tttxx
Level 1 (10 points)

Q: Sound stuttering after Mountain Lion install

Dear community,

 

after having installed OSX Mountain Lion my sound startet stuttering whenever there is rapid movement on my screen.

This includes e.g. window movement, scrolling through image loaded websites or video playback (flash player, quicktime).

A restart didn't help. I'm using stereo output, not digital.

 

I have connected a second monitor but the problem persists after disconnecting it. Movement on the second monitor also causes the sound to stutter.

My GPU Diode temperature is at 85°C (there is some bug that keeps the GPU under load while a second monitor is connected AFAIK), but I guess it was the same under Snow Leopard.

 

In Snow Leopard the sound output was always perfect even under heavy load or heavy HDD I/O.

 

Any ideas?

iMac (27-inch Mid 2011), OS X Mountain Lion

Posted on Jul 28, 2012 5:55 AM

by Studio Engineer,Solvedanswer
Studio Engineer Studio Engineer
Level 2 (445 points)
A:

deluxeczech wrote:

 

I, too, am having this sound stuttering problem...and it all started after I upgraded to 10.8.  :-(    I have a 27" 3.1 GHz Intel Core i5 with 16GB of memory.  (My husband has an older 2009 model of the 27" and he is having the sound stuttering problem since ML too).  I can promise you that we had no such problems before upgrading, and are not ones to constantly install new software/games/etc.  We do both play World of Warcraft but have done so for a few years on our various Macs.  We don't listen to music or watch videos much on our desktops, so I cannot speak to other sound problems, but when playing WoW and using Ventrilo, there are occasional stuttering instances.  It is not very consistent (that is, always does it during X or Z).  In fact, using Ventrilo tonight and had no problems, but a week ago experienced stuttering when someone else was talking. 

 

I do wish Apple would AT LEAST release a statement acknowledging this issue.  We both work in IT development, so we understand that there are sometimes mystery problems that take time to troubleshoot.  NOT saying anything, however, just makes the company seem uncaring of its customers.  Personally, I would be a bit more content if I KNEW that Apple KNEW and that they were looking into it.

 

While not an ideal situation, it's good to know we are not alone in this...

 

 

Your problems will most likely be related to OS X "sandboxing" just about anything you do.... Sandboxing was supposed to be a "coherent" feature. But wound up being a total performance killa... Apple have been working on this issue a LONG time since 10.8.2.... hence them releasing more betas of 10.8.3 than (I think) any other beta OS X before that... A HUGE problem causing havoc with almost ALL 3rd pty. high performance software..

 

If you are a CRACK... You can google-search (goes beyond this here thread) ways of "overwriting" what OS X regards as "Items/processes which should be sandboxd"... To STOP this non sense...

 

We had to manually delete A LOT of files on the OS to get our system running to accommodate a pro-environment. Even "Files" that Apple forgot to delete themselves.......(Do the G-search or this thread WILL be deleted... hence me NOT going into details)

 

What COULD help you is to safe-boot ONCE and log in.. Then boot normally.. That in MANY cases will take of the problems (short-sighted-ly)... Each time you re-experience the issue... Redo aboe

 

IHTH

Posted on Mar 9, 2013 8:15 PM

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Q: Sound stuttering after Mountain Lion install

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  • by lindyloo_bates,

    lindyloo_bates lindyloo_bates Oct 12, 2012 4:37 AM in response to tttxx
    Level 1 (0 points)
    Oct 12, 2012 4:37 AM in response to tttxx

    Another disappointed mac owner for the list, i'm running mid 2010 3.2Ghz i3 model

  • by BarrettF77,

    BarrettF77 BarrettF77 Oct 12, 2012 7:40 AM in response to lindyloo_bates
    Level 1 (45 points)
    Oct 12, 2012 7:40 AM in response to lindyloo_bates

    I'm seeing others with macbooks, older iMacs, and the new macbook pros saying they have the issue.  So it's obviously strictly software related.  It has to be component manufacturer differences, aka, ML has drivers that work for some logic board brands and other boards aren't fully supported. 

     

    Almost a quarter of a year that ML has been out and we are still waiting.  Patience has run out.

  • by BarrettF77,

    BarrettF77 BarrettF77 Oct 12, 2012 7:57 AM in response to BarrettF77
    Level 1 (45 points)
    Oct 12, 2012 7:57 AM in response to BarrettF77

    Just had another kernel panic.

     

    Really hate this OS

  • by BarrettF77,

    BarrettF77 BarrettF77 Oct 12, 2012 9:08 AM in response to BarrettF77
    Level 1 (45 points)
    Oct 12, 2012 9:08 AM in response to BarrettF77

    Just started a restore from my time capsule back to Lion 10.7.4.  I've lost all faith in apple.  Garbage company. 

  • by BarrettF77,

    BarrettF77 BarrettF77 Oct 12, 2012 10:54 AM in response to BarrettF77
    Level 1 (45 points)
    Oct 12, 2012 10:54 AM in response to BarrettF77

    Restore is completed.  Making a few updates to bring the machine back to where it was before.  But so far an hour and the machine is working like a charm!  Lion = Win  Mountain Lion = Fire the OSX Dev team.  Much happier now!

