Head to the AVS Forum "Surround Sound Test Files" thread. Users share ISO files for 7.1 Blu-ray test patterns. These are uncompressed, professional-grade sweeps and pink noise.
: Open the Control Panel, go to Hardware and Sound > Sound , select your 7.1 device, and click Configure to run the built-in speaker test [17]. surround sound test 7.1
: A masterclass in directional voices and silence. Head to the AVS Forum "Surround Sound Test Files" thread