[linux-audio-user] cabling question: crosstalk between audio and cat5 ethernet?

hi everyone! we are moving houses in a month, and i'm planning to install some decent cabling thoughout our new flat. begone, ye maze of twisty little cables all alike :) the idea is to run an eight-way symmetric audio multicore (shielded pairs and an outer foil shield as well) along with 4x cat5 s/stp cables carrying 10/100/1000baseTX ethernet in the same cable duct over a length of about 15-20 meters. will this lead to problems in the audio signal? my naive hope is that since all garbage radiating from the ethernet will be well outside the audible range it might be ok. but then there's always the chance of something demodulating it into the 20-20k range... does anyone here have experience with such a setup? any hints, success and/or horror stories welcome. jörn -- "I never use EQ, never, never, never. I previously used to use mic positioning but I've even given up on that too." - Jezar on http://www.audiomelody.com Jörn Nettingsmeier Kurfürstenstr 49, 45138 Essen, Germany http://spunk.dnsalias.org (my server) http://www.linuxaudiodev.org (Linux Audio Developers)