System sound is corrupted

And I'm not sure how to proceed.
I installed VLC and Real Player free version to download a video for my son to use in a powerpoint for a report for school (no worries, no copyright issues).
As soon as I did that, everything started sounding terrible on my system. Normal stereo sounds sounded thin and wide open like AM radio and some audio files are clearly not playing properly at all. I play WoW and I thought it was restricted to just that application, but I've got Beyerdynamic DT 770 80ohm headphones that used to sound fantastic listening to the Von Karajan masterwork of all 9 Beethoven's symphonies even without a headphone amp. Now, it all sounds like am radio or a really crappy web stream.
I did not see any offending error logs or anything obviously amiss. I rebooted, zapping the PRAM. Nothing. I reinstalled OS X and tried playing the sounds in 10.6.0. Still bad. Updated via 10.6.3 v1.1 combo updater. Still bad.
I deleted the Real apps and got rid of the application support realnetworks folder, but I'm sure there is something else that's likely causing the issue, be it something that a reinstall isn't replacing or some part of the Real install or VLC that is conflicting or causing this audio problem.
Frankly, I'm at a loss.
Is there a Dr. MacHouse about?

yep, that did it. I was just about to post that I found the answer when I realized that flash wasn't playing the audio at all, but the video was playing. When I googled "no sound in flash mac", I got that same answer.
Apparently, Real can reset the output sample rate. It had reset it to 8kHz which is why everything sounded like an AM radio. I knew there was a reason I'd avoided that player (viva QT).
Thanks for the prompt response!
Beethoven's 6th sounds natural again. Hehehe.

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System Sounds Have Started Playing Through Internal Speakers

I have a Presonus Firebox sound card through which I play all my audio. Suddenly and mysteriously, all my system sounds (email sent, email received, trash emptied, etc.) are going through my internal speakers, while all my apps remain as they were -- iTunes, FCP, Firebox, etc., all play audio through my sound card and speakers. In System Prefs, the Firebox is chosen as input, output and sound effects.
Why is this happening, and how do I fix it?
Thanks,
Giraut

Hi Giraut,
I don't have such a device to check, nor even external speakers, but I suspect this invisible file is corrupted, I'd drag it to the desktop and see if you can set it again...
/Users/YourUserName/Library/Preferences/ByHost/.GlobalPreferences<12digitHexNumb er>.plist
Might check Midi Setup Utility to see if it's set for 44.1K also.

Solution to Sound flowers corruption of MAC Audio drivers

Solution to Sound Flower corruption of Mac Audio drivers
I recently upgraded/ repaired my 2011 Mac Book Pro. I went from 4GB to 16 GB of ram. I also removed the Super Drive and 750 GB dual partition hard drive. I replace them with a 2tb single partition drive for the MAC OS system, and a 480 dual partition SSD drive. I allocated 450 for the Boot camp PC drive and remainder for an SSD Mac OS drive. During this process, I also repaired my corrupted Mac Audio drivers. Here is how I repaired them.
#1………..You will need a bootable external hard drive which contains a current copy of your Applications, Data, and Network settings. You should already have this drive or drives with partitions containing boot PC boot camp and Mac OS. If you do not, you need to make one now.
I used Carbon Copy V5 to make a bootable copy of Mac OS and WinClone 4 to make a bootable copy of PC partition.
It does not matter that the Mac Drivers are currently corrupted if you are making a bootable copy of your internal drive. Just created the external bootable drive. For me, a nearly full 750GB drive took me over 4 hours to create.
#2……….Once the external bootable drive is created, you will need to restart your computer while holding down the option key. When it asks which drive to boot from, choose the External Mac recovery drive. Make sure this new drive is working properly and all your information is there.
#3……….Now that you are operating from external drive, use disk utility to select the internal mac OS drive and erase it. I have a separate drive for My PC boot camp, so I will keep this as a single partition drive for Mac OS.
#4………Download a new copy of the MAC OS system onto internal drive. During this process DO NOT sign in into you Apple Id account. At this point you do not want Applications or data moving over onto your new Mac OS. Once installation is done, restart computer.
#5…….The computer will now boot from the internal drive. You should see basic Applications in Launch Pad. Go ahead and play something from the internet ….you will notice your Mac audio drivers have been restored.
#6 …….Now it is time to add your Applications you have purchase over the years. Without bringing over Sound Flower App or its Folder. You do this by opening up an Apps windows for the internal Mac drive and another one for the external Mac drive. At this point you will manually drag all Apps from external drive to internal drive. However take your time and DO NOT dray over the sound flower app or its folder. If there are other Apps you to leave behind, do not drag them onto the new internal drive. Once you have verified you dragged over the Apps, restart your computer
#7 ………At this juncture, you can now use the migration assistant to move over your data and network settings. Just be sure to uncheck the migrate Applications box. If you forget, you are screwed and must start all over. I know from experience. Note the migration of data and network settings took me about three hours.
Final step …….Now that your Audio drivers, Applications, Data, and network settings are restored, you need to schedule time to update your external bootable Mac OS drive, so it no longer contains corrupt Audio drivers. Now enjoy your computer and pass solution on.
Xie xie
Dmatcyt

Ahh... Sorry for that. That's true. I took it for granted before checking Apple Specs.
So, What's about audio in specs of 15-inch MacBook Pro (MD103LL/A)?

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In Transmit FTP 3.5.3 (latest version), you can choose to play a "system sound" upon successful transfers. You can choose any of the Apple system sounds from a drop down menu, from within the preferences of Trasmit.
The sound was working fine, but now I can't seem to get the sounds to work. If I open the preferences and choose a sound, any sound, but say Basso, it will select it, and then when I close preferences, and come back, the sound will be changed back to none.
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Hi KL archeo,
If you are only having issues with audio when playing videos (i.e. Music player appears to be fine), and only through the headphone jack (internal speaker appears to be fine), then you may want to try backing up all your data in iTunes, doing a full factory restore, then testing to see if the issue persists before restoring your data back. You may find the following article helpful:
Use iTunes to restore your iOS device to factory settings
http://support.apple.com/kb/ht1414
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I lost sound. In systems/sound all options are greyed out

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Try resetting your SMC http://support.apple.com/kb/HT3964 Then make sure in system prefs/sound/output that you've selected internal speakers.

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Yeah, just to keep everyone breathlessly updated: there has been no fix for me.
Amusingly (mostly not..) on the plane yesterday, when I plugged in my headphones, I was greeted with about 3 weeks' worth of Sent Mail and Alert tones. Good times.
The fix involving Audio MIDI Setup and momentarily changing the internal speakers integer dropdown list used to occasionally work for me...but lately it has not. I'm just making do with no mail sounds, like a chump. How I wish GrowlMail worked with 10.8 because I could get my sounds that way.

How do I enable all sound files wav,MP3 on windows 7 64-bit change system sounds

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//Click on Kudos and Accept as Solution if my reply was helpful and answered your question//
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Sorry wrong post to this thread.
Now the right post.
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Lost system sounds, then all sound gone even after installing a Live! 24-bit ca

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well.....in what ways it isn't good and what are you comparing it with?

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System Sound Output Level Reset After Reboot ?

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I appreciate the answer, but if you read my question thoroughly you will notice this: "In sound settings, both Input and Output are set to the M-Track"
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System sound is corrupted

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