Inventor · disambiguated record
Alejandro Acero
Also filed as: ACERO ALEJANDRO · ACERO JR ALEJANDRO
159 granted patents·17 pending applications·4,672 citations·filing 1992–2022
99Inventor score
Top patents by PatentIndex Score
176 records- 0198US11538469B2Low-latency intelligent automated assistantAPPLE INC·Filed 2022·Granted Dec 27, 2022·21 cites·57 claims
- 0298US11380310B2Low-latency intelligent automated assistantAPPLE INC·Filed 2020·Granted Jul 5, 2022·20 cites·26 claims
- 0398US8385557B2Multichannel acoustic echo reductionMICROSOFT CORP·Filed 2008·Granted Feb 26, 2013·296 cites·17 claims
- 0497US10789945B2Low-latency intelligent automated assistantAPPLE INC·Filed 2017·Granted Sep 29, 2020·74 cites·39 claims
- 0597US8005238B2Robust adaptive beamforming with enhanced noise suppressionMICROSOFT CORP·Filed 2007·Granted Aug 23, 2011·86 cites·20 claims
- 0697US7640272B2Using automated content analysis for audio/video content consumptionMICROSOFT CORP·Filed 2006·Granted Dec 29, 2009·85 cites·8 claims
- 0797US5913193AMethod and system of runtime acoustic unit selection for speech synthesisMICROSOFT CORP·Filed 1996·Granted Jun 15, 1999·421 cites·19 claims
- 0896US6985858B2Method and apparatus for removing noise from feature vectorsMICROSOFT CORP·Filed 2001·Granted Jan 10, 2006·180 cites·8 claims
- 0996US6959276B2Including the category of environmental noise when processing speech signalsMICROSOFT CORP·Filed 2001·Granted Oct 25, 2005·190 cites·15 claims
- 1096US6163769AText-to-speech using clustered context-dependent phoneme-based unitsMICROSOFT CORP·Filed 1997·Granted Dec 19, 2000·285 cites·31 claims
- 1195US11862151B2Low-latency intelligent automated assistantAPPLE INC·Filed 2022·Granted Jan 2, 2024·3 cites·39 claims
- 1295US8818002B2Robust adaptive beamforming with enhanced noise suppressionTASHEV IVAN·Filed 2011·Granted Aug 26, 2014·52 cites·19 claims
- 1395US8405706B2Visual feedback for natural head positioningZHANG ZHENGYOU·Filed 2008·Granted Mar 26, 2013·30 cites·19 claims
- 1495US8325909B2Acoustic echo suppressionTASHEV IVAN J·Filed 2008·Granted Dec 4, 2012·84 cites·20 claims
- 1595US7634407B2Method and apparatus for indexing speechMICROSOFT CORP·Filed 2005·Granted Dec 15, 2009·60 cites·8 claims
- 1695US7478038B2Language model adaptation using semantic supervisionMICROSOFT CORP·Filed 2004·Granted Jan 13, 2009·70 cites·13 claims
- 1794US8583428B2Sound source separation using spatial filtering and regularization phasesTASHEV IVAN·Filed 2010·Granted Nov 12, 2013·29 cites·20 claims
- 1894US7809568B2Indexing and searching speech with text meta-dataMICROSOFT CORP·Filed 2005·Granted Oct 5, 2010·42 cites·19 claims
- 1994US5734791ARapid tree-based method for vector quantizationAPPLE COMPUTER·Filed 1992·Granted Mar 31, 1998·257 cites·22 claims
- 2093US8351589B2Spatial audio for audio conferencingMICROSOFT CORP·Filed 2009·Granted Jan 8, 2013·26 cites·20 claims
- 2193US8005237B2Sensor array beamformer post-processorMICROSOFT CORP·Filed 2007·Granted Aug 23, 2011·22 cites·19 claims
- 2293US7107210B2Method of noise reduction based on dynamic aspects of speechMICROSOFT CORP·Filed 2002·Granted Sep 12, 2006·92 cites·29 claims
- 2393US7103544B2Method and apparatus for predicting word error rates from textMICROSOFT CORP·Filed 2005·Granted Sep 5, 2006·18 cites·9 claims
- 2492US9519859B2Deep structured semantic model produced using click-through dataMICROSOFT CORP·Filed 2013·Granted Dec 13, 2016·32 cites·20 claims
- 2592US7603267B2Rules-based grammar for slots and statistical model for preterminals in natural language understanding systemMICROSOFT CORP·Filed 2003·Granted Oct 13, 2009·36 cites·25 claims
- 2692US7181390B2Noise reduction using correction vectors based on dynamic aspects of speech and noise normalizationMICROSOFT CORP·Filed 2005·Granted Feb 20, 2007·27 cites·16 claims
