Technical Description of TANDBERG MCU with software version D3
D12925 Rev. 03
27
•
Enhanced CP mode
When picture mode is set to (or
Enhanced CP mode
) the following table describes the
picture sent from the MCU:
Number of video sites in
conference
Picture mode used
(When conference set to
Enhanced CP)
1 or 2
Full Screen
3 -> 6
5+1
> 6
7+1
•
The TANDBERG MCU allows for changing between any of these modes during the
conference.
•
Auto mode
is defined to select Enhanced CP mode
4.4.4.2 Automatic Resolution switching
Voice Switched Mode:
In Voice Switched mode or when someone has the floor the MCU will send the same format as
the one received if all the 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 MCU), the MCU will fallback according to the following table:
Preferred Video Format
Fall back Video Format
XGA
SVGA
SVGA
VGA
VGA 4CIF
4SIF 4CIF
4CIF H.263
CIF
ICIF 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