Kirk Harnack explains the U.192 Part 1

Описание: The U.192 is the first audio interface designed specifically for StereoTool software. Before now, connecting StereoTool to your transmitter involved trying to find a sound card that would actually work. Ordinary sound cards and interfaces were just not built to pass multiplex signals to the transmitter. U.192 is designed for StereoTool, built for broadcast, and ready for air.

https://angryaudio.com/products/u192/