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Activity Forums Compression Techniques ffmpeg -map audio option

  • ffmpeg -map audio option

    Posted by Kev James on April 8, 2014 at 9:26 am

    Hi, I am trying to export all audio channels from a quicktime file which has the following audio configuration:

    Track 1 – mono
    Track 2 – mono
    Track 3 – mono
    Track 4 – mono
    Track 5 – mono
    Track 6 – mono
    Track 7 – stereo

    I am using:

    ffmpeg -i Feature.mov -map 0:1 -y Left.wav -map 0:2 Right.wav -map 0:3 Center.wav -map 0:4 LFE.wav -map 0:5 Left_Surround.wav -map 0:6 Right_Surround.wav -map 0.7 L+R_Total.wav

    But this is giving me an error. So I want to output 6 mono wavs and 1 stereo wav.
    How do I do that?

    Kind regards.

    Stephen Dixon replied 12 years, 1 month ago 2 Members · 1 Reply
  • 1 Reply
  • Stephen Dixon

    April 9, 2014 at 2:11 pm

    Stream numbering starts at 0. Check with ffprobe to make sure you’re using the right specifier for each stream.

    Also, post the error.

    Stephen Dixon
    Editor, Animator, Motionographer
    Museum Victoria

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