How to Extract Subtitles from Corrupted mkv file?

[MounaLafi]

I've tried to use MKVextract to extract the subtitle streams (idx/sub) from the mkv file, but it seems that there is a problem with the mkv file itself. It only extracts the subtitles partially (i.e. first 40 Minutes only). I'm wondering if there is a solution for this problem. By the way, I can play the mkv file without any problems.

[setarip_old]

Hi!

Just go back to the original source material you used to create the MKV (DVD, BD, HD, etc.) and extract the subtitle streams from that instead.

BTW - Why do you have to extract the subtitle streams?

[MounaLafi]

Hi setarip_old,

The original was a BD which I gave it as a present to one of my friends (who is no longer available where I live).

I need the subtitle in the mkv file because I have the DVD for the same movie, but the subtitle from the BD isn't there in the DVD, so I thought about inserting the subtitle into the DVD.

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