Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8787561 | Techniques for implementing adaptation control of an echo canceller to facilitate detection of in-band signals | Wen Wu Su, Hongyang Deng | 2014-07-22 |
| 8693677 | Techniques for updating filter coefficients of an adaptive filter | Hongyang Deng, Wen Wu Su | 2014-04-08 |
| 8666058 | Time domain adaptive filter bank for network echo reduction or cancellation | Hongyang Deng | 2014-03-04 |
| 8300802 | Adaptive filter for use in echo reduction | Hongyang Deng, Perry P. He | 2012-10-30 |
| 8295474 | Echo canceller with heavy double-talk estimation | Hongyang Deng, Brad L. Zwernemann | 2012-10-23 |
| 8290141 | Techniques for comfort noise generation in a communication system | Perry P. He, Brad L. Zwernemann | 2012-10-16 |
| 8139760 | Estimating delay of an echo path in a communication system | Perry P. He | 2012-03-20 |
| 7639671 | Allocating processing resources for multiple instances of a software component | Brad L. Zwernemann, Perry P. He, Lucio F. C. Pessoa | 2009-12-29 |
| 7599432 | Method and apparatus for dynamically inserting gain in an adaptive filter system | Lucio F. C. Pessoa, Perry P. He, Ahsan Aziz | 2009-10-06 |
| 7555075 | Adjustable noise suppression system | Lucio F. C. Pessoa, David Melles | 2009-06-30 |
| 7388954 | Method and apparatus for tone indication | Lucio F. C. Pessoa, Perry P. He | 2008-06-17 |
| 7242762 | Monitoring and control of an adaptive filter in a communication system | Perry P. He, Roger Smith, Lucio F. C. Pessoa | 2007-07-10 |
| 7215765 | Method and apparatus for pure delay estimation in a communication system | Perry P. He, Lucio F. C. Pessoa | 2007-05-08 |
| 7016488 | Method and apparatus for non-linear processing of an audio signal | Perry P. He, Roger Smith, Lucio F. C. Pessoa | 2006-03-21 |
| 6961423 | Method and apparatus for performing adaptive filtering | Lucio F. C. Pessoa, Perry P. He | 2005-11-01 |
| 6119139 | Virtual windowing for fixed-point digital signal processors | — | 2000-09-12 |