Accessibility/Video Codecs: Difference between revisions

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Thus, the simplest video with a caption consists of a container, a video codec, an audio codec and captions that have been multiplexed as a timed text codec.
Thus, the simplest video with a caption consists of a container, a video codec, an audio codec and captions that have been multiplexed as a timed text codec.
As an aside: captions (or subtitles) can also be created for videos by "burning" them into the video. However, to re-access such captions, e.g. in order to do searches, requires OCR. In modern digital times, that is not a preferred way of dealing with captions and will not be regarded here.


== Choosing a Caption Format ==
== Choosing a Caption Format ==