Extract Audio from YouTube Vidoo

Feb 11, 2018
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If you extract an audio file from a YouTube video using an app such as VLC media player and you choose extract as flac does this just convert an mp3 file to a flac file?

But how do you know if the original file was mp3 of flac?
 
Feb 11, 2018
2
0
10
0


But how do you know if the original file was mp3 or flac?
 

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