Features; Advanced Iris - Sony KDS-R50XBR1 Training Manual

Features

Advanced Iris

The Average Picture Level (APL) drives the Advanced Iris operation. APL
n video systems, as the average level of the picture signal
is defined i
during active scanning time integrated over a frame period; defined
as a percentage of the range between blanking and reference white
level. Basically, the video scene is measure for overall brightness
level and the iris's aperture opening is increased of decreased to
either increase the whites in the brighter scenes, or decrease the
blacks in the darker scenes. Subsequently, achieving a contrast
ratio for the SXRD models approaching10,000:1.
TVP-21
Full Open
*
500 cd/m2
White
Black
0.05 cd/m2
0 cd/m2
*Candela per Meter Square
Technologies & Features
Advance Iris
Full Closed
250 cd/m2
White
Black
0.025 cd/m2
3