Jason Eppink of the Museum of the Moving Image in Astoria New York has been working on a great little project that shows subtitles on an external Crystalfontz LCD, while the video plays on a monitor above.
The project is open source on GitHub.
External Subtitles for Video Installations (extsub) plays fullscreen video (up to full HD) while simultaneously processing and displaying subtitles in one or more selectable languages on a separate graphic LCD display.
It is an affordable (~$150 USD per unit), easy-to-build, easy-to-maintain, open source project using completely off-the-shelf hardware. It uses a Raspberry Pi to display video and talk to the Arduino via serial, which sends subtitles to a CFAG24064A-series display.
extsub is still in development, but the prototype is stable.
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