Keyboard Builders' Digest
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Keyboard Builders' Digest / Keyboard Spotting

Abekas A72

An Abekas A72 digital character generator spotted by u/drake9800.
Published October 14, 2022

Not much info on this beauty, but I wanted to include it to be able to find it later...

So the Abekas A72, posted by u/drake9800, was a digital character generator (CG).

If the character generator part needs some explanation, they are devices that produced static or animated text (such as news crawls and credits rolls) for keying into a video stream.

(E.g. here is another character generator featured earlier.)

This specific Abekas model was probably quite popular, at least according to this article, discussing the design of the Abekas A72, and how its architecture has affected its evolution:

The A72 was built to offer the highest possible character quality and smooth motion effects, but it was initially unable to satisfy market needs for density and complexity of text pages. However, the flexibility of its design allowed the system to grow and evolve, and to offer capabilities and effects previously thought impossible to implement. The use of many general-purpose processors, with software used to control even low-level tasks normally “hard-wired” on a CG, allowed this growth to occur with few hardware modifications to existing models. This approach proved invaluable in keeping the CG up-to-date, and it may prove to be increasingly advantageous for future equipment design.

Published on Fri 14th Oct 2022. Featured in KBD #99 (source).

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