sentences:  HDR Audio allowed differing sound levels to be perceived by the player whilst Destruction 1.0 allowed players to destroy the environment.A newer version of Frostbite would later be employed in "Battlefield 1943" (2009) and "" (2010), which would come to be known as Frostbite 1.5.In the upgraded game engine, it was now possible for players to cause enough destruction to entirely demolish structures.