10% of time I get choppy video & sound on Ret

I have a Retina Display MBP (16GB RAM, SSD, etc)

The game plays great. Pretty much plays as it did on my 17" MBP with SSD, however with one slight difference.

As I run around questing, I notice that the music will be playing (game music) (which I enjoy, and even sometimes sing/hum along with it) and then suddenly the music will STOP, as if the the sound all STOPS and resets.

Then the next group of sounds may start, combat sounds, or another song entirely.

Sometimes this also coincides with Video Choppyness.

For example:

While doing 5 man instances, sometimes during a battle (sometimes while running in between packs of mobs) the sound and video will freeze but only for say 1 second, and then it "catches up" and things go on fine until the next random time.

It doesn't happen all of the time, but I just notice it as a difference, and something that did not happen on prior year Gen MBP hardware.

I have read through the FAQs to see if any of my symptoms are covered there, but I didn't see anything specific.

Thanks for any info.
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Support Forum Agent
I've heard of reports here and there about this. Can you post some system information?

    1. Launch World of Warcraft and log in.
    2. Put World of Warcraft into Windowed Mode if it is not already in Windowed Mode.
    3. From the system menu bar, select Help > Copy Support Information: http://i45.tinypic.com/foodww.png
    4. Paste the contents of the copied system information here (Command-V)

Also, have you tried to rebuild your game caches to see if this helps in any way?

    1. Navigate to /Applications/World of Warcraft
    2. Move the WTF, Cache and Interface folders to the desktop
    3. Now go into the Data folder and delete the Cache folder
    4. Navigate to /Users/Shared and delete the Battle.net folder
    5. Launch the World of Warcraft Launcher. Let all updates apply and hit Play when Game is up to date is displayed.
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System Software Overview:

System Version: OS X 10.8.2 (12C54)
Kernel Version: Darwin 12.2.0
Time since boot: 46 minutes


Hardware Overview:

Model Name: MacBook Pro
Model Identifier: MacBookPro10,1
Processor Name: Intel Core i7
Processor Speed: 2.7 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 8 MB
Memory: 16 GB
Boot ROM Version: MBP101.00EE.B02
SMC Version (system): 2.3f32


Intel HD Graphics 4000:

Chipset Model: Intel HD Graphics 4000
Type: GPU
Bus: Built-In
VRAM (Total): 512 MB
Vendor: Intel (0x8086)
Device ID: 0x0166
Revision ID: 0x0009
gMux Version: 3.2.19 [3.2.8]

NVIDIA GeForce GT 650M:

Chipset Model: NVIDIA GeForce GT 650M
Type: GPU
Bus: PCIe
PCIe Lane Width: x8
VRAM (Total): 1024 MB
Vendor: NVIDIA (0x10de)
Device ID: 0x0fd5
Revision ID: 0x00a2
ROM Revision: 3688
gMux Version: 3.2.19 [3.2.8]
Color LCD:
Display Type: LCD
Resolution: 2880 X 1800
Retina: Yes
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Built-In: Yes
Connection Type: DisplayPort
Thunderbolt Display:
Display Type: LCD
Resolution: 2560 x 1440
Pixel Depth: 32-Bit Color (ARGB8888)
Display Serial Number: C02H43JWDJGR
Mirror: Off
Online: Yes
Rotation: Supported
Connection Type: DisplayPort
Thunderbolt Display:
Display Type: LCD
Resolution: 2560 x 1440
Pixel Depth: 32-Bit Color (ARGB8888)
Display Serial Number: C02GL4SNDJGR
Mirror: Off
Online: Yes
Rotation: Supported
Connection Type: DisplayPort


Input Source ID: com.apple.keylayout.US
Keyboard Layout: ANSI

I'll clear game cache and report back.
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Support Forum Agent
Thanks, let us know the results.
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