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BTW. I want to ask you guys. Did you have some circuit with microcontroller (pic or atmel) and LCD for spectrum analysier. something really good ?
Something like spectrum analyser in winamp in main window, with options and some modes
"Sure, a DSP can make the calculations and generate the pixel bitmap for an audio spectrum analyzer, but at what cost? Robert gets the same result from a single PIC processor with a design so good he walked away with a Design98 first prize."
**broken link removed**
May be even simpler with a current AVR flash based MCU...