About Introduction Support Changelog Info Using StaxRip Projects Filters Glossary Guides DVD DVB More Guides | ## Multiplexing Multiplexing or muxing is joining different streams into a single file. A stream is for instance a audio, video or subtitle file. Splitting a file into different streams is demultiplexing or demuxing. Audio and Video are always encoded separately so demuxing and muxing is always required.
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