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Sharpness*:
Improved quality of detailed images and graphics, lower frame rate, ideal for enhancing quality at
lower bandwidths.
4CIF will be used from a PAL video input, Digital Clarity
4SIF from NTSC, Digital Clarity
w720p will be used from a wide format (HD720p) input
VGA/SVGA/XGA from PC, Digital Clarity
IVM Resolution
The following table shows relationship between Transmission modes selected by the system
when Motion or Sharpness is set in the Call Quality menu. IVM will use this table to optimize the
Video quality, according to the capabilities of the remote system(s):
Basic Video
Quality
Video Input Transmission mode selection rules*
MOTION PAL 448p -> iCIF@50 -> CIF -> QCIF
MOTION NTSC 400p -> 448p -> iSIF@60 -> iCIF@60 ->
SIF -> CIF -> QCIF
MOTION VGA CIF -> QCIF
MOTION SVGA CIF -> QCIF
MOTION XGA CIF -> QCIF
MOTION Wide w448p -> w288p -> CIF -> QCIF
SHARPNESS PAL 4CIF -> VGA -> CIF -> QCIF
SHARPNESS NTSC 4SIF -> 4CIF -> VGA -> SIF -> CIF -> QCIF
SHARPNESS VGA VGA -> 4CIF -> CIF -> QCIF
SHARPNESS SVGA SVGA -> XGA -> 4CIF -> VGA -> CIF ->
QCIF
SHARPNESS XGA XGA -> SVGA -> 4CIF -> VGA -> CIF ->
QCIF
SHARPNESS Wide w720p -> w576p -> w448p -> w288p -> CIF
-> QCIF
Transmission mode with Motion or Sharpness selections.
4.4.6.2 Native Resolutions
The following live video resolutions are supported on the system*:
Native NTSC:
4SIF (704 x 480 pixels), Digital Clarity
400p (528 x 400)
iSIF (352 x 480 pixels), Natural Video
SIF (352 x 240 pixels)