Moreover, the unit can be powered by either USB or your average AC plug, and even includes digitalaudioout for a (somewhat) "true" high definition experience.
With the cornerstone ideas in place, digitalaudio would start to slowly move from the realms of telecoms out into the broader academic and commercial fields.
Working for Bell Laboratories, Nyquist (among other things) set out theories regarding telegraph speed and transmission that would pave the way for future digitalaudio developments.