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Sound Issues

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I have just installed PMDG 737NGX and FS2Crew


I am having the following issue.


I have done a few 4+ hour flights Heathrow to Larnaca.


All goes well until I start the descent phase.


When I start using my headset the sim freezes for about 2-3 seconds and runs for 2-3 seconds - this gets slightly better over time but unworkable.  I close the flight sim and restart from an autosave and no issues.


If I don't use the mic I have no issues - smooth approach


Here is the strange bit - FSUIPC disappears from the add-on menu and the auto saves stop as soon as this starts.


I have checked all the sound drivers and USB drivers (USB headset) and they all seem up to date.


I had similar issues with sound in the PMDG 777 however when I changed the sound set in the 777 control panel it improved dramatically but did not take it away completely.


P3D V3

Windows 10 - I strongly suspect is the culprit

FSUIPC latest version I think 'k'


I have all SDK's loaded and re-installed the P3D V3.2 SDK to be sure to be sure

Re-installed P3D PMDG FS2Crew - FSUIPC


Is this the USB ports going to sleep  - I do not know how to check but the headset will work.  Sounds seem a little funny, eg the engine sound dims or fluctuates more than at the start of the flight.  Last flight I pulled out the USB headset and reloaded in the hope this might work but FS2Crew would not use voice although it was working in windows 10.  Flight landed smoothly without the headset - so either USB or sound issue I think


Pete is away in the FSUIPC forum, I do not think this is a FS2Crew issue, I was just hoping somebody could point me in the right direction to trouble shoot further.




Davy C

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Hi Davy,


A shot in the dark:


Refresh your audio drivers.  Download the latest version.


To me it sounds like an audio driver issue.



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