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Kernel-Mode WDM Audio Components - Windows drivers ...
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/kernel-mode-wdm-audio-components
Kernel-Mode WDM Audio Components WDMAud System Driver. The kernel-mode WDMAud system driver (Wdmaud.sys) is paired with the user-mode WDMAud system... SysAudio System Driver. The SysAudio system driver (Sysaudio.sys) builds the filter graphs that render and capture audio... KMixer System Driver. For ...
Audio measures - Windows drivers | Microsoft Docs
https://docs.microsoft.com/en-us/windows-hardware/drivers/dashboard/audio-measures
Kernel Streaming audio drivers run in kernel mode. If an audio driver hits an exception, it results in a Blue Screen of Death (BSOD) or Green Screen of Death (GSOD). There are no measures specifically for audio kernel-mode reliability issues, but there are measures for kernel-mode reliability issues in general. The Windows shared-mode audio engine runs in user …
Kernel Streaming Considerations - Windows drivers ...
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/kernel-streaming-considerations
The Kernel Streaming considerations topic clarifies the requirements and other special considerations beyond those for all audio drivers. These are kernel streaming considerations that are more related to Bluetooth bypass audio streaming. The audio driver should fully support the WaveRT port driver, including “pull mode.”
Windows Audio device graph isolation is causing Nt kernel ...
https://answers.microsoft.com/en-us/windows/forum/all/windows-audio-device-graph-isolation-is-causing-nt/1762321c-5d17-4b32-b5f8-f903f23bf13a
Thank you for choosing Windows 8 and giving us an opportunity to assist you!! We are glad to hear that you liked Windows 8. It looks like Windows Audio device graph isolation is causing the NT kernel systems to run at a higher rate, which results in distortion of audio and freezing your system. We will be happy to help you.
About the Windows Core Audio APIs - Win32 apps | …
https://docs.microsoft.com/en-us/windows/win32/coreaudio/about-the-windows-core-audio-apis
The Core Audio APIs were introduced in Windows Vista. This new set of user-mode audio components provide client applications with improved audio capabilities. These capabilities include the following: Low-latency, glitch-resilient audio streaming. Improved reliability (many audio functions have moved from kernel-mode to user-mode).
A Brief History of Windows Audio APIs - ShaneKirk.com
http://shanekirk.com/2015/10/a-brief-history-of-windows-audio-apis/
With WDM, both MME and DirectSound audio now passed through something call the Kernel Audio Mixer (usually referred to as the KMixer). KMixer was a kernel mode component responsible for mixing all of the system audio together. KMixer introduced latency. A lot of it. 30 milliseconds, in fact. And sometimes more.
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