Contribute
Register

Any fix to the Garbled/Distorted Headphone issue?

Joined
Feb 21, 2014
Messages
50
Mac
Classic Mac
Mobile Phone
From what I've read this is mostly an issue with Haswell CPU's

I have a Dell 7547 with ALC 255

Speakers work fine,

Headphone only sounds good if I mute one channel or slide the slider far left or far right...

If you leave the audio as is, everything sounds garbled and noisey....
 

RehabMan

Moderator
Joined
May 3, 2012
Messages
191,422
Motherboard
Intel DH67BL
CPU
Core i7-2600K
Graphics
Intel HD 3000
Mac
MacBook Air
Mobile Phone
iOS
From what I've read this is mostly an issue with Haswell CPU's

I have a Dell 7547 with ALC 255

Speakers work fine,

Headphone only sounds good if I mute one channel or slide the slider far left or far right...

If you leave the audio as is, everything sounds garbled and noisey....
Audio: Best result with patched AppleHDA. Google 'patch AppleHDA guide'. Search for suitable AppleHDA or patch it yourself. Apply appropriate DSDT patches.

DSDT patches for patched AppleHDA are covered in the DSDT/SSDT patching guide: http://www.tonymacx86.com/yosemite-laptop-support/152573-guide-patching-laptop-dsdt-ssdts.html
 
Joined
Feb 21, 2014
Messages
50
Mac
Classic Mac
Mobile Phone
Audio: Best result with patched AppleHDA. Google 'patch AppleHDA guide'. Search for suitable AppleHDA or patch it yourself. Apply appropriate DSDT patches.

DSDT patches for patched AppleHDA are covered in the DSDT/SSDT patching guide: http://www.tonymacx86.com/yosemite-laptop-support/152573-guide-patching-laptop-dsdt-ssdts.html

Yes...

I have a patched HDA and followed your DSDT guide to the T.


When I searched for the issue I read that on one of your laptops You had the same issue with the headphone port...
 

RehabMan

Moderator
Joined
May 3, 2012
Messages
191,422
Motherboard
Intel DH67BL
CPU
Core i7-2600K
Graphics
Intel HD 3000
Mac
MacBook Air
Mobile Phone
iOS
Yes...

I have a patched HDA and followed your DSDT guide to the T.


When I searched for the issue I read that on one of your laptops You had the same issue with the headphone port...
Yes, it is a problem with the patched AppleHDA being used. I just haven't investigated it yet.
 
Joined
Feb 21, 2014
Messages
50
Mac
Classic Mac
Mobile Phone
@rehabman, You mentioned you fixed this in the "hd4400 fix" other thread could you maybe upload your codec commander kext or walk those of us with this issue through the process?


Thanks!
 
Joined
Mar 10, 2012
Messages
195
Motherboard
Dell XPS 8930
CPU
i5 8400
Graphics
UHD630+RX580
Mac
MacBook Pro
Mobile Phone
iOS
Same problem on my Dell 7548. Yours is ALC3234(0x255), right?
 
Joined
Nov 30, 2010
Messages
155
Motherboard
Alienware 17 R4
CPU
i7-7700HQ
Graphics
GTX 1070
Mac
MacBook Pro
Classic Mac
iMac
Mobile Phone
iOS
From what I've read this is mostly an issue with Haswell CPU's

I have a Dell 7547 with ALC 255

Speakers work fine,

Headphone only sounds good if I mute one channel or slide the slider far left or far right...

If you leave the audio as is, everything sounds garbled and noisey....
installing RehabMan's version of EAPD-Codec-Commander fixed this issue for me. I have a Dell 7537, and had the same headphone issues. Luckily for me, mine has ALC 283, so I did not have to edit the info.plist.
 
Top