RMX 2000 Administrator's Guide Version 7.6.1 - Polycom

Polycom RMX 1500/2000/4000 Administrator’s Guide
Table 3-3 H.264 HD System Flags
Content Settings Flag Name Range Default
Live Video H264_HD_LIVEVIDEO_MIN_CONTENT_RATE 0-1536 384
Example
Table 3-4 summarizes an example of two participants trying to connect to a conference
running at a Line Rate of 1024Kbps. The Content Setting for the conference is Hi Resolution
Graphics and the H264_HD_HIGHRES_MIN_CONTENT_RATE System Flag setting are
used to determine if Content will be shared with the participant.
Table 3-4 Participant Content Sharing Based on cOnnection Line Rate and System Flag Setting
Participant 1
Participant 2
H.264 Cascade Optimized
Participant Conference
Line Rate Bit Rate
Allocation
to
Content
Channel
(Table 3-1)
384 192
1024 384
Line Rate Bit Rate
Allocation
to
Content
Channel
(Table 3-1)
1024 384
Flag
Value
Result
The H.264 Cascade Optimized option should be selected as the Content Protocol in Cascading
conference. It maintains content quality and minimizes the amount of content refreshes that
occur in large cascading conferences when participants connect or disconnect from the
conference.
The H.264 Cascade Optimized option uses fixed resolution and frame rate for each content
Line Rate and Content Transmission Mode Settings as summarized in Table 3-5.
3-6 Polycom, Inc.
128
512
128
512
Participant and
entire conference
share content at
192Kbps
Participant
receives content
in the video
channel (Legacy)
Participant and
entire conference
share content at
384Kbps
Participant and
entire conference
share content at
384Kbps