| 8290181 |
Automatic audio gain control for concurrent capture applications |
John C. Platt, David A. Stevens |
2012-10-16 |
$18,516,000 |
| 8275120 |
Adaptive acoustic echo cancellation |
Dinei Florencio, Amit Singh Chhetri |
2012-09-25 |
$17,180,000 |
| 8244752 |
Classifying search query traffic |
Greg Buehrer, Kumar Chellapilla |
2012-08-14 |
$12,366,000 |
| 8213598 |
Harmonic distortion residual echo suppression |
Diego Ariel Bendersky, Henrique S. Malvar |
2012-07-03 |
$17,614,000 |
| 8161130 |
Bottom-up analysis of network sites |
Reid Marlow Andersen, Kumar Chellapilla |
2012-04-17 |
$18,832,000 |
| 8103011 |
Signal detection using multiple detectors |
Asif Iqbal Mohammad, John C. Platt, Arungunram C. Surendran |
2012-01-24 |
$16,228,000 |
| 8081753 |
Hybrid echo canceller controllers |
Asif Iqbal Mohammad |
2011-12-20 |
$15,735,000 |
| 8019075 |
Hybrid echo canceller controllers |
Asif Iqbal Mohammad |
2011-09-13 |
$16,414,000 |
| 8014519 |
Cross-correlation based echo canceller controllers |
Asif Iqbal Mohammad, Steven L. Grant |
2011-09-06 |
$21,845,000 |
| 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 |
$16,362,000 |
| 7925007 |
Multi-input channel and multi-output channel echo cancellation |
John C. Platt |
2011-04-12 |
$11,368,000 |
| 7831035 |
Integration of a microphone array with acoustic echo cancellation and center clipping |
Chao He, Qin Li |
2010-11-09 |
$17,265,000 |
| 7813499 |
System and process for regression-based residual acoustic echo suppression |
Amit Singh Chhetri, Arungunram C. Surendran, John C. Platt |
2010-10-12 |
$16,215,000 |
| 7773743 |
Integration of a microphone array with acoustic echo cancellation and residual echo suppression |
Chao He, Qin Li, Arungunram C. Surendran |
2010-08-10 |
$15,662,000 |
| 7769186 |
System and method facilitating acoustic echo cancellation convergence detection |
Henrique S. Malvar |
2010-08-03 |
$11,892,000 |
| 7680285 |
Adaptive estimation and compensation of clock drift in acoustic echo cancellers |
Joseph C. Ballantyne, Henrique S. Malvar |
2010-03-16 |
$17,803,000 |
| 7352858 |
Multi-channel echo cancellation with round robin regularization |
John C. Platt |
2008-04-01 |
$39,395,000 |
| 7251322 |
Systems and methods for echo cancellation with arbitrary playback sampling rates |
Henrique S. Malvar |
2007-07-31 |
$29,904,000 |
| 7155018 |
System and method facilitating acoustic echo cancellation convergence detection |
Henrique S. Malvar |
2006-12-26 |
$33,911,000 |
| 7120259 |
Adaptive estimation and compensation of clock drift in acoustic echo cancellers |
Joseph C. Ballantyne, Henrique S. Malvar |
2006-10-10 |
$38,177,000 |
| 5835895 |
Infinite impulse response filter for 3D sound with tap delay line initialization |
— |
1998-11-10 |
$217,335,000 |
