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Windows 7: Sound popping/cracking/interference

28 Jul 2010   #1

Windows 7 64bit
 
 
Sound popping/cracking/interference

Hi there.

First post, but you guys seem to know your stuff! I'm reviving an old computer currently and put Windows 7 64bit on it. I couldn't for the life of me get the onboard sound working (ASUS A8N-SLI Deluxe). So I went and bought an uber cheap PCI soundcard, this one in fact Asonic 4 Channel Soundcard C-media 8738 Chipset 3D - PCI | Ebuyer.com. Now I know it looks terrible, but it's only for use in an arcade machine so sound quality really isn't an issue as long is it's acceptable.

I bought the card because there are specific Windows 7 drivers on their website and the reviews states that people had great success getting the card to work in Windows 7, which is pretty great for the price. However, I installed the card last night, first using the Vista drivers that came on the supplied CD, and then uninstalling them and using the specific Windows 7 64bit drivers from the manufacturers website (C-Media). The result however, was the same. This incredible annoying and repeating (around) 1 second loop of popping and scratching. It sounds a bit like interference.

I've checked the speakers themselves, all fine there, so it's definitely to do with the computer. Something that I have noticed that I'm guessing is the culprit, is that if I monitor the levels when there's any playback, the microphone level (or any selected default input device) jumps around in levels. However, even if I mute or remove all input devices such as Mic or line in, it still happens. In fact, even when I mute the speakers output it still happens. Weird, right?

The sound specifically happens when something is done that requires sound output. If I just let the computer sit there with no applications open, then there's no sound or interference at all. The interference sound sound plays over the regular sound output, which is present. It also happens if Windows Media Player is just even open, not playing anything.

I really hope you guys can help me out, it's for an arcade machine project I've got going that's near completion and looking rather good! Thanks!

My System SpecsSystem Spec
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28 Jul 2010   #2

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit
 
 

If you look over the hundreds of posts on this forum about your problem there are many potential causes. Drivers are one. Having the sound on particular shared IRQ's is another. Video card interference is another. Wireless connections are another, having a cordless or cell phone near the PC is another, etc, etc.

Bottom, line there is no "one fix" for the problem, each potential has to be eliminated.
My System SpecsSystem Spec
28 Jul 2010   #3

64-bit Windows 8.1 Pro
 
 

Quote   Quote: Originally Posted by fireberd View Post
If you look over the hundreds of posts on this forum about your problem there are many potential causes. Drivers are one. Having the sound on particular shared IRQ's is another. Video card interference is another. Wireless connections are another, having a cordless or cell phone near the PC is another, etc, etc.

Bottom, line there is no "one fix" for the problem, each potential has to be eliminated.
Well said!
My System SpecsSystem Spec
.


28 Jul 2010   #4

Windows 7 Ultimate 64bit
 
 

Quote   Quote: Originally Posted by fireberd View Post
If you look over the hundreds of posts on this forum about your problem there are many potential causes. Drivers are one. Having the sound on particular shared IRQ's is another. Video card interference is another. Wireless connections are another, having a cordless or cell phone near the PC is another, etc, etc.

Bottom, line there is no "one fix" for the problem, each potential has to be eliminated.
How would one eliminate each one then? I think my issue is to do with my video card, but not sure.
My System SpecsSystem Spec
31 Jul 2010   #5

XP/ Win 7-64
 
 

Came across this issue while upgrading a client's notebook and pc to windows 7 both had C-media audio. The fix (which I think I found on this forum) had something to do with disabling a setting found in the sound properties for c-media audio. I cant recall the correct steps but as soon as I find it I'll pass it on.
My System SpecsSystem Spec
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