Description: Apple II Video Overlay Card: Features (11/96)
Header: Apple II Video Overlay Card: Features (11/96)

 Article Created: 04 March 1996
 Article Reviewed/Updated: 18 November 1996

 TOPIC -----------------------------------------------------------

 This article discusses the features of the Apple II Video Overlay Card.

 DISCUSSION ------------------------------------------------------

 Genlock circuitry
 -----------------
 - Synchronizes the Apple II timing to external video timing.
 - Allows a user to superimpose Apple II graphics on top of an external video
 signal for titling or annotating video material.


 RGB and Composite Outputs
 -------------------------
 Allows a user to simultaneously view overlays on an AppleColor Composite or
 RGB monitor while recording the overlay to a VCR.


 Apple IIGS Graphics Chip Set
 ----------------------------
 - Allows the video overlay card to display standard graphics when not
 producing overlays.
 - Improves composite video output by re-generating the video output signal
 from the computer.
 - Broadcast-quality video output.
 - Allows a user to use the overlay card in a professional broadcast
 environment (no degradation of video quality when passed through the overlay
 card).


 VideoMix Software
 -----------------
 Allows
 - software control of the overlay card's functions.
 - choice of key color (color which is transparent to the video signal), set
 the video/graphic mix, and adjust the color/tint of the RGB video.
 - Apple IIe and Apple IIGS compatibility
 - use of the overlay card with existing hardware and the extensive library of
 Apple II software.


 Article Change History:
 18 Nov 1996 - Reviewed for technical accuracy, revised formatting.
 Copyright 1989-06, Apple Computer, Inc.
 Keywords: