A Glossary of terms associated with video conferencing.
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H.323: The umbrella for a set of standards defining real time multimedia communications for packet based networks otherwise known as IP telephony. H.323 is comprised of the following standards: H.225, H.245, G.711, G.722, G.723.1, G.728, G.729. |
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codec: A device or software that enables compression and/or decompression for digital video and audio |
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bandwidth: Capacity of a network or network segment to receive and transmit video, audio, and data |
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Certified Videoconferencing Engineer: An industry certification designed to enable support engineers to provide the best level of service |
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content: Any data such as presentations, spreadsheets, and schematics that can be displayed and presented to far side endpoints, or received and view on the near side |
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continuous presence video: A feature in multi-point conferencing that allows the video endpoint to see images from multiple video endpoints at the same time. All parties remain continuously visible or 'present' for the duration of the call and the user can have control over the screen layout. In comparison, Voice Activated Switching only allows the user to see the current speaker on full screen while the rest of the participants remains hidden. Continuous Presence is better suited for tam collaboration since it allows participants to see the reactions (body language) of all participants, not just the speaker. |
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desktop video client: A software application used to communicate over video with telepresence and video conference systems. One example is the Polycom CMA Desktop, which enables a person on a PC to communicate clearly and with great clarity to other video clients such as desktops, conference rooms, and immersive telepresence suites. |
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Videoconferencing: Communication across long distances with video and audio contact that may also include graphics and data exchange. |
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Video bridge: Computerized switching system which allows multipoint videoconferencing. May also be referred to as an MCU
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MCU: Computerized switching system which allows multipoint videoconferencing. May also be referred to as a video bridge. |
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