Accessibility/Video Codecs: Difference between revisions

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< [https://wiki.mozilla.org/Accessibility/Video_Accessibility Back to main video accessibility page]
== Introduction to Video ==
== Introduction to Video ==


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To multiplex these multiple tracks of data together into one file (or stream), there is a container (or encapsulation format).
To multiplex these multiple tracks of data together into one file (or stream), there is a container (or encapsulation format).
[[Image:Model_Video_Resource.jpg|thumb|600px|Model of a Video Resource (please turn into graphic)]]
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To compress high bandwidth content such as video or audio into a smaller file, there are codecs (encoder/decoder).
To compress high bandwidth content such as video or audio into a smaller file, there are codecs (encoder/decoder).
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* Vorbis (audio)
* Vorbis (audio)
|  
|  
| CMML, Kate
| CMML, Kate (OGM: SRT)
|-
|-
| MP4
| MP4
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To enable authoring requires support for ffmpeg, ffmpeg2theora, and further GUI authoring applications to be determined.
To enable authoring requires support for ffmpeg, ffmpeg2theora, and further GUI authoring applications to be determined.
< [https://wiki.mozilla.org/Accessibility/Video_Accessibility Back to main video accessibility page]