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Sound progressively gets worse

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cackai2

cackai2

Joined
Dec 19, 2012
Messages
11
Motherboard
ASrock Extreme4 Z77
CPU
Intel i5 3570k
Graphics
EVGA 560 Ti
Mac
  1. iMac
Classic Mac
  1. 0
Mobile Phone
  1. iOS
Hey guys!

Having a bit of a sound problem. Upon boot up, the sounds works fine, but after ~5 minutes of playing, the music becomes distorted and sometimes static. I've re-installed the audio kext several times (realtek 898 or something similiar) but it still persists. Never had this problem on 10.8.5, so it must be Mavericks or a broken kext :(

Setup:
Intel core i5-3570k
ASrock Z77 Extreme4
EVGA 560 Ti
 
Are you using Chrome to play music with USB audio output by any chance? If so, there's a known bug in Chrome about this. Selecting a different audio output from System Preferences and then choosing your normal output again will work around the problem until it gets fixed upstream in Chrome.
 
mrbubbles said:
Are you using Chrome to play music with USB audio output by any chance? If so, there's a known bug in Chrome about this. Selecting a different audio output from System Preferences and then choosing your normal output again will work around the problem until it gets fixed upstream in Chrome.
Click to expand...

EDIT: Yea, the problem is chrome haha. Just did what you mentioned and it fixed the audio. Thanks a ton!

Is there a fix by chance so I don't have to keep re-doing it?
 
This problem drove me NUTS in mountain lion! It's not a Mavericks issue, and I don't think it's a Chrome issue, as I've experience this in iTunes as well. The "fix" above does not really isolate the issue (or point to chrome) as you're just switching it for your entire system.

Just to review, my audio would sound perfect for 5-10-15 minutes or so before it would start to distort. The distortion would grow increasingly worse, until it was unbearable after about 3 minutes. Pausing the audio track, or video track, for 5-10 minutes seemed to "reset" the audio, but upon pressing play again, you could expect the distortion to return within a few minutes.

After lots of time moving extensions, deleting, kexts, replacing kexts, and repairing permissions, I finally gave up when Mavericks came out.

My solution, I deleted all of my kexts in mountain lion (in the extensions folder), did a fresh install of Mavericks, but during install I migrated my entire Mountain Lion system (sans kexts). Is that still considered a fresh install? oh well.

I haven't heard ANY distortion in the days since I've upgraded to Mavericks.

Summary: I could not isolate the problem kext(s) in ML, so I just nixed all kexts, and started with a fresh "extensions" folder when installing Mavericks (even though I migrated the rest of my ML system during the install process). Seems to have worked.
 
noticing the Z77 trend in this thread, btw...
 
cackai2 said:
Hey guys!

Having a bit of a sound problem. Upon boot up, the sounds works fine, but after ~5 minutes of playing, the music becomes distorted and sometimes static. I've re-installed the audio kext several times (realtek 898 or something similiar) but it still persists. Never had this problem on 10.8.5, so it must be Mavericks or a broken kext :(

Setup:
Intel core i5-3570k
ASrock Z77 Extreme4
EVGA 560 Ti
Click to expand...

I read about a similar issue, the fix was to go into preferences under AUDIO/MIDI and try setting it to either 48MHz, or 96MHz (cant remember the exact two choices but very similar) -there were only two choices, it was suggested to try either/both and was said that would fix the problem.

ok - found it

"Go into Audio MIDI Setup, and change your output sampling rate to 48kHz or 96kHz.
That should solve your problem. If one doesn't work, try the other.

/ gx"

http://www.tonymacx86.com/audio/111...ins-static-distort-10-8-5-a-2.html#post681809
 
jokestr said:
This problem drove me NUTS in mountain lion! It's not a Mavericks issue, and I don't think it's a Chrome issue, as I've experience this in iTunes as well. The "fix" above does not really isolate the issue (or point to chrome) as you're just switching it for your entire system.

Just to review, my audio would sound perfect for 5-10-15 minutes or so before it would start to distort. The distortion would grow increasingly worse, until it was unbearable after about 3 minutes. Pausing the audio track, or video track, for 5-10 minutes seemed to "reset" the audio, but upon pressing play again, you could expect the distortion to return within a few minutes.

After lots of time moving extensions, deleting, kexts, replacing kexts, and repairing permissions, I finally gave up when Mavericks came out.

My solution, I deleted all of my kexts in mountain lion (in the extensions folder), did a fresh install of Mavericks, but during install I migrated my entire Mountain Lion system (sans kexts). Is that still considered a fresh install? oh well.

I haven't heard ANY distortion in the days since I've upgraded to Mavericks.

Summary: I could not isolate the problem kext(s) in ML, so I just nixed all kexts, and started with a fresh "extensions" folder when installing Mavericks (even though I migrated the rest of my ML system during the install process). Seems to have worked.
Click to expand...

UPDATE: I've had great sound for a week after the mavericks install, but now the dreaded distortion is back! on all of these threads, it seems to only be folks with Z77 boards that are having this issue. On that note, I've never had any sound issue on my other, non Z77 board (P55m board)
 
A Static noise problem is well known. It appeared in 10.8.4.
Just Disable in Chrome local Flash plugin and leave General Flash plugin enabled.
The problem is a local Chrome flash plugin.
Not the OSX and an audio driver.

1. Go chrome://plugins in Chrome.
2. Then click "Details" at the top right corner.
3. Disable the plugin that located at the local Chrome folder.
4. Close and restart app
 
Build 1
GA-Z77-DS3H |  i7 2600K |  GeForce GTX 570
Build 2
GA-Z170M-D3H |  i7 6700K |  Radeon R9 280x
Mangad - thank you for the help. Sound is a known issue for what? Specifically on Z77 boards, or just on hackintoshes in general?

I also need a bit more clarification on step 3, which plugin exactly should I disable? I see two adobe flash plugins, one with an address to my /applications folder, and one to my /library...this tells me that they are both local.

How do I know which one to disable?

thanks again.
 
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