MakeMKV drops non-empty audio tracks?

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archiveEverything
Posts: 11
Joined: Fri Feb 19, 2021 5:47 pm

MakeMKV drops non-empty audio tracks?

Post by archiveEverything »

I have a DVD that seems to use the Blu-Ray strategy of using different titles to select alternate audio tracks in the same underlying video stream.

As a result, MakeMKV exports each title with only a single audio track, rather than all the audio tracks originally present in the video stream. Expanding the dropdown for each title also shows only a single audio track, so I presume MakeMKV is making its decision based on the title data, rather than on the stream.

Of course, I don't really want two separate, full-size MKVs. I'd much rather have a single MKV with both audio tracks in it.

Is there any way to export all of the audio tracks in an A/V stream when the title only lists one of them?
archiveEverything
Posts: 11
Joined: Fri Feb 19, 2021 5:47 pm

Re: MakeMKV drops non-empty audio tracks?

Post by archiveEverything »

By way of update, this loss of audio tracks also happens on 1.16.0.
dcoke22
Posts: 2534
Joined: Wed Jul 22, 2020 11:25 pm

Re: MakeMKV drops non-empty audio tracks?

Post by dcoke22 »

The MKVToolNix set of tools will probably let you mash the two audio tracks into a single .mkv file. It isn't a thing I've ever needed to do, so I'm just making an informed guess.
Woodstock
Posts: 9892
Joined: Sun Jul 24, 2011 11:21 pm

Re: MakeMKV drops non-empty audio tracks?

Post by Woodstock »

It comes down to how the disk is mastered - the only work around I have found for it is to rip both, and use MKVmerge to create a new MKV file with the combined audio and subtitle tracks.

I've only had to do it for BD releases, though.
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archiveEverything
Posts: 11
Joined: Fri Feb 19, 2021 5:47 pm

Re: MakeMKV drops non-empty audio tracks?

Post by archiveEverything »

Thanks for the response. It sounds this is just part of how MakeMKV views the world.

Converting a VOB (or m2ts) to mkv via ffmpeg preserves all the tracks in the underlying stream, so I wasn't sure if it was intentional behavior by MakeMKV.

I do wish MakeMKV would at least list all the audio tracks, and only select by default the tracks chosen/available by the title. As it stands now, I can't completely trust what MakeMKV shows me.
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