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I can hear my mouse move through my speakers!

post #1 of 18
Thread Starter 
Well, I've posted this in the past, but there were no responses, so I'll try again.

I have my Audigy2 attached to my Creek receiver via a Koss RCA to mini cable. It sounds great except that there is so much noise and static at high(ish) volumes. At a decent volume, I cannot hear it, but the higher I turn the volume, the most prominent it is. Obviously I cannot hear it unless I have my ear next to the speakers, and definitely can't hear it when music is playing, but it's annoying nonetheless.

When I am using headphones, the difference is much more apparent. When I move my mouse, I can hear it, and when my hard drive works, I can hear that as well, through my headphones! I know it's not the receiver because when I unhook the RCAs from the back of the receiver, I hear nothing.

I've heard the argument that it may be an IRQ inference. Well, it's not, because I tried changing my sound card's PCI slot, changing the IRQ manually via the BIOS, and I still got nothing.

Anyone know what's going on?
post #2 of 18
I used to get that too. I think it's the screen causing the noise though. I'll bet you can hear when you scroll down a page, too. When i changed sound cards, this went away. I don't know what causes it.
post #3 of 18
You might consider mounting your soundcard outside of your PC's case.
post #4 of 18
This happens if I use the headphone jack on the front of my cd-rom - weirdest thing.

-dd3mon
post #5 of 18
I get that when my CD drive(s) are spinning up. No idea what causes it.
post #6 of 18
It's just plain old crosstalk/emi - but you can't do very much about that except keeping an eye on proper cable shielding and trying different soundcards or different pci slot locations for these, if an external sound solution is not applicable. Sometimes also rerouting internal drive cables in a different way can help.

Greetings from Munich!

Manfred / lini
post #7 of 18
Yeah, it sounds like EMI. Is your mouse cordless? Most likely the wiring is vulnerable to it.

For what's coming from the HDD, is there anyway to shield the card inside the computer? My idea of covering it with a blanket of aluminum foil would probably make for a sparky situation.

Hopefully you can fix it and get back to hearing your muse through your speakers.
post #8 of 18
are the two devices on the same irq?
post #9 of 18
Is it a wireless mouse?
If I play music other than on cd, my wireless optical mouse will cause breaks in the sound while scrolling. It only happens when using the scroll wheel and never happens if I use the keyboard to scroll.
I use a Turtle Beach sound card and have not noticed any noise when I use the headphone jack on the front of computer. I don't know about the jack on the cd drive...............I'll check it and be right back.

Neither of my drives put out any sound through their headphone jack when playing a cd.
Using the headphone jack on the front of computer is okay, I can't hear any hisses or other crap over the background of my house using my DT250's, even at full volume in the quiet spots.
The furnace finally shut off. The background at the highest volume is not dead quiet, but there sure isn't much there. About like a cheap portable cd player.
post #10 of 18
Thread Starter 
No, the mouse is a Logitech Dual Optical wired mouse. Great little piece of machinery.

I don't really know when it started, but I do have EMI problems all over my room. When I turn on my cell phone in my room, my speakers start bleeping and crying and going crazy. If my 900mhz phone rings near my cell phone, all hell breaks loose. It ain't pretty.

And my monitor is dying from EMI: vertical lines appear randomly on the screen and then disappear. Everything shakes and shimmers too, and this is at 100hz!

Anyways, I can live with it because the system sounds wonderful. I only wish there was an easier way to get rid of it.

Thanks for your help, guys.
post #11 of 18
Is there an MRI machine on the floor above you?
That sounds like and incredible amount of interference. Hang up some lead curtains or something.
post #12 of 18
You have a component that is grounding, or a bad ground

Reseat all your cards and make sure that your USB stuff is plugged in all the way.

Screw everything that you can in tightly.

I've gotten this kind of thing before and you can get rid of it if it drives you insane enough.
post #13 of 18
the first thing to do is to get power strips (with emi blockers) obn everything. if you live near a firestation or police station then there's not much you can do other than to put emi protectos on the tv antenna input, etc. do not use flourescent light bulbs. move your equipment around in 90 degree intervals to discover the direction of least interference. in the case of your computer, start by getting a REALLY good power supply.

good luck.
post #14 of 18

Does the wire of your mouse touch your audio-boxes? This was the case with me, the wire was underneath the box and when I removed it from there the sound was gone.

post #15 of 18
Quote:
Originally Posted by madeofawesome View Post

Does the wire of your mouse touch your audio-boxes? This was the case with me, the wire was underneath the box and when I removed it from there the sound was gone.



what's with your txt..

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