![]() The following table lists the topology categories that audio adapters are most likely to use to describe the capabilities of their subdevices. In the kernel-streaming architecture, topology categories (see KSPROPERTY_TOPOLOGY_CATEGORIES) represent device interface classes. ![]() For each device interface, the INF file specifies a FriendlyName entry value, which is accessible in user mode, under the interface's registry key. The device interfaces specified in the INF file have a one-to-one correspondence with the subdevices that the adapter driver creates when it initializes the device (see Subdevice Creation). A client accesses an audio device through a set of device interfaces that a vendor specifies in the adapter's INF file.
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