I have a few MKV files with AC3 audio that I want to be able to play on a Roku using the Plex channel. Unfortunately, Roku does not support AC3, so Plex tries to transcode this, but ultimately fails.
I want to preserve the integrity of these MKV files, especially the video quality. I came across some threads that suggested using VLC to strip the audio (which I did to MP3) and then add that back into the MKV file using MKVToolNix, but when I did that, it generated a file with audio out of sync with the video.
Is there a good way to go about accomplishing what I'm trying to do? Is it even possible to create a good-quality audio file of a different format from an MKV and repack it into the original MKV?
Thank you for any and all help!
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Did you account for any audio delay in your original mkv file?
Last edited by jagabo; 12th Dec 2017 at 19:58.
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What does that mean, 'ultimately fails? I've played a ton of MKVs with AC3 audio from my computer through the Plex channel on my Roku box to my television. And, as jagabo says, if you wind up with a delay for some reason, account for it when remuxing as MKV or whatever.
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I didn't account for audio delay, and I suppose that I could have converted the audio from the MKV to MP3 without accounting for the frame rate too, which I saw on another thread. But another user on the Plex forums mentioned that there was a simple solution using Xmedia Recode.
Originally Posted by JuiceWSA
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