Need advice on how to add a second audio stream for playback. Example: I have a folder for the Goldfinger James Bond Movie. I want to be able to have the second audio track that contains the Director’s Commentary. I have the second audio file recorded as an AC3 file; however, I cannot see how to get Plex to allow me to play it back.
Use a desktop player like GitHub - clsid2/mpc-hc: Media Player Classic or others which allow you to quickly adjust the delay between video and audio tracks, to determine the number in milliseconds which your commentary track needs to be delayed so it syncs up with the video.
(in MPC-HC you use the + and - keys)
Once you have this number, get MKVtoolnixGUI
Use its default “Multiplexer” mode.
Drag the movie file into the upper, left field.
Do the same with the single audio track file.
Now go to the field below and assign the proper language to all audio, and subtitle tracks.
Add a name/track title to your commentary track and make sure it sits below the “proper” audio track(s). Put the determined delay into the marked field (if a delay is actually necessary).
The title will later appear in Plex when you select the audio track for playback.
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I can’t thank you enough. Worked perfectly. Now, I will figure out how to use it to put an optional subtitle file and everything will be better than awesome.
You are truly a ninja
Subtitle tracks work practically the same.
Drag them in,
adjust the delay if necessary,
assign the language and the “forced” flag if applicable,
if you have more than one subtitle per language, assign a track title,
then Start muxing.
Tip: with Plex, you want to place SRT versions always above PGS or VOBSUB versions of the same subtitle.
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