Currently Being ModeratedOct 20, 2013 6:39 AM (in response to CT)
CT.... perhaps these links will help
- Why is video playback continually stuttering after the Mountain Lion 10.8.2 update?
- Re: no sound after mountain lion
- Re: No Sound after upgrading to Mountain Lion
- Re: OSX Lion + 2011 iMac 27'' + Video = Freeze
Currently Being ModeratedOct 20, 2013 7:22 AM (in response to CT)
CT.... seems like you have a lot of can't confirms.... Pretty easy to say something can't be done. Takes effort to do something.
I have a folder of over 100 sysdiagnose_yyyy.mm.dd_hh.mm.ss files captured in less than 2 weeks.
Care to look at them?
I am one up on Apple with this multi-prossor, multi-tasking problem, I was part of a team that found and fixed this kind of problem on a 256 processor system about the time Woz and Jobs were starting Apple. Jobs sent me a coffee cup that pictured Newton sitting under an Apple tree with a multicolored apple falling towards Newton.
The characteristics of this problem are the same, layered loss of operations, layered regaining of operations.MacBook Pro, OS X Mountain Lion
Currently Being ModeratedOct 23, 2013 10:12 AM (in response to jimoase)
Has anyone tried Mavericks yet? I went back to Lion from ML, which works perfectly on my late 2009 iMac 27" i7. The Sound Stuttering in ML drove me crazy and I'm worried that they are still present in Mavericks. Please report your experiences
Currently Being ModeratedOct 23, 2013 10:46 AM (in response to Chris Vice)
Yes I've been unable to reproduce the skipping on Mavericks. I've got a 27-inch, Mid 2010 iMac that skipped like crazy on 10.7 and 10.8 ...
Good news? Waiting for others to confirm.
Currently Being ModeratedOct 25, 2013 8:13 AM (in response to tttxx)
After getting a full refund for Mountain Lion and having to re-install Snow Leopard and start again from scratch, I was very hesitant to install Mavericks. I wanted to install on a partition to see how it faired first but my computer was having none of it. I took the plunge and updated and I can happily report that I have had no issues with any video or audio so far. I have used iTunes, MPlayer, DVD Player, Netflix and YouTube, all are playing perfectly.
Currently Being ModeratedOct 25, 2013 8:21 AM (in response to Chris Vice)
Mavericks fixed it for me on my Late 2009 quad-core i7 iMac. Been listening for a couple of hours to iTunes library audio and video with no skips, hesitations, whatever.
Not completely definitive yet, but early signs very promising.
I'll probably keep using Audirvana some of the time, because I paid real money for it and have therefore convinced myself that it somehow makes the music sound better. And I decline to take any blind tests to prove the point!
Currently Being ModeratedOct 29, 2013 2:53 PM (in response to LouFace)
I installed Maverick on Friday, on my 21.5-inch mid 2010 iMac, and now have stuttering or short electronic buzzing sound problems when listening to music on Spotify and iTunes. I also have the same problem when watching movies through XBMC. It´s not all the time, but it´s annoying nevertheless! It was fine before I updated. I am not very clued up on computers, I´m afraid, and didn´t make a back up. Any suggestions? I tried rebooting but that didn´t help.
Currently Being ModeratedOct 29, 2013 4:27 PM (in response to Brikin)
My MacBookPro8,3 is stutter free with two exceptions. On line video the uses NexDef and a YouTube video.
NexDef is not OSX 10.9 compatible at this time, it stalls occassionally. They are working on an upgrade but no ETA.
The YouTube problem, has only happened once, and is worse, the video stopped and nothing would restart it until restarting the MBP.
Currently Being ModeratedOct 30, 2013 7:04 AM (in response to tttxx)
I installed Maverick on Friday, on my 21.5-inch mid 2010 iMac, and now have stuttering or short electronic buzzing sound problems when listening to music on Spotify and iTunes.
Solved my problem with Maverick, but not a good solution! The stuttering breaks in Spotify and ITunes was caused by my Mac Boom volume booster and system wide equalizer App. After quiting the App, things have worked fine! Not a great solution as I really loved the App.
Currently Being ModeratedOct 30, 2013 9:27 AM (in response to Brikin)
I was hoping that Maverick would sovle this stuttering issue, but unfortunately it has not. This is crazy!
I have had a stuttering problems ever since I purchased my new 27 iMac in March. My problems occur when i'm running Logic Pro X. I had this problem whith Logic Pro 9 as well. If I have any other applications open while running Logic: itunes, quicktime, safari, etc. Logic will stutter during playback. The same problem occurs when I'm in itunes and another audio application is open. Total bummer. I'm sorry to hear about everyone's problems.
Here are the specs on my iMac:
Processor 3.4 GHz Intel Core i7
Memory 32 GB 1600 MHz DDR3
Software OS X 10.9 (13A603)
I really hope that Apple will solve this problem once and for all for us! Email me if you have any thoughts or questions: firstname.lastname@example.org
Currently Being ModeratedNov 15, 2013 6:02 AM (in response to tttxx)
I've got a MacBook Pro 7,1, 8GB with Mavericks installed (upgraded to try and fix this issue). It's literally in the last few days (maybe a week) that It has started happening. As far as I can tell, it's only web audio played through a browser. It's most prominent when switching tabs etc, but still occurs when just left. As I said, it's literally in the last week or so this has started. Extremely frustrating. There are no CPU spikes or anything. At worst, CPU gets to about 50%.
Is there any chance at all this could be a failing hard drive? I've had the same one since I got the laptop...
Currently Being ModeratedNov 19, 2013 4:58 PM (in response to tttxx)
I have Guitar Rig Kontrol 3 and audio worked well on Lion... there was a little bit of stuttering when booting Guitar Pro however mp3's and video were fine. Once I upgraded to Mavericks the stuttering has become MUCH worse to the point where any mp3 is unplayable, it keeps stuttering at the beginning of the track and you have to jump forward to get it to play before stuttering again a few seconds later.
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