ofSoundGetSpectrum only works for the sound player by now, if you want to do FFT over a raw signal comming from the soundcard you have to do it manually. you can use: https://github.com/kylemcdonald/ofxFft
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ofSoundGetSpectrum only works for the sound player by now, if you want to do FFT over a raw signal comming from the soundcard you have to do it manually. you can use: https://github.com/kylemcdonald/ofxFft