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A simple fix for sound output issues System
My 2GHz iMac G5 (now pretty worthtless, compared to the new Intel iMacs) has been giving me some problems with sound playback. This has been occuring only with certain applications, such as Quick Time Player, Windows Media Player, and even iChat would stop playing sounds every now and then.

I got irked the other morning when I wanted to watch his Steveness from San Francisco via the QuickTime stream. So I looked around, and, lo and behold, there is something quite simple that fixes this problem. This Apple KnowledgeBase document explains the problem and solution:
Some audio applications may change your computer's audio settings to a sample rate that is too high for other applications to use. In this situation, system alert sounds still work, and does iTunes, but other applications may have no sound.
Now, I don't know which application would have changed my settings, but the fix is quite simple. You simply open /Applications -> Utilities -> Audio MIDI Setup and change the output settings to 44100.0 Hz (the iMac supports up to 96600 Hz).

An easy fix, but annoying; which applications would be making this change? I'll try and keep my eyes on it, but, since I don't use any audio recording software, I cannot figure out what might be the cause.
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A simple fix for sound output issues
Authored by: cancerox on Jan 12, '06 09:04:55AM

I've had this problem as well, but only a few times. All while playing World of Warcraft. A quick trip to Audio Midi Setup as stated solved the issue.



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A simple fix for sound output issues
Authored by: jtalle on May 18, '06 12:23:59PM

I've had this problem with no sound in Quicktime movies - such as the ones on onegoodmove.org - and everything I'd tried didn't work. I dumped plugins, reinstalled Quicktime, futzed with settings, and nothing worked. The Audio/Midi setup showed that I already had the correct bitrates set - 41K/2ch - so I was baffled, sad to say. What's worse is that I actually paid for Quicktime Pro.

And just now I figured what the heck and used the Audio/Midi setup to change the bitrate to 32K/1ch - and then changed it back to the standard settings. I did it for input and output. Well, whaddyaknow...

Now I can sit back and ponder the mystery of all that wasted effort while I listen to Quicktime movies embedded in websites, thanks to my freshly repaired quicktime plugin...



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A simple fix for sound output issues
Authored by: monickels on Jan 12, '06 10:36:20AM
My 2GHz iMac G5 (now pretty worthtless, compared to the new Intel iMacs

I'll give you five bucks for it. Send it to...

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Double-Tongued Word Wrester: a growing dictionary of old and new words from the fringes of English.

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A simple fix for sound output issues
Authored by: jeaginsky on Jan 12, '06 11:26:27AM

soundsource is highly useful in this regard.
http://macupdate.com/info.php/id/11334



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A simple fix for sound output issues
Authored by: pecosbill on Jan 12, '06 12:25:11PM

that Mac (and all other PPC) is one of the last that can still run Classic!

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Pecos Bill



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A simple fix for sound output issues
Authored by: robmorton on Jan 12, '06 12:52:02PM

yippy? Sorry, I couldn't resist as I do not understand why people do not upgrade/replace old software.



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A simple fix for sound output issues
Authored by: piyayo on Jan 12, '06 01:37:35PM

you don't understand? how about because not everyone has 4 or five grand to update all their software to run on whatever new thing apple wants everyone to move to?



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A simple fix for sound output issues
Authored by: osxpounder on Jan 12, '06 10:19:32PM

How about not upgrading because what I have now suits my needs exactly and the newer version doesn't add anything that I give a flip about?

Photoshop's a good example. PS7 suits me fine. No new features since then have been particularly exciting enough to upgrade. About the only thing I care about that got me using CS2 at work is that I'm told I can work in rectangular pixels instead of square pixels, for DVD graphics, but I only just installed CS2 yesterday and haven't tried that yet.

My PC still has Windows 2000, and is stable and happy that way. My Macs only got upped to Tiger last month, and only because some progs require it now. I'm perfectly happy with Panther.

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osxpounder



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A simple fix for sound output issues
Authored by: captain caveman on Jan 12, '06 01:54:42PM

How about old software that doesn't exist anymore, but is more useful (or cheaper, since I own it already) then current software



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A simple fix for sound output issues
Authored by: Koerone on Aug 25, '10 07:20:14AM

not everyone is a snob, i guess that's the reason. besides there's something mystic about those old macs...



