In a level the pilot's drone is played with the other players' drones through the
game's positioned voice sound, just under its camera, so it gets the game's mixing,
reverb and obstruction. The Windows output only plays it where the game's sound is
not there to take it.
Each remote drone's motor is synthesised and played through the game's positioned voice sound,
the one proximity chat uses, so it is placed in the world and muffled behind walls. The throttle
is worked out from how the drone accelerates, so the drone packet and protocol stay the same.
Full volume only within 1.5 m, heard out to 120 m; the DRONE page's sound volume sets the level.