posted this on October 18, 2010, 13:09
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.
4. Check receiver settings.
Some receivers have an encoding setting. (example: some Sony receivers need to be changed from DEC PCM to DEC AUTO)
5. Check Front Row settings
Enable AC3 Passthrough in Front Row via Media --> Settings menu.
6. Enjoy full 5.1 surround sound!
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