Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975666 | Interference suppression in CDMA systems | Sofiène Affes, Henrik Enggaard Hansen | 2005-12-13 |
| 6345255 | Apparatus and method for coding speech signals by making use of an adaptive codebook | — | 2002-02-05 |
| 6249758 | Apparatus and method for coding speech signals by making use of voice/unvoiced characteristics of the speech signals | — | 2001-06-19 |
| 6052659 | Nonlinear filter for noise suppression in linear prediction speech processing devices | — | 2000-04-18 |
| 5995923 | Method and apparatus for improving the voice quality of tandemed vocoders | Rafi Rabipour, William Navarro, Paul Coverdale | 1999-11-30 |
| 5913187 | Nonlinear filter for noise suppression in linear prediction speech processing devices | — | 1999-06-15 |
| 5828662 | Medium access control scheme for data transmission on code division multiple access (CDMA) wireless systems | Ahmad Jalali, Witold A. Krzymien | 1998-10-27 |
| 5526464 | Reducing search complexity for code-excited linear prediction (CELP) coding | — | 1996-06-11 |
| 5455888 | Speech bandwidth extension method and apparatus | Vasu Iyengar, Rafi Rabipour, Brian R. Shelton | 1995-10-03 |
| 4956865 | Speech recognition | Matthew Lennig, Vishwa Gupta | 1990-09-11 |
| 4853958 | LPC-based DTMF receiver for secondary signalling | Rafi Rabipour, Michael G. Beyrouti | 1989-08-01 |