Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9537460 | Apparatus and method for automatic gain control | Suat Yeldener, Andrew Kirby | 2017-01-03 |
| 9462377 | Systems and methods for optimizing an audio communication system | Jonathan Lasch, Edward Srenger | 2016-10-04 |
| 8794852 | Hybrid fiber optic pigtail assembly | Gabriela Medellin Ramos Clamont, William Julius McPhil Giraud | 2014-08-05 |
| 8712769 | Apparatus and method for noise removal by spectral smoothing | Jianming Song | 2014-04-29 |
| 8655418 | Method and apparatus for a frequency domain echo suppression filter | — | 2014-02-18 |
| 8600040 | Apparatus and method for convergence control | Suat Yeldener | 2013-12-03 |
| 8041054 | Systems and methods for selectively switching between multiple microphones | Suat Yeldener | 2011-10-18 |
| 7734466 | Reduced complexity recursive least square lattice structure adaptive filter by means of limited recursion of the backward and forward error prediction squares | Kyle K. Iwai, James B. Piket | 2010-06-08 |
| 7702711 | Reduced complexity recursive least square lattice structure adaptive filter by means of estimating the backward and forward error prediction squares using binomial expansion | James B. Piket, Daniel S. Rokusek | 2010-04-20 |
| 7243065 | Low-complexity comfort noise generator | James A. Stephens, Sean S. You | 2007-07-10 |
| 7142665 | Automatic gain control for an adaptive finite impulse response and method therefore | William Chunhung Yip, Sean S. You | 2006-11-28 |
| 7065207 | Controlling attenuation during echo suppression | William Chunhung Yip, Sean S. You | 2006-06-20 |
| 6928409 | Speech recognition using polynomial expansion and hidden markov models | William Chunhung Yip | 2005-08-09 |
| 6658112 | Voice decoder and method for detecting channel errors using spectral energy evolution | William Chunhung Yip, Paul Kennedy | 2003-12-02 |
| 5357567 | Method and apparatus for volume switched gain control | James A. Stephens, William Chunhung Yip | 1994-10-18 |
| 5265190 | CELP vocoder with efficient adaptive codebook search | William Chunhung Yip | 1993-11-23 |
| 5221885 | Low-power dual voltage drive circuit and method | Eduardo M. Molieri, Susan D. Stephens, Andrew W. Hardell | 1993-06-22 |
| 5187745 | Efficient codebook search for CELP vocoders | William Chunhung Yip | 1993-02-16 |
| 5179594 | Efficient calculation of autocorrelation coefficients for CELP vocoder adaptive codebook | William Chunhung Yip | 1993-01-12 |
| 5173941 | Reduced codebook search arrangement for CELP vocoders | William Chunhung Yip | 1992-12-22 |