Dear Linphone Community,

I have been using Linphone on my Windows 8.1 PC for a long time without any 
troubles. All of a sudden, I am having issues with the Audio Input (both 
Microphone and Line In). Speaker is OK. My stomach feeling was that the problem 
started after a Windows Update reboot. Now, I can scream into the microphone 
and the volume bar on Linphone will not move, no sound at all on the other end. 
If I use the Line In, I have to put the volume of the source to maximum in 
order to hear a plunging but very quiet sound on the other end. I have checked 
the soundcard and it works well. I have checked the levels of the recording 
devices, and they are still at 75%. If I use the Microphone and Line In with 
Sound Recorder or Audacity, the signal is loud and clear for both. So, it's 
definitely not a HW issue. Only with Linphone it doesn't seem to work properly 
anymore, no matter whether I select the input as WASAPI or WINSND, the issue is 
the same.
I have gathered the logs from Linphone (see attachment), but I couldn't see 
anything suspicious.
I have also tried to uninstall Linphone, use an older version, use the latest 
version, reboot the PC a dozen times... nothing helps.

I don't know what else to do... any advice is appreciated.
Couldn't find any useful hints in the mailing list. Has anyone had this problem 
before?

Looking forward to a reply.

Best regards
Stefano Carriero

Attachment: 20170123.log
Description: 20170123.log

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