It then processes the audio with the fix_fft library, which runs a Fast Fourier Transform in order to figure out the energy level of each frequency bin in the audio spectrum for both the left and ...

This spectrum analyzer takes an audio signal from an iPod, phone, or CD player through a 3.5 mm jack and displays the level for dozens of frequency bands much like an audio visualizer in iTunes or ...

Watch the demonstration video below to learn more about the DIY Audio Spectrum Analyzer kit which consists of a 6 Band Audio Spectrum Analyzer with 6 x New Old Stock German TELEFUNKEN EM800 Magic ...

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 ...

Electronics enthusiast and developer Juergen Grau has returned to Kickstarter for 7th time to launch his new Nixie tube audio spectrum analyzer. Watch the demonstration video below to learn more ...