Inventor · disambiguated record
Sapna George
Also filed as: GEORGE SAPNA
53 granted patents·2 pending applications·772 citations·filing 1997–2015
98Inventor score
Files withST MICROELECTRONICS ASIA31ST MICROELECTRONICS ASIA PACIFIC PTE LTD5ZONG WENBO4KURNIAWATI EVELYN3KARTHIK MURALIDHAR2
Top patents by PatentIndex Score
55 records- 0193US9633652B2Methods, systems, and circuits for speaker dependent voice recognition with a single lexiconST MICROELECTRONICS ASIA PACIFIC PTE LTD·Filed 2013·Granted Apr 25, 2017·46 cites·13 claims
- 0289US7873510B2Adaptive rate control algorithm for low complexity AAC encodingST MICROELECTRONICS ASIA·Filed 2007·Granted Jan 18, 2011·27 cites·35 claims
- 0389US7369989B2Unified filter bank for audio codingST MICROELECTRONICS ASIA·Filed 2001·Granted May 6, 2008·44 cites·23 claims
- 0488US8275611B2Adaptive noise suppression for digital speech signalsZONG WENBO·Filed 2008·Granted Sep 25, 2012·34 cites·20 claims
- 0587US8489391B2Scalable hybrid auto coder for transient detection in advanced audio coding with spectral band replicationKURNIAWATI EVELYN·Filed 2010·Granted Jul 16, 2013·20 cites·20 claims
- 0685US8332216B2System and method for low power stereo perceptual audio coding using adaptive masking thresholdKURNIAWATI EVELYN·Filed 2006·Granted Dec 11, 2012·21 cites·19 claims
- 0784US8437480B2Adaptive loudness levelling for digital audio signalsZONG WENBO·Filed 2010·Granted May 7, 2013·9 cites·20 claims
- 0884US8331570B2Method and system for enhancing bass effect in audio signalsKASARGOD SUDHIR K·Filed 2011·Granted Dec 11, 2012·7 cites·34 claims
- 0984US7653537B2Method and system for detecting voice activity based on cross-correlationST MICROELECTRONICS ASIA·Filed 2004·Granted Jan 26, 2010·45 cites·19 claims
- 1081US8351614B2Digital reverberations for audio signalsST MICROELECTRONICS ASIA·Filed 2007·Granted Jan 8, 2013·14 cites·25 claims
- 1179US8200351B2Low power downmix energy equalization in parametric stereo encodersKURNIAWATI EVELYN·Filed 2007·Granted Jun 12, 2012·14 cites·18 claims
- 1275US9530417B2Methods, systems, and circuits for text independent speaker recognition with automatic learning featuresST MICROELECTRONICS ASIA PACIFIC PTE LTD·Filed 2013·Granted Dec 27, 2016·6 cites·10 claims
- 1374US8054980B2Apparatus and method for rendering audio information to virtualize speakers in an audio systemST MICROELECTRONICS ASIA·Filed 2003·Granted Nov 8, 2011·18 cites·21 claims
- 1473US9647624B2Adaptive loudness levelling method for digital audio signals in frequency domainST MICROELECTRONICS ASIA PACIFIC PTE LTD·Filed 2014·Granted May 9, 2017·3 cites·28 claims
- 1573US6356870B1Method and apparatus for decoding multi-channel audio dataST MICROELECTRONICS ASIA·Filed 1997·Granted Mar 12, 2002·73 cites·18 claims
- 1670US8165128B2Method and system for lost packet concealment in high quality audio streaming applicationsSUN JIANHUA·Filed 2006·Granted Apr 24, 2012·7 cites·20 claims
- 1770US7660718B2Pitch detection of speech signalsST MICROELECTRONICS ASIA·Filed 2004·Granted Feb 9, 2010·18 cites·41 claims
- 1869US8874175B2Converting samples of a signal at a sample rate into samples of another signal at another sample rateST MICROELECTRONICS ASIA·Filed 2012·Granted Oct 28, 2014·4 cites·32 claims
- 1969US6952677B1Fast frame optimization in an audio encoderST MICROELECTRONICS ASIA·Filed 1998·Granted Oct 4, 2005·63 cites·14 claims
- 2067US9241228B2Adaptive self-calibration of small microphone array by soundfield approximation and frequency domain magnitude equalizationNG SAMUEL SAMSUDIN·Filed 2011·Granted Jan 19, 2016·4 cites·24 claims
- 2166US7003449B1Method of encoding an audio signal using a quality value for bit allocationST MICROELECTRONICS ASIA·Filed 1999·Granted Feb 21, 2006·51 cites·20 claims
- 2265US9466304B2Method and system for digital watermarkingST MICROELECTRONICS ASIA PACIFIC PTE LTD·Filed 2015·Granted Oct 11, 2016·2 cites·10 claims
- 2364US8284956B2Method and system for enhancing bass effect in audio signalsKASARGOD SUDHIR K·Filed 2010·Granted Oct 9, 2012·2 cites·19 claims
- 2464US7363216B2Method and system for parametric characterization of transient audio signalsST MICROELECTRONICS ASIA·Filed 2003·Granted Apr 22, 2008·11 cites·25 claims
