Inventor · disambiguated record
Ralph Sperschneider
Also filed as: SPERSCHNEIDER RALPH
56 granted patents·4 pending applications·689 citations·filing 1998–2024
98Inventor score
Files withFRAUNHOFER GES FORSCHUNG49HILPERT JOHANNES3SCHREINER STEPHAN2SPERSCHNEIDER RALPH2DOEHLA STEFAN1
Top patents by PatentIndex Score
60 records- 0196US8315396B2Apparatus and method for generating audio output signals using object based metadataSCHREINER STEPHAN·Filed 2008·Granted Nov 20, 2012·133 cites·20 claims
- 0295US9997163B2Apparatus and method realizing improved concepts for TCX LTPFRAUNHOFER GES FORSCHUNG·Filed 2015·Granted Jun 12, 2018·13 cites·13 claims
- 0395US9978378B2Apparatus and method for improved signal fade out in different domains during error concealmentFRAUNHOFER GES FORSCHUNG·Filed 2015·Granted May 22, 2018·13 cites·24 claims
- 0495US9916833B2Apparatus and method for improved signal fade out for switched audio coding systems during error concealmentFRAUNHOFER GES FORSCHUNG·Filed 2015·Granted Mar 13, 2018·16 cites·22 claims
- 0594US10679632B2Apparatus and method for improved signal fade out for switched audio coding systems during error concealmentFRAUNHOFER GES FORSCHUNG·Filed 2018·Granted Jun 9, 2020·9 cites·22 claims
- 0693US8824688B2Apparatus and method for generating audio output signals using object based metadataSCHREINER STEPHAN·Filed 2012·Granted Sep 2, 2014·28 cites·8 claims
- 0792US10854208B2Apparatus and method realizing improved concepts for TCX LTPFRAUNHOFER GES FORSCHUNG·Filed 2018·Granted Dec 1, 2020·6 cites·13 claims
- 0892US8687829B2Apparatus and method for multi-channel parameter transformationHILPERT JOHANNES·Filed 2007·Granted Apr 1, 2014·37 cites·26 claims
- 0990US10867613B2Apparatus and method for improved signal fade out in different domains during error concealmentFRAUNHOFER GES FORSCHUNG·Filed 2018·Granted Dec 15, 2020·6 cites·22 claims
- 1090US10224041B2Apparatus, method and corresponding computer program for generating an error concealment signal using power compensationFRAUNHOFER GES FORSCHUNG·Filed 2016·Granted Mar 5, 2019·8 cites·15 claims
- 1189US10163444B2Apparatus and method for generating an error concealment signal using an adaptive noise estimationFRAUNHOFER GES FORSCHUNG·Filed 2016·Granted Dec 25, 2018·7 cites·17 claims
- 1289US10140993B2Apparatus and method for generating an error concealment signal using individual replacement LPC representations for individual codebook informationFRAUNHOFER GES FORSCHUNG·Filed 2016·Granted Nov 27, 2018·7 cites·16 claims
- 1389US7991610B2Adaptive grouping of parameters for enhanced coding efficiencyFRAUNHOFER GES FORSCHUNG·Filed 2005·Granted Aug 2, 2011·23 cites·35 claims
- 1489US7003448B1Method and device for error concealment in an encoded audio-signal and method and device for decoding an encoded audio signalFRAUNHOFER GES FORSCHUNG·Filed 2000·Granted Feb 21, 2006·93 cites·13 claims
- 1588US9916834B2Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver, and system for transmitting audio signalsFRAUNHOFER GES FORSCHUNG·Filed 2015·Granted Mar 13, 2018·8 cites·39 claims
- 1688US9384739B2Apparatus and method for error concealment in low-delay unified speech and audio codingFRAUNHOFER GES FORSCHUNG·Filed 2013·Granted Jul 5, 2016·15 cites·16 claims
- 1787US11393479B2Apparatus and method for generating an error concealment signal using individual replacement LPC representations for individual codebook informationFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Jul 19, 2022·2 cites·19 claims
- 1887US8180061B2Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel codingHILPERT JOHANNES·Filed 2006·Granted May 15, 2012·17 cites·25 claims
- 1987US8145498B2Device and method for generating a coded multi-channel signal and device and method for decoding a coded multi-channel signalHERRE JUERGEN·Filed 2007·Granted Mar 27, 2012·20 cites·23 claims
- 2084US10607614B2Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS applicationFRAUNHOFER GES FORSCHUNG·Filed 2018·Granted Mar 31, 2020·2 cites·20 claims
- 2182US10733997B2Apparatus and method for generating an error concealment signal using power compensationFRAUNHOFER GES FORSCHUNG·Filed 2019·Granted Aug 4, 2020·3 cites·17 claims
- 2282US10621993B2Apparatus and method for generating an error concealment signal using an adaptive noise estimationFRAUNHOFER GES FORSCHUNG·Filed 2018·Granted Apr 14, 2020·3 cites·19 claims
- 2382US10614818B2Apparatus and method for generating an error concealment signal using individual replacement LPC representations for individual codebook informationFRAUNHOFER GES FORSCHUNG·Filed 2018·Granted Apr 7, 2020·3 cites·16 claims
- 2482US2024339118A1Decoder and decoding method for lc3 concealment including full frame loss concealment and partial frame loss concealmentFRAUNHOFER GES FORSCHUNG·Filed 2024·Application pending·0 cites
