Graphic card radiation,hearable?

modulate_inc · Post by **modulate_inc** » Tue Oct 25, 2011 11:22 am

Hi guys,

everytime when i crank my mixer up (to control monitor loudness) i hear some crackeling,and sweeping.
I tried almost everything,using my Internal soundcard (M-Audio 2496) and different external Cards (Esi u24xl / Motu / ....)
Everytime i hear that crap!!

If i move my mouse,i can hear the graphic card (or CPU) working, so i dont think it is an external issue.

Anyone an idea?

Thanks!

wub · Post by **wub** » Tue Oct 25, 2011 11:25 am

I can hear that sometimes through the headphones on my laptop.

modulate_inc · Post by **modulate_inc** » Tue Oct 25, 2011 11:29 am

That is a really nerve killing sound...
any chance to fix that?

wub · Post by **wub** » Tue Oct 25, 2011 11:30 am

Sample it.

modulate_inc · Post by **modulate_inc** » Tue Oct 25, 2011 11:32 am

hahaha,n1 !

VirtualMark · Post by **VirtualMark** » Tue Oct 25, 2011 2:22 pm

it could be a ground loop. you'll probably need to get balanced connections and other stuff if you have a ground loop, lots of info on the web but it can be a pain.

amphibian · Post by **amphibian** » Wed Oct 26, 2011 1:18 am

also check where your sound is coming from. Usually it's either some kind of ground loop, or interference from other devices.

modulate_inc · Post by **modulate_inc** » Wed Oct 26, 2011 12:18 pm

yea,need to check that.
i´ll try 2 circiuts first. Maybe it´s really a ground loop.

Electric_Head · Post by **Electric_Head** » Wed Oct 26, 2011 1:28 pm

sounds like a ground loop

no, wait.

ok, it`s a ground loop.

Comfi · Post by **Comfi** » Wed Oct 26, 2011 9:05 pm

I had a similar problem when using rca cables into my monitors, i switched over to two guitar leads and it was fixed. May be something completely different though, but it's worth a try if you have those leads lying around like I did.

modulate_inc · Post by **modulate_inc** » Thu Oct 27, 2011 7:01 pm

the problem is not just the sound through my monitor, even in my INPUT in ableton i can see a lil bit of Sound coming in ( if everything is Muted)
and if i wear headphones,just the same sh***!

VirtualMark · Post by **VirtualMark** » Thu Oct 27, 2011 10:06 pm

i earthed the outside of my signal cable to my pc, that sorted my issue out. can be a pain to find out what the problem is. i get cpu whine on my laptop, only when i use the crappy intel built in audio chip. you shouldn't get that if you have a usb or firewire interface, so i'd think its definitely some sort of ground loop. is there an earth point on your audio interface?

Graphic card radiation,hearable?

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