Rendering and Capturing Audio Content by Using the USBAudio Driver
The following figure shows how the USBAudio class system driver is configured to render and capture audio content. In this figure, the USBAudio driver sprouts pins to represent the terminals on the USB Audio device. Audio components such as KMixer, WDMAud, and DirectSound connect to these pins to render output streams or capture input streams.
See the following for a description of the Microsoft Windows Driver Model (WDM) audio components:
See the following for more detail about the filter graphs located above the USBAudio driver: