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How to reduce the feedback loop between the microphone and speakers in Windows 7

You may hear feedback from your PC speakers when one or more of the the following conditions are true:
  • You increase the Microphone Boost option.
  • The speakers are too close to the microphone.
  • The speaker volume is turned up so as the microphone hears the speakers.
  • You have a very sensitive microphone.

You may be able to reduce or eliminate the feedback you are hearing by trying the following steps in Windows 7:

  1. Open Control Panel.
  2. Open the Hardware and Sound setting.
  3. Open the Sound setting.
  4. Select the Recording tab and double-click your microphone you have selected as the default recording device.
  5. Click on the Level tab and reduce the Microphone Boost setting. Note: This setting may not be available for some microphones.

You may also be able to reduce the feedback loop by selecting the Enhancement tab in the microphone's properties page and enabling one of the following options:
  • Enable Noise Suppression
  • Enable Acoustic Echo Cancellation
Note: These settings are audio hardware and software specific and may not be available for all microphones.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Article ID: 2577040 - Last Review: 07/08/2011 00:52:00 - Revision: 3.0

  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
  • KB2577040