Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691092 | Voicing measure as an estimate of signal periodicity for a frequency domain interpolative speech codec system | Bangalore R. Udaya Bhaskar, Kumar Swaminathan, Gaguk Zakaria | 2004-02-10 |
| 6493664 | Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec system | Bangalore R. Udaya Bhaskar, Kumar Swaminathan, Gaguk Zakaria | 2002-12-10 |
| 6453289 | Method of noise reduction for speech codecs | Filiz Basbug Ertem, Kumar Swaminathan | 2002-09-17 |
| 6418408 | Frequency domain interpolative speech codec system | Bangalore R. Udaya Bhaskar, Kumar Swaminathan, Gaguk Zakaria | 2002-07-09 |
| 5966688 | Speech mode based multi-stage vector quantizer | Kumar Swaminathan | 1999-10-12 |
| 5668925 | Low data rate speech encoder with mixed excitation | Joseph Harvey Rothweiler, John Charles Carmody | 1997-09-16 |
| 5649051 | Constant data rate speech encoder for limited bandwidth path | Joseph Harvey Rothweiler, John Charles Carmody | 1997-07-15 |