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Kernel Streaming | HFA - The Independent Source for Audio ...
https://www.hifi-advice.com/blog/audiophile-insights/digital-insights/kernel-streaming/
There are four methods in Windows XP for outputting audio via an audio device: DirectSound, WaveOut, ASIO/WDM, and kernel streaming. (update July 2016: Windows 7 also offers WASAPI, which is the best option). DirectSound and WaveOut go through kmixer. ASIO and kernel streaming don’t.
Kernel Streaming Considerations - Windows drivers ...
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/kernel-streaming-considerations
This is typically 8KHz mono audio streaming. Topology. All Bluetooth Hands-Free devices support both capture and render. So the audio driver should expose a kernel streaming (KS) topology for the Hands-Free device as shown in the following diagram, to support both render and capture. Note The audio driver developer can choose whether or not to implement a …
Kernel Streaming Topology to Audio Mixer API …
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/kernel-streaming-topology-to-audio-mixer-api-translation
The KMixer system driver (Kmixer.sys) and SWMidi system driver (Swmidi.sys) are integral components of the kernel audio stack. KMixer provides system-wide audio mixing, bit-depth conversion, sample-rate conversion, and channel-to-speaker configuration (supermix) translation for PCM audio streams.
Kernel Streaming, ASIO, WASAPI... and music players ...
https://www.audiosciencereview.com/forum/index.php?threads/kernel-streaming-asio-wasapi-and-music-players-foobar-jriver.7412/
Kernel Streaming is lowest 'audio' layer in Windows: Why go through more layers (=WASAPI) if direct access is possible? In audio, less is usually more. (unlike WASAPI, ASIO _can_ be direct although it's not a given: there are 'ASIO' drivers out there which are using KS internally…)
Kernel Streaming - Windows drivers | Microsoft Docs
https://docs.microsoft.com/en-us/windows-hardware/drivers/stream/kernel-streaming
Kernel streaming (KS) refers to the Microsoft-provided services that support kernel-mode processing of streamed data. Microsoft provides three multimedia class driver models: port class, stream class, and AVStream. The vendor writes a minidriver that runs under one of these three class driver models. These class drivers are implemented as export drivers …
Kernel-Mode WDM Audio Components - Windows drivers ...
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/kernel-mode-wdm-audio-components
The kernel-mode WDMAud driver is a kernel streaming (KS) filter and a client of the SysAudio system driver. SysAudio System Driver. The SysAudio system driver (Sysaudio.sys) builds the filter graphs that render and capture audio content.
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, ASIO, WASAPI... and music players ...
https://www.audiosciencereview.com/forum/index.php?threads/kernel-streaming-asio-wasapi-and-music-players-foobar-jriver.7412/page-9
I'm not terribly surprised. Exotic software chains like these are not necessarily very well-tested (contrary to, say, the standard Windows audio APIs), and the ASIO API specification can be somewhat ambiguous and hard to understand when it comes to things like priming (i.e. starting the stream), making incompatibilities between applications and drivers more likely.
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