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Specifications

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INTERNAL DVE VIDEO RETURN
Combined channel A and B video output of the internal DVE option;
crosspoint input number 21.
INTERNAL DVE KEY RETURN
Combined channel A and B key output of the internal DVE option;
crosspoint input number 22.
Crosspoint Matrix Outputs
8150 Outputs
AUX 1, 2 – Auxiliary bus outputs for external DVE effects processing
or isolated video/key feeds to other equipment.
AUX 3, 4 – Additional auxiliary bus outputs. Using these ports as
auxiliary outputs excludes using them as inputs 15 and 16, and vice
versa.
MAIN PVW – The feed to the 8150 preview output.
Internal Destinations
BKGND A (Background A) – The video source selected on the
Mix/Effect Background A bus.
BKGND B (Background B) – The video source selected on the
Mix/Effect Background B bus.
FILL 1 – The 4:2:2 fill source selected for M/E keyer 1.
M/E KEY 1 AUX – The 0:2:2 part of a 4:4:4 fill source selected for M/E
keyer 1 if the 4:4:4 Chroma Key option is installed.
KEY 1 – The key source selected for M/E keyer 1.
MASK – The mask source selected for M/E keyer 1; also used as the
0:2:2 part of the key feed if the 4:4:4 Chroma key option is installed.
FILL 2 – The 4:2:2 fill source selected for M/E keyer 2.
M/E KEY 2 AUX – The 0:2:2 part of a 4:4:4 fill source selected for M/E
keyer 2 if the 4:4:4 Chroma Key option is installed.
KEY 2 – The key source selected for M/E keyer 2.
MASK 2 – The mask source selected for M/E keyer 2; also used as the
0:2:2 part of the key feed if the 4:4:4 Chroma key option is installed.
M/E BORDER FILL – The fill source for an M/E wipe border or keyer
border.
LOOP VID RTRN (Loop Video Return) – The dedicated video return
path provided for internal or external effects looping. This output
feeds both the M/E and PGM/PST processors.
LOOP KEY RTRN (Loop Key Return) – The dedicated key return path
provided for internal or external effects looping. This output feeds
both the M/E and the PGM/PST processors.
Video Processing Functional Description 8150 Technical Guide
1-8
Introduction
9100-0212-04 - May 2000