigenvalues to a thresholdFRAUNHOFER GES FORSCHUNG·Filed 2015·Granted Oct 9, 2018·8 cites·11 claims
1785US9734833B2Encoder, decoder and methods for backward compatible dynamic adaption of time/frequency resolution spatial-audio-object-codingFRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E V·Filed 2015·Granted Aug 15, 2017·6 cites·20 claims
1884USRE50721EConcept for combining multiple parametrically coded audio sourcesFRAUNHOFER GES FORSCHUNG·Filed 2024·Granted Dec 30, 2025·0 cites·39 claims
1984USRE50697EConcept for combining multiple parametrically coded audio sourcesFRAUNHOFER GES FORSCHUNG·Filed 2024·Granted Dec 9, 2025·0 cites·39 claims
2083US9743215B2Apparatus and method for center signal scaling and stereophonic enhancement based on a signal-to-downmix ratioFRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E V·Filed 2015·Granted Aug 22, 2017·7 cites·14 claims
2181US11381925B2Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signalsFRAUNHOFER GES FORSCHUNG·Filed 2016·Granted Jul 5, 2022·3 cites·22 claims
2281US9064498B2Apparatus and method for processing an audio signal for speech enhancement using a feature extractionUHLE CHRISTIAN·Filed 2011·Granted Jun 23, 2015·10 cites·14 claims
2380US8065260B2Device and method for analyzing an information signalHERRE JUERGEN·Filed 2006·Granted Nov 22, 2011·13 cites·21 claims
2479US9060236B2Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer program and bitstream using a distortion control signalingENGDEGARD JONAS·Filed 2012·Granted Jun 16, 2015·6 cites·19 claims
2577US8781133B2Apparatus for generating a multi-channel audio signalWALTHER ANDREAS·Filed 2011·Granted Jul 15, 2014·7 cites·12 claims
2677US8577482B2Device and method for generating an ambience signalHERRE JUERGEN·Filed 2007·Granted Nov 5, 2013·9 cites·34 claims
2776US8346565B2Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer programFRAUNHOFER GES FORSCHUNG·Filed 2007·Granted Jan 1, 2013·10 cites·31 claims
2875US7760886B2Apparatus and method for synthesizing three output channels using two input channelsFRAUNHOFER GES FORSCHUNG·Filed 2005·Granted Jul 20, 2010·8 cites·19 claims
2973US11875804B2Decoder, encoder and method for informed loudness estimation employing by-pass audio object signals in object-based audio coding systemsFRAUNHOFER GES FORSCHUNG·Filed 2022·Granted Jan 16, 2024·0 cites·16 claims
3072US11252523B2Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signalsFRAUNHOFER GES FORSCHUNG·Filed 2018·Granted Feb 15, 2022·1 cites·14 claims
3171US11470438B2Audio signal processor, system and methods distributing an ambient signal to a plurality of ambient signal channelsFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Oct 11, 2022·1 cites·39 claims
3271US7081581B2Method and device for characterizing a signal and method and device for producing an indexed signalM2ANY GMBH·Filed 2002·Granted Jul 25, 2006·18 cites·15 claims
3370US11688407B2Decoder, encoder, and method for informed loudness estimation in object-based audio coding systemsFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Jun 27, 2023·0 cites·20 claims
3470US11423914B2Decoder, encoder and method for informed loudness estimation employing by-pass audio object signals in object-based audio coding systemsFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Aug 23, 2022·0 cites·16 claims
3570US10431227B2Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signalsFRAUNHOFER GES FORSCHUNG·Filed 2016·Granted Oct 1, 2019·2 cites·13 claims
3670US2022167102A1Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signalsFRAUNHOFER GES FORSCHUNG·Filed 2021·Application pending·0 cites
3768US11004455B2Apparatus and method for processing an encoded audio signalFRAUNHOFER GES FORSCHUNG·Filed 2019·Granted May 11, 2021·1 cites·17 claims
3868US7478045B2Method and device for characterizing a signal and method and device for producing an indexed signalM2ANY GMBH·Filed 2002·Granted Jan 13, 2009·15 cites·22 claims
3967US12067995B2Apparatus and method for determining a predetermined characteristic related to an artificial bandwidth limitation processing of an audio signalFRAUNHOFER GES FORSCHUNG·Filed 2019·Granted Aug 20, 2024·1 cites·18 claims
4066US11330386B2Apparatus and method for realizing a SAOC downmix of 3D audio contentFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted May 10, 2022·0 cites·12 claims
4166US10152979B2Apparatus and method for processing an encoded audio signalFRAUNHOFER GES FORSCHUNG·Filed 2017·Granted Dec 11, 2018·1 cites·20 claims
4266US8731209B2Device and method for generating a multi-channel signal including speech signal processingUHLE CHRISTIAN·Filed 2008·Granted May 20, 2014·5 cites·22 claims
4365US10891963B2Decoder, encoder, and method for informed loudness estimation in object-based audio coding systemsFRAUNHOFER GES FORSCHUNG·Filed 2019·Granted Jan 12, 2021·0 cites·25 claims
4465US9699584B2Apparatus and method for realizing a SAOC downmix of 3D audio contentFRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E V·Filed 2016·Granted Jul 4, 2017·1 cites·16 claims
4563US8571877B2Apparatus for providing an upmix signal representation on the basis of the downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer programs and bitstream representing a multi-channel audio signal using a linear combination parameterENGDEGARD JONAS·Filed 2012·Granted Oct 29, 2013·2 cites·21 claims
4659US10699722B2Decoder, encoder and method for informed loudness estimation employing by-pass audio object signals in object-based audio coding systemsFRAUNHOFER GES FORSCHUNG·Filed 2018·Granted Jun 30, 2020·0 cites·14 claims
4759US9672806B2Apparatus and method for determining a measure for a perceived level of reverberation, audio processor and method for processing a signalFRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E V·Filed 2013·Granted Jun 6, 2017·1 cites·19 claims
4858US10607615B2Apparatus and method for decoding an encoded audio signal to obtain modified output signalsFRAUNHOFER GES FORSCHUNG·Filed 2016·Granted Mar 31, 2020·1 cites·12 claims
4956US10497376B2Decoder, encoder, and method for informed loudness estimation in object-based audio coding systemsFRAUNHOFER GES FORSCHUNG·Filed 2016·Granted Dec 3, 2019·0 cites·25 claims
5055US12175988B2Apparatus and methods for processing an audio signalFRAUNHOFER GES FORSCHUNG·Filed 2019·Granted Dec 24, 2024·0 cites·21 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →