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I play on online game called Second Life which uses FMOD for its sounds. Two weeks ago the sounds from the game stopped working on my iMac G5. It is a standard G5, two months old, with no special I/O devices, running OSX 10.4.4 and has all the latest updates. Other programs are able to play sounds OK, just this game stopped working. I also play on my iBook and the sounds work fine there, it’s just the iMac where they stopped. Another person on the SL support forums reported the same thing; he had a Mac Mini. His SL sounds stopped working a month ago and haven’t worked since then despite multiple re-boots, re-installs, etc., while other sounds work OK.

Last night I downloaded the FMOD library and built some of the sample programs. They work fine on the iBook but none of them will work on the iMac. All fail with the same error: “Error initializing output device”. The ones I have tried include simple, simplest, and stream.

Any ideas for something I could try? I’m a developer but I haven’t worked with sound before. I tried running under ktrace/kdump which shows a complete record of all system calls being made, and there weren’t any obvious errors although the output is quite verbose (about 1 MB). I could mail you that output if it would help. Or if you would like me to try to run a sample program, perhaps from Apple’s CoreAudio SDK, I could try that too.

Thanks for any help!

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Thanks for the response, Brett!

I don’t know exactly what made it stop working. It was a few days since I had played it on that computer.

Obviously something changed. And it’s likely that it was software rather than hardware. So yes, maybe something happened in the OS, some file might have gotten corrupted or something.

It still seems noteworthy that other applications are able to play sound. Apparently they are doing something different than FMOD. Since at least one other SL player has had the same thing happen, it’s possible that you may begin to see more Mac users with this problem.

I thought you might be interested in getting more information about it, but if not, I guess that’s OK. I’ll try re-installing the OS and see if that fixes it.

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My wife has exactly the same problem, one day it just stopped working on her Intel iMac, in the SecondLife log file it shows:-

\f0\fs24 \cf0 2007-02-07T22:21:03Z WARNING: Error initializing FMOD: Error initializing output device.\
2007-02-07T22:21:03Z WARNING: Unable to initialize audio engine\

I have an Intel MacBook pro and it works fine.

In my SecondLife log file it shows

2007-02-07T22:23:56Z INFO: LLAudioEngine_FMOD::init() initializing FMOD
2007-02-07T22:23:57Z INFO: LLAudioEngine_FMOD::init() FMOD initialized correctly

If you managed to fix the problem please let me know.

All the best, Jon

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Did anyone ever find a solution to this? I am having a user report the same type of problem, his system is Mac OS X 10.4 on a MacBook Pro (intel core2 duo), I have requested an error report. It has to be some kind of OS setting or sound driver problem.

UPDATE: I got some more info from the user, FSOUND_Init is returning true with the following settings:
FMOD 3.75 inited
Driver SoundManager output driver
Freq 44100hz samples 256 channels 64

Is there a precompiled fmod program that I should tell him to run that may provide any more info, or a fmodex one to test?

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