A couple of companies are working on an open standard to play DSD over USB.
Aesthetix Jim White
Audirvana Damien Plisson
Channel D Rob Robinson
dCS Andy McHarg, David J Steven
JRiver, Inc. Matt Ashland
Merging Technologies Dominique Brulhart
Playback Designs Andreas Koch
Sonic Solutions Jon Reichbach
Wavelength Audio Gordon Rankin
XMOS Ali Dixon
Independent Dustin Forman
Michael Lavorgna has more
Aesthetix Jim White
Audirvana Damien Plisson
Channel D Rob Robinson
dCS Andy McHarg, David J Steven
JRiver, Inc. Matt Ashland
Merging Technologies Dominique Brulhart
Playback Designs Andreas Koch
Sonic Solutions Jon Reichbach
Wavelength Audio Gordon Rankin
XMOS Ali Dixon
Independent Dustin Forman
Michael Lavorgna has more