3-27
Signal Processor Frame
BORDERLINE Mezzanine (067909)
A BORDERLINE option can be mounted on each of the Keyer Carrier Modules.
The BORDERLINE Mezzanine Board is next in the key path. If it is installed, the
BORDERLINE Mezzanine Board can shift the timing of the key and insert a border
around the key. If the BORDERLINE is not installed, the key signal goes directly
to the non additive mixer.
Next, there is a a Non-Additive Mixer (NAM) in the key path. The NAM can do a
mix between the two keys of that M/E. The key NAM compares the luminance
level of Key 1 and Key 2 fills and puts the key that has the highest instantaneous
luminance level of its fill on the air.
Before being sent off the module, the video signals first have the chrominance and
luminance recombined.
The Keyer Carrier Module generates Box Masks (one for each Keyer Mezzanine
board). The Keyer Carrier Module also gets wipe information from the Mix/Wipe
Module and sends that to the Key Mezzanine Board for use as a mask.
Processors Used:
■
Uses the Head of State (HOS) processor for aux bus control
■
Uses M/E 1 Processor for M/E control
See
BORDERLINE Mezzaine
KEYER FOR KEY
KEYER FOR
BACKGROUND
Keyer Mezzaine
Keyer Mezzaine
Figure 3-8. BORDERLINE Mezzanine Location
Summary of Contents for Grass Valley 4000
Page 3: ...iii Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Page 4: ...iv Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Page 34: ...1 20 Section 1 System Overview ...
Page 138: ...2 104 Section 2 Installation ...
Page 196: ...3 58 Section 3 Functional Description ...
Page 286: ...Index 6 Index ...