BigEars;202958 Wrote: > There seems to be a deathly silence from DAC designers about why they > work (they only do if implemented properly), and that is probably > because the story is not the sort of thing audiophiles really want to > hear. So... "all DACs suffer from distortion due to non-linearities, > and this is particularly so at high volumes, and it is particularly > noticeable to human ears due to it's artifical nature. One way to > reduce it is to feed the DAC with an upsampled signal so full of > ultrasonic noise that the non-linearities added by the DAC have less > effect on the baseband audio signal...". Doesn't sound like good > marketing copy does it! > > Seems to be more effective than straight dithering because it is > signal-dependent (the ultrasonic images are higher level when the music > is louder), so it doesn't affect S/N as much for a given amount of > dither. > > There is nothing magic about it, it is just another bodge to improve > the perceived accuracy of a flawed recording/playback technology. The > same happened with Vinyl until it really did sound uncannily real, and > I guess digital will continue to go through the same evolution.
Maybe if I had some picture/graphs of what you are describing it would make more sense to me. It definately has enough techno-jargon for good marketing copy though ;) -- jt25741 SB3->AR Masters Coax -> PS Audio DLIII -> Cardas Golden Reference XLR -> Sim Audio P5 -> Cardas Golden Reference XLR -> Sim Audio W5 -> Cardas Golden Reference Hi-Mid,PS Audio Xstream Plus Low-> Magnepan 3.6R ------------------------------------------------------------------------ jt25741's Profile: http://forums.slimdevices.com/member.php?userid=8645 View this thread: http://forums.slimdevices.com/showthread.php?t=32055 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/lists/listinfo/audiophiles
