[Ryan] designed a 10 band audio spectrum analyzer. This means that he needs 10 band-pass filters. As the name implies, a band-pass filter will only allow signals with frequency of a selected band ...

EQing is based heavily on personal preference, and it's more art than science. This guide gives you the broad strokes of the ...

For their final project, [Alexander Wang] and [Bill Jo] designed an audio frequency spectrum analyzer using two microcontrollers in a parallel setup. This spectrum analyzer takes an audio signal ...