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 Victor In Munich,

    Victor In Munich Victor In Munich Sep 23, 2012 7:48 AM in response to pepper_chico
    Level 2 (151 points)
    Mac OS X
    Sep 23, 2012 7:48 AM in response to pepper_chico

    Going to Linux or Windows isnt the solution I need, Not really a helpful answer.

     

    Personally, I have never had this problem before ML, and I have been using Mac on various hardware and OS versions for many a year.

  • by FrederikY,

    FrederikY FrederikY Sep 23, 2012 7:49 AM in response to pepper_chico
    Level 1 (0 points)
    Sep 23, 2012 7:49 AM in response to pepper_chico

    I believe in Apple! They'll fix it.

     

    be optimistic

  • by Crimguy,

    Crimguy Crimguy Sep 23, 2012 7:50 AM in response to pepper_chico
    Level 1 (0 points)
    Sep 23, 2012 7:50 AM in response to pepper_chico

    that's really useful pepper.  Thanks ;-D

     

    I already have ubuntu running on mine, but I'd like to get the MacOS back.  I could always go to Microsoft for an OS too, you know . . .

  • by FrederikY,

    FrederikY FrederikY Sep 23, 2012 7:52 AM in response to Victor In Munich
    Level 1 (0 points)
    Sep 23, 2012 7:52 AM in response to Victor In Munich

    Ich bin vollkommen deiner Meinung! Ich hatte bisher nie Probleme mit Apple, und das nun schon seit einigen Jahren! Ich finde es zwar blöd, was jetzt mit meinem iMac passiert ist, aber ich denke, dass Apple das wieder hinbekommt.

    Windows ist keine alternative…und für mich als iOS Entwickler bin ich auf Xcode angewiesen - und somit auf Mac Os

  • by Crimguy,

    Crimguy Crimguy Sep 23, 2012 7:53 AM in response to FrederikY
    Level 1 (0 points)
    Sep 23, 2012 7:53 AM in response to FrederikY

    Frederik - before you believe too much, please keep in mind that Apple borked the graphics drivers on my 2007 iMac when 10.6.3 was released (in March, 2010!) and still hasn't acknowledged or fixed it.  I have to manually install the 10.6.2 drivers every time there is an OS update.

     

    https://discussions.apple.com/thread/2384136?start=1215&tstart=0

     

    Sometimes they don't fix anything . . .

  • by macmadam,

    macmadam macmadam Sep 23, 2012 8:42 AM in response to tttxx
    Level 1 (0 points)
    Sep 23, 2012 8:42 AM in response to tttxx

    Hi, I spent about an hour on the phone with an Apple tech the other day and I posted the results at: https://discussions.apple.com/message/19668032#19668032

     

    Essentially, because I have migrated across many platforms and mac machines, there were a lot of third-party compnents in my Quicktime Library that were causing the stuttering. I was even getting this in iTunes. Anyway, my problem was solved via Apple techs. Hope you find it useful. Good luck.

  • by LouFace,

    LouFace LouFace Sep 23, 2012 8:57 AM in response to macmadam
    Level 1 (0 points)
    Sep 23, 2012 8:57 AM in response to macmadam

    We've already had this posted on here, and as I already said, this is not just an issue with quicktime, it is a system wide problem; I am affected on netflix for example.

  • by FrederikY,

    FrederikY FrederikY Sep 23, 2012 9:19 AM in response to LouFace
    Level 1 (0 points)
    Sep 23, 2012 9:19 AM in response to LouFace

    wait…macmadam said: "I was even getting this in iTunes"

    so I gave It a try…but it did not work

    same stuttering in eyeTV.

    I got  an answer of eyeTV support, they want additional information. So let's hope they have a solution

  • by pepper_chico,

    pepper_chico pepper_chico Sep 23, 2012 2:58 PM in response to FrederikY
    Level 1 (0 points)
    Sep 23, 2012 2:58 PM in response to FrederikY

    I still see it as an alternative for iOS/Mac Developers. Just squeeze this lame OS to a secondary minimum size partition just for the sake of firmware updates and developing iOS stuff, when you need. Use an OS that works and is seriously supported for the rest.

     

    You may have never had any problems with Apple stuff, but the time has come anyway. As for all those people lost in forums that can be seen throughout the years.

  • by Pink Mink,

    Pink Mink Pink Mink Sep 23, 2012 3:10 PM in response to pepper_chico
    Level 1 (0 points)
    Sep 23, 2012 3:10 PM in response to pepper_chico

    One thing that is coming out of the back of this is my annoyance that I no longer trust an Apple product. My first iMac, my MacBook, my current iMac running Lion, my iPhone's and iPods have all worked flawlessly, but releasing an operating system, not just an app, but an operating system that shafts you and affects your business is causing some serious questions for me.

     

    Had a stack of work to complete this afternoon, instead I spent it watching my mouse lag across the screen then freeze on numerous occasions before crashing.

  • by AkiraKarikaze,

    AkiraKarikaze AkiraKarikaze Sep 23, 2012 3:23 PM in response to FrederikY
    Level 1 (0 points)
    Sep 23, 2012 3:23 PM in response to FrederikY

    The problem is already around 10.6.5 and there is still no solution..

    I'm stuck with the same Problem.

  • by pepper_chico,

    pepper_chico pepper_chico Sep 23, 2012 3:29 PM in response to Pink Mink
    Level 1 (0 points)
    Sep 23, 2012 3:29 PM in response to Pink Mink

    I think you have already heard about the new iOS Maps. I see nothing trustworthy in this kind of behavior.

  • by i.campbell,

    i.campbell i.campbell Sep 23, 2012 3:37 PM in response to tttxx
    Level 1 (0 points)
    Sep 23, 2012 3:37 PM in response to tttxx

    Honestly, I think I'll give it to 10.8.3 -- 3rd time lucky, who knows? If it isn't sorted by then, I'm going straight to Digg, Reddit and the utterly merciless Register. It's going to be nigh on impossible for Apple to pretend the problem doesn't exist then.

     

    I think the lesson I'm taking away from this sorry episode is to ignore 10.9 until it is documented as being stable.

  • by FrederikY,

    FrederikY FrederikY Sep 24, 2012 4:46 AM in response to tttxx
    Level 1 (0 points)
    Sep 24, 2012 4:46 AM in response to tttxx

    Do you think exchanging the sound card could solve the problem?

    There is now a new Apple Store very close to me, so I could bring my iMac to the Genius Bar...

  • by LouFace,

    LouFace LouFace Sep 24, 2012 4:50 AM in response to FrederikY
    Level 1 (0 points)
    Sep 24, 2012 4:50 AM in response to FrederikY

    I don't know about you, but I refuse to pay money to fix this problem when it cost me £13.99 to buy the software which caused the problem.

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