Originally Posted by StefanM
just to be clear:
s/p-dif uses 75 Ohm coaxial cable (and is good for up to about 30feet)
aes/ebu uses 110 Ohm stp cable and (being differential & higher level) is good for much longer distances.
If your questions was about for example connecting an s/p-dif out to an aes in: yes it is possible in most cases if cable length is in the range of s/p-dif connections.
And no: there is no difference in audio signal quality...
not strictly true..and the real situation is more complex.
spdif can be (and is) run over optical
aes3 can be (and is) run over 75 coax with bnc connectors.
Protocol is more or less the same (BUT NOT IDENTICAL) and output levels vary between different flavours as you stated.
you should ideally use a matching transformer to convert one to the other (v.cheap- neutrick do one) . In practice it will 'probably' work if you just make a 'wired' adapter - but you might get glitches and dropouts. Try it and see.
don't mean to be a smart-arse but just thought it was worth painting in a bit more of the picture. thumbsup