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Introduction to WDM Audio Drivers - Windows drivers ...

    https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/introduction-to-wdm-audio-drivers
    A typical audio adapter card might contain audio devices for playing a wave stream through a set of speakers, converting the audio signal from a microphone to a wave stream, and synthesizing sound from a MIDI stream. The adapter driver can wrap each of these audio devices in a KS filter that it exposes to the operating system.

WDM Audio Drivers Overview - Windows drivers | …

    https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/getting-started-with-wdm-audio-drivers
    Windows Driver Model (WDM) audio drivers make use of the kernel streaming (KS) components, which operate in kernel mode and are part of the operating system. Hardware vendors should make several design decisions before beginning development of a Windows-based audio hardware device.

WDM Audio Architecture Basic Concepts - Windows …

    https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/wdm-audio-architecture--basic-concepts
    The WDM audio architecture is based on kernel streaming (KS) services and is supported in Microsoft Windows 2000 and later and in Windows Me/98. For information about KS services, see Kernel Streaming. This section discusses the following topics: Introduction to WDM Audio Drivers Audio Filters, Pins, and Nodes Audio Endpoints, Properties and Events

WDM-KS is broken on Windows 10 via VMware · Issue #7 ...

    https://github.com/spatialaudio/python-sounddevice/issues/7
    Bluetooth audio device not work spu2-x PortAudio mode with Windows WDM-KS and Windows DirectSound and Windows WASAPI PCSX2/pcsx2#2982 Closed mgeier mentioned this issue Jul 15, 2019

The difference between the ASIO, WDM and MME drivers ...

    https://www.sweetwater.com/sweetcare/articles/roland-difference-between-asio-wdm-mme-drivers/
    Windows audio driver descriptions. MME, WASAPI, and WDM are Windows OS-specific audio drivers. With these drivers, audio is streamed through the OS, which is then sent to an internal sound card or external audio interface. On the other hand, ASIO streams the audio directly into the interface without the OS needing to process it first.

Basic Functions of a WDM Audio Driver - Windows drivers ...

    https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/basic-functions-of-a-wdm-audio-driver
    A Microsoft Windows Driver Model (WDM) audio driver provides the following functionality: The driver exposes all the types of input and output streams, and the number of instances of each stream type that it can support.

PortAudio: PaWinWDMKSInfo Struct Reference

    http://www.portaudio.com/docs/v19-doxydocs/structPaWinWDMKSInfo.html
    Set to zero for default value of 2. Definition at line 86 of file pa_win_wdmks.h. unsigned long PaWinWDMKSInfo::size. sizeof (PaWinWDMKSInfo) Definition at line 75 of file pa_win_wdmks.h. unsigned long PaWinWDMKSInfo::version. 1. Definition at line 77 of file pa_win_wdmks.h. The documentation for this struct was generated from the following file:

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