

SysAudio's clients include DirectSound and the WDMAud system driver, which serves as the interface between WDM audio drivers and the audio-specific Microsoft Windows Multimedia APIs waveIn, waveOut, midiIn, midiOut, mixer, and aux (described in Microsoft Windows SDK documentation). The system audio driver (SysAudio) uses the available hardware and software components to determine the filter graphs to build.įor more information about the system audio driver, see SysAudio System Driver.


Virtual audio devices represent the filter graphs that render and capture audio content.
