Article ID: 979303 - View products that this article applies to.
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You run an application that performs audio playback and audio capture simultaneously. This is a typical scenario when your application is VoIP (Voice over Internet Protocol) software.
WaveOut API on Windows 7 sometimes fails to process audio samples correctly when response of your audio device is slow.
There is a problem on how WaveOut API handles audio playback requests and audio capture requests submitted by your application.
The fix for this bug is available in KB 981679:
(http://support.microsoft.com/kb/981679/ )An application that captures and plays audio stops responding in Windows 7 or in Windows Server 2008 R2
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Article ID: 979303 - Last Review: September 4, 2012 - Revision: 2.0