Inventor · disambiguated record
Ralf Geiger
Also filed as: GEIGER RALF
146 granted patents·2 pending applications·865 citations·filing 2002–2024
99Inventor score
Files withFRAUNHOFER GES FORSCHUNG105FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E V13BAYER STEFAN6GEIGER RALF6GRILL BERNHARD3
Top patents by PatentIndex Score
148 records- 0198US12334086B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2024·Granted Jun 17, 2025·3 cites·15 claims
- 0298US12142284B2Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling frameworkFRAUNHOFER GES FORSCHUNG·Filed 2023·Granted Nov 12, 2024·2 cites·17 claims
- 0398US11922956B2Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domainFRAUNHOFER GES FORSCHUNG·Filed 2022·Granted Mar 5, 2024·9 cites·11 claims
- 0498US11823690B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2022·Granted Nov 21, 2023·7 cites·9 claims
- 0598US11735192B2Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling frameworkFRAUNHOFER GES FORSCHUNG·Filed 2022·Granted Aug 22, 2023·8 cites·17 claims
- 0698US11475902B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Oct 18, 2022·7 cites·9 claims
- 0797US11769513B2Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction bandFRAUNHOFER GES FORSCHUNG·Filed 2022·Granted Sep 26, 2023·2 cites·14 claims
- 0896US12406679B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2024·Granted Sep 2, 2025·1 cites·14 claims
- 0996US12406680B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2024·Granted Sep 2, 2025·1 cites·15 claims
- 1096US8447620B2Multi-resolution switched audio encoding/decoding schemeNEUENDORF MAX·Filed 2011·Granted May 21, 2013·65 cites·19 claims
- 1195US11908484B2Apparatus and method for generating an enhanced signal using independent noise-filling at random values and scaling thereuponFRAUNHOFER GES FORSCHUNG·Filed 2022·Granted Feb 20, 2024·2 cites·18 claims
- 1295US11289104B2Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domainFRAUNHOFER GES FORSCHUNG·Filed 2019·Granted Mar 29, 2022·8 cites·12 claims
- 1395US9043215B2Multi-resolution switched audio encoding/decoding schemeFRAUNHOFER GES FORSCHUNG·Filed 2012·Granted May 26, 2015·29 cites·18 claims
- 1495US8321210B2Audio encoding/decoding scheme having a switchable bypassGRILL BERNHARD·Filed 2011·Granted Nov 27, 2012·57 cites·20 claims
- 1595US8036903B2Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing systemFRAUNHOFER GES FORSCHUNG·Filed 2007·Granted Oct 11, 2011·34 cites·99 claims
- 1694US11049506B2Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shapingFRAUNHOFER GES FORSCHUNG·Filed 2019·Granted Jun 29, 2021·7 cites·27 claims
- 1794US9015041B2Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programsBAYER STEFAN·Filed 2011·Granted Apr 21, 2015·32 cites·5 claims
- 1893US11682404B2Audio decoding device and method with decoding branches for decoding audio signal encoded in a plurality of domainsFRAUNHOFER GES FORSCHUNG·Filed 2022·Granted Jun 20, 2023·1 cites·9 claims
- 1993US11676611B2Audio decoding device and method with decoding branches for decoding audio signal encoded in a plurality of domainsFRAUNHOFER GES FORSCHUNG·Filed 2022·Granted Jun 13, 2023·1 cites·9 claims
- 2093US10388287B2Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signalFRAUNHOFER GES FORSCHUNG·Filed 2017·Granted Aug 20, 2019·9 cites·22 claims
- 2193US9129597B2Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encodingBAYER STEFAN·Filed 2012·Granted Sep 8, 2015·29 cites·17 claims
- 2293US8744843B2Multi-mode audio codec and CELP coding adapted thereforeGEIGER RALF·Filed 2012·Granted Jun 3, 2014·29 cites·16 claims
- 2393US8438015B2Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samplesSCHNELL MARKUS·Filed 2007·Granted May 7, 2013·27 cites·24 claims
- 2492US10002621B2Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequencyFRAUNHOFER GES FORSCHUNG·Filed 2016·Granted Jun 19, 2018·6 cites·15 claims
- 2592US8930198B2Low bitrate audio encoding/decoding scheme having cascaded switchesGRILL BERNHARD·Filed 2011·Granted Jan 6, 2015·16 cites·16 claims
- 2692US8630862B2Audio signal encoder/decoder for use in low delay applications, selectively providing aliasing cancellation information while selectively switching between transform coding and celp coding of framesGEIGER RALF·Filed 2012·Granted Jan 14, 2014·29 cites·28 claims
- 2791US8804970B2Low bitrate audio encoding/decoding scheme with common preprocessingGRILL BERNHARD·Filed 2011·Granted Aug 12, 2014·27 cites·26 claims
- 2891US8494865B2Audio decoder, audio encoder, method for decoding an audio signal, method for encoding an audio signal, computer program and audio signalFUCHS GUILLAUME·Filed 2011·Granted Jul 23, 2013·27 cites·19 claims
- 2991US8484038B2Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellationBESSETTE BRUNO·Filed 2012·Granted Jul 9, 2013·32 cites·18 claims
- 3090US12367886B2Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filterFRAUNHOFER GES FORSCHUNG·Filed 2023·Granted Jul 22, 2025·1 cites·15 claims
- 3190US10319384B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2014·Granted Jun 11, 2019·11 cites·28 claims
- 3289US10332539B2Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shapingFRAUNHOFER GES FORSCHUNG·Filed 2015·Granted Jun 25, 2019·5 cites·14 claims
- 3389US8959017B2Audio encoding/decoding scheme having a switchable bypassFRAUNHOFER GES FORSCHUNG·Filed 2012·Granted Feb 17, 2015·15 cites·20 claims
- 3488US9916834B2Method 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
- 3588US8762159B2Audio encoder, audio decoder, encoded audio information, methods for encoding and decoding an audio signal and computer programGEIGER RALF·Filed 2011·Granted Jun 24, 2014·23 cites·21 claims
- 3688US8700388B2Audio transform coding using pitch correctionEDLER BERND·Filed 2009·Granted Apr 15, 2014·23 cites·21 claims
- 3788US8595019B2Audio coder/decoder with predictive coding of synthesis filter and critically-sampled time aliasing of prediction domain framesGEIGER RALF·Filed 2011·Granted Nov 26, 2013·18 cites·21 claims
- 3888US2025046324A1Resampling output signals of qmf based audio codecFRAUNHOFER GES FORSCHUNG·Filed 2024·Application pending·0 cites
- 3987US7343287B2Method and apparatus for scalable encoding and method and apparatus for scalable decodingFRAUNHOFER GES FORSCHUNG·Filed 2003·Granted Mar 11, 2008·51 cites·22 claims
- 4086US11562754B2Analysis/synthesis windowing function for modulated lapped transformationFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Jan 24, 2023·2 cites·36 claims
- 4186US10529348B2Apparatus and method for generating an enhanced signal using independent noise-filling identified by an identification vectorFRAUNHOFER GES FORSCHUNG·Filed 2017·Granted Jan 7, 2020·4 cites·22 claims
- 4285US12154583B2Resampling output signals of QMF based audio codecsFRAUNHOFER GES FORSCHUNG·Filed 2023·Granted Nov 26, 2024·0 cites·13 claims
- 4385US10777208B2Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signalFRAUNHOFER GES FORSCHUNG·Filed 2019·Granted Sep 15, 2020·3 cites·27 claims
- 4485US8457975B2Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer programNEUENDORF MAX·Filed 2010·Granted Jun 4, 2013·14 cites·35 claims
- 4585US7275036B2Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio dataFRAUNHOFER GES FORSCHUNG·Filed 2004·Granted Sep 25, 2007·51 cites·34 claims
- 4684US7873227B2Device and method for processing at least two input valuesFRAUNHOFER GES FORSCHUNG·Filed 2006·Granted Jan 18, 2011·17 cites·11 claims
- 4783US10395661B2Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signalFRAUNHOFER GES FORSCHUNG·Filed 2017·Granted Aug 27, 2019·3 cites·24 claims
- 4883US9037457B2Audio codec supporting time-domain and frequency-domain coding modesFRAUNHOFER GES FORSCHUNG·Filed 2013·Granted May 19, 2015·9 cites·17 claims
- 4982US9355647B2Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data streamFRAUNHOFER GES FORSCHUNG·Filed 2015·Granted May 31, 2016·3 cites·23 claims
- 5082US9293149B2Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programsFRAUNHOFER GES FORSCHUNG·Filed 2014·Granted Mar 22, 2016·5 cites·4 claims
Showing the top 50 of 148 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →