Terry, I am not an engineer, so perhaps I am not the best to explain. An example of correlated noise is quantization noise. Taking as an example your dreaded 1kHz tone, quantization noise would add side bands to the 1kHz signal, yes. But it isn't these side bands that define noise as correlated. By correlated, one means the noise is a deterministic function of the signal - or put another way, same signal in (even an apparently random one), exactly the same noise produced.
If we use this definition of correlated noise (and I do) then dithering randomizes the noise - it makes the noise unpredictable for a given input signal. That takes care of the technical side, now to practical matters. As you asked, what impact would randomizing the noise have? Here, I point to the fact that we hear music as frequencies - not amplitude values! To the degree a human is able to hear a signal as frequencies then that signal does contain enough cyclical information to benefit from dither. A signal beyond the help of randomized noise would itself sound like noise, I think. Regards, Darren -- darrenyeats http://www.amazon.co.uk/gp/richpub/listmania/byauthor/A3H57URKQB8AQO/ref=cm_pdp_content_listmania/203-7606506-5721503. SB Touch ------------------------------------------------------------------------ darrenyeats's Profile: http://forums.slimdevices.com/member.php?userid=10799 View this thread: http://forums.slimdevices.com/showthread.php?t=89733 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
