To second Eldartfords point - much of the early work was done in the pro/semi-pro audio space. Think of the Apogee DAC, the Waveterminal U24 USB to SPDIF box which vanished and Blue Circle is now emulating and on. These are tools and the people who make the best tools that meet the needs of their customers win...
FWIW - several years ago I proposed the idea of running a USB port into a very high profile US mfgrs CD player to leverage the owners investment in the internal DAC... to say nothing of the cables, isolation and other tweaks... still waiting. Meanwhile I no longer have a CDP
FWIW - several years ago I proposed the idea of running a USB port into a very high profile US mfgrs CD player to leverage the owners investment in the internal DAC... to say nothing of the cables, isolation and other tweaks... still waiting. Meanwhile I no longer have a CDP