Microsoft KB Archive/252428

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Article ID: 252428

Article Last Modified on 9/23/2005


  • Microsoft Windows Media Services 4.1

This article was previously published under Q252428


When you use the Windows Media Audio V2 codec and encode audio and video for several hours, the audio beep or sound may be garbled, jumpy, or electronic sounding.


This is a problem with the Windows Media Audio V2 codec.


A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

This hotfix has been posted to the following Internet location as Wmsu3496.exe:

The English version of this fix should have the following file attributes or later:

   Date      Time    Version      Size    File name     Platform
   01/06/00  06:38p   291,408 Msaud32.acm   x86


To work around this issue, try the following:

  • Use a different Codec.
  • Stop and restart the encoder to resolve the problem temporarily.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Keywords: kbdownload kbbug kbfix kbqfe kbhotfixserver KB252428