- 2578US6441755B1Device and method for entropy encoding of information words and device and method for decoding entropy-encoded information wordsFRAUNHOFER GES FORSCHUNG·Filed 1999·Granted Aug 27, 2002·46 cites·20 claims
- 2677US12080304B2Audio transmitter processor, audio receiver processor and related methods and computer programs for processing an error protected frameFRAUNHOFER GES FORSCHUNG·Filed 2023·Granted Sep 3, 2024·0 cites·21 claims
- 2777US8731204B2Device and method for generating a multi-channel signal or a parameter data setSPERSCHNEIDER RALPH·Filed 2007·Granted May 20, 2014·12 cites·15 claims
- 2875US6975254B1Methods and devices for coding or decoding an audio signal or bit streamFRAUNHOFER GES FORSCHUNG·Filed 1998·Granted Dec 13, 2005·82 cites·30 claims
- 2974US12125491B2Apparatus and method realizing improved concepts for TCX LTPFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Oct 22, 2024·0 cites·8 claims
- 3074US7788106B2Entropy coding with compact codebooksFRAUNHOFER GES FORSCHUNG·Filed 2005·Granted Aug 31, 2010·9 cites·23 claims
- 3173US11869514B2Apparatus and method for improved signal fade out for switched audio coding systems during error concealmentFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Jan 9, 2024·0 cites·16 claims
- 3272US12039986B2Decoder and decoding method for LC3 concealment including full frame loss concealment and partial frame loss concealmentFRAUNHOFER GES FORSCHUNG·Filed 2021·Granted Jul 16, 2024·0 cites·16 claims
- 3372US11776551B2Apparatus and method for improved signal fade out in different domains during error concealmentFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Oct 3, 2023·0 cites·24 claims
- 3472US11501783B2Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS applicationFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Nov 15, 2022·0 cites·20 claims
- 3572US11462221B2Apparatus and method for generating an adaptive spectral shape of comfort noiseFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Oct 4, 2022·0 cites·13 claims
- 3672US7516230B2Method and device for the generation or decoding of a scalable data stream with provision for a bit-store, encoder and scalable encoderFRAUNHOFER GES FORSCHUNG·Filed 2002·Granted Apr 7, 2009·21 cites·15 claims
- 3771US12009002B2Audio transmitter processor, audio receiver processor and related methods and computer programsFRAUNHOFER GES FORSCHUNG·Filed 2021·Granted Jun 11, 2024·0 cites·23 claims
- 3870US12462822B2Decoder and decoding method selecting an error concealment mode, and encoder and encoding methodFRAUNHOFER GES FORSCHUNG·Filed 2021·Granted Nov 4, 2025·0 cites·34 claims
- 3968US10475455B2Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver, and system for transmitting audio signalsFRAUNHOFER GES FORSCHUNG·Filed 2017·Granted Nov 12, 2019·1 cites·31 claims
- 4068US7454353B2Method and device for the generation of a scalable data stream and method and device for decoding a scalable data streamFRAUNHOFER GES FORSCHUNG·Filed 2002·Granted Nov 18, 2008·12 cites·14 claims
- 4166US9324332B2Method and encoder and decoder for sample-accurate representation of an audio signalDOEHLA STEFAN·Filed 2012·Granted Apr 26, 2016·3 cites·19 claims
- 4266US8385366B2Apparatus and method for transmitting a sequence of data packets and decoder and apparatus for decoding a sequence of data packetsFRAUNHOFER GES FORSCHUNG·Filed 2008·Granted Feb 26, 2013·3 cites·26 claims
- 4364US11367453B2Apparatus and method for generating an error concealment signal using power compensationFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Jun 21, 2022·0 cites·14 claims
- 4463US11423913B2Apparatus and method for generating an error concealment signal using an adaptive noise estimationFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Aug 23, 2022·0 cites·15 claims
- 4562US10672404B2Apparatus and method for generating an adaptive spectral shape of comfort noiseFRAUNHOFER GES FORSCHUNG·Filed 2018·Granted Jun 2, 2020·0 cites·13 claims
- 4662US7428684B2Device and method for concealing an errorFRAUNHOFER GES FORSCHUNG·Filed 2004·Granted Sep 23, 2008·5 cites·25 claims
- 4761US7433825B1Apparatus and method for producing a data stream and apparatus and method for reading a data streamFRAUNHOFER GES ZUR FOERDERLING·Filed 2000·Granted Oct 7, 2008·12 cites·6 claims
- 4859US7526432B2Apparatus and method for producing a data stream and apparatus and method for reading a data streamFRAUNHOFER GES FORSCHUNG·Filed 2008·Granted Apr 28, 2009·3 cites·5 claims
- 4958US11282529B2Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver, and system for transmitting audio signalsFRAUNHOFER GES FORSCHUNG·Filed 2019·Granted Mar 22, 2022·0 cites·39 claims
- 5058US9978377B2Apparatus and method for generating an adaptive spectral shape of comfort noiseFRAUNHOFER GES FORSCHUNG·Filed 2015·Granted May 22, 2018·0 cites·13 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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