Issued Patents All Time
Showing 25 most recent of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9294346 | Proxy pair identification communication though separate proxy devices and paths | Stephen J. Perkins, Alan Gatherer, Krishnasamy Anandakumar, Vishu R. Viswanathan | 2016-03-22 |
| 9153228 | Wireless telephone sending speech data in second packet secondary stage | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2015-10-06 |
| 9106533 | Source and diversity rate equal to a first transmission rate | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2015-08-11 |
| 8995430 | IC processor reconstucting two consecutive lost packets from secondary information | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2015-03-31 |
| 8824460 | IC generating packets containing destination, first, and second proxy addresses | Stephen J. Perkins, Alan Gatherer, Krishnasamy Anandakumar, Vishu R. Viswanathan | 2014-09-02 |
| 8666735 | IC coding speech into primary and secondary stages of packets | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2014-03-04 |
| 8463601 | Sending speech packets with same and complementary subsets of fixed codebook pulses | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2013-06-11 |
| 8456991 | Source and diversity rate less than a first transmission rate | Vishu R. Viswanathan, Krishnasamy Anandakumar | 2013-06-04 |
| 8396058 | Media packet networking appliance sending diversity packets to second proxy | Stephen J. Perkins, Alan Gatherer, Krishnasamy Anandakumar, Vishu R. Viswanathan | 2013-03-12 |
| 8224643 | Sending packets of CELP and important information from an IC | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2012-07-17 |
| RE43191 | Adaptive Weiner filtering using line spectral frequencies | Levent M. Arslan, Vishu R. Viswanathan | 2012-02-14 |
| 8050254 | IC reconstructing lost speech packets from secondary stage partial data | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2011-11-01 |
| 8024182 | Rate/diversity adaptation sending speech in first and second packets | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2011-09-20 |
| 7961758 | Packet circuitry addressing independent and dependent information to different proxies | Stephen J. Perkins, Alan Gatherer, Krishnasamy Anandakumar, Vishu R. Viswanathan | 2011-06-14 |
| 7822021 | Systems, processes and integrated circuits for rate and/or diversity adaptation for packet communications | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2010-10-26 |
| 7778408 | Method and apparatus for acoustic echo cancellation utilizing dual filters | Takahiro Unno, Thierry Le Gall, Sebastien Guiriec | 2010-08-17 |
| 7693062 | Sending real-time and dependent information over separate network paths | Stephen J. Perkins, Alan Gatherer, Krishanasamy Anandakumar, Vishu R. Viswanathan | 2010-04-06 |
| 7653045 | Reconstruction excitation with LPC parameters and long term prediction lags | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2010-01-26 |
| 7643630 | Echo suppression with increment/decrement, quick, and time-delay counter updating | Takahiro Unno, Thierry LeGall, Sebastien Guiriec | 2010-01-05 |
| 7606164 | Process of increasing source rate on acceptable side of threshold | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2009-10-20 |
| 7577565 | Adaptive voice playout in VOP | Krishnasamy Anandakumar, Erdal Paksoy | 2009-08-18 |
| 7577248 | Method and apparatus for echo cancellation, digit filter adaptation, automatic gain control and echo suppression utilizing block least mean squares | — | 2009-08-18 |
| 7574351 | Arranging CELP information of one frame in a second packet | Krishnasamy Anandakumar, Vishu R. Viswanathan | 2009-08-11 |
| 7330814 | Wideband speech coding with modulated noise highband excitation system and method | — | 2008-02-12 |
| 7295974 | Encoding in speech compression | Jacek Piotr Stachurski | 2007-11-13 |