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Sound stuttering after Mountain Lion install

138631 Views 1,216 Replies Latest reply: Mar 31, 2014 2:45 AM by Smekeling RSS Branched to a new discussion.
  • idontcarejustletmein Level 1 Level 1 (5 points)
    Currently Being Moderated
    Aug 13, 2012 4:07 PM (in response to tttxx)

    My ******* god. I never had so many problems on windows! (maybe because when I was using XP there was a 6 year gap between upgrades, but I digress)


    Anyway, how the **** can something like this happen? Apple controls the hardware and software. If this was a PC, fine, with half a zillion component configs, integration naturally ***** and problems are to be expected.


    This audio clipping out has been a reoccurring problem since I got this MacBook last year. Jesus.


    How hard is it to give AV applications max priority - with audio on the highest of course - on CPU time and I/O?

  • Carlo TD Level 3 Level 3 (550 points)

    Tough Love! I just did a Google search for "what is the cause of cracking sound in my computer" for you, and I found millions and millions of responses (majority of them are for windows computers).  Here is one of the very first links that come up: s-headphones .

  • pepper_chico Level 1 Level 1 (0 points)
    Currently Being Moderated
    Aug 13, 2012 4:45 PM (in response to Carlo TD)

    Hey Carlo, we know google, STOP! you are acting like a troll. I have no problems with static cracking noise or speaker problems.


    The main problem of this thread is STUTTERING.

    Audio stuttering, System stuttering, Stuttering whatever.


    I looks like a OS problem, e.g., I'm just with iTunes, that's it, ITUNES.


    It can't play music without stutterring every few seconds for 1s~3s.


    BUT it can stream (by radio) music and play without stuttering.


    Ocasionally I get mouse stuttering, but it's not so frequent, but I wasn't experiencing this till Mountain Lion. There are several reports about different kinds of stuttering while playing games, playing ripped dvd, playing music.


    So please, stop, and read.

  • Stephen Rumbelow Level 1 Level 1 (90 points)
    Currently Being Moderated
    Aug 15, 2012 6:56 AM (in response to tttxx)

    Hi guys,


    Seems like I have the same problem here too.


    I've been running ML since the beta stages and installed the release version the day it came out.


    I don't recall noticing my 2011 27" iMac getting as hot as it does since the first time I installed ML on it. Maybe it's co-incidence, but I'm quite sure it's not. The GPU diode is regularly up at high temperatures - over 70. I've used SMC fan control a few times to bring the temperatures back down.


    I've been playing full screen video through EyeTV a couple of times in the last week or so and the audio has begun to stutter. Pausing and un-pausing cures it for a few seconds until it resumes. When it happened today, the GPU diode was at 85C. The top of the computer too hot to hold your hand on for more than a few seconds. This is sometihng I've noticed a few times, as mentioned above, hence the use of SMC.


    I did have soundflower installed (although never used) so I removed that based on advice earlier in the thread.

  • MrSomeone Calculating status...
    Currently Being Moderated
    Aug 15, 2012 5:36 PM (in response to tttxx)

    2011 iMac and got some pretty serious clipping sounds in heavy 3D games like Dirt 2 and Diablo 3 (and less but still present clipping sounds on smaller games). I really hope this will be fixed in 10.8.1

    iMac (27-inch Mid 2011), OS X Mountain Lion
  • FrederikY Level 1 Level 1 (0 points)
    Currently Being Moderated
    Aug 16, 2012 12:42 AM (in response to tttxx)

    Same problem here! iMac 27" 2011 3,1 GHz…I hope 10.8.1 will fix this and will be released soon (Beta 12b13)!

  • djpeeal Calculating status...
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    Aug 16, 2012 12:59 AM (in response to tttxx)

    same problem here.. with new retina mbpro.. blah stutters in every program spotify, itunes etc.


    _coreaudio process jumps above 10% cpu time when stuttering occurs.

  • pepper_chico Level 1 Level 1 (0 points)
    Currently Being Moderated
    Aug 16, 2012 1:02 AM (in response to tttxx)

    At last I have my Samsung Galaxy Note to hear music, browse the web and play games without hiccups.

  • pepper_chico Level 1 Level 1 (0 points)
    Currently Being Moderated
    Aug 17, 2012 2:57 PM (in response to tttxx)

    Today I think I also have a confirmation that my macbook is getting warmer for no apparent reason. I'm just affraid this Mountain Lion will blow up sometime.

  • Lvivske Level 1 Level 1 (0 points)
    Currently Being Moderated
    Aug 17, 2012 3:00 PM (in response to djpeeal)

    Just an update guys, but since updating to 10.8.1 on my R-MBP, I haven't had any instances of audio stuttering


    I *think* my battery life has been adversely affected...but I've paid close attention to audio since taking the leap of faith and so far so good

  • markfrommississauga Calculating status...
    Currently Being Moderated
    Aug 17, 2012 6:09 PM (in response to Lvivske)

    I've given up on Mountain Lion for the time being, really glad I have a clone of my Lion install!  I really like the features of ML, but I never knew when the Audio hicup was going to happen!  And it really did feel like a heating issue, at least in the way the systen behaved!  like an older PC getting hit with a newer game and stuttering and chopping as things got busy!  Not the sort of behavior I expect from a 1 year old iMac with an i7 processor and a 2 GB video card!

      Also I couldn't seem to find a 10.8.1 update for my iMac, unless it was one of the iPhoto updates I encountered.

    Meanwhile it's back to lion, I can listen to a Podcast, watch, even watch my EyeTV without any problems!

      I just wish I could get my money back, even if it was only $20.00!!

  • pepper_chico Level 1 Level 1 (0 points)

    I just pray it's not degrading my machine... I've not made a backup and don't want to revert the whole thing....

  • Anthonysanto Calculating status...
    Currently Being Moderated
    Aug 17, 2012 10:50 PM (in response to tttxx)

    ...This is kind of a BIG bug.  Let's hope they get on this one in a hurry.  I'm embarassed to confront Windows users with this one...."Hi, I'm a PC"....."And I'm a M..M..M Mac."

  • sixfour Level 1 Level 1 (0 points)
    Currently Being Moderated
    Aug 18, 2012 2:08 AM (in response to Lvivske)

    So I reinstalled ML and applied the 10.8.1 delta patch, the bug is still there. Reverting back to Lion again .. lol.

  • IBurchett Calculating status...
    Currently Being Moderated
    Aug 20, 2012 2:38 AM (in response to tttxx)

    I've noticed my performance is actually getting worse.

    I don't knwo if the temperature is a red herring, but it's interesting that I'm sitting here in the UK in the middle of a heatwave with high humidity....


    I spoke to a friend with a MBP who said whilst he hasn't seen the issues we're seeing, his battery performance has plummeted with an increase in heat output...

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