Inventor · disambiguated record
Peter L. Chu
Also filed as: CHU PETER · CHU PETER L · CHU PETER LEE
92 granted patents·7 pending applications·2,869 citations·filing 1991–2025
99Inventor score
Top patents by PatentIndex Score
99 records- 0197US10939045B2People detection method for auto-framing and tracking in a video conferencePOLYCOM INC·Filed 2020·Granted Mar 2, 2021·8 cites·20 claims
- 0297US10187579B1People detection method for auto-framing and tracking in a video conferencePOLYCOM INC·Filed 2017·Granted Jan 22, 2019·29 cites·15 claims
- 0397US8842161B2Videoconferencing system having adjunct camera for auto-framing and trackingFENG JINWEI·Filed 2012·Granted Sep 23, 2014·95 cites·24 claims
- 0497US6912178B2System and method for computing a location of an acoustic sourcePOLYCOM INC·Filed 2003·Granted Jun 28, 2005·97 cites·22 claims
- 0597US5778082AMethod and apparatus for localization of an acoustic sourcePICTURETEL CORP·Filed 1996·Granted Jul 7, 1998·250 cites·37 claims
- 0696US10091412B1Optimal view selection method in a video conferencePOLYCOM INC·Filed 2017·Granted Oct 2, 2018·22 cites·19 claims
- 0796US9024998B2Pairing devices in conference using ultrasonic beaconCHU PETER L·Filed 2011·Granted May 5, 2015·26 cites·27 claims
- 0896US8395653B2Videoconferencing endpoint having multiple voice-tracking camerasFENG JINWEI·Filed 2010·Granted Mar 12, 2013·66 cites·33 claims
- 0996US6593956B1Locating an audio sourcePOLYCOM INC·Filed 1998·Granted Jul 15, 2003·493 cites·64 claims
- 1096US5550924AReduction of background noise for speech enhancementPICTURETEL CORP·Filed 1995·Granted Aug 27, 1996·305 cites·21 claims
- 1196US5305307AAdaptive acoustic echo canceller having means for reducing or eliminating echo in a plurality of signal bandwidthsPICTURETEL CORP·Filed 1991·Granted Apr 19, 1994·224 cites·40 claims
- 1295US10574899B2People detection method for auto-framing and tracking in a video conferencePOLYCOM INC·Filed 2018·Granted Feb 25, 2020·17 cites·20 claims
- 1395US10447970B1Stereoscopic audio to visual sound stage matching in a teleconferencePOLYCOM INC·Filed 2018·Granted Oct 15, 2019·18 cites·20 claims
- 1495US10154148B1Audio echo cancellation with robust double-talk detection in a conferencing environmentPOLYCOM INC·Filed 2017·Granted Dec 11, 2018·16 cites·21 claims
- 1595US10134414B1Interference-free audio pickup in a video conferencePOLYCOM INC·Filed 2017·Granted Nov 20, 2018·16 cites·16 claims
- 1695US8248448B2Automatic camera framing for videoconferencingFENG JINWEI·Filed 2010·Granted Aug 21, 2012·37 cites·43 claims
- 1795US8130977B2Cluster of first-order microphones and method of operation for stereo input of videoconferencing systemCHU PETER L·Filed 2005·Granted Mar 6, 2012·55 cites·24 claims
- 1895US7660428B2Ceiling microphone assemblyPOLYCOM INC·Filed 2005·Granted Feb 9, 2010·58 cites·21 claims
- 1995US5715319AMethod and apparatus for steerable and endfire superdirective microphone arrays with reduced analog-to-digital converter and computational requirementsPICTURETEL CORP·Filed 1996·Granted Feb 3, 1998·199 cites·25 claims
- 2094US10117021B1Audio feedback reduction utilizing adaptive filters and nonlinear processingPOLYCOM INC·Filed 2018·Granted Oct 30, 2018·11 cites·13 claims
- 2194US8320554B1Acoustic echo canceller clock compensationCHU PETER L·Filed 2010·Granted Nov 27, 2012·33 cites·39 claims
- 2294US7787328B2System and method for computing a location of an acoustic sourcePOLYCOM INC·Filed 2004·Granted Aug 31, 2010·58 cites·50 claims
- 2394US7646876B2System and method for stereo operation of microphones for video conferencing systemPOLYCOM INC·Filed 2005·Granted Jan 12, 2010·26 cites·40 claims
- 2494US5263019AMethod and apparatus for estimating the level of acoustic feedback between a loudspeaker and microphonePICTURETEL CORP·Filed 1992·Granted Nov 16, 1993·153 cites·18 claims
