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On Screen Menu: Audio
Surround Sound
Turn on 5.1 digital surround sound which employ
5 speakers (3 front, 2 rear) and a subwoofer to
provide a truer, more immersive audio experience.
Dialog Clarity
Adjust high frequency audio clarity to enhance
dialog while, unlike SPEECH mode, keeping
background volume steady. Select High, Medium or
Low intensity.
Advanced Audio Settings
Auto Volume Control
Turn on auto volume control to level out loud
commercials and make quiet dialog more audible.
Digital Audio Output
Change the format of digital audio outputs for
different types of external amplifiers and audio
devices.
PCM: Pulse Code Modulated, used for Dolby
systems
RAW: Raw Audio Output, used with systems
other than Dolby
Digital Audio Delay
Adjust the delay sent from digital audio signals
(coaxial, optical).
Lip Sync
Adjust the delay in which all audio signals are sent
to allow for better lip sync with on screen dialog.