DigitalLife Blog
How to Kill Ground Loop Hum in Your Studio
That low buzz is usually not a cable problem. It is two pieces of gear disagreeing about what zero volts means.
Play a USB MIDI Controller Without a Computer
USB MIDI is host-to-device, which normally requires a PC in the middle. A USB MIDI host removes that requirement.
What Is MIDI? A Plain-English Guide for Musicians
MIDI is not audio. It is a set of instructions. Once that clicks, everything about MIDI interfaces starts to make sense.