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PC Speaker Noise

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Name: mohanlaljangir
Date: May 12, 2009 at 09:30:56 Pacific
OS: Windows XP
Product: Via chipset / Realtek ac97 audio for via(r) audio controller
Subcategory: Sound Cards
Comment:

I observe noise in right speaker. The noise remains regardless of playing audio or not. If I reduce right speaker volume to zero, I can listen audio in left speaker without any noise. I have dual boot system (Windows XP and Linux). The noise appears in both OS mode.



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Response Number 1
Name: jam
Date: May 12, 2009 at 09:36:43 Pacific
Reply:

Got a pair of headphones you can try? Temporarily unplug the speakers from the soundcard & plug in the headphones...still have the noise on the right side?


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Response Number 2
Name: mohanlaljangir
Date: May 12, 2009 at 09:41:55 Pacific
Reply:

I would like to add some more observations:
The noise appears in headphone as well as in external powered creative speakers.
Sometimes noise randomly goes off. But reappears after some time or after next reboot.


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Response Number 3
Name: jam
Date: May 12, 2009 at 09:44:46 Pacific
Reply:

"The noise appears in headphone as well as in external powered creative speakers"

But were the headphones plugged into the speakers or directly into the soundcard?


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Response Number 4
Name: mohanlaljangir
Date: May 12, 2009 at 09:51:28 Pacific
Reply:

Headphone were directly plugged into sound card.


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Response Number 5
Name: jam
Date: May 12, 2009 at 10:44:16 Pacific
Reply:

OK, that rules out the speakers & since it happens in both Windows & Linux, that should rule out a driver issue. It would appear to be a hardware problem then. Have you made any recent changes?


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Response Number 6
Name: OtheHill
Date: May 12, 2009 at 11:08:25 Pacific
Reply:

Did you unplug the speakers when testing using the headphones?


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Response Number 7
Name: mohanlaljangir
Date: May 12, 2009 at 19:51:09 Pacific
Reply:

Yes, speakers were completely powered off while using headphones.
I have added 1GB DDR RAM some six months ago. Do you think, this can cause the noise? Anyway, I will repost after removing the extra DDR RAM and testing noise.


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Response Number 8
Name: jam
Date: May 13, 2009 at 09:00:10 Pacific
Reply:

"Yes, speakers were completely powered off while using headphones"

I believe what OtH was asking was, did you unplug the speakers from the soundcard when testing using the headphones?


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Response Number 9
Name: mohanlaljangir
Date: May 14, 2009 at 06:13:44 Pacific
Reply:

Yes. Speakers were isolated from soundcard too.


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Response Number 10
Name: mitreviper
Date: June 14, 2009 at 02:15:38 Pacific
Reply:

Hi, I have encountered similar problem and just managed to solve it.

Got myself new set of speakers with a better freq. range than my old one. However, there is some noise "Ta ta ta ta .. at times when the harddisk is running"

Finally solve it by taking the power for the speaker from another power point in the house instead of from the multi-socket sharing power to the CPU, monitor... printer... etc.

So try using another power point to remove the noise. Good Luck.


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Response Number 11
Name: mitreviper
Date: June 14, 2009 at 03:09:52 Pacific
Reply:

Hi ya,

Its me again, apparently after further investigation, you have to make sure the thing that controls the volume of the speaker does not touch the CPU . To be safe, as little of items belonging to the speaker to touch the casing of the CPU. Ops...

Cheers !!


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