Inventor · disambiguated record
Vasu Iyengar
Also filed as: IYENGAR VASU · IYENGAR VASU S
44 granted patents·5 pending applications·2,065 citations·filing 1992–2024
98Inventor score
Files withAPPLE INC26AGERE SYSTEMS INC6LUCENT TECHNOLOGIES INC5AGERE SYST GUARDIAN CORP2IYENGAR VASU2
Top patents by PatentIndex Score
49 records- 0198US5455888ASpeech bandwidth extension method and apparatusNORTHERN TELECOM LTD·Filed 1992·Granted Oct 3, 1995·631 cites·15 claims
- 0297US9736578B2Microphone-based orientation sensors and related techniquesAPPLE INC·Filed 2015·Granted Aug 15, 2017·110 cites·20 claims
- 0397US9467779B2Microphone partial occlusion detectorAPPLE INC·Filed 2014·Granted Oct 11, 2016·153 cites·20 claims
- 0496US11276384B2Ambient sound enhancement and acoustic noise cancellation based on contextAPPLE INC·Filed 2020·Granted Mar 15, 2022·10 cites·10 claims
- 0596US11250833B1Method and system for detecting and mitigating audio howl in headsetsAPPLE INC·Filed 2020·Granted Feb 15, 2022·15 cites·21 claims
- 0696US10482899B2Coordination of beamformers for noise estimation and noise suppressionAPPLE INC·Filed 2016·Granted Nov 19, 2019·31 cites·29 claims
- 0795US9516409B1Echo cancellation and control for microphone beam patternsAPPLE INC·Filed 2015·Granted Dec 6, 2016·19 cites·20 claims
- 0894US7826945B2Automobile speech-recognition interfaceZHANG YOU·Filed 2005·Granted Nov 2, 2010·521 cites·6 claims
- 0993US10535362B2Speech enhancement for an electronic deviceAPPLE INC·Filed 2018·Granted Jan 14, 2020·12 cites·18 claims
- 1092US8798278B2Dynamic gain adjustment based on signal to ambient noise levelISABELLE STEVEN H·Filed 2011·Granted Aug 5, 2014·35 cites·11 claims
- 1192US8620650B2Rejecting noise with paired microphonesWALTERS LUKE C·Filed 2011·Granted Dec 31, 2013·67 cites·33 claims
- 1291US10382857B1Automatic level control for psychoacoustic bass enhancementAPPLE INC·Filed 2018·Granted Aug 13, 2019·13 cites·14 claims
- 1387US10490205B1Location based storage and upload of acoustic environment related informationAPPLE INC·Filed 2017·Granted Nov 26, 2019·5 cites·20 claims
- 1485US10090001B2System and method for performing speech enhancement using a neural network-based combined symbolAPPLE INC·Filed 2016·Granted Oct 2, 2018·8 cites·21 claims
- 1584US11153677B2Ambient sound enhancement based on hearing profile and acoustic noise cancellationAPPLE INC·Filed 2020·Granted Oct 19, 2021·2 cites·18 claims
- 1684US11114109B2Mitigating noise in audio signalsAPPLE INC·Filed 2020·Granted Sep 7, 2021·2 cites·20 claims
- 1784US10553235B2Transparent near-end user control over far-end speech enhancement processingAPPLE INC·Filed 2019·Granted Feb 4, 2020·5 cites·31 claims
- 1879US12293753B2Adaptive noise cancellation and speech filtering for electronic devicesAPPLE INC·Filed 2024·Granted May 6, 2025·0 cites·20 claims
- 1978US9516413B1Location based storage and upload of acoustic environment related informationAPPLE INC·Filed 2014·Granted Dec 6, 2016·4 cites·23 claims
- 2077US6745055B1Digital cordless telephone with speakerphone in a remote handsetAGERE SYSTEMS INC·Filed 2000·Granted Jun 1, 2004·20 cites·27 claims
- 2174US9516159B2System and method of double talk detection with acoustic echo and noise controlAPPLE INC·Filed 2015·Granted Dec 6, 2016·3 cites·21 claims
- 2274US5664011AEcho canceller with adaptive and non-adaptive filtersLUCENT TECHNOLOGIES INC·Filed 1995·Granted Sep 2, 1997·88 cites·27 claims
- 2373US9491545B2Methods and devices for reverberation suppressionAPPLE INC·Filed 2014·Granted Nov 8, 2016·3 cites·24 claims
- 2472US11935512B2Adaptive noise cancellation and speech filtering for electronic devicesAPPLE INC·Filed 2022·Granted Mar 19, 2024·0 cites·21 claims
