Inventor · disambiguated record
Roch Lefebvre
Also filed as: LEFEBVRE ROCH
24 granted patents·5 pending applications·550 citations·filing 1999–2024
97Inventor score
Top patents by PatentIndex Score
29 records- 0198US12334086B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2024·Granted Jun 17, 2025·3 cites·15 claims
- 0298US11823690B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2022·Granted Nov 21, 2023·7 cites·9 claims
- 0398US11475902B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2020·Granted Oct 18, 2022·7 cites·9 claims
- 0496US12406679B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2024·Granted Sep 2, 2025·1 cites·14 claims
- 0596US12406680B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2024·Granted Sep 2, 2025·1 cites·15 claims
- 0695US8321210B2Audio encoding/decoding scheme having a switchable bypassGRILL BERNHARD·Filed 2011·Granted Nov 27, 2012·57 cites·20 claims
- 0793US11682404B2Audio 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
- 0893US11676611B2Audio 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
- 0992US8930198B2Low bitrate audio encoding/decoding scheme having cascaded switchesGRILL BERNHARD·Filed 2011·Granted Jan 6, 2015·16 cites·16 claims
- 1091US10621996B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2019·Granted Apr 14, 2020·8 cites·13 claims
- 1191US8484038B2Audio 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
- 1291US7191123B1Gain-smoothing in wideband speech and audio signal decoderVOICEAGE CORP·Filed 2000·Granted Mar 13, 2007·90 cites·103 claims
- 1390US10319384B2Low bitrate audio encoding/decoding scheme having cascaded switchesFRAUNHOFER GES FORSCHUNG·Filed 2014·Granted Jun 11, 2019·11 cites·28 claims
- 1489US8959017B2Audio encoding/decoding scheme having a switchable bypassFRAUNHOFER GES FORSCHUNG·Filed 2012·Granted Feb 17, 2015·15 cites·20 claims
- 1587US7529660B2Method and device for frequency-selective pitch enhancement of synthesized speechVOICEAGE CORP·Filed 2003·Granted May 5, 2009·57 cites·58 claims
- 1684US7151802B1High frequency content recovering method and device for over-sampled synthesized wideband signalVOICEAGE CORP·Filed 1999·Granted Dec 19, 2006·73 cites·54 claims
- 1783US7672837B2Method and device for adaptive bandwidth pitch search in coding wideband signalsVOICEAGE CORP·Filed 2006·Granted Mar 2, 2010·9 cites·21 claims
- 1881US6807524B1Perceptual weighting device and method for efficient coding of wideband signalsVOICEAGE CORP·Filed 1999·Granted Oct 19, 2004·61 cites·49 claims
- 1979US6795805B1Periodicity enhancement in decoding wideband signalsVOICEAGE CORP·Filed 1999·Granted Sep 21, 2004·53 cites·80 claims
- 2075US7260521B1Method and device for adaptive bandwidth pitch search in coding wideband signalsVOICEAGE CORP·Filed 1999·Granted Aug 21, 2007·45 cites·63 claims
- 2162US9552822B2Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (USAC)FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E V·Filed 2013·Granted Jan 24, 2017·2 cites·17 claims
- 2262US2025117843A1Systems and methods for computer-based address validation and correctionSHOPIFY INC·Filed 2023·Application pending·0 cites
- 2359US11222000B2Querying and projecting values within sets in a table datasetIBM·Filed 2019·Granted Jan 11, 2022·0 cites·17 claims
- 2455US8036885B2Method and device for adaptive bandwidth pitch search in coding wideband signalsVOICEAGE CORP·Filed 2009·Granted Oct 11, 2011·0 cites·18 claims
- 2551US10545942B2Querying and projecting values within sets in a table datasetIBM·Filed 2016·Granted Jan 28, 2020·0 cites·17 claims
- 2649US2005108005A1Method and device for adaptive bandwidth pitch search in coding wideband signalsVOICEAGE CORP·Filed 2004·Application pending·0 cites
- 2749US2005108007A1Perceptual weighting device and method for efficient coding of wideband signalsVOICEAGE CORP·Filed 2004·Application pending·0 cites
- 2847US2011173004A1Device and Method for Noise Shaping in a Multilayer Embedded Codec Interoperable with the ITU-T G.711 StandardBESSETTE BRUNO·Filed 2007·Application pending·0 cites
- 2938US2013111267A1Optimizing regression testing based on code coverage analysisBERYOZA DMITRIY·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →