User`s guide
4 Setting Up the VCB
Emblaze-VCON VCB Getting Started Guide 27
Max Resolution 
Out
The size of the transmitted video images in outgoing 
direction:
•
720p (VCBPro Only) - 
is a short name for a category 
of High Definition video modes. The number 720 
stands for 720 lines of vertical display resolution, 
while the letter p stands for progressive scan or non-
interlaced.
•
4CIF - 
uses 704 x 576 pixels resolution. 
•
CIF 
- (Common Interchange Format), or normal size. CIF 
uses 352 X 288 pixels resolution.
Keep Aspect 
Ratio
Check this option to keep the original aspect ratio of con-
nected sites. Otherwise, VCB will stretch the video image 
to fit the layout window.
Dual Video
End points that support Emblaze-VCON’s HD DualStream™ (vPoint HD, 
HD5000, HD4000, HD3000 and HD2000) or other dual-video capability can 
send video and data streams simultaneously to a multipoint conference 
through the VCB. During a conference, end points supporting HD DualStream 
can view documents, graphics, and presentations as the main image, while the 
video appears as a PIP inset on the screen.
Format The video codec (
H.261
, 
H.263, H.264
) used by the 
streaming source. 
Video Format/
Size
The format and resolution of the transmitted video 
images. 
The available formats are:
T CIF (Common Interchange Format), or normal size 
- 352x288
T
VGA
 - (Video Graphics Array) 640x480
T 4CIF (4 x CIF) - 704x576
T
SVGA
 (Super Video Graphics Array) - 800x600
T XGA (Extended Graphics Array) - 1024x768