- 2572US6385176B1Communication system based on echo canceler tap profileLUCENT TECHNOLOGIES INC·Filed 1998·Granted May 7, 2002·56 cites·27 claims
- 2670US5663955AEcho canceller system with shared coefficient memoryLUCENT TECHNOLOGIES INC·Filed 1995·Granted Sep 2, 1997·51 cites·40 claims
- 2764US9966067B2Audio noise estimation and audio noise reduction using multiple microphonesAPPLE INC·Filed 2013·Granted May 8, 2018·2 cites·16 claims
- 2864US6049765ASilence compression for recorded voice messagesLUCENT TECHNOLOGIES INC·Filed 1997·Granted Apr 11, 2000·47 cites·35 claims
- 2963US10176823B2System and method for audio noise processing and noise reductionAPPLE INC·Filed 2014·Granted Jan 8, 2019·2 cites·24 claims
- 3062US6546241B2Handset access of message in digital cordless telephoneAGERE SYSTEMS INC·Filed 1999·Granted Apr 8, 2003·35 cites·17 claims
- 3159US9524735B2Threshold adaptation in two-channel noise estimation and voice activity detectionAPPLE INC·Filed 2014·Granted Dec 20, 2016·1 cites·22 claims
- 3255US2009008443A1Information Storage Tag System for Use and MethodLEVOVITZ YERUCHEM J·Filed 2005·Application pending·0 cites
- 3354US6295340B1Speech coding selection based on call related informationLUCENT TECHNOLOGIES INC·Filed 1998·Granted Sep 25, 2001·21 cites·22 claims
- 3453US11715483B2Self-voice adaptationAPPLE INC·Filed 2020·Granted Aug 1, 2023·0 cites·20 claims
- 3553US6366670B1Call related information receiver unitAGERE SYST GUARDIAN CORP·Filed 1998·Granted Apr 2, 2002·24 cites·22 claims
- 3648US7035396B1Configurable echo cancellerAGERE SYSTEMS INC·Filed 1999·Granted Apr 25, 2006·15 cites·36 claims
- 3745US10396835B2System and method for reducing noise from time division multiplexing of a cellular communications transmitterAPPLE INC·Filed 2017·Granted Aug 27, 2019·0 cites·22 claims
- 3845US5943407APerformance enhancement of tone detection and FSK detection using hybrid echo cancellationLUCENT TECHOLOGIES INC·Filed 1997·Granted Aug 24, 1999·12 cites·22 claims
- 3943US7233659B1Message playback concurrent with speakerphone operationAGERE SYSTEMS INC·Filed 1999·Granted Jun 19, 2007·11 cites·28 claims
- 4043US6349213B1Apparatus for enhanced voice quality in multiple cordless handset environment and methodAGERE SYST GUARDIAN CORP·Filed 1999·Granted Feb 19, 2002·11 cites·84 claims
- 4143US5577117AMethods and apparatus for estimating and adjusting the frequency response of telecommunications channelsNORTHERN TELECOM LTD·Filed 1994·Granted Nov 19, 1996·11 cites·22 claims
- 4240US2012076321A1Single Microphone for Noise Rejection and Noise MeasurementRING MARTIN D·Filed 2011·Application pending·0 cites
- 4339US10269369B2System and method of noise reduction for a mobile deviceAPPLE INC·Filed 2017·Granted Apr 23, 2019·0 cites·20 claims
- 4439US2019066710A1Transparent near-end user control over far-end speech enhancement processingAPPLE INC·Filed 2017·Application pending·0 cites
- 4537US8923522B2Noise level estimatorIYENGAR VASU·Filed 2011·Granted Dec 30, 2014·0 cites·17 claims
- 4637US7224794B1Transmitting message playback concurrent with speakerphone operationAGERE SYSTEMS INC·Filed 1999·Granted May 29, 2007·6 cites·19 claims
- 4736US2017337932A1Beam selection for noise suppression based on separationAPPLE INC·Filed 2016·Application pending·0 cites
- 4835US6728344B1Efficient compression of VROM messages for telephone answering devicesAGERE SYSTEMS INC·Filed 1999·Granted Apr 27, 2004·3 cites·21 claims
- 4934US2012076320A1Fine/Coarse Gain AdjustmentIYENGAR VASU·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →