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Windows 7: Distorted and crackling audio


28 Apr 2014   #1

Windows 7 Home Premium 64-Bit SP1
 
 
Distorted and crackling audio

I've recently noticed that the sound coming through my speakers is heavily distorted and crackly. It's not the speakers themselves; they have been tested. I thought that the port might be loose, but it happens with anything plugged into the front jack as well. The Audio Troubleshooter from Microsoft claims no issues; I have attempted to uninstall and then reinstall the latest Realtek HD Audio drivers, and seen no improvements. I'm at a loss as to what else it could be.

A .txt file of my Speccy output is attached.

Thanks!



Attached Files
File Type: txt PATTINSON-PC.txt (237.5 KB, 3 views)
My System SpecsSystem Spec
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28 Apr 2014   #2

Windows 7 Ultimate 64 bit
 
 

This can be a frustrating problem to find a solution. I once had the problem with an old Creative sound card and a driver update resolved it. That was the easy solution. The harder diagnosis is with interference. You may have interference coming into your system from elsewhere, or it may be internal or coming from the motherboard itself. You can look at the problems others have had at this link to see how some found it frustrating to diagnose and solve.

I would first try removing possible sources of interference. What other devices do you have connected to the power strip the computer is plugged into? If you have a phone, printer, or scanner plugged into the same power strip, plug them into another strip or a different circuit altogether in your home. You also may try shutting down the system and making certain all internal cards and wires are firmly connected. Over time some things can work themselves loose somewhat especially if you've recently moved the system for any reason.

Hope this helps lead you to an idea that will resolve the problem. Good luck.
My System SpecsSystem Spec
28 Apr 2014   #3

Windows 7 Home Premium 64-Bit SP1
 
 

I tried unplugging the All-In-One printer from the power strip shared by the speaker system, PC tower and Monitor; this made no difference. Everything inside the tower seems secure and as it should be. I can't figure it out.
My System SpecsSystem Spec
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29 Apr 2014   #4

Windows 7 Ultimate 64 bit
 
 

When did you first notice this occurring? Can you think of anything you may have changed recently on the system, for example the graphic card drivers? Do you have access to an audio card that you could install and then disable the onboard audio to see if this would resolve the issue? Also, the simplest of things which you've probably already done, check all of your volume controls (your media player,Windows volume mixer, Realtek). I wouldn't have any of them above 75%.

I've upgraded sound and graphic cards many times and with Creative cards found that the order of installation of drivers could have this effect. Whenever installing a new audio card I'd need to do the opposite of what I considered the normal order and install the Creative audio driver before the graphic card driver (one reason I left Creative products, too many oddities and bugs). Anyway, you might try uninstalling both your graphic and audio drivers then installing the audio first, leaving the generic Windows graphic driver to do the graphics while testing to see how the sound on the system is.
My System SpecsSystem Spec
29 Apr 2014   #5

Windows 7 Home Premium 64-Bit SP1
 
 

I don't have access to a audio card to test that; I'll try reinstalling the graphics and audio drivers to make sure.
My System SpecsSystem Spec
29 Apr 2014   #6

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

Do you have a wired or Wi-Fi internet connection? Wi-Fi has been one of the known causes of popping and crackling audio.
My System SpecsSystem Spec
29 Apr 2014   #7

Windows 7 Home Premium 64-Bit SP1
 
 

Wifi; I unplugged the adapter to see if that made a difference, and it did not. I've uninstalled my audio and video completely, then reinstalled using the latest Realtek and AMD drivers (in that order), and still have the problem - a hissing, crackling noise in the background of videos and games, and straight up distortion on any other sounds. Short of going out and buying a sound card, I'm out of ideas.
My System SpecsSystem Spec
29 Apr 2014   #8

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

Although it may not make a difference, disable the Wi-Fi adapter in the Device Manager and see if that makes any difference.

Unfortunately there is no "one fix" for the problem. Drivers can be a cause, Wi-Fi can be a cause, power supply can cause this, etc.
My System SpecsSystem Spec
29 Apr 2014   #9

Windows 7 Home Premium 64-Bit SP1
 
 

The only other thing I can think of is maybe an issue with the jack port itself. I should maybe also mention that it only crackles and distorts sound coming from the right speaker, not the left one. Moving the speaker has no effect. The two speakers are connected by a wire.
My System SpecsSystem Spec
30 Apr 2014   #10

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

With this additional information, it would appear to be a front panel jack problem. Or, possibly the connection from the front panel to the motherboard. Reseat (with the PC powered off, unplug then plug back in) the motherboard connector for the front panel audio and see if that helps.
My System SpecsSystem Spec
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 Distorted and crackling audio




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