Huh, that's weird (and broken), thanks for the clarification. | Hacker News

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		stavros on Dec 30, 2016 \| parent \| context \| favorite \| on: MusicDNA™: Android music player with visualization... Huh, that's weird (and broken), thanks for the clarification.

harjot-oberai on Dec 31, 2016 [–]

To get FFT data , the device records a small portion of currently playing audio, analyses it, does some magic signals and systems stuff, and generates an array containing the FFT data. Thus the permission to Record Audio.

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