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I'd like to uniform the way audio tracks in MKV are named, with the number of channels, the codec and (if specified) the language of the audio track, something like:

  • 5.1 AC3 Eng
  • 5.1 DTS Eng
  • 2.0 DTS Eng
  • 5.1 DTS Ita
  • 2.0 AC3 Ita

I read something about metadata attributes, but I can't find a way to automate this process for bulk converts.

  • AIUI, ffmpeg doesn't do in-place modification (updating/renaming) of metadata- one of the experts will no doubt confirm/refute! You might want to look into a different tool – bertieb Apr 9 '18 at 15:22
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why not use mkvmerge? https://mkvtoolnix.download/downloads.html

mkvmerge.exe --output E:\output.mkv --audio-tracks 1,2,3,4,5 --no-subtitles   
--no-chapters --language 0:und --default-track 0:yes --compression 0:none     
--language 1:eng --track-name "1:5.1 AC3 Eng" --default-track 1:yes --compression 1:none 
--language 2:eng --track-name "2:5.1 DTS Eng" --compression 2:none            
--language 3:eng --track-name "3:2.0 DTS Eng" --compression 3:none            
--language 4:ita --track-name "4:5.1 DTS Ita" --compression 4:none            
--language 5:ita --track-name "5:2.0 AC3 Ita" --compression 5:none "file1.mkv"  
--track-order 0:0,0:1,0:2,0:3,0:4,0:5 --probe-range-percentage 0.50

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