title description keywords ms.date WDM Audio Architecture Advanced Topics WDM Audio Architecture Advanced Topics WDM audio drivers WDK , architecture audio drivers WDK , architecture architecture WDK audio Windows Driver Model WDK audio 04/20/2017 WDM Audio Architecture: Advanced Topics This section discusses advanced architectural features of Microsoft Windows Driver Model (WDM) audio drivers. It presents the following topics: Data-Intersection Handlers Multifunction Audio Devices Dynamic Audio Subdevices Supporting Non-PCM Wave Formats High Definition Audio DDI