[Ryan] wanted a spectrum analyzer for his audio equipment. Rather than grab a micro, he did it the analog way. [Ryan] designed a 10 band audio spectrum analyzer. This means that he needs 10 band-pass ...

While [Vinod] says he’s not an expert in this sort of thing, we really like his audio spectrum analyzer build from a simple microcontroller and LCD display. It is a well-studied fact that every audio ...

This audio spectrum analyzer utilizes an ARM7 LPC2138 microcontroller to create an FFT algorithm while performing digital signal processing without the use of special DSP processor. This audio ...

The eighteen IN-13 Nixie tubes are fed from a 125V DC supply. The solid brass framework is made from 37 individually machined parts, and the base is solid mahogany. The eighteen IN-13 Nixie tubes are ...

Juergen Grau has taken to Kickstarter once again to launch and raise funds for his new analogue audio spectrum analyser which takes the form of the Magilyzer Mk II, which builds upon previous designs ...

Dog Park Software has released iSpectrum Analyzer 2.0, a new version of the audio spectrum analyzer for Mac OS X. New to this release is Universal Binary support for Intel Macs. iSpectrum Analyzer ...