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The Cirrus Logic C4213D is an audio codec used in computer audio systems to handle the conversion of digital audio data into analog signals for playback and analog audio into digital data for recording. Depending on the hardware implementation, it supports audio functions such as speaker output, headphone playback, and microphone input. The codec works with the system's audio controller and requires a compatible driver for proper operation in Windows. If audio is missing or malfunctioning after reinstalling Windows, installing the correct audio driver for the computer model can restore sound and related audio features.
