It’s not without limitations though, while it’s designed for expansion it no longer has any ports that can easily ... who shows us how the PC sound card can become a measurement interface.

【USB Sound Card】- External stereo sound card connects to 3.5mm audio headphones, earphones, speakers or microphone via a USB port. For better playback sound quality, and providing a powerful ...

with the parallel port on one side, and an 1/8″ plug on the other. These solutions for PC sound sucked. It wasn’t until the first AdLib cards that superior sound showed up on the PC.