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Qt application that shows the frequency spectrum of an audio stream

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albertoventurini/Spectrum

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This is a simple Qt application that shows the frequency spectrum of a JACK audio stream.

It uses the following libraries:

  • Qt, for a minimal interface
  • OpenGL, to display the power spectrum
  • FFTW (libfftw3-dev), to calculate the FFT of the audio stream;
  • the JACK sound server, to get an audio stream.

Compile with "qmake && make".

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Qt application that shows the frequency spectrum of an audio stream

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