Inventor · disambiguated record
Youhong Lu
Also filed as: LU YOUHONG
26 granted patents·1 pending application·300 citations·filing 1997–2022
96Inventor score
Files with3COM CORP6CONEXANT SYSTEMS INC4LU YOUHONG4SHENZHEN GOODIX TECH CO LTD3VERIZON PATENT & LICENSING INC2
Top patents by PatentIndex Score
27 records- 0197US10950213B1Hybrid active noise cancellation filter adaptationGOODIX TECH INC·Filed 2020·Granted Mar 16, 2021·28 cites·18 claims
- 0294US11189261B1Hybrid active noise control systemSHENZHEN GOODIX TECH CO LTD·Filed 2020·Granted Nov 30, 2021·22 cites·20 claims
- 0394US8634569B2Systems and methods for echo cancellation and echo suppressionLU YOUHONG·Filed 2010·Granted Jan 21, 2014·40 cites·33 claims
- 0482US6768796B2System and method for echo cancellation3COM CORP·Filed 2001·Granted Jul 27, 2004·25 cites·34 claims
- 0581US8767974B1System and method for generating comfort noiseLU YOUHONG·Filed 2005·Granted Jul 1, 2014·22 cites·20 claims
- 0677US11270721B2Systems and methods of pre-processing of speech signals for improved speech recognitionPLANTRONICS·Filed 2019·Granted Mar 8, 2022·3 cites·22 claims
- 0777US6052462ADouble talk detection and echo control circuitTELLABS OPERATIONS INC·Filed 1997·Granted Apr 18, 2000·76 cites·20 claims
- 0875US9837102B2User environment aware acoustic noise reductionZAD ISSA SYAVOSH·Filed 2014·Granted Dec 5, 2017·7 cites·20 claims
- 0975US9473865B2Integrated motion detection using changes in acoustic echo pathCONEXANT SYSTEMS INC·Filed 2013·Granted Oct 18, 2016·5 cites·20 claims
- 1075US6873701B1System and method for DTMF detection using likelihood ratios3COM CORP·Filed 2001·Granted Mar 29, 2005·14 cites·18 claims
- 1175US6766020B1System and method for comfort noise generation3COM CORP·Filed 2001·Granted Jul 20, 2004·26 cites·24 claims
- 1272US9426279B2Systems and methods for echo cancellation and echo suppressionCONEXANT SYSTEMS INC·Filed 2014·Granted Aug 23, 2016·2 cites·13 claims
- 1368US9049281B2Nonlinear echo suppressionLU YOUHONG·Filed 2012·Granted Jun 2, 2015·3 cites·9 claims
- 1465US11205412B1Hybrid active noise cancellation filter adaptationSHENZHEN GOODIX TECH CO LTD·Filed 2021·Granted Dec 21, 2021·0 cites·20 claims
- 1560US7006458B1Echo canceller disabler for modulated data signals3COM CORP·Filed 2000·Granted Feb 28, 2006·5 cites·9 claims
- 1659US9344579B2Variable step size echo cancellation with accounting for instantaneous interferenceLU YOUHONG·Filed 2014·Granted May 17, 2016·2 cites·20 claims
- 1756US6590972B1DTMF detection based on LPC coefficients3COM CORP·Filed 2001·Granted Jul 8, 2003·3 cites·17 claims
- 1853US9788109B2Microphone placement for sound source direction estimationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Oct 10, 2017·1 cites·20 claims
- 1951US11790882B2Active noise cancellation filter adaptation with ear cavity frequency response compensationSHENZHEN GOODIX TECH CO LTD·Filed 2022·Granted Oct 17, 2023·0 cites·20 claims
- 2048US9407992B2Estimation of reverberation decay related applicationsCONEXANT SYSTEMS INC·Filed 2013·Granted Aug 2, 2016·0 cites·18 claims
- 2147US9723152B2Nonlinear echo suppressionCONEXANT SYSTEMS LLC·Filed 2015·Granted Aug 1, 2017·0 cites·9 claims
- 2247US7570608B2Echo canceller disabler for modulated data signals3COM CORP·Filed 2006·Granted Aug 4, 2009·0 cites·16 claims
- 2347US6711259B1Method and apparatus for noise suppression and side-tone generationLUCENT TECHNOLOGIES INC·Filed 1999·Granted Mar 23, 2004·15 cites·23 claims
- 2446US7860236B2Method and system for echo cancellation in a network switchHEWLETT PACKARD CO·Filed 2007·Granted Dec 28, 2010·1 cites·15 claims
- 2541US10015588B1Beamforming optimization for receiving audio signalsVERIZON PATENT & LICENSING INC·Filed 2016·Granted Jul 3, 2018·0 cites·20 claims
- 2641US2014016794A1Echo cancellation system and method with multiple microphones and multiple speakersCONEXANT SYSTEMS INC·Filed 2013·Application pending·0 cites
- 2739US10262672B2Audio processing for speechVERIZON PATENT & LICENSING INC·Filed 2017·Granted Apr 16, 2019·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →