Carlo Capocasa wrote:
I should also mention that I have a firewire audio interface with included microphone pre-amp, and that the hum gets REALLY lound on the Mic channels when phantom power is turned on. So please, please, please help me! I'm desparate. I've been working on linux audio for over four years and my music's starting to get good enough to be published and I can't record because of some dumb analogue engineering problem. Are any smart analogue engineers reading this?
Methinks there is Somewheres (note the forced plural!) in your hardware setup one or more pieces with bad shielding and/or bad grounding. The problems might not be limited to cabling - they could be something inside your hardware.
A possible candidate - your fireware audio interface w/ microphone pre-amp. It may be originating the hum in the first place, and the mic pre-amp makes it really loud.
-- David gnome@xxxxxxxxxxxxx authenticity, honesty, community
