Hardware Character Generators
Hardware character generators are used in television studios and video editing suites. A desktop publishing-like interface can be used to generate static and moving text or graphics, which the device then encodes into some high-quality video signal, like digital Serial Digital Interface (SDI) or analog component video, high definition or even RGB video. In addition, they also provide a key signal, which the composting vision mixer can use an alpha channel to determine which areas of the CG video are translucent.
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