The AVR project utilizes a small graphics LCD to display the monitored spectrum and waveform of audio signal. The full graphics type LCD module used is the SG12232C with a resolution of 122(H) x 32 (V ...

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 ...

Juergen Grau data the new DIY audio spectrum analyser called the Magilyzer EM800 complete with EM800 Magic Eye tubes, which has this week launched via Kickstarter and is now available to back with ...

These days, streaming services are a great way to listen to music or podcasts on your computer or on the go. However, they lack one feature of the MP3 players and streamers of old: visualizations!

The author is senior development engineer for Wheatstone Corp. There’s nothing like a little audio performance testing to cap off a hectic week at the station, especially if you don’t have to haul out ...