Any software that will trasncode video but leave hi-def audio intact? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 5 Old 08-28-2013, 07:33 AM - Thread Starter
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Hey all,

Without getting into too many details, I am looking to possibly free up some hard drive space. I have a number of 1:1 bluray rips with hd audio as flac (mkv container). Am wondering if there is an easy way to transcode/compress the video stream while leaving the hd audio as is. I'd like to ideally keep the mkv container as well.

Thanks.
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post #2 of 5 Old 08-28-2013, 07:39 AM
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I'm 95% certain I've done this with Handbrake.

Passing flac thru might be a problem. Its free and overall good software so its worth a try.

Worst case scenario is that you make a new mkv file with compressed video, and then you use mkvmerge to create ANOTHER mkv file. In mkvmerge you would select the video stream you just created to be the video and then use your flac audio from the original mkv file.

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post #3 of 5 Old 08-28-2013, 07:49 AM
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Compress video by RipBot264 or Handbrake (there are many commercial encoders of course, notably TMPEG Video Mastering Works that uses x264) and save as MKV. Don't care about audio at this time. Run mkvmerge GUI and add both the original file and the encoded file. Keep only the necessary tracks (the encoded video track, the original FLAC audio track and maybe subtiltle tracks and chapters) and merge them into a MKV.
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post #4 of 5 Old 08-28-2013, 08:25 AM
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I use Mediacoder for these types of coding where I want to keep audio intact and transcode the video or vice versa or even leave the audio and video intact and change the container etc. It's very easy. You should check it out.
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post #5 of 5 Old 08-28-2013, 11:45 AM - Thread Starter
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Thanks for the info guys!
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