[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 ...

We all benefit from equalizers — even those among us who couldn’t distinguish a filter bank from a spectrum analyzer. In the simplest terms, these products help enhance audio signals ...

Careful planning and a steady hand let [Leo Rampen] fit everything he needed to build a graphic equalizer display on his LED wall sign. There’s a lot of components that needed to fit on this ...