What is Realtek High Definition Audio (SST) Driver?

The Realtek High Definition Audio (SST) driver is used to enable and manage audio playback and recording functionality on systems with Realtek audio chips. Specifically, the "SST" stands for Smart Sound Technology, which is a set of features designed to enhance the audio experience, including improved sound quality, power management, and better system integration for things like surround sound or voice detection.

This driver is commonly used in desktop computers, laptops, and motherboards that feature Realtek’s audio solutions. The driver package typically includes software to manage audio settings, such as volume control, sound effects, input/output configurations, and other audio-specific features.