Using the inputs on a computer’s sound card is an old trick to fake a very simplistic, AC coupled, slow oscilloscope. You can get DC operation by desoldering a couple capacitors, but if the sound card ...

I first heard of Dolby Digital Live (DDL) back when nVidia motherboards featured their Soundstorm. I thought this was a neat feature. The Yamaha speakers I had (5.1) had a receiver that would decode ...