Inventor · disambiguated record
Duanpei Wu
Also filed as: WU DUANPEI
37 granted patents·1,267 citations·filing 1994–2015
98Inventor score
Top patents by PatentIndex Score
37 records- 0198US7477282B2System and method for performing distributed video conferencingCISCO TECH INC·Filed 2005·Granted Jan 13, 2009·164 cites·39 claims
- 0298US6989856B2System and method for performing distributed video conferencingCISCO TECH IND·Filed 2003·Granted Jan 24, 2006·281 cites·26 claims
- 0397US7084898B1System and method for providing video conferencing synchronizationCISCO TECH INC·Filed 2003·Granted Aug 1, 2006·173 cites·20 claims
- 0496US7321384B1Method and apparatus for using far end camera control (FECC) messages to implement participant and layout selection in a multipoint videoconferenceCISCO TECH INC·Filed 2003·Granted Jan 22, 2008·92 cites·47 claims
- 0592US8379077B2Automatic layout and speaker selection in a continuous presence video conferenceCISCO TECH INC·Filed 2010·Granted Feb 19, 2013·13 cites·20 claims
- 0692US6778959B1System and method for speech verification using out-of-vocabulary modelsSONY CORP·Filed 2000·Granted Aug 17, 2004·98 cites·36 claims
- 0789US7940294B2Method and apparatus for using far end camera control (FECC) messages to implement participant and layout selection in a multipoint videoconferenceCISCO TECH INC·Filed 2007·Granted May 10, 2011·10 cites·20 claims
- 0885US7929012B2Method and architecture for distributed video switching using media notificationsCISCO TECH INC·Filed 2006·Granted Apr 19, 2011·15 cites·31 claims
- 0984US8868735B2Wide area network optimizationWANG WENYI·Filed 2012·Granted Oct 21, 2014·13 cites·18 claims
- 1083US8576272B2Method and apparatus for using far end camera control (FECC) messages to implement participant and layout selection in a multipoint videoconferenceWU DUANPEI·Filed 2011·Granted Nov 5, 2013·4 cites·9 claims
- 1182US8666042B2Techniques for performing key frame requests in media servers and endpoint devicesWU DUANPEI·Filed 2011·Granted Mar 4, 2014·5 cites·21 claims
- 1281US6718302B1Method for utilizing validity constraints in a speech endpoint detectorSONY CORP·Filed 2000·Granted Apr 6, 2004·39 cites·8 claims
- 1378US6826528B1Weighted frequency-channel background noise suppressorSONY CORP·Filed 2000·Granted Nov 30, 2004·29 cites·42 claims
- 1478US6216103B1Method for implementing a speech recognition system to determine speech endpoints during conditions with background noiseSONY CORP·Filed 1997·Granted Apr 10, 2001·85 cites·47 claims
- 1576US8614732B2System and method for performing distributed multipoint video conferencingBAIRD RANDALL B·Filed 2005·Granted Dec 24, 2013·4 cites·18 claims
- 1675US8179422B2System and method for video conferencingWU DUANPEI·Filed 2007·Granted May 15, 2012·3 cites·21 claims
- 1775US6473735B1System and method for speech verification using a confidence measureSONY CORP·Filed 2000·Granted Oct 29, 2002·23 cites·37 claims
- 1869US6173258B1Method for reducing noise distortions in a speech recognition systemSONY CORP·Filed 1998·Granted Jan 9, 2001·60 cites·54 claims
- 1968US9137486B2System and method for video conferencingCISCO TECH INC·Filed 2013·Granted Sep 15, 2015·1 cites·18 claims
- 2068US8659636B2System and method for performing distributed video conferencingFIRESTONE SCOTT S·Filed 2003·Granted Feb 25, 2014·12 cites·34 claims
- 2165US8760490B2Techniques for a rate-adaptive video conference bridgeWU DUANPEI·Filed 2011·Granted Jun 24, 2014·1 cites·26 claims
- 2262US6006186AMethod and apparatus for a parameter sharing speech recognition systemSONY CORP·Filed 1997·Granted Dec 21, 1999·43 cites·45 claims
- 2361US5748843AApparatus and method for voice controlled apparel manufactureUNIV CLEMSON·Filed 1994·Granted May 5, 1998·22 cites·45 claims
- 2459US8340078B1System for concealing missing audio waveformsWU DUANPEI·Filed 2006·Granted Dec 25, 2012·2 cites·19 claims
- 2558US9894397B2Controlling bit-rates for media streaming sessionsWANG WENYI·Filed 2011·Granted Feb 13, 2018·1 cites·14 claims
- 2657US8713105B2Method and apparatus for transcoding and transrating in distributed video systemsRAMALINGAM THIYAGESAN·Filed 2006·Granted Apr 29, 2014·2 cites·16 claims
- 2756US8619118B2System and method for video conferencingWU DUANPEI·Filed 2012·Granted Dec 31, 2013·0 cites·18 claims
- 2850US6751588B1Method for performing microphone conversions in a speech recognition systemSONY CORP·Filed 1999·Granted Jun 15, 2004·27 cites·30 claims
- 2950US6230122B1Speech detection with noise suppression based on principal components analysisSONY CORP·Filed 1998·Granted May 8, 2001·29 cites·16 claims
- 3049US8811167B2Shaping multimedia stream bit-rates to adapt to network conditionsKHILNANI SARAT·Filed 2011·Granted Aug 19, 2014·1 cites·22 claims
- 3149US8654761B2System for conealing missing audio waveformsCISCO TECH INC·Filed 2012·Granted Feb 18, 2014·0 cites·21 claims
- 3246US8982702B2Control of rate adaptive endpointsCISCO TECH INC·Filed 2012·Granted Mar 17, 2015·0 cites·24 claims
- 3344US9577947B2System and architecture to optimize video traffic over internet protocol networksCISCO TECH INC·Filed 2013·Granted Feb 21, 2017·0 cites·21 claims
- 3443US7907594B2Marking keyframes for a communication sessionCISCO TECH INC·Filed 2006·Granted Mar 15, 2011·0 cites·21 claims
- 3542US9591037B2Distributed audio mixing and forwardingCISCO TECH INC·Filed 2013·Granted Mar 7, 2017·0 cites·16 claims
- 3641US6272460B1Method for implementing a speech verification system for use in a noisy environmentSONY CORP·Filed 1999·Granted Aug 7, 2001·15 cites·34 claims
- 3735US9774463B2Optimizing user experiences of web conferences that send data with source-specific multicast and automatic multicast tunnelingCISCO TECH INC·Filed 2015·Granted Sep 26, 2017·0 cites·20 claims
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