Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12395792 | Concentric circular microphone arrays with 3D steerable beamformers | Jingdong Chen, Xueqin Luo, Xudong Zhao, Gongping Huang, Jilu Jin | 2025-08-19 |
| 11546691 | Binaural beamforming microphone array | Jingdong Chen, Yuzhu Wang, Jilu Jin, Gongping Huang | 2023-01-03 |
| 11159879 | Flexible geographically-distributed differential microphone array and associated beamformer | Jingdong Chen, Gongping Huang | 2021-10-26 |
| 9930448 | Concentric circular differential microphone arrays and associated beamforming | Jingdong Chen, Gongping Huang | 2018-03-27 |
| 9749745 | Low noise differential microphone arrays | Jingdong Chen | 2017-08-29 |
| 9560463 | Multistage minimum variance distortionless response beamformer | Jingdong Chen, Chao Pan | 2017-01-31 |
| 9237391 | Low noise differential microphone arrays | Jingdong Chen | 2016-01-12 |
| 8583429 | System and method for single-channel speech noise reduction | Yiteng Huang | 2013-11-12 |
| 7693291 | Multi-channel frequency-domain adaptive filter method and apparatus | Dennis R. Morgan | 2010-04-06 |
| 7310425 | Multi-channel frequency-domain adaptive filter method and apparatus | Dennis R. Morgan | 2007-12-18 |
| 7136437 | Method and apparatus for receiving digital wireless transmissions using multiple-antenna communication schemes | Jingdong Chen, Yiteng Huang | 2006-11-14 |
| 7072465 | Adaptive filter for network echo cancellation | Tomas F. Gaensler, Steven Leslie Gay, Man M. Sondhi | 2006-07-04 |
| 7051246 | Method for estimating clock skew within a communications network | — | 2006-05-23 |
| 6826284 | Method and apparatus for passive acoustic source localization for video camera steering applications | Gary W. Elko, Yiteng Huang | 2004-11-30 |
| 6766019 | Method and apparatus for performing double-talk detection in acoustic echo cancellation | Tomas F. Gaensler | 2004-07-20 |
| 6751314 | Dynamic allocation of resources for echo cancellation | Tomas F. Gaensler, Steven Leslie Gay, Man M. Sondhi | 2004-06-15 |
| 6744886 | Adaptive filter utilizing proportional affine projection algorithm | Tomas F. Gaensler, Steven Leslie Gay, Man M. Sondhi | 2004-06-01 |
| 6694020 | Frequency domain stereophonic acoustic echo canceller utilizing non-linear transformations | — | 2004-02-17 |
| 6611594 | Robust signed regressor PNLMS method and apparatus for network echo cancellation | Thomas Fritz Gaensler | 2003-08-26 |
| 6526141 | Method and apparatus for network echo cancellation using a proportionate normalized least mean squares algorithm | Steven Leslie Gay | 2003-02-25 |
| 6377682 | Robust adaptive filter for use in acoustic and network echo cancellation | Tomas F. Gaensler | 2002-04-23 |
| 5828756 | Stereophonic acoustic echo cancellation using non-linear transformations | Joseph L. Hall, Dennis R. Morgan, Man M. Sondhi | 1998-10-27 |