Budget-friendly devices (e.g., many Acer Spin models). Kaby Lake / Amber Lake: Mid-range to high-end convertibles. Gemini Lake: Popular modern budget Chromebooks. Comet Lake / Tiger Lake: Newer, high-performance devices.
The CoolStar driver sidesteps these issues by ignoring the broken stock SST service and re-routing audio through a modified HDA (High Definition Audio) bus interface. coolstar sst audio driver download