Encore Presentation System • User’s Guide 23
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System Overview
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Following is a detailed list of Encore Presentation System features:
• 12 independent windows or 6 windows with seamless transitions.
• Two native high resolution background channels provide background video
underneath PIPs and Keys. Background transitions are standard.
• PIP effects, including:
~ A full range of transitions, such as dissolves and wipes.
~ Smooth PIP moves, with keyframe-controlled sizing and positioning.
~ Adjustable PIP aspect ratio.
~ Adjustable PIP borders, including drop shadows and soft edge.
~ PIP clone mode (mirror and offset).
• Keying effects, including:
~ Luminance keys.
~ Invert keys (key source luminance video inverted).
~ Color keys (using absolute luminance values of Red Green And Blue).
~ Split keys (key cut and fill).
~ “Join” mode to lock mixer layers together (e.g., key cut and fill).
• One native high resolution Downstream Key (DSK) channel, independent of the
PIP/KEY processing channels.
• Superior video processing:
~ 10-bit processing, with 1:1 pixel sampling.
~ Motion adaptive de-interlacing (SD & HD).
~ 3:2 and 2:2 pull down detection.
~ Image cropping and aspect ratio correction.
• Low video delay — less than 3 input fields.
~ 60ms @ 50Hz
~ 50ms @ 60Hz
• Athena proprietary high-performance scaling.
• Z-order control for assigning overlay priorities to each PIP or key.
• Dynamically re-assignable mixer layers:
~ In Mix mode, a mixer’s two layers are ganged together.
~ In Split mode, a mixer’s two layers operate independently.
• Frame grab “captures” for use as backgrounds and downstream key sources.
• Complete lookahead preview.
• Blended wide screen projection support.
~ 10-bit processing
~ Variable overlap
~ Supports standard and pre-overlapped background sources
~ Edge blending (feathering)
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