Chapter 3-Video Protocols and Resolution Configuration for CP Conferencing
Polycom, Inc.
3-3
—
With
Video Preview
•
HD1080p 60 is supported:
—
In
Continuous Presence
(
CP
) mode:
•
In both Video Quality modes (Motion or Sharpness)
•
With line rates between 2Mbps and up to 4 Mbps (the maximum line rate
available for CP conferences)
•
With symmetrical video resolutions and frame rates; receives and send video
at HD1080p60.
•
In
Video Switching
(
VSW
) mode:
•
At bit rates of up to 6Mbps.
•
HD1080p60
is supported symmetrically: The RMX receives and sends
HD1080p60
.
•
In
Telepresence
environments the RMX receives HD720p60 and sends
HD1080p60
to all
endpoints except for those with
1x1 Video Layouts
, which receive the same resolution
and frame rate from the RMX as they send. TIP endpoints are not supported
•
PAL endpoints are supported at a frame rate of 50 fps.
•
Each
HD1080p60
participant consumes 3 HD video resources.
(For comparison: Each
HD720p60
participant consumes 2 HD video resources.)
•
HD1080p60
is not supported:
—
For
ISDN
participants.
—
With
Content
sharing.
—
With
RTV.
CP Conferencing with H.263 4CIF
The video resolution of 4CIF in H.263 endpoints is only supported for conferences in which
the video quality is set to sharpness and for line rates of 384 Kbps to 1920 Kbps as shown in
the following table.
The RMX Web Client supports monitoring of H.263 4CIF information. The H.245 or SDP tab
includes the additional information.
The creation of a new H.263 4CIF slide is supported in the IVR Service in addition to the
current H.263 IVR slide. If users utilize the default Polycom slides that are delivered with
the Collaboration Server, the slide’s resolution will be as defined in the profile, i.e. SD, HD,
CIF, etc.
Table 3-1
Video Quality vs. Line Rate
Endpoint
Line Rate Kbps
Video Quality
Motion
Sharpness
Resolution
Frame Rate
Resolution
Frame Rate
128
QCIF
30
CIF
30
256
CIF
30
CIF
30
384 - 1920+
CIF
30
4CIF
15
Содержание RealPresence 2000
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