Inventor
WU DUANPEI
US37 patents
⚠️ This page may combine multiple inventors who share the name “WU DUANPEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CISCO TECH INC
13 patentsUS7477282B2Jan 13, 2009
System and method for performing distributed video conferencing
CISCO TECH INC164 citations98
US7084898B1Aug 1, 2006
System and method for providing video conferencing synchronization
CISCO TECH INC173 citations98
US7321384B1Jan 22, 2008
Method and apparatus for using far end camera control (FECC) messages to implement participant and layout selection in a multipoint videoconference
CISCO TECH INC92 citations97
US8379077B2Feb 19, 2013
Automatic layout and speaker selection in a continuous presence video conference
CISCO TECH INC13 citations84
US7940294B2May 10, 2011
Method and apparatus for using far end camera control (FECC) messages to implement participant and layout selection in a multipoint videoconference
CISCO TECH INC10 citations84
US7929012B2Apr 19, 2011
Method and architecture for distributed video switching using media notifications
CISCO TECH INC15 citations80
US9137486B2Sep 15, 2015
System and method for video conferencing
CISCO TECH INC1 citations61
US8654761B2Feb 18, 2014
System for conealing missing audio waveforms
CISCO TECH INC0 citations52
US8982702B2Mar 17, 2015
Control of rate adaptive endpoints
CISCO TECH INC0 citations51
US9774463B2Sep 26, 2017
Optimizing user experiences of web conferences that send data with source-specific multicast and automatic multicast tunneling
CISCO TECH INC0 citations43
US7907594B2Mar 15, 2011
Marking keyframes for a communication session
CISCO TECH INC0 citations41
US9591037B2Mar 7, 2017
Distributed audio mixing and forwarding
CISCO TECH INC0 citations40
US9577947B2Feb 21, 2017
System and architecture to optimize video traffic over internet protocol networks
CISCO TECH INC0 citations40
SONY CORP
10 patentsUS6778959B1Aug 17, 2004
System and method for speech verification using out-of-vocabulary models
SONY CORP98 citations98
US6216103B1Apr 10, 2001
Method for implementing a speech recognition system to determine speech endpoints during conditions with background noise
SONY CORP85 citations98
US6173258B1Jan 9, 2001
Method for reducing noise distortions in a speech recognition system
SONY CORP60 citations96
US6826528B1Nov 30, 2004
Weighted frequency-channel background noise suppressor
SONY CORP29 citations92
US6751588B1Jun 15, 2004
Method for performing microphone conversions in a speech recognition system
SONY CORP27 citations92
US6718302B1Apr 6, 2004
Method for utilizing validity constraints in a speech endpoint detector
SONY CORP39 citations92
US6473735B1Oct 29, 2002
System and method for speech verification using a confidence measure
SONY CORP23 citations92
US6006186ADec 21, 1999
Method and apparatus for a parameter sharing speech recognition system
SONY CORP43 citations92
US6230122B1May 8, 2001
Speech detection with noise suppression based on principal components analysis
SONY CORP29 citations90
US6272460B1Aug 7, 2001
Method for implementing a speech verification system for use in a noisy environment
SONY CORP15 citations84
WU DUANPEI
6 patentsUS8666042B2Mar 4, 2014
Techniques for performing key frame requests in media servers and endpoint devices
WU DUANPEI5 citations72
US8340078B1Dec 25, 2012
System for concealing missing audio waveforms
WU DUANPEI2 citations62
US8179422B2May 15, 2012
System and method for video conferencing
WU DUANPEI3 citations62
US8576272B2Nov 5, 2013
Method and apparatus for using far end camera control (FECC) messages to implement participant and layout selection in a multipoint videoconference
WU DUANPEI4 citations61
US8619118B2Dec 31, 2013
System and method for video conferencing
WU DUANPEI0 citations51
US8760490B2Jun 24, 2014
Techniques for a rate-adaptive video conference bridge
WU DUANPEI1 citations50