Inventor
Sapna George
Inventor
Singapore, SG
Overview
Patents· 54 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Lprimary
G10LSpeech analysis techniques or speech synthesis44%
H04SStereophonic systems16%
H03GControl of amplification7%
H04BTransmission7%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%
H03HImpedance networks, e.g. resonant circuits4%
G06FElectric digital data processing3%
G10HElectrophonic musical instruments3%
H04HBroadcast communication3%
G10KSound-producing devices1%
PatentTitleYear
10,943,691Cost of healthcare analytics platform20219,647,624'Adaptive loudness levelling method for digital audio signals in frequency domain'20179,633,652'Methods, systems, and circuits for speaker dependent voice recognition with a single lexicon'20179,530,417'Methods, systems, and circuits for text independent speaker recognition with automatic learning features'20169,525,934'Steering vector estimation for minimum variance distortionless response (MVDR) beamforming circuits, systems, and methods'20169,466,304'Method and system for digital watermarking'20169,241,228'Adaptive self-calibration of small microphone array by soundfield approximation and frequency domain magnitude equalization'20169,020,152'Enabling 3D sound reproduction using a 2D speaker arrangement'20158,903,730'Content feature-preserving and complexity-scalable system and method to modify time scaling of digital audio signals'20148,874,175'Converting samples of a signal at a sample rate into samples of another signal at another sample rate'20148,873,762'System and method for efficient sound production using directional enhancement'20148,670,570'Environmental effects generator for digital audio signals'20148,489,391'Scalable hybrid auto coder for transient detection in advanced audio coding with spectral band replication'20138,437,480'Adaptive loudness levelling for digital audio signals'20138,374,857'Estimating rate controlling parameters in perceptual audio encoders'20138,351,614'Digital reverberations for audio signals'20138,332,229'Low complexity MPEG encoding for surround sound recordings'20128,331,570'Method and system for enhancing bass effect in audio signals'20128,332,216'System and method for low power stereo perceptual audio coding using adaptive masking threshold'20128,301,282'Fast synthesis sub-band filtering method for digital signal decoding'20128,284,956'Method and system for enhancing bass effect in audio signals'20128,275,611'Adaptive noise suppression for digital speech signals'20128,200,351'Low power downmix energy equalization in parametric stereo encoders'20128,165,128'Method and system for lost packet concealment in high quality audio streaming applications'20128,150,683'Apparatus, method, and computer program for comparing audio signals'20128,126,173'System and method for expanding multi-speaker playback'20128,054,980'Apparatus and method for rendering audio information to virtualize speakers in an audio system'20117,961,888'Method and system for enhancing bass effect in audio signals'20117,873,510'Adaptive rate control algorithm for low complexity AAC encoding'20117,873,515'System and method for error reconstruction of streaming audio information'20117,725,323'Device and process for encoding audio data'20107,705,912'Method for processing a digital video signal'20107,680,671'Multi-precision technique for digital audio encoder'20107,660,718'Pitch detection of speech signals'20107,653,537'Method and system for detecting voice activity based on cross-correlation'20107,626,110'Energy-based audio pattern recognition'20097,563,971'Energy-based audio pattern recognition with weighting of energy matches'20097,424,502'Non-uniform filter bank implementation'20087,369,989'Unified filter bank for audio coding'20087,363,216'Method and system for parametric characterization of transient audio signals'20087,359,521'Aliasing cancellation in audio effects algorithms'20087,337,025'Neural network based method for exponent coding in a transform coder for high quality audio'20087,203,717'Fast modified discrete cosine transform method'20077,177,812'Universal sampling rate converter for digital audio frequencies'20077,117,053'Multi-precision technique for digital audio encoder'20067,096,240'Channel coupling for an AC-3 encoder'20067,003,449'Method of encoding an audio signal using a quality value for bit allocation'20066,952,677'Fast frame optimization in an audio encoder'20056,931,291'Method and apparatus for frequency-domain downmixing with block-switch forcing for audio decoding functions'20056,839,674'Method and apparatus for spectral exponent reshaping in a transform coder for high quality audio'20056,775,587'Method of encoding frequency coefficients in an AC-3 encoder'20046,591,241'Selecting a coupling scheme for each subband for estimation of coupling parameters in a transform coder for high quality audio'20036,574,602'Dual channel phase flag determination for coupling bands in a transform coder for high quality audio'20036,356,870'Method and apparatus for decoding multi-channel audio data'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2016Patents assigned to ST MICROELECTRONICS ASIA (47)· patent assignee history
2002–2017Based in Singapore, SG· patent location history
2012–2016Patents assigned to GEORGE SAPNA (19)· patent assignee history
2012–2014Patents assigned to WU YUAN (5)· patent assignee history
2012–2013Patents assigned to KURNIAWATI EVELYN (4)· patent assignee history
2016–2017Patents assigned to ST MICROELECTRONICS ASIA PACIFIC PTE LTD (5)· patent assignee history
2021Based in Aurora, CO, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ST MICROELECTRONICS ASIA | 47 | 2002–2016 |
| GEORGE SAPNAself | 19 | 2012–2016 |
| ST MICROELECTRONICS ASIA PACIFIC PTE LTD | 5 | 2016–2017 |
| WU YUAN | 5 | 2012–2014 |
| KURNIAWATI EVELYN | 4 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Singapore, SG | 53 | 2002–2017 |
| Aurora, CO, US | 1 | 2021 |