A simple Audio Fast Fourier Transformation based Simple Spectrum Analyzer for Android
Just start the app, make some noise and you can watch the sampled sound frequencies on the screen.
It also comes with some standard frequencies so one can check if it's working as expected :)
This app is actually just a refactoring of
https://play.google.com/store/apps/details?id=com.somitsolutions.android.spectrumanalyzer
source code: https://github.com/marcosdiez/FFTBasedSpectrumAnalyzer
My source code is available here:
https://github.com/sommukhopadhyay/FFTBasedSpectrumAnalyzer
This version of Spectrum Analyzer Android App comes with one universal variant which will work on all the Android devices.
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