Mark Lanctot;152320 Wrote: > I can't understand how there can be differences in digital cables. > > As I understand it, in an optical cable, the S/PDIF reciever is looking > for a change in state between bright and dim, not bright and dim > themselves, but the transition. I suppose a sub-par cable would make > this job difficult and it may miss a state change or two. Not too much > though or you'd lose synch with the stream and get a dropout. > > As these signals form part of a PCM digital code, I fail to understand > how missing the occasional transition could have a consistent, > continuous audible effect. Any audible effect would have to be > specifically written as part of the PCM code. You'd actually have to > purposefully encode brightness or detail or specifically remove it from > the signal at the originating S/PDIF transciever. Again, you may miss a > transition or two, which I suppose could affect sound, but not too many > or you lose the stream. > > How the cable affects jitter I'm not sure, but jitter is quite a small > effect, and as bad as it is, I've never heard anyone accurately > describe it. About the best I have ever read is that it "affects > airiness and spaciousness". Pretty difficult for a universal agreement > given each person's hearing and equipment... > > Optical engineers in the telecommunications industry must be laughing > at the audiophile community. They are concerned with data rates in the > Gbps range over many miles, and audiophiles are worried about 1.5 Mbps > signals over a few feet. > > I'm not much of an analog cable difference believer either, but at > least there, there's stuff you can pick up (EMI) and effects which will > be directly reproduced at the speakers.
You are probably posting in the wrong forum. Jitter is well known to cause nasty digititis. -- P Floding ------------------------------------------------------------------------ P Floding's Profile: http://forums.slimdevices.com/member.php?userid=2932 View this thread: http://forums.slimdevices.com/showthread.php?t=29353 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
