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Is it possible to extract audio from a Youtube video using Mathematica? I have looked at this post and figured out that it is impossible to download videos with the Youtube API. Are there any possible workarounds?

Thanks!

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  • $\begingroup$ You can connect your audio-out to mic line-in with a simple double ended stereo jack. Then just do AudioRecord[$DefaultAudioInputDevice];. The advantage is it always works even if YouTube changes and youtube-dl stops working one day. $\endgroup$
    – flinty
    Commented Jul 25, 2020 at 21:48

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I'm not sure, if it is possible to do that directly in Mathematica, but there is a command line tool called youtube-dl. It allows the direct extraction of the audio by using the -x option, see here Post-processing Options.

Example:

youtube-dl https://www.youtube.com/watch?v=jNQXAC9IVRw -x --audio-format mp3 -o "only_audio.%(ext)s"

The audio will be saved in a file called only_audio.mp3.

You can use Run[] to run the command directly from Mathematica.

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    $\begingroup$ These days I’d say RunProcess can do everything Run does and more and does it better $\endgroup$
    – b3m2a1
    Commented Sep 7, 2019 at 20:07

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