This update enables the Wake On Voice feature from Modern Standby.
How to get this update
This update will be downloaded and installed automatically. It will be listed in the Windows Update history as follows:
Realtek Semiconductor Corp. driver for Realtek High Definition Audio(SST)
This update is available for Surface Studio devices that have Windows 10 Creators Update installed.
You don't have to restart the computer after you apply this update.
Update replacement information
This update doesn't replace a previously released update.
Realtek High Definition Audio(SST) (v18.104.22.16861)
Learn about the terminology that Microsoft uses to describe software updates.