  • by MoogNinja,

    MoogNinja MoogNinja Oct 12, 2012 12:56 PM in response to tttxx
    Level 1 (0 points)
    Oct 12, 2012 12:56 PM in response to tttxx

    I'm doing a clean reinstall this whole weekend on all computers to roll back. :(

     

    I realized I own Lion on my MacBook Pro, BUT it only came with Snow Lep install disc!!  Because Lion is all ethereal now and can't even be downloaded. So I can't even get a copy of what I own! I called apple and they don't care and won't give me a copy. Obviously they planned all this years back. They are so infuriating. It's one thing to have a master plan. Another thing to have a master plan that DOESN'T WORK that you stick to ridgedly.

     

    I really need a Lion install DVD.  I own it.  If anyone still has an image they can Dropbox me.

  • by i.campbell,

    i.campbell i.campbell Oct 12, 2012 2:03 PM in response to MoogNinja
    Level 1 (0 points)
    Oct 12, 2012 2:03 PM in response to MoogNinja

    Moog,

     

    10.7.3, dated 7 Feb 2012 on my system. 4.07 GB. I don't use it anymore because that system is not so essential and will continue to run OS X Devon Rex (as I now call it), so you can have my redundant Lion. Contact me at istrain@mo-fu.net and we'll take it from there.

     

    Edit: I'm just uploading a zipped copy of the app folder now to some web space. It's huge and will take about 12 hours on my ADSL.


  • by BarrettF77,

    BarrettF77 BarrettF77 Oct 12, 2012 2:58 PM in response to KrisEberle
    Level 1 (45 points)
    Oct 12, 2012 2:58 PM in response to KrisEberle

    I've been back on lion for the majority of the day today.  I can say that it is running without audio stutters now.  Glad I can use the computer again.  This will also be my last Apple computer.  Good job Apple, you succeeded.

  • by Carlo TD,

    Carlo TD Carlo TD Oct 12, 2012 3:01 PM in response to BarrettF77
    Level 3 (558 points)
    Oct 12, 2012 3:01 PM in response to BarrettF77

    You should now reinstall Mountain Lion to test your hypotheses and see if there are any problems in Mountain Lion. (I think it would be very interesting to hear the results.)

  • by BarrettF77,

    BarrettF77 BarrettF77 Oct 12, 2012 3:06 PM in response to Carlo TD
    Level 1 (45 points)
    Oct 12, 2012 3:06 PM in response to Carlo TD

    Carlo, you and I both know the answer.  It's been stated by others in threads on here that it does come back when you install Mountain Lion.  And since Apple refunded my money for Mountain Lion, why in the world would I ever give them a cent more for that pice of junk.  So I don't have notifications, messages, and social networking integration. Those features are silly little add ons that have absolutely no value.  Mountain Lion should have been an incremental update to Lion, not a new OSX release.

     

     

    New feature for 10.9 will be what they put in 10.8, but it will actually work.  Other new features will be a curser on screen that remains a beachball and won't let you click on things coupled with silent mode.  Silent mode will have your compter shut its fans off so it can overheat and make your hardware fail. 

     

    In all seriousness, revert if you can.  Otherwise, keep hammering apple.  I'm more excited to put windows on my macs now than anything.  This was the last straw for me and I'll never come back. 

  • by Carlo TD,

    Carlo TD Carlo TD Oct 12, 2012 3:18 PM in response to BarrettF77
    Level 3 (558 points)
    Oct 12, 2012 3:18 PM in response to BarrettF77

    watch out for aligators.

  • by apps2012,

    apps2012 apps2012 Oct 12, 2012 8:55 PM in response to BarrettF77
    Level 1 (5 points)
    Oct 12, 2012 8:55 PM in response to BarrettF77

    Barrett, I'm with you. This would be my last Mac Pro. I could not beleive this OS caused so much problems to Apple customers. From disk crash, slowness... etc.... waist a lot of time.

  • by BarrettF77,

    BarrettF77 BarrettF77 Oct 12, 2012 8:59 PM in response to apps2012
    Level 1 (45 points)
    Oct 12, 2012 8:59 PM in response to apps2012

    Sometimes the only way to speak to a company is with your wallet.  Perhaps when they have to let some staff go because the customers just aren't buying like they used to they will wake up.  But I doubt this.  They are so arrogant and self absorbed they would probably rather run the company into the ground than admit fault.  Who knows, maybe we are typing on the keyboard wrong and that's why it is happening...

  • by idontcarejustletmein,

    idontcarejustletmein idontcarejustletmein Oct 13, 2012 1:48 PM in response to Pastafarianza
    Level 1 (5 points)
    Oct 13, 2012 1:48 PM in response to Pastafarianza

    Apple doesn't read these board. The boards are for users to discuss and help each other out.

     

    Use the feedback page if you want to give feedback.

     

    BTW for users that have trouble with audio stuttering in VLC, try COMPLETELY uninstalling VLC - I used Forklift but AppCleaner should work too. Make sure you nuke all the config files. Then download and reinstall VLC. No idea what is going on but it appears to work for me.

  • by Pink Mink,

    Pink Mink Pink Mink Oct 13, 2012 2:07 PM in response to idontcarejustletmein
    Level 1 (0 points)
    Oct 13, 2012 2:07 PM in response to idontcarejustletmein

    Just thought I'd add that Apple do read these forums. They contacted me following up on the comments I posted on here using the contact details associated to my account

     

    Use both methods to raise the issues - forums and feedback forms. Posting issues on here helps promote just how serious the problem is and highlights how poor Apple's QA test team were in this instance.

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