Captions are encoded during broadcast and then decoded when they reach each individual TV. The caption encoder is the piece of equipment (or software) a network uses to pair the captions with the video and audio stream. Encoders let a broadcaster simultaneously receive and encode the captions, allowing them to be displayed alongside a television program or video in real time. Let’s clear up some of the unknowns around encoders and see which option would be best for you.Įncoders have been around for decades, but the first big steps in modern encoder technology occurred in 1993, when the FCC mandated that TVs include a decoder to receive caption signals, thus allowing a viewer to turn captions on or off on their television (tip: “closed captions” means a viewer is able to toggle on/off the captions, whereas “open captions” are always on). When it comes to live captioning, the very first step is determining if you will need an encoder.
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