Mute does not work/metallic sound after a while

[i-am-the-slime]

Now I got everything working except that mute button. Does any of you have a fix for that?

[tkrotoff]

Found this on the subject:

• Gigabyte DS3H Mute Button not Working
• Z77-DS3H Hackintosh Build
• Updated (Mute Fix) AppleHDA 10.8.3 ALC887
• Script to patch AppleHDA binary for osx10.7/10.8
• AppleHDA patching in Mountain Lion

[i-am-the-slime]

I actually found a fix yesterday at night but was too tired to mention it here.
Instead of using Multibeast for the sound drivers I uninstalled the AppleHDA.kext and the HDAEnabler1.kext (I'm not exactly sure about that name).
Then I got two files from your third link http://www.osx86.net/view/3453-updated_applehda_10.8.3_alc887.html
These were:
HDAEnabler888b.kext.zip and AppleHDA.kext.zip
I installed them with kext wizard: http://dl.dropbox.com/u/7085278/Kext_Wizard/download.html
I repaired permissions and after a reboot, everything worked!

[tkrotoff]

I re-open the issue since I prefer to patch AppleHDA instead of relying on kexts

[i-am-the-slime]

Isn't AppleHDA a kext?

[tkrotoff]

Yes it is.
The idea is that I prefer to patch the original AppleHDA kext that sits on my computer instead of relying on a kext that somebody else has patched.

Why is that? because it could break.

Imagine the patched kext made by somebody else was done using OS X 10.8.3
You have OS X 10.8.1 or 10.8.6 on your computer => the patched kext won't probably work.
Instead it is better to run a script that will patch your AppleHDA kext.

[tkrotoff]

I've tried to patch AppleHDA.kext myself without success.
My steps:

• Patch MacOS/AppleHDA using Script to patch AppleHDA binary for osx10.7/10.8
• Use files Info.plist, Platforms.xml and layout99.xml extracted from Updated (Mute Fix) AppleHDA 10.8.3 ALC887, see commit 429a1c9

I've also used New HDA Wizard for Mountain Lion 10.8 (beta)

I get a AppleHDA.kext almost identical to the one from Updated (Mute Fix) AppleHDA 10.8.3 ALC887. Still it does not work :/

The one from Updated (Mute Fix) AppleHDA 10.8.3 ALC887 works beautifully.

Any idea what I have done wrong?

[i-am-the-slime]

I made a diff of the original and the patched binary files. If you want me to, I can send it to you. However, I think the patched one that you said works beautifully broke the line in for me. I'm not sure, though.

[tkrotoff]

I use FileMerge from XCode to see the diffs between kexts so I guess I don't need your diff.
I don't understand how they generate the 3 important files Info.plist, Platforms.xml and layout99.xml.
For the line in I've never used it.

[tkrotoff]

Done some more researches, found interesting stuffs:

• AppleHDA for ALC887 - (Mountain Lion 10.8.5) 2.4.7fc2
• Updated (10.8.5) AppleHDA ALC887 2.4.7fc2
• ALC885, ALC887, ALC888, ALC889, ALC892, ALC898 1.0
• OS X Realtek ALC885 through ALC898 Onboard Audio
• OS X Realtek ALC887 Onboard Audio

toleda seems to be the guy behind all the great AppleHDA.kext modifications.

[tkrotoff]

Fixed using MultiBeast 5.5.5 and Mountain Lion 10.8.5

[i-am-the-slime]

Are you sure? Are you not running Mavericks? I still have no mute with MultiBeast 6.0.1. Should I try 5.5.5 on Mavericks?

[tkrotoff]

I've upgraded from Mountain Lion 10.8.4 to 10.8.5, no 10.9 yet :)
And I don't know which version of MultiBeast contains the fix (between 5.3 and 5.5.5).
For 10.9 you should use MultiBeast >= 6

[tkrotoff]

Spoke too quickly :/ crackling, metallic sound after a while
Not the only one:

• Static noise develops, sound volume diminishes, and audio stops working? GA-Z77-DS3H Multibeast 5.5 OSX 10.8.5 Unibeast 2.1
• Z77X-UD5H - Realtek 898 - OS X 10.8.5 Audio issues
• Noisy, poor audio on GA-Z77-D3H with 10.8.5 and latest MB
• Audio problems update ML 10.8.5 in GA-Z77-DS3H (rev. 1.0)

The best solution seems to be install audio from MultiBeast 5.4.3 (Mountain Lion 10.8.4 AppleHDA.kext)

[tkrotoff]

Main topics by toleda:

• Mountain Lion Realtek ALC AppleHDA Audio
• Mavericks Realtek ALC AppleHDA Audio

[moriarty]

I'm also experiencing the audio quality degrade quickly over time.
Any suggestions?

I used MultiBeast 5.5.0 and am running OS X 10.8.5. Everything else has been working great, the issue #1 was huge help for me. I only recently plugged speakers into my machine and realized the audio wasn't working.

Thanks

[tkrotoff]

@moriarty as written above, "The best solution seems to be install audio from MultiBeast 5.4.3 (Mountain Lion 10.8.4 AppleHDA.kext)"

[moriarty]

@tkrotoff thanks!

[bestimmaa]

I'm having the same problem running OS X 10.9.1 and the latest MultiBeast 6.1 audio drivers. Someone in the tonymac forum pointed my to Google Chrome as a source of the problem - and he seems right. Deleting chrome from my hackintosh solved it. However this is not a solution ;) Can anybody confirm that the older drivers from MB 5.4.3 play nice with Chrome on 10.9.1? See bestimmaa/hackintosh#5 for details .

[JakobR]

I had the crackling noise problem on 10.8.5 as well, for me this solution has worked:

My solution for this problem is changing output format from 44100,0 Hz to 96000,0 Hz using Apple's "Audio MIDI Setup". So I have not experienced any problems for 2 weeks.

[bestimmaa]

This seems like something to try for the builtin realtec audio. Strange enough I experienced this issue with a USB soundcard from Creative that only allows setting 44,1KHz as sampling rate too :(

[moriarty]

I also used the solution mentioned by @JakobR it was one of the solutions mentioned in the link @tkrotoff shared.. But I'm using the built-in audio

[i-am-the-slime]

Alright, so I don't know if this helps with the metallic sound (have not reproduced it yet, so I think it's fixed) but it fixes mute for sure. Instead of using Multibeast download https://github.com/toleda/audio_ALC887 and run audio_alc887-92_patch.command . Provided you have the native AppleHDA.kext (version 2.6.0 for 10.9.2) this will patch it and you will have working sound including mute after a reboot.

[tkrotoff]

I don't know if this helps with the metallic sound

It does not help :/ (tested with OS X 10.8.5)

[tkrotoff]

I've changed my system definition from MacPro3,1 to iMac13,2 as suggested here => does not solve the metallic sound. Btw don't do that, you will get a performance drop.

However, changing the audio output format as suggested in the same thread works fine for now.
Instructions:

• Launch Applications / Utilities / Audio MIDI Setup.app
• Inside Built-in Output, change format from 48000.0 Hz to 96000.0 Hz

(OS X 10.8.5 + MultiBeast 5.5.5)

[tkrotoff]

I didn't encounter the issue for months: it was a Chrome issue and it has been fixed \o/