Quote:
Originally Posted by bozmillar
I'll be implementing a spectrum analyzer probably this week. If you are not picky about your attack and release settings being super accurate, you should be able to do the heavy lifting in the graphics thread.
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Please let me know how it works out! Besides running the FFT itself you then have to sweep through all the "bins" to calculate magnitude - apply an envelope detector of some sort to all of them (512+ IIR filters?) - and then plot this with an interpolated curve.
Seems pretty CPU intensive to me.