The Microsoft UAA (Universal Audio Architecture) Function Driver for High Definition Audio - ADI 1986 is a Windows driverADI 1986 High Definition Audio codec, which is commonly found on motherboards or sound cards. The ADI 1986 codec is responsible for processing audio signals and providing high-quality sound output for your PC.

In simpler terms, the UAA Function Driver ensures that your computer can recognize and properly interact with the audio hardware (ADI 1986) for sound playback, recording, and other audio-related functions.