Instructions
Select "Settings" from your gaming console's main menu.
Open the "Sound Settings" option.
Select "Audio Output Settings."
Choose the "HDMI" option. You can only get DTS master audio soundtracks on your PlayStation 3 if you are using an HDMI cable.
Select "DTS 5.1 Ch" from the menu on screen. While this screen is open, select any other audio track types you want to be able to experience with your PlayStation 3. Select the "Save" option to save your settings and return to the previous screen.