> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of piclist@ian.org
> Sent: 16 June 2008 22:49
> To: Microcontroller discussion list - Public.
> Subject: RE: [OT] Get your HIGHER QUALITY ethernet cables!
> 
> On Mon, 16 Jun 2008, Michael Rigby-Jones wrote:
> > It's *probably* just a marketing exercise, but this cable is for a
> > proprietary interface (Denon Link), and not necessarily plain old IP
> > over Ethernet.  Just perhaps standard cheap cables don't have
tightly
> > enough controlled parameters to be guaranteed to work correctly for
this
> > application?
> 
> If someones audio equipment has been designed so badly that standard
cat5
> or cat6 is not good enough to deliver a clear data stream, then I
think
> buying expensive Monster cabling for it is the least of their
problems.
> I can't imagine how big of a screw up an engineer has to make so that
> ethernet-style hardware is unable to function without magic cable.
> 
> I am quite familiar with ethernet and networking in large and cramped
> runs.  You really have to abuse the hell out of most cable before you
> actually start degrading the signal.  Well, aside from badly crimped
> connectors.

I guess you are familiar with Denon Link then?  Could you enlighten us
with the physical/network layer used?  E.g. Ethernet, UDP?
 
Contrary to many of the arguments on here regarding Ethernet's tolerance
to cabling, many/most digital audio and video links have little or no
error correction and certainly no re-send of corrupted packets simply
due to the latency issues it would cause.  As I mentioned before, an
excellent example is HDMI which will often not work correctly or at all
with long, cheap cables which are outside of the spec.

Once again, I'm not an audiofool.  If Denon does use Ethernet/UDP then
this is most certainly a ridiculously expensive gimmick, but so far I've
heard nothing to suggest it does.

Regards

Mike

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