- 2791US7565288B2Spatial noise suppression for a microphone arrayMICROSOFT CORP·Filed 2005·Granted Jul 21, 2009·25 cites·13 claims
- 2890US7941316B2Combined speech and alternate input modality to a mobile deviceMICROSOFT CORP·Filed 2005·Granted May 10, 2011·28 cites·17 claims
- 2990US7856351B2Integrated speech recognition and semantic classificationMICROSOFT CORP·Filed 2007·Granted Dec 21, 2010·32 cites·20 claims
- 3090US7080004B2Grammar authoring systemMICROSOFT CORP·Filed 2001·Granted Jul 18, 2006·65 cites·21 claims
- 3189US8019602B2Automatic speech recognition learning using user correctionsMICROSOFT CORP·Filed 2004·Granted Sep 13, 2011·32 cites·6 claims
- 3289US7949526B2Voice aware demographic personalizationMICROSOFT CORP·Filed 2007·Granted May 24, 2011·28 cites·17 claims
- 3389US7548847B2System for automatically annotating training data for a natural language understanding systemMICROSOFT CORP·Filed 2002·Granted Jun 16, 2009·51 cites·36 claims
- 3489US7289955B2Method of determining uncertainty associated with acoustic distortion-based noise reductionMICROSOFT CORP·Filed 2006·Granted Oct 30, 2007·20 cites·6 claims
- 3589US7028325B1Annotating programs for automatic summary generationMICROSOFT CORP·Filed 2000·Granted Apr 11, 2006·47 cites·21 claims
- 3688US10055686B2Dimensionally reduction of linguistics informationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Aug 21, 2018·7 cites·20 claims
- 3787US8306818B2Discriminative training of language models for text and speech classificationCHELBA CIPRIAN·Filed 2008·Granted Nov 6, 2012·19 cites·10 claims
- 3887US7117148B2Method of noise reduction using correction vectors based on dynamic aspects of speech and noise normalizationMICROSOFT CORP·Filed 2002·Granted Oct 3, 2006·40 cites·7 claims
- 3986US9054764B2Sensor array beamformer post-processorTASHEV IVAN·Filed 2011·Granted Jun 9, 2015·7 cites·18 claims
- 4086US7634406B2System and method for identifying semantic intent from acoustic informationMICROSOFT CORP·Filed 2004·Granted Dec 15, 2009·54 cites·33 claims
- 4186US7139703B2Method of iterative noise estimation in a recursive frameworkMICROSOFT CORP·Filed 2002·Granted Nov 21, 2006·50 cites·27 claims
- 4286US7047047B2Non-linear observation model for removing noise from corrupted signalsMICROSOFT CORP·Filed 2002·Granted May 16, 2006·50 cites·16 claims
- 4385US7813923B2Calibration based beamforming, non-linear adaptive filtering, and multi-sensor headsetMICROSOFT CORP·Filed 2005·Granted Oct 12, 2010·19 cites·15 claims
- 4485US7519531B2Speaker adaptive learning of resonance targets in a hidden trajectory model of speech coarticulationMICROSOFT CORP·Filed 2005·Granted Apr 14, 2009·19 cites·18 claims
- 4585US7451083B2Removing noise from feature vectorsMICROSOFT CORP·Filed 2005·Granted Nov 11, 2008·14 cites·17 claims
- 4685US7346504B2Multi-sensory speech enhancement using a clean speech priorMICROSOFT CORP·Filed 2005·Granted Mar 18, 2008·14 cites·17 claims
- 4785US7266494B2Method and apparatus for identifying noise environments from noisy signalsMICROSOFT CORP·Filed 2004·Granted Sep 4, 2007·40 cites·43 claims
- 4885US6879952B2Sound source separation using convolutional mixing and a priori sound source knowledgeMICROSOFT CORP·Filed 2001·Granted Apr 12, 2005·44 cites·20 claims
- 4984US8489529B2Deep convex network with joint use of nonlinear random projection, Restricted Boltzmann Machine and batch-based parallelizable optimizationDENG LI·Filed 2011·Granted Jul 16, 2013·14 cites·20 claims
- 5084US8433576B2Automatic reading tutoring with parallel polarized language modelingLI XIAOLONG·Filed 2007·Granted Apr 30, 2013·7 cites·20 claims
Showing the top 50 of 176 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →