1. Enable Dolby Pro Logic
Ensure 'Dolby Pro Logic' is selected in System Preferences --> Perian under Audio Options.
2. Connect your receiver.
Audio connection must be a digital connection (optical or HDMI).
3. Change sample rate to 48KHz.
- Open the 'Audio MIDI Setup' app located in the '/Applications/Utilities' folder.
- Source should be set to 'Digital Out'
- Change the format to
48000.0 Hz, and
4. Check receiver settings.
Some receivers have an encoding setting. (example: some Sony receivers need to be changed from
DEC PCM to
5. Check Front Row settings
Enable AC3 Passthrough in Front Row via Media --> Settings menu.
6. Enjoy full 5.1 surround sound!