Download this patch for the Microsoft UAA Bus driver for High Definition Audio (High Definition Audio is often abbreviated to HD Audio). The update installs the Microsoft driver and enables the UAA Bus driver feature on your motherboard. Download the latest drivers for your High Definition Audio Bus to keep your Computer up-to-date. Follow these steps to fix Audio Device on High Definition Audio Bus Driver issue in Device Manager. Apply to Windows 10, 7 & 8. Microsoft Universal Audio Architecture bus driver free download are necessary for high definition audio. Microsoft UAA sound driver is supported to Dell, HP and Intel based computers with supporting all Windows OS.
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The HD Audio bus driver is the only software component that directly accesses the hardware registers of the HD Audio bus interface controller. The bus driver exposes the HD Audio DDI that its children--instances of the function drivers that control the audio and modem codecs--can use to program the HD Audio controller hardware. In addition, the bus driver manages the HD Audio Link hardware resources, which include the DMA engines and bus bandwidth. Function drivers allocate and free these resources through the HD Audio DDI.
The HD Audio bus driver:
Location 65535 Internal High Definition Audio Bus Driver Free Download
The HD Audio bus driver does not provide:
Nvidia High Definition Audio Driver
During device enumeration, the HD Audio bus driver detects the codecs that are attached to the HD Audio controller's HD Audio Link. For each codec, the bus driver loads one function driver (if available) for each function group that it finds within the codec. For information about function groups, see the Intel High Definition Audio Specification at the Intel HD Audio website.
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