Keying Operation And Timing Setup - Magni MCP-601 Operator's Manual

MCP-601 Operator's Manual
Keying Operation and timing setup --- Magni Premier Key Tab
Key Edge Filter;
Hard Key mode provides a sharp transition between graphics and video
Soft Key mode lengthens the transition time thus reducing motion artifacts in some cases.
Key Width;
Wide Key width reduces halo of selected color on horizontal edges
Narrow Key Width allows single line graphics to be keyed.
Key Type.
Graphics mixed with video in following forms: (Buttons and number entry areas will gray
out when not applicable)
Color Black: Key on graphics RGB component value set at 0 level.
Standard: 100% Video on selected Graphics Key Color and mix on all other colors.
Transparent (plus Standard Key): This mode includes Standard Key as above plus one
Transparent Key color where the two signals mixed at 50% transparancy.
Graphics: 100% graphics on selected Graphics Key Color and mix on all other graphics colors.
Video: Key to mix on selected Video Key Color. It is the traditional Chroma Key.
Alpha: One Alpha Key Full Field Keying signal storable from Graphics or Video input.
Key Range. The key range that determine the tolerances of color hue or video levels of the key
signal that will trigger the key transition, it typically set at 25.
Key Color. There are 3 ways to select a key color:
Magni Systems, Inc.
Figure 5-2, Magni Premier software Key tab screen
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