Fundamentals of USB audio
USB, the Universal Serial Bus, has been around for decades and is a heavily used standard in the world of personal computers. Memory sticks, external drives, mice, and web cameras are all interfaced over USB.
In this whitepaper we will look into USB-Audio: a standard for digital audio used in PCs, smart phones and tablets to interface with audio peripherals such as speakers, microphones, or mixing desks. In this article we set out to show how USB-Audio works, what to watch out for, and how to use USB-Audio for high-fidelity, multichannel input and output.