PLMP Report

windows 7
windows 7 -
64bit
Class Driver AC3
Test - Win7
(System)
06/30/2025 1256 Erratum
Issue Description:
Run AC3 test on a system with the Microsoft HD Audio class
driver installed. Expected results: All AC3 kernel streaming data
ranges should advertise MinimumBitsPerSample = 16 and
MaximumBitsPerSample = 16. Actual results: HD
Audio class driver sometimes advertises
MaximumBitsPerSample = 24.