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Author Topic: Humming from speakers  (Read 1283 times)
Disarmer
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« on: April 01, 2003, 08:18:30 PM »

PLEASE SUPPLY RELEVANT INFORMATION:
Operating System Version: Windows XP
Problem Application Name & Version:
Problem Hardware Make & Model:
Error Messages:



Ok. here's the problem: I thought I'd listen to some mp3 on my home cinema system instead on the computer, so I connected them using a standard audio cable (don't know if it's called audio cable but you know what I'm talking about). The thing is that the home cinema speakers do this humming noice. It's the kind of noice you get when you turn your speaker up to high but don't play anyting. The thing is that I don't have the volume up to high. I can't really listen to music because the humming is to distracting. the more I turn the volume up the more humming I get!

Some more info: I tried to connect the computer to the TV instead, with the same result. Also I restarted the computer when it was connected to the TV and it made the sound the whole time when the computer was restarting. Also I tried to connect my minidisk instead of my computer and it worked like a charm, so It's not the cables or the DVD/TV.

Oh yea... I have a pretty ****py soundcard. It's one of those who's integrated on the motherboard.
« Last Edit: April 02, 2003, 05:23:41 PM by Disarmer » Logged

 
Doctor Smith
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« Reply #1 on: April 03, 2003, 07:06:31 AM »

If your speakers have an amplifier in them then you might find that the soundcard is amplifying as well. You will have to disable one of the amplifiers.

As it sounds as if you have amplifier hum....

Hint disable the sound card amplifier mode, it may require a jumper set.
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Disarmer
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« Reply #2 on: April 03, 2003, 10:12:19 PM »

I've searched the motherboard manual and it doesn't say anything about turning of the amplifier...
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« Reply #3 on: April 04, 2003, 01:57:20 AM »

Hi,

Did you try to lower the Main volume control and raise the Line-In volume control (if connecting through the line-in connection) in the Windows mixer?
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Sylvain Amyot
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Disarmer
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« Reply #4 on: April 04, 2003, 11:30:44 AM »

It doesn't matter if I change any volume controls in windows, the noise is constant.
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sixpax
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« Reply #5 on: April 14, 2003, 04:16:42 AM »

silly question but have you also tried differnt cables to connect to the speakers?
Granted i have a soundblaster card but i also had a "humming" problem as well.
not sure what kind of software assistance you have with the onboard sound , but the problem is there somewhere.
the soundcard is sending too high of a signal to your speakers which creates the ambient noise, then your speakers amplify this.

of course if u have access to another comp i would try the speakers on it, and if u have access i would try a pci soundcard.

I know this is getting long winded but 1 more thing...
Is this a newer comp or older one?  If it is newer (ie. 1 ghz or more) i would suggest spending the $40 for a pci soundcard regardless.  the sound is so much better.
Onboard sound and video just dont cut it now a days Sad
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