Inventor · disambiguated record
Wan-Chieh Pai
Also filed as: PAI WAN-CHIEH
12 granted patents·3 pending applications·552 citations·filing 2000–2022
91Inventor score
Top patents by PatentIndex Score
15 records- 0198US7003099B1Small array microphone for acoustic echo cancellation and noise suppressionFORTEMEDIA INC·Filed 2003·Granted Feb 21, 2006·434 cites·23 claims
- 0294US11564036B1Presence detection using ultrasonic signals with concurrent audio playbackAMAZON TECH INC·Filed 2020·Granted Jan 24, 2023·5 cites·20 claims
- 0391US7764783B1Acoustic echo cancellation with oversamplingFORTEMEDIA INC·Filed 2006·Granted Jul 27, 2010·29 cites·15 claims
- 0486US8750528B2Audio apparatus and audio controller thereofDONG PING·Filed 2011·Granted Jun 10, 2014·12 cites·20 claims
- 0586US7706549B2Broadside small array microphone beamforming apparatusFORTEMEDIA INC·Filed 2007·Granted Apr 27, 2010·17 cites·22 claims
- 0685US12112737B1Acoustic feedback controlAMAZON TECH INC·Filed 2022·Granted Oct 8, 2024·2 cites·20 claims
- 0780US7848529B2Broadside small array microphone beamforming unitFORTEMEDIA INC·Filed 2007·Granted Dec 7, 2010·11 cites·15 claims
- 0872US7403611B1Small size hands-free speakerphone apparatusFORTEMEDIA INC·Filed 2004·Granted Jul 22, 2008·19 cites·20 claims
- 0970US7813498B2Full-duplex communication device and method of acoustic echo cancellation thereinFORTEMEDIA INC·Filed 2007·Granted Oct 12, 2010·3 cites·19 claims
- 1067US6801886B1System and method for enhancing MPEG audio encoder qualitySONY CORP·Filed 2000·Granted Oct 5, 2004·16 cites·8 claims
- 1153US6895374B1Method for utilizing temporal masking in digital audio codingSONY ELECTRONICS INC·Filed 2000·Granted May 17, 2005·4 cites·19 claims
- 1252US2011096937A1Microphone apparatus and sound processing methodFORTEMEDIA INC·Filed 2009·Application pending·0 cites
- 1349US8332215B2Dynamic range control module, speech processing apparatus, and method for amplitude adjustment for a speech signalZHANG MING·Filed 2008·Granted Dec 11, 2012·0 cites·20 claims
- 1448US2008247584A1Electronic device with internal microphone array not parallel to side edges thereofFORTEMEDIA INC·Filed 2007·Application pending·0 cites
- 1541US2013044901A1Microphone arrays and microphone array establishing methodsFORTEMEDIA INC·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →