I have written an audio visualizer using FMOD to play an mp3 file, and using getSpectrum to grab the audio data.


I would like to convert this program to monitor the system audio level, without having to play the music through FMOD itself. On some systems, you can use the Stereo Mix recording device to do this.

My question is, how can I use getSpectrum to see what is being recording, without having to play it back (playing back Stereo Mix is bad, feedback loop). Also, is it possible on systems without stereo mix to be able to record/get the spectrum on any device, even if the audio is being played by another program?


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