After just a few seconds, bam, you’re done. Now, drag the MKV file(s) you wish to remux into the application and click Start. Then, select (Copy) and then Stream Copy to MP4 from the menu that appears. To do this, launch ShanaEncoder and click the third menu item, which is named User Preset by default. And the movie-which again, was humongous-took a few minutes. The TV show episode was done in about 6 seconds. Both files remuxed into perfect-and very compatible-MP4 files very quickly. (Which actually isn’t that bad.)įor the remuxing process, I used a utility called ShanaEncoder, which is an updated version of an application called Kirara, which was apparently abandoned by its author. To test this, I stream copied two MKV files, a 1.7 GB TV show episode and a 35 GB movie (“Star Wars: Episode III – The Revenge of the Sith.”) Both videos were created with MakeMVK and the Star Wars film took about an hour and 15 minutes to make. And as noted, doing so only takes seconds or minutes, depending on the size of the original. But instead, you can use a different utility to stream copy (or remux) an MKV file into MP4 format. You could use Handbrake to convert an MKV file to MP4, but that process is time consuming, and in fact can take almost as long as ripping the original Blu-Ray disc. Movie buffs may wish to rip their Blu-Ray movies with MakeMKV for use in a PC-based home theater set up, but they may also need to create MP4 files for mobile use. These files offer excellent video and audio quality as well, and they are compatible with any modern device. My preferred DVD ripping tool, Handbrake, meanwhile creates MP4 files. These files offer the best in video and audio quality, but they’re enormous, and not broadly compatible with portable devices. MKV and MP4 of course contain both video (typically H.264 format) and audio (typically AAC format) content, among other things.Īs I wrote in How to Rip Blu-Ray Videos, I use MakeMKV to create MKV files. MKV and MP4 are just container formats, files that are somewhat like ZIP files or mobile app packages in that they wrap, or “contain,” other files. And that process takes only a few minutes for a full-length movie. As it turns out, you can have it both ways, and instead of converting MKV files to MP4 files, a process that takes hours per movie file, you can stream copy or “remux” them. This is done so that the corresponding video and audio are close together within the file making it easier to play and less strenuous on the drive - rather than say, putting all the video at the start of the file and all the audio at the end of the file (appending rather than interleaving) which would require the drive seeking back and forth over long distances to get successive video and audio frames.If you read my Blu-Ray ripping guide you know that this process can be time consuming and involve trade-offs between the high quality of MKV files and the broad compatibility of MP4 files. two frames of video, two frames of audio, two frames of video, two frames of audio, etc.). This might be done frame by frame (one frame of video, one frame of audio, another frame of video another frame of audio, etc.) or by some other grouping (e.g. I.e., the data within the file consists of a little video followed by a little audio, followed by a little more video and a little more audio, etc. It's called "multiplexing" because audio and video data are interleaved. The cake is still the same cake, just the box is different. It's like taking a cake out of one box and putting it into another box. Re-multiplexing is the process of taking the compressed (or not) audio and video (and possibly other streams) out of one file and putting them into another (the container may be the same type or not) without decompressing and re-compressing them. Of course a (re-)muxing process natively, has nothing to do with re-encoding, de-interlacing, etc. So again, IMO it's about how you (want to) look at it. Or, if one tries to resolve an issue by muxing a sourcefile only with added/other muxing-settings, I would call that a remux too. Suppose you import a mkv into mkvtoolnix, drop a source-subtitle and add another one, mux to mkv again. In my view, the word remux would not only be used when "keeping original source streams and mux into another container". It's subject to consideration indeed, as ron spencer stated. Pre-playback, software de-interlacing for me forcibly comes into play when I need to slow-down certain sped-up (24fps based) PAL music material to native speed (4% speed-change for music is awfully much and can completely devastate groove & rhythm and tonal experience).Īs for the "remux phrase" itself, it's how you want to look at it. As stated earlier, it often is better to leave it as-is. Normally I let my player or tv take care of de-interlacing.
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