Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8275120 | Adaptive acoustic echo cancellation | Dinei Florencio, Amit Singh Chhetri | 2012-09-25 |
| 8244752 | Classifying search query traffic | Greg Buehrer, Kumar Chellapilla | 2012-08-14 |
| 8213598 | Harmonic distortion residual echo suppression | Diego Ariel Bendersky, Henrique S. Malvar | 2012-07-03 |
| 8161130 | Bottom-up analysis of network sites | Reid Marlow Andersen, Kumar Chellapilla | 2012-04-17 |
| 8103011 | Signal detection using multiple detectors | Asif Iqbal Mohammad, John C. Platt, Arungunram C. Surendran | 2012-01-24 |
| 8081753 | Hybrid echo canceller controllers | Asif Iqbal Mohammad | 2011-12-20 |
| 8019075 | Hybrid echo canceller controllers | Asif Iqbal Mohammad | 2011-09-13 |
| 8014519 | Cross-correlation based echo canceller controllers | Asif Iqbal Mohammad, Steven L. Grant | 2011-09-06 |
| 7941382 | Method of classifying and active learning that ranks entries based on multiple scores, presents entries to human analysts, and detects and/or prevents malicious behavior | John C. Platt, Michael Shilman, Joseph L. Kravis | 2011-05-10 |
| 7925007 | Multi-input channel and multi-output channel echo cancellation | John C. Platt | 2011-04-12 |
| 7831035 | Integration of a microphone array with acoustic echo cancellation and center clipping | Chao He, Qin Li | 2010-11-09 |
| 7813499 | System and process for regression-based residual acoustic echo suppression | Amit Singh Chhetri, Arungunram C. Surendran, John C. Platt | 2010-10-12 |
| 7773743 | Integration of a microphone array with acoustic echo cancellation and residual echo suppression | Chao He, Qin Li, Arungunram C. Surendran | 2010-08-10 |
| 7769186 | System and method facilitating acoustic echo cancellation convergence detection | Henrique S. Malvar | 2010-08-03 |
| 7680285 | Adaptive estimation and compensation of clock drift in acoustic echo cancellers | Joseph C. Ballantyne, Henrique S. Malvar | 2010-03-16 |
| 7352858 | Multi-channel echo cancellation with round robin regularization | John C. Platt | 2008-04-01 |
| 7251322 | Systems and methods for echo cancellation with arbitrary playback sampling rates | Henrique S. Malvar | 2007-07-31 |
| 7155018 | System and method facilitating acoustic echo cancellation convergence detection | Henrique S. Malvar | 2006-12-26 |
| 7120259 | Adaptive estimation and compensation of clock drift in acoustic echo cancellers | Joseph C. Ballantyne, Henrique S. Malvar | 2006-10-10 |
| 5835895 | Infinite impulse response filter for 3D sound with tap delay line initialization | — | 1998-11-10 |