- 2564US6931291B1Method and apparatus for frequency-domain downmixing with block-switch forcing for audio decoding functionsST MICROELECTRONICS ASIA·Filed 1997·Granted Aug 16, 2005·57 cites·20 claims
- 2663US9020152B2Enabling 3D sound reproduction using a 2D speaker arrangementSWAMINATHAN ANNAMALAI·Filed 2010·Granted Apr 28, 2015·5 cites·29 claims
- 2763US8332229B2Low complexity MPEG encoding for surround sound recordingsSAMSUDIN·Filed 2009·Granted Dec 11, 2012·7 cites·19 claims
- 2863US7961888B2Method and system for enhancing bass effect in audio signalsST MICROELECTRONICS ASIA·Filed 2005·Granted Jun 14, 2011·2 cites·42 claims
- 2962US8873762B2System and method for efficient sound production using directional enhancementSAMSUDIN·Filed 2011·Granted Oct 28, 2014·3 cites·40 claims
- 3060US7096240B1Channel coupling for an AC-3 encoderST MICROELECTRONICS ASIA·Filed 1999·Granted Aug 22, 2006·39 cites·20 claims
- 3159US7873515B2System and method for error reconstruction of streaming audio informationST MICROELECTRONICS ASIA·Filed 2004·Granted Jan 18, 2011·7 cites·30 claims
- 3258US8903730B2Content feature-preserving and complexity-scalable system and method to modify time scaling of digital audio signalsZONG WENBO·Filed 2010·Granted Dec 2, 2014·2 cites·22 claims
- 3357US8670570B2Environmental effects generator for digital audio signalsZONG WENBO·Filed 2007·Granted Mar 11, 2014·2 cites·23 claims
- 3455US8150683B2Apparatus, method, and computer program for comparing audio signalsPADHI KABI P·Filed 2003·Granted Apr 3, 2012·7 cites·25 claims
- 3555US7177812B1Universal sampling rate converter for digital audio frequenciesST MICROELECTRONICS ASIA·Filed 2000·Granted Feb 13, 2007·6 cites·23 claims
- 3654US6591241B1Selecting a coupling scheme for each subband for estimation of coupling parameters in a transform coder for high quality audioST MICROELECTRONICS ASIA·Filed 1997·Granted Jul 8, 2003·21 cites·20 claims
- 3752US7626110B2Energy-based audio pattern recognitionST MICROELECTRONICS ASIA·Filed 2004·Granted Dec 1, 2009·3 cites·20 claims
- 3852US7563971B2Energy-based audio pattern recognition with weighting of energy matchesST MICROELECTRONICS ASIA·Filed 2004·Granted Jul 21, 2009·3 cites·18 claims
- 3951US7725323B2Device and process for encoding audio dataST MICROELECTRONICS ASIA·Filed 2004·Granted May 25, 2010·3 cites·14 claims
- 4050US9525934B2Steering vector estimation for minimum variance distortionless response (MVDR) beamforming circuits, systems, and methodsST MICROELECTRONICS ASIA PACIFIC PTE LTD·Filed 2014·Granted Dec 20, 2016·0 cites·7 claims
- 4150US7117053B1Multi-precision technique for digital audio encoderST MICROELECTRONICS ASIA·Filed 1998·Granted Oct 3, 2006·24 cites·24 claims
- 4249US8301282B2Fast synthesis sub-band filtering method for digital signal decodingGEORGE SAPNA·Filed 2009·Granted Oct 30, 2012·0 cites·19 claims
- 4347US8374857B2Estimating rate controlling parameters in perceptual audio encodersST MICROELECTRONICS ASIA·Filed 2007·Granted Feb 12, 2013·0 cites·23 claims
- 4447US7705912B2Method for processing a digital video signalST MICROELECTRONICS ASIA·Filed 2004·Granted Apr 27, 2010·0 cites·20 claims
- 4547US7680671B2Multi-precision technique for digital audio encoderST MICROELECTRONICS ASIA·Filed 2006·Granted Mar 16, 2010·0 cites·27 claims
- 4647US6839674B1Method and apparatus for spectral exponent reshaping in a transform coder for high quality audioST MICROELECTRONICS ASIA·Filed 1998·Granted Jan 4, 2005·13 cites·15 claims
- 4737US2013148814A1Audio acquisition systems and methodsKARTHIK MURALIDHAR·Filed 2011·Application pending·0 cites
- 4836US8126173B2System and method for expanding multi-speaker playbackWU YUAN·Filed 2006·Granted Feb 28, 2012·0 cites·20 claims
- 4934US7424502B2Non-uniform filter bank implementationST MICROELECTRONICS ASIA·Filed 2001·Granted Sep 9, 2008·0 cites·16 claims
- 5034US7337025B1Neural network based method for exponent coding in a transform coder for high quality audioST MICROELECTRONICS ASIA·Filed 1998·Granted Feb 26, 2008·6 cites·56 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →