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D 13373.08
NOVEMBER 2007
MPS
Table of
Contents
TANDBERG MPS
ADMINISTRATOR GUIDE
Automatic Continuous Presence (CP) Layout Switching
When Conference Layout is set to Auto the following table de-
scribes the picture sent from the TANDBERG MPS.
The TANDBERG MPS allows for changing between any of these
modes during the conference.
TANDBERG Best Impression
TF
TANDBERG’s Best Impression
TF
feature consists of 3 parts:
Automatic Continuous Presence •
(CP) layout switching
Automatic Continuous Presence •
(CP) resolution switching
Enhanced video transcoding•
Features
Video Features (1:2)
Layout Switching
No of video sites in conference Picture Mode used
1 or 2 Full Screen
3 -> 6 5 + 1 split
> 6 7 + 1 split
Automatic Continuous Presence (CP) Resolution Switching
Voice Switched Mode
In Voice Switched mode or when someone has the floor the TAND-
BERG MPS will send the same format as the one received if all
sites are capable of receiving it.
If one of the sites cannot receive the preferred video format (or if a
site asks for a video format not supported by the MCU), the MCU
will fallback according to the following table:
Voice Switched Mode
Preferred Video Format Fallback Video Format
XGA SVGA
SVGA VGA
VGA 4CIF
4SIF 4CIF
4CIF H.263 CIF
H.264 SIF H.264 CIF
H.264 CIF H.263 CIF
H.263 SIF H.263 CIF
H.263 CIF H.261 CIF
H.261 CIF H.263 QCIF
H.263 QCIF H.261 QCIF
Automatic Continuous Presence (CP) Resolution Switching
Continuous Presence Mode (CP)
In Continuous Presence mode the TANDBERG MPS administrator may set the conference up
for Motion, Sharpness or Auto:
Continuous Presence Mode
Video Format
Modes
CP Mode Meeting Rate MCU will transmit the highest possible
common video format according to:
MOTION Any Any H.263 w288p -> H.264 CIF -> H.263 CIF ->
H.261 CIF -> H.263 QCIF -> H.261 QCIF
SHARPNESS Any Any H.263 w576p -> H.263 4CIF -> H.264 CIF
-> H.263 CIF -> H.261 CIF -> H.263 QCIF
-> H.261 QCIF
AUTO (4:3) Any < 256 kbps Same formats as for MOTION, excluding
w288p
AUTO (16:9) Any < 512 kbps w288p
AUTO (4:3) Any => 256 kbps Same formats as for SHARPNESS, exclud-
ing w576p
AUTO (16:9) Any => 512 kbps w576p
TANDBERG Best Impression
TF
Automatic Continuous Presence (CP) Resolution Switching
DuoVideo
TF
/H.239/BFCP
DuoVideo
TF
/H.239/BFCP may be sent in both Continous Precence and Voice Switched
mode.
The TANDBERG MPS will transmit the same format as the one received if all the sites •
are capable of receiving it.
The Video Format will fallback is as described for Voice Switched mode.•
157
Introduction
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