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This topic comprises 2 pages: 1 2
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Author
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Topic: AES cables
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Stephen Furley
Film God
![](http://www.film-tech.com/ubbmembers/1277b.jpg)
Posts: 3059
From: Coulsdon, Croydon, England
Registered: May 2002
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posted 12-23-2009 03:49 PM
Steve,
I did a search for the cable you recommended:
web page
It's quite expensive; not too bad for 4-pair, but look at the price, size and weight for 32-pair. Using lots of wires to transmit multiple digital signals of relatively low bandwidth seems like a rather makeshift way of doing things. Why didn't the AES produce a standard for transmitting multi-channel sound? Let's start with the AES3id standard; I'm not sure how much bandwidth 75 Ohm co-ax can handle, but I do know it can cope with HD-SDI with 16 channels - 8 pairs - of embedded audio, and I also know it can handle 3G-SDI, though I'm not sure about embedded audio with that. If we are talking about audio only then it's clearly going to be able to handle many channels, on one thin, cheap, lightweight, flexible, easy to handle and terminate cable. If you need a longer distance than you can do with co-ax then you could send the whole thing down a single fibre, tens of km of it if you want to. A multi-channel version of AES3id seems like an obvious next step; using these thick multi-pair cables seems to be doing things the hard way. Am I missing something?
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