Inventor · disambiguated record
Kumar Swaminathan
Also filed as: SWAMINATHAN KUMAR
26 granted patents·4 pending applications·2,777 citations·filing 1988–2021
98Inventor score
Files withHUGHES ELECTRONICS CORP11HUGHES AIRCRAFT CO10DIRECTV GROUP INC3AT & T BELL LAB2BANERJI ASHISH1
Top patents by PatentIndex Score
30 records- 0198US5596676AMode-specific method and apparatus for encoding signals containing speechHUGHES AIRCRAFT CO·Filed 1995·Granted Jan 21, 1997·439 cites·24 claims
- 0293US6931373B1Prototype waveform phase modeling for a frequency domain interpolative speech codec systemHUGHES ELECTRONICS CORP·Filed 2002·Granted Aug 16, 2005·119 cites·21 claims
- 0393US6418408B1Frequency domain interpolative speech codec systemHUGHES ELECTRONICS CORP·Filed 2000·Granted Jul 9, 2002·138 cites·13 claims
- 0493US5781540ADevice and method for communicating in a mobile satellite systemHUGHES AIRCRAFT CO·Filed 1995·Granted Jul 14, 1998·180 cites·21 claims
- 0592US6691092B1Voicing measure as an estimate of signal periodicity for a frequency domain interpolative speech codec systemHUGHES ELECTRONICS CORP·Filed 2000·Granted Feb 10, 2004·131 cites·12 claims
- 0691US6996523B1Prototype waveform magnitude quantization for a frequency domain interpolative speech codec systemHUGHES ELECTRONICS CORP·Filed 2002·Granted Feb 7, 2006·91 cites·8 claims
- 0791US6493664B1Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec systemHUGHES ELECTRONICS CORP·Filed 2000·Granted Dec 10, 2002·97 cites·19 claims
- 0890US7013269B1Voicing measure for a speech CODEC systemHUGHES ELECTRONICS CORP·Filed 2002·Granted Mar 14, 2006·84 cites·10 claims
- 0989US6453289B1Method of noise reduction for speech codecsHUGHES ELECTRONICS CORP·Filed 1999·Granted Sep 17, 2002·204 cites·41 claims
- 1089US5966688ASpeech mode based multi-stage vector quantizerHUGHES ELECTRONICS CORP·Filed 1997·Granted Oct 12, 1999·177 cites·39 claims
- 1189US5734789AVoiced, unvoiced or noise modes in a CELP vocoderHUGHES AIRCRAFT CO·Filed 1994·Granted Mar 31, 1998·159 cites·24 claims
- 1289US5666370AHigh performance error control coding in channel encoders and decodersHUGHES AIRCRAFT CO·Filed 1996·Granted Sep 9, 1997·79 cites·12 claims
- 1389US5495555AHigh quality low bit rate celp-based speech codecHUGHES AIRCRAFT CO·Filed 1992·Granted Feb 27, 1996·183 cites·17 claims
- 1488US5195137AMethod of and apparatus for generating auxiliary information for expediting sparse codebook searchAT & T BELL LAB·Filed 1991·Granted Mar 16, 1993·67 cites·13 claims
- 1587US4956871AImproving sub-band coding of speech at low bit rates by adding residual speech energy signals to sub-bandsAT & T BELL LAB·Filed 1988·Granted Sep 11, 1990·84 cites·22 claims
- 1686US5751903ALow rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offsetHUGHES AIRCRAFT CO·Filed 1994·Granted May 12, 1998·183 cites·28 claims
- 1779US11064214B2System and methodology for video compressionDIRECTV GROUP INC·Filed 2020·Granted Jul 13, 2021·1 cites·20 claims
- 1874US5758256AMethod of transporting speech information in a wireless cellular systemHUGHES ELECTRONICS CORP·Filed 1995·Granted May 26, 1998·89 cites·19 claims
- 1972US6961320B1In-band transmission of TTY/TTD signals for systems employing low bit-rate voice compressionHUGHES ELECTRONICS CORP·Filed 2000·Granted Nov 1, 2005·13 cites·32 claims
- 2072US5537509AComfort noise generation for digital communication systemsHUGHES AIRCRAFT CO·Filed 1992·Granted Jul 16, 1996·92 cites·7 claims
- 2171US5630016AComfort noise generation for digital communication systemsHUGHES AIRCRAFT CO·Filed 1996·Granted May 13, 1997·69 cites·3 claims
- 2262US2021297690A1System and methodology for video compressionDIRECTV GROUP INC·Filed 2021·Application pending·0 cites
- 2360US9894379B2System and methodology for video compressionBANERJI ASHISH·Filed 2002·Granted Feb 13, 2018·5 cites·21 claims
- 2458US10674176B2System and methodology for video compressionDIRECTV GROUP INC·Filed 2018·Granted Jun 2, 2020·0 cites·20 claims
- 2556US6314393B1Parallel/pipeline VLSI architecture for a low-delay CELP coder/decoderHUGHES ELECTRONICS CORP·Filed 1999·Granted Nov 6, 2001·39 cites·16 claims
- 2648US5704000ARobust pitch estimation method and device for telephone speechHUGHES AIRCRAFT CO·Filed 1994·Granted Dec 30, 1997·24 cites·15 claims
- 2745US2004002856A1Multi-rate frequency domain interpolative speech CODEC systemFiled 2003·Application pending·0 cites
- 2844US2005008240A1Stitching of video for continuous presence multipoint video conferencingFiled 2004·Application pending·0 cites
- 2941US5651026ARobust vector quantization of line spectral frequenciesHUGHES AIRCRAFT CO·Filed 1995·Granted Jul 22, 1997·30 cites·46 claims
- 3040US2002041678A1Method and apparatus for integrated echo cancellation and noise reduction for fixed subscriber terminalsFiled 2001·Application pending·0 cites
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