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If high definition video is converted to SD (or vice versa), will the captions stay intact?

April 26, 2017captions converted high definition intact sd stay versa video

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If high definition video is converted to SD (or vice versa), will the captions stay intact?

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It depends on what software or hardware is used to perform the conversion. In general, captions will not be preserved unless the system was specifically designed with the capability to preserve the closed captions. Some examples of hardware that were designed to do this are the Matrox MXO2, and the AJA FS-1. Another option is to use software to extract the captions from the original source and convert and re-encode them into the destination format.