OS Win 8 mic level keeps reverting back to 100

Look through the Dota II config file and find this line:
Code:
voice_mixer_volume "1.0"
I changed the value to "0.15" (in the autoexec.cfg") to get my mic level to 15% and it was set to 14%. Changing it to "0.16" finally brought my desired effect.

Here's a step by step instruction what to do:

1. Open notepad (press "Windows Key + R" and type "notepad" without the "" and hit Enter)
2. copy this line to the editor: Code:
   voice_mixer_volume "x.xx"
   and change the "x.xx" to e.g. "0.51" if you want your mic level to be 50%
3. Hit "Ctrl + S" to save the file.
4. Navigate to your Steam installation folder (commonly "C:\Program Files (x86)\steam\") and browse to "SteamApps\common\dota 2 beta\dota\cfg\"
5. Make sure the "Save as type" dropdown menu below the "File name" says "All Files (*.*)" otherwise notepad will save this file as a .txt
6. Save your file with the name "autoexec.cfg" (of course without the "")
7. Restart Dota II and check your mic level.

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