Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9609141 | Loudspeaker localization with a microphone array | — | 2017-03-28 |
| 9491306 | Signal processing control in an audio device | Taro Umezawa | 2016-11-08 |
| 9491561 | Acoustic echo cancellation with internal upmixing | Wilf LeBlanc | 2016-11-08 |
| 9357080 | Spatial quiescence protection for multi-channel acoustic echo cancellation | Aleksander Radisavljevic, Wilfrid LeBlanc | 2016-05-31 |
| 9215328 | Beamforming apparatus and method based on long-term properties of sources of undesired noise affecting voice quality | Wilfrid LeBlanc | 2015-12-15 |
| 8842851 | Audio source localization system and method | — | 2014-09-23 |
| 8644517 | System and method for automatic disabling and enabling of an acoustic beamformer | — | 2014-02-04 |
| 8582754 | Method and system for echo cancellation in presence of streamed audio | Wilfrid LeBlanc, Aleksander Radisavljevic | 2013-11-12 |
| 8265263 | Delayed adaptation structure for improved double-talk immunity in echo cancellation devices | — | 2012-09-11 |
| 8233352 | Audio source localization system and method | — | 2012-07-31 |
| 8213596 | Method of accelerating the training of an acoustic echo canceller in a full-duplex beamforming-based audio conferencing system | Michael Tetelbaum | 2012-07-03 |
| 8184180 | Spatially synchronized audio and video capture | — | 2012-05-22 |
| 7991146 | Anti-howling structure | — | 2011-08-02 |
| 7970123 | Adaptive coupling equalization in beamforming-based communication systems | — | 2011-06-28 |
| 7831036 | Method to reduce training time of an acoustic echo canceller in a full-duplex beamforming-based audio conferencing system | Michael Tetelbaum | 2010-11-09 |
| 7724891 | Method to reduce acoustic coupling in audio conferencing systems | Michael Tetelbaum | 2010-05-25 |
| 7630502 | Method for optimal microphone array design under uniform acoustic coupling constraints | Michael Tetelbaum | 2009-12-08 |
| 7221755 | Method of capturing constant echo path information in a full duplex speakerphone | Michael Tetelbaum | 2007-05-22 |
| 7130797 | Robust talker localization in reverberant environment | Michael Tetelbaum | 2006-10-31 |
| 7085715 | Method and apparatus of controlling noise level calculations in a conferencing system | Michael Tetelbaum | 2006-08-01 |
| 6999378 | Parallel GCS structure for adaptive beamforming under equalization constraints | — | 2006-02-14 |
| 6990193 | Method of acoustic echo cancellation in full-duplex hands free audio conferencing with spatial directivity | Michael Tetelbaum | 2006-01-24 |
| 6711537 | Comfort noise generation for open discontinuous transmission systems | — | 2004-03-23 |
| 6643617 | Method to generate telephone comfort noise during silence in a packetized voice communication system | Robert G. Wood | 2003-11-04 |
| 6535844 | Method of detecting silence in a packetized voice stream | Robert G. Wood | 2003-03-18 |