- 2592US12308029B2Responding to a spoken command in a communication sessionHEWLETT PACKARD DEVELOPMENT CO·Filed 2023·Granted May 20, 2025·2 cites·20 claims
- 2692US9730255B1Room-specific pairing via a combined ultrasonic beacon/bluetooth approachPOLYCOM INC·Filed 2016·Granted Aug 8, 2017·23 cites·24 claims
- 2792USD473546SIntegrated audio/video call control podPOLYCOM INC·Filed 2002·Granted Apr 22, 2003·49 cites·1 claims
- 2892US5787183AMicrophone system for teleconferencing systemPICTURETEL CORP·Filed 1996·Granted Jul 28, 1998·127 cites·8 claims
- 2991US10491809B2Optimal view selection method in a video conferencePOLYCOM INC·Filed 2018·Granted Nov 26, 2019·7 cites·20 claims
- 3090US11589005B1Method and system for controlling speaker tracking in a video conferencing systemPLANTRONICS·Filed 2021·Granted Feb 21, 2023·3 cites·19 claims
- 3190US11475869B2Hybrid noise suppression for communication systemsPLANTRONICS·Filed 2021·Granted Oct 18, 2022·2 cites·13 claims
- 3290US9392221B2Videoconferencing endpoint having multiple voice-tracking camerasPOLYCOM INC·Filed 2013·Granted Jul 12, 2016·11 cites·23 claims
- 3390US8896651B2Portable devices as videoconferencing peripheralsCHU PETER L·Filed 2011·Granted Nov 25, 2014·19 cites·44 claims
- 3488US9030520B2Automatic camera selection for videoconferencingCHU PETER L·Filed 2011·Granted May 12, 2015·15 cites·33 claims
- 3587US11587575B2Hybrid noise suppressionPLANTRONICS·Filed 2020·Granted Feb 21, 2023·2 cites·18 claims
- 3686US10938992B1Advanced audio feedback reduction utilizing adaptive filters and nonlinear processingPOLYCOM INC·Filed 2019·Granted Mar 2, 2021·6 cites·20 claims
- 3786US10819857B1Minimizing echo due to speaker-to-microphone coupling changes in an acoustic echo cancelerPOLYCOM INC·Filed 2019·Granted Oct 27, 2020·6 cites·20 claims
- 3886US8386266B2Full-band scalable audio codecPOLYCOM INC·Filed 2010·Granted Feb 26, 2013·15 cites·43 claims
- 3986US6922206B2Videoconferencing system with horizontal and vertical microphone arraysPOLYCOM INC·Filed 2003·Granted Jul 26, 2005·25 cites·12 claims
- 4083US7953595B2Dual-transform coding of audio signalsPOLYCOM INC·Filed 2006·Granted May 31, 2011·19 cites·38 claims
- 4183US5664021AMicrophone system for teleconferencing systemPICTURETEL CORP·Filed 1993·Granted Sep 2, 1997·70 cites·19 claims
- 4282US11477328B2PTP-based audio clock synchronization and alignment for acoustic echo cancellation in a conferencing system with IP-connected cameras, microphones and speakersPLANTRONICS·Filed 2020·Granted Oct 18, 2022·2 cites·20 claims
- 4382US9203633B2Mobile group conferencing with portable devicesCHU PETER L·Filed 2012·Granted Dec 1, 2015·6 cites·24 claims
- 4480US10462424B2Pairing devices in conference using ultrasonic beacon and subsequent control thereofPOLYCOM INC·Filed 2018·Granted Oct 29, 2019·1 cites·22 claims
- 4580US9237238B2Speech-selective audio mixing for conferencePOLYCOM INC·Filed 2014·Granted Jan 12, 2016·6 cites·33 claims
- 4679US10490202B2Interference-free audio pickup in a video conferencePOLYCOM INC·Filed 2018·Granted Nov 26, 2019·2 cites·20 claims
- 4778US11893506B1Decision tree training with difference subsets of training samples based on a plurality of classificationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Granted Feb 6, 2024·1 cites·20 claims
- 4878US8462193B1Method and system for processing audio signalsTRUONG KWAN·Filed 2010·Granted Jun 11, 2013·11 cites·16 claims
- 4977US8170200B1Method and apparatus for percussive noise reduction in a conferenceCHU PETER·Filed 2007·Granted May 1, 2012·7 cites·31 claims
- 5075US10904657B1Second-order gradient microphone system with baffles for teleconferencingPLANTRONICS·Filed 2019·Granted Jan 26, 2021·1 cites·18 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →