Abstract: For online audio/video conferencing applications deployed in an open office environment, using shared conference devices, it can be advantageous to define an acoustic fence. A non-participant audio received from outside the acoustic fence can be considered noise and filtered out before transmission of an audio signal to a far end recipient. Three suppression stages are used to filter the non-participant audio. The first suppression stage uses beamformers for suppression. The second suppression stage is mask-based, and the third suppression stage is reference-based. The three suppression stages filter out non-participant audio signals, having a wide range of frequencies.

Abstract: When communication from a first virtual device to a second virtual device is received, it is determined a first virtual interface associated with the first virtual device and a second virtual interface associated with the second virtual device. It is then determined a first security domain associated with the first virtual interface and a second security domain associated with the second virtual interface to implement a security policy between the first security domain and second security domain. The communication between the virtual devices is allowed or blocked.

Abstract: When communication from a first virtual device to a second virtual device is received, it is determined a first virtual interface associated with the first virtual device and a second virtual interface associated with the second virtual device. It is then determined a first security domain associated with the first virtual interface and a second security domain associated with the second virtual interface to implement a security policy between the first security domain and second security domain. The communication between the virtual devices is allowed or blocked.