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Decoding Closed Captioning Data with Video Experimenter KitJanuary 9, 2012

Closed captioning is the technology used to embed text or other information in an NTSC television broadcast (North America, Japan, some of South America). It is typically a transcription of the broadcast audio for the benefit of hearing impaired viewers. No doubt, you’ve all seen closed captions displayed on a TV, but how does it work? This project will explain how closed captioning technology works and then show you how you can decode and display the data using your Arduino and a Video Experimenter shield. There a lot to learn here, so be patient! First, you can take a look at a video showing this capability, then keep reading to learn how it works.

Via and Source: Nootropic

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