In our system we generally face the MIC problem while communicating through social media’s (Gtalk,Yahoo!, FB, Skype etc) .
This unexpected behavior is generally because of default MIC setting, By Default in Window 7 Mic automatic change its sound level according to other active sound. Means sound level’s is not fixed for Window 7 MIC setting . Its also change accordingly your network speed .
Step 4. Now double click on “Microphone”. After click a new window appear, select “Levels” marked RED
Step 6. Now come back to first window and go to “Communication” option and choose “Do Nothing” option and apply it and click on OK!
Step 7. Its Done! 🙂