Kuro wrote: > There are actually three factors that affect the sound of a USB DAC: > > 1. The ground noise transmitted from the PC to the USB DAC via the > ground connection; > 2. The USB DAC's receiver code; > 3. The USB host's transmitter code. > > The DAC's clock jitter increases if ground is contaminated by the noisy > ground from the PC. This is why some newer USB DACs have galvanic > isolation on the USB port to prevent ground noise contamination. > > The receiver code does make a difference in sound. The most famous one > is Streamlength by Wavelength audio. An IC chip with a steady running > state will emit less noise on the supply line. A better receiver code > will lower the noise emitted by the receiver IC. Likewise for the code > in the USB host. More interruptions in the host will cause the receiver > to pause and leave its steady state. This will create more noise by the > receiver IC.
As I understand it Triode has asked to keep the analysis of whether and if so why the EDO may make a difference to sound quality off this thread. I think we should respect his wishes for lots of reasons, not least because he makes no claims on the subject. ------------------------------------------------------------------------ adamdea's Profile: http://forums.slimdevices.com/member.php?userid=37603 View this thread: http://forums.slimdevices.com/showthread.php?t=94512 _______________________________________________ Touch mailing list Touch@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/touch
