refreq 2.0 is currently under development. Let me know if you are interested in helping.

Requirements:

• openFrameworks https://github.com/openframeworks/openFrameworks
• ofxAudioDecoder https://github.com/kylemcdonald/ofxAudioDecoder
• ofxFft https://github.com/kylemcdonald/ofxFft

any help is much appreciated dfeles@gmail.com :)