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Chapter 2-Conference Profiles
Polycom, Inc. 2-3
For conferences with more participants than display squares, the RMX dynamic video mix
capability allows the viewed sites to be modified throughout the conference. The displayed
layout can be changed during an ongoing conference, allowing a participant to view
different screen layouts of the other conference participants. These layout options allow
conferences to have greater flexibility when displaying a large number of participants and
maximizes the screen’s effectiveness.
Figure 2-1 AVC Continuous Presence (CP) video streams and built layouts
Video quality in Continuous Presence conferences is affected by the conference line rate
(that determines the maximum line rate to be used by the connecting endpoints), and the
video capabilities of the endpoints such as the video protocol, video resolution and frame
rate. Content sharing is available in all CP conferences.
This requires extensive processing of the video sent to each participant in the conference.
The higher the video rate and resolution, the more processing power is required.
By default every conference, Entry Queue and Meeting Room has the ability to declare the
maximum CP resolution as defined for the system. This includes conferences launched by
the RMX Web Client and conferences started via the API.
CP conferencing is defined in the Conference profile by settings the following main features:
• Setting the Conferencing Mode to AVC only
• Conference Line Rate
• Video Quality – Motion or Sharpness
•Video Layout