Audio spectrum analyzer - 10 chanels

I made an audio spectrum analyser with 10 channels ranging form 32Hz up to 16kHz. It processes stereo audio input from any given device. Working voltage is 12V, drawing approximately 7.5A.





May 25,2015
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  • Very cool! Any chance getting the files? Thanks!

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  • Very interesting! I like the analog filter design, I have the same idea to do it this old school way instead of the boring DSP way :) Why did you need so many ICs for the LED bargraphs? I was thinking to just using LM3916 or similar

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