Virtual audio driver windows 105/1/2023 Then we tried to get a Microsoft contact knowing about this problem (our message on Github and Microsoft social forum got no reply). We built a minimal and truly functional example of the SYSVAD audio driver, and the HLK certification process failed anyway. We thought it could explain why it does not pass all certification tests, but no. This official audio driver example is programmed like a serial driver instead of an audio driver, the clock is bad and the audio timer implementation is wrong. On our side we spent the year 2018 to make different functional virtual audio drivers based on SYSVAD example. ![]() ![]() ![]() Consequently it is not really possible to release a product with this new audio driver model for WIN10 architecture. The reason why is simple: the HLK certification process does not work with audio drivers, even the official Audio Driver example provided by Microsoft! The SYSVAD audio driver does not pass all certification tests and is even not validated on the functional level. But this new driver architecture is not really used by audio industry, because not validated, then Window 10 is still running in under-performing mode. With Windows 10, Microsoft introduced new driver architecture with a certification process to test, validate and sign drivers as a mandatory condition to install it on WIN10 and Windows Server 2016.
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