US Patent 10212517 Head-mounted display system with a surround sound system

Described herein is a head-mounted device including an audio system configured to provide a surround sound audio effect. The device may include one or more of a forehead assembly, a rear-head assembly, a set of speakers, a set of straps connecting the forehead assembly to the read-head assembly, and/or other components. The forehead assembly may include one or more speakers. Individual ones of the straps may include one or more speakers.