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Engineering – Picture
OmniTek XR can detect whether the picture is moving or frozen, or whether the picture
has gone to black, or to black and white. The settings for the detectors may be
configured here.
• Motion Content
A level of filtering can be applied to the picture. This is designed to accommodate an analog
VTR that is parked on a single frame. The picture will be frozen, but the varying analog noise
from the VTR will mean that each frame is actually slightly different. The filter setting
removes a certain amount of noise, and the filtered image is then tested
The filtering is actually based on an equivalent noise level. Thus if you have a uniform
image, and add -36dB of noise to it, then setting this value to -36dB means that the detector
is on the threshold of noting the image as moving, or not. Following on from this, a setting of
-6dB will filter out high levels of noise, and a setting of -54dB will only filter out a very tiny
amount of noise.
• Luma Content
This control works in exactly the same way as the Motion Content control, and detects if the
picture is black.
• Chroma Content
This control works in exactly the same way as the Motion Content control, and detects if the
picture is black and white.
The results of these detectors are displayed in the Video Status window, described from page
48 of this manual. These same detectors may also be used in the logging, or SNMP alerts,
described on page 68.
Engineering - Timecode Reader Configuration
All OmniTek XR systems include a VITC and ATC reader.