| 8923832 |
Multiplexing VoIP streams for conferencing and selective playback of audio streams |
— |
2014-12-30 |
| 8286233 |
Apparatus and method for preventing eavesdropping |
Jonathan R. Yee-Hang Choy, Paul Thomas McNamara |
2012-10-09 |
| 8107625 |
IP phone intruder security monitoring system |
Jonathan R. Yee-Hang Choy, Paul Thomas McNamara |
2012-01-31 |
| 8054954 |
One touch voice memo |
Cherian Abraham, Karen El-Azzi, Paul Thomas McNamara, Ted Saoumi |
2011-11-08 |
| 7936705 |
Multiplexing VoIP streams for conferencing and selective playback of audio streams |
— |
2011-05-03 |
| 7873074 |
Adaptive selection of bandwidth parameters to meet a service provider pricing model |
— |
2011-01-18 |
| 7171357 |
Voice-activity detection using energy ratios and periodicity |
— |
2007-01-30 |
| 7043014 |
Apparatus and method for time-alignment of two signals |
— |
2006-05-09 |
| 7027593 |
Apparatus and method for echo control |
— |
2006-04-11 |
| 6961422 |
Gain control method for acoustic echo cancellation and suppression |
— |
2005-11-01 |
| 6961718 |
Vector estimation system, method and associated encoder |
Mark Thomson, Michael Smithers, Zhenjie Wu |
2005-11-01 |
| 6937723 |
Echo detection and monitoring |
James D. Schreuder, Subramanian Sridharan, Michael William Mason, James A. Cook, Jr. |
2005-08-30 |