I've got exactly the same problem, with P3D4.5 and Win11.
I can confirm that it has nothing to do with Windows update, driver, or sound card not supporting Open AL for the following reasons:
- The problem started the day before, and there was no Windows update before that. I was using the sim and GSX 30 minutes before the problem starts so that much is certain. What I did immediately before this starts was to run LiveUpdate, which I didn't for quite some time (probably more than six months) because I was not prompted. I bought FSDT LSGG in that 30 minutes, and after that, LU ran automatically. Since then, this.
- I have 5 different devices, but whichever I choose as the primary playback device with the latest driver installed, the problem still persists.
- Until the day before, GSX was working without any problem whatsoever, and other games using OpenAL are still working.
- The sim itself has no issues with sound.
Just to avoid any doubt, previously CoualtI was in the Win audio mixer when in use, but now it's completely gone even when it is running, so this is not about the programme being muted.
One big problem I have which does not show up in this thread so far is, whatever change I make in the setting, including enabling logging and hit OK or Apply, Couatl64 simply crashes, leaving no log or .err, and without saving any changes made. So I cannot see log file. However, Win event viewer indicates that the crash is apparently caused by OpenAL32.dll and Couatl64.dll.
In addition, in CouatlAddons.ini, under [common], there is an entry saying "audioenumerate = failed." I had a peek into MoonlightKobe's log in the hope of finding any clue, and it does have following lines:
Initializing audio...
Detected failed previous attempt to enumerate audio devices: disabling audio
I suspect that if I do have a log, this is what I would be seeing.
Another possibly relevant info is, I am also using Windows in Japanese just like MoonlightKOBE. I read in the change log that now the device name accepts characters other than basic alphabets, but possibly there still is an issue in this area.
What I did so far:
- Choose different devices
- Look into every single threads with "audio" or "sound" in them
- Reinstall OpenAL dlls
- Check compatibility of my devices with OpenAL (all of them do support it)
- Delete CoaltIAddons.ini
- Run LiveUpdate more than 10 times
- Run offline installer after that
- Total uninstall and reinstall of Addon Manger and GSX, to be followed by further LU and offline installer, with anti-virus off
And still no joy. Same crash, same absence of device and sound.
I am really running out of wit.
Any help/advice/suggestion is much appreciated.