The HD Audio bus driver exposes the HD Audio DDI to its children, which are instances of the audio and modem drivers that manage the codecs.The version of the HD Audio bus driver that runs on Windows Server 2003 and Windows XP supports three variants of the HD Audio DDI.A DDI that is defined by the structure. 2 minutes to read.In this articleIn Windows Vista, Microsoft will provide the following two drivers as part of the operating system.A bus driver for managing an Intel High Definition Audio (HD Audio) bus interface controller.A (UAA) class driver for managing a UAA-compliant audio codec (or possibly more than one codec) that is connected to an HD Audio controller.

For an overview of Microsoft's UAA, see the white paper titled Universal Audio Architecture at the website.The HD Audio bus driver implements the HD Audio device driver interface (DDI), which kernel-mode audio and modem drivers use to communicate with hardware codecs that are attached to the HD Audio controller.

Read more > Our Commitment to Excellence For years, Detex has strived to build products that could be trusted to perform. From our original ECL-230D to the ultra rugged ECL-230X break-in prevention hardware, Detex has your back door covered. For information about the HD Audio controller architecture, see the Intel High Definition Audio Specification at the website. The Detex line of Exit Control Locks is built for maximum strength. 2 minutes to read.In this articleIn Windows Vista, Microsoft will provide the following two drivers as part of the operating system.A bus driver for managing an Intel High Definition Audio (HD Audio) bus interface controller.A (UAA) class driver for managing a UAA-compliant audio codec (or possibly more than one codec) that is connected to an HD Audio controller.Microsoft also will develop a similar HD Audio bus driver and UAA HD Audio class driver for systems that run Windows Server 2003, and Windows XP.

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