Sunday, September 02, 2012

Error 0x80040256 No audio hardware is available

This error occurs while trying to change the default DirectSound device in Windows Vista/7. Since Windows does not accept third party audio rendered device for the audio output unless a sound card is installed with specific analog/digital audio system.

To resolve this, verify that the audio output is set to Default DirectSound (or) WaveOut device in DirectShow filters like fddshow, LAV, AC3Filter etc.

ffdshow audio decoder output configuration
AC3 Filter Configuration


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