In the game Star Wars: Battlefront (2015) there is no sound, only occasionally hear the music, and there are no sounds.
First thing to check for all drivers.
Make it better with the help of software Driver Restore. Software automatically checks all the necessary drivers and all updates itself.
Download: Driver Restore
If the drivers are installed go further.
The fact that Star Wars: Battlefront requires directX some files that are necessary for the proper sound.
To solve the need to reinstall DirectX End-User Runtimes, which after installation you will have no problems with the sound in the Star Wars: Battlefront.
Good luck, hope you enjoy Star Wars: Battlefront.