Glossary

See Forward Error Correction.

Far End Camera Control is the means by which a user in a video conference call can gain control of a PTZ camera on a remote location which is also participating in the conference call.Far End Camera Control specifications usually offer the following set of capabilities:Ability to select between different ...

Field of view usually refers to the horizontal field of view of the camera on a video conferencing system. Field of view is the viewing angle the camera will provide - the larger the viewing angle the more you will see from the room/location you are capturing with the camera. ...

Flow control is a mechanism used in a video call to change the bandwidth being sent by a sender from the receiver side. All protocols supporting video calling, such as H.323 or SIP, have a control channel. For example, H.245 in H.323. This protocol defines various capabilities, flow control among ...

Forward Error Correction (FEC) is a type of correction code, which allows the receiver to compensate for loss packets without requiring any information to be sent in real-time by the sender.According to the FEC mechanism, the sender of the media stream sends redundant data as part of the stream. This ...

FPS stands for Frames Per Second. It indicates the rate of frames used in one second of video stream. The most common frame rate today for video communiation is 30 fps.

A term defining the size of the basic element of video content – the frame.Frame resolution describes the number of pixels on the horizontal and vertical axis of a video frame.There are several predefined popular acronyms for frame resolutions: CIF – 352×288, 4CIF – 704×576, D1 – 720×480 (NTSC) or ...