Play 48 KHz WAVs on your front height speakers, e.g. to test their audio fidelity (set speaker type in receiver to "Large" to prevent LF redirection).
Requires successful activation of Dolby Atmos/DTS:X for home theater, on PC with the Dolby Access/
https://www.microsoft.com/store/productId/9N0866FS04W8
DTS Sound Unbound app
https://www.microsoft.com/store/productid/9PJ0NKL8MCSJ
Source code available at
https://github.com/sonic74/Xbox-ATG-Samples