Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11064214 | System and methodology for video compression | Ashish Banerji | 2021-07-13 |
| 10674176 | System and methodology for video compression | Ashish Banerji | 2020-06-02 |
| 9894379 | System and methodology for video compression | Ashish Banerji | 2018-02-13 |
| 7013269 | Voicing measure for a speech CODEC system | Udaya Bhaskar | 2006-03-14 |
| 6996523 | Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system | Udaya Bhaskar | 2006-02-07 |
| 6961320 | In-band transmission of TTY/TTD signals for systems employing low bit-rate voice compression | Udaya Bhaskar | 2005-11-01 |
| 6931373 | Prototype waveform phase modeling for a frequency domain interpolative speech codec system | Udaya Bhaskar | 2005-08-16 |
| 6691092 | Voicing measure as an estimate of signal periodicity for a frequency domain interpolative speech codec system | Bangalore R. Udaya Bhaskar, Srinivas Nandkumar, Gaguk Zakaria | 2004-02-10 |
| 6493664 | Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec system | Bangalore R. Udaya Bhaskar, Srinivas Nandkumar, Gaguk Zakaria | 2002-12-10 |
| 6453289 | Method of noise reduction for speech codecs | Filiz Basbug Ertem, Srinivas Nandkumar | 2002-09-17 |
| 6418408 | Frequency domain interpolative speech codec system | Bangalore R. Udaya Bhaskar, Srinivas Nandkumar, Gaguk Zakaria | 2002-07-09 |
| 6314393 | Parallel/pipeline VLSI architecture for a low-delay CELP coder/decoder | Yue-Peng Zheng, Shvetal K. Patel | 2001-11-06 |
| 5966688 | Speech mode based multi-stage vector quantizer | Srinivas Nandkumar | 1999-10-12 |
| 5781540 | Device and method for communicating in a mobile satellite system | James Eryx Malcolm, Daniel Fraley, Adrian Morris, David Roos, Seok Ho Kim +1 more | 1998-07-14 |
| 5758256 | Method of transporting speech information in a wireless cellular system | Kirk H. Berry, Debabrata Chowdhury, Shrirang Jangi | 1998-05-26 |
| 5751903 | Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset | Murthy Vemuganti | 1998-05-12 |
| 5734789 | Voiced, unvoiced or noise modes in a CELP vocoder | Kalyan Ganesan, Prabhat K. Gupta | 1998-03-31 |
| 5704000 | Robust pitch estimation method and device for telephone speech | Murthy Vemuganti | 1997-12-30 |
| 5666370 | High performance error control coding in channel encoders and decoders | Kalyan Ganesan, Prabhat K. Gupta, P. Vijay Kumar | 1997-09-09 |
| 5651026 | Robust vector quantization of line spectral frequencies | Daniel Lin | 1997-07-22 |
| 5630016 | Comfort noise generation for digital communication systems | Brian M. McCarthy | 1997-05-13 |
| 5596676 | Mode-specific method and apparatus for encoding signals containing speech | Kalyan Ganesan, Prabhat K. Gupta | 1997-01-21 |
| 5537509 | Comfort noise generation for digital communication systems | Brian M. McCarthy | 1996-07-16 |
| 5495555 | High quality low bit rate celp-based speech codec | — | 1996-02-27 |
| 5195137 | Method of and apparatus for generating auxiliary information for expediting sparse codebook search | — | 1993-03-16 |