I’m making an animatic, and want to know how to extract audio from a video and turn it into a file I can insert into a movie making program.

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[–] 17 points 3 years ago (5 children)

With ffmpeg installed, you can extract just the audio. Here is a sample command usage:

ffmpeg -i video_file.mp4 audio_file.mp3

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  • [–] 10 points 3 years ago (1 child)

    You may want to pass through the audio so it's not reencoded. The top answer on this stack overflow article has an example. https://stackoverflow.com/questions/9913032/how-can-i-extract-audio-from-video-with-ffmpeg

    And a copy/paste:

    ffmpeg -i input-video.avi -vn -acodec copy output-audio.aac

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  • [–] [S] 1 point 3 years ago (1 child)

    I’m trying to download it, but my Chromebook is making the file register as “read only.” How do I fix that?

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  • [–] 4 points 3 years ago

    What movie making program are you using? You should be able to just put in the video and disable or delete the video track, only leaving the audio.

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  • [–] 3 points 3 years ago

    Use handbrake command line. References available on the web. Ffmpeg would also work

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  • [–] 2 points 3 years ago

    If you're comfortable with the command line, you could use a tool like ffmpeg to do this on your own computer. You might need to know the format of the video file and the format that you want to make the audio file, though.

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  • [–] 2 points 3 years ago

    The most user friendly way is to download Shutter Encoder and drag / drop your file into it and select MP3 / Wav from the drop down menu.

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