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A simple fix for sound output issues
Authored by: sjk on Jan 12, '06 03:02:41PM

Every so often Mail mysteriously stops playing sounds on my wife's eMac and she really misses the send whoosh. Next time that happens I'll check if this hint works to re-enable them; thanks for mentioning it.



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A simple fix for sound output issues
Authored by: bailey_ca on Jan 15, '06 09:43:38PM

This happens to me too at work; alas, this doesn't seem to be the culprit. It seems Mail just sometimes forgets to play sounds.

I am ambivalent towards the whoosh, however, my co-workers hate it. It's best first thing in the morning, when I have to reply to 40 emails. A whoosh every 30 seconds!

Granted, these same people seem to not mind the constant "la-laaaaaa" noise that Outlook for Windows makes. Personally, I can't stand that noise, especially when an all-staff email goes out and all 12 of the PCs in my office make that noise 1/2 second apart! (I am the only Mac user at my place of employment.) I consider the whoosh my revenge. :-)



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A simple fix for sound output issues
Authored by: starwxrwx on Jan 12, '06 09:30:34PM

I've had problems on my PowerMac where the audio output changes to digital out instead of analogue out and hence no sound comes out - and changing it back in System Prefs won't take. Related to this issue perhaps?



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A simple fix for sound output issues
Authored by: osxpounder on Jan 12, '06 10:27:55PM

Coincidentally, this just happened to me minutes before I found this article. Audacity was the culprit -- running that caused Firefox and iTunes to go silent until I quit Audacity, and even then Firefox needed a restart ... not sure if sample rate was the prob, but after Audacity had completely shut down, audio came back in iTunes and Firefox.

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osxpounder



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A simple fix for sound output issues
Authored by: macandrew on Jan 17, '06 10:03:18AM

This explains why I lose my sound whenever I view a DVD with Apple's DVD player -- indeed the fix in this hint worked for me (it was set to 32000 Hz). Before I had to quit & restart every affected app.



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A simple fix for sound output issues
Authored by: brittany510 on Dec 03, '06 10:37:44PM

my audio midi setup is missing.. and i have no sound all of the sudden??



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Audacity and/or Soundflower to blame?
Authored by: withdave on Sep 08, '08 02:44:37PM

For a while Apple's Mail was totally silent on my Mac Mini Intel Core Duo 2 and I couldn't figure out why. Quicktime, web pages and everything else were fine, it was only Mail. (I don't use iChat so don't know about it.) Turns out I had been using Audacity and Soundflower and I suspect one or a combination of these is what caused the problem.

Trouble is, none of the other web tips for restoring sound worked, such as playing something in Garage Band, setting Audio Output format to 44.100 KHz, and I had already tried the one that fixed an Audacity problem posted above.

What finally worked for me was to use the Audio MIDI Setup application to change the output setting format from 2-ch-24bit to 2-ch-16bit and then back to 2-ch-24bit. After doing that I Quit Mail and restarted it and everything was back to normal. It could have been that changing the other format option of 44.100 KHz to something else and back would have also done the trick. If you are having the no sound problems try fiddling with these parameters.



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A simple fix for sound output issues
Authored by: johnsawyercjs on Dec 21, '08 09:20:41PM

My copy of Apple Mail stopped playing alert sounds today (Mirrored Drive Doors G4, OS 10.5.6). The fix, for me, was to go to System Preferences > Sound >Sound Effects, and select the checkbox for "Play user interface sound effects". For some reason, it had gotten turned off.



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A simple fix for sound output issues
Authored by: Koerone on Aug 25, '10 07:30:44AM

I know it's an old thread but i'm lookin' for a way to rise the sampling rate of my dual g4 mdd on macosx leopard as there are no sound blasters for mac... i know that texas instruments can play 44khz and all my mp3s are 44khz also, but unfortunately the midi settings tool allow only one frequency - 41khz. it's a shame because my portable creative zen sounds better than my mac :/ help anyone?



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sound output issues
Authored by: SKABONK on Aug 24, '13 02:05:58AM

I'm running my sound through M-Audio's 610 PROFIRE...
The problem is that when ever my iMac goes to sleep for the very first time one of two things occure which is that after waking her up I either have no sound but, the preferences states that I'm connected properly or I've completely lost my driver for no apparent reason n have to reinstall it,"not good when ur trying to do music." :(
Note: I'm using the latest driver from M-Audio...

Anyone else having this prob?

Thx
SKABONK



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