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UAA Class Drivers - Windows drivers | Microsoft Docs

    https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/uaa-class-drivers
    In Windows Vista, Microsoft provides UAA class drivers for audio devices that connect to either an internal bus (PCI) or an external bus (IEEE 1394 or USB). To be supported by the UAA class driver for a particular bus, a device must conform to the UAA hardware specifications for that bus. For a device on an internal bus, the UAA hardware requirements …

HD Audio and UAA - Windows drivers | Microsoft Docs

    https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/hd-audio-and-uaa
    This section presents background information about Intel's HD Audio controller architecture and Microsoft's HD Audio bus driver and UAA HD Audio class driver. This section includes: Intel's HD Audio Architecture. UAA Extensions to the HD Audio Architecture. HD Audio Bus Driver. UAA Class Drivers. Communicating Verbs with the HD Audio Codec

Microsoft UAA Bus Driver for High Definition Audio is ...

    https://answers.microsoft.com/en-us/windows/forum/all/microsoft-uaa-bus-driver-for-high-definition-audio/a78e09cc-b165-4e27-9da6-bbafa04ae815
    Microsoft UAA Bus Driver for High Definition Audio is causing high hardware interrupts. Hi, I am running XP SP 2 on Intel Motherboard DH55TC, Core i5 CPU. UAA High Definition Audio class driver is resulting in high hardware interrupts that uses upto 10 to 12% of CPU. The interrupts goes away if I uninstall UAA Bus driver through Device Manager. But this …

Universal Audio Architecture - Windows drivers | …

    https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/universal-audio-architecture
    The Microsoft Universal Audio Architecture (UAA) enables audio devices that comply with the architecture to rely entirely on the operating system for driver support. To be UAA-compatible, a PCI audio adapter must conform to the Intel High Definition Audio specification, which is the successor to the Intel Audio Codec '97 (AC'97) specification.

UAA Extensions to the HD Audio Architecture - Windows …

    https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/uaa-extensions-to-the-hd-audio-architecture
    To be UAA-compliant, a hardware controller must implement the following change to the Intel High Definition Audio Specification: A UAA device must support 256 entries each for the command output ring buffer (CORB) and the response input ring buffer (RIRB). In addition, the Intel HD Audio architecture includes several features that are not required to implement a UAA …

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