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A comment on MusicDNA™: Android music player with visualizations using FFT data.. Parent comment

Re:MusicDNA™: Android music player with visualizations using... by ifrins on Friday December 30, 2016 @05:50PM (#13288204)
Not the dev, but it seems like this app is using Android's internal audio Visualizer APIs and they require record audio permission even if just visualizing the audio played by the app. https://developer.android.com/reference/android/media/audiof...
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Re:MusicDNA™: Android music player with visualizations using... by StavrosK on Friday December 30, 2016 @06:49PM (#13288510)
Huh, that's weird (and broken), thanks for the clarification.
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Re:MusicDNA™: Android music player with visualizations using... by harjot-oberai on Saturday December 31, 2016 @01:36AM (#13289851)
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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