Acer Aspire 8920G - Manual (Page 55)

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English
Note: Disable the beam forming to get the multi-sound source
input.
Using Dolby Home Theater for
surround/multi-channel sound
Your Acer notebook comes with the Dolby Home Theater ® audio enhancement
featuring Dolby Pro Logic IIx, Dolby Digital Live, Dolby Headphone, Dolby
Natural Bass and Dolby Sound Space Expander technologies to give you high-
quality digital surround sound for enjoying movies, games and music in a
realistic, multi-channel audio environment.
Dolby Pro Logic IIx
Dolby Pro Logic IIx creates a vivid 5.1-channel surround sound experience from
any stereo (two-channel) movie, music, TV, or game audio source. Dolby Pro
Logic IIx examines the signal and uses that information to expand audio into up
to 5.1 channels of highly realistic, natural surround sound.
Dolby Digital Live
Dolby Digital Live converts any audio signal in real time from PCs or game
consoles into Dolby Digital for easy connection to home theater systems
through a single digital cable. Users can enjoy PC or game audio entertainment
with exciting realism through home theater receivers or other devices equipped
with Dolby Digital decoding technology.
Dolby Headphone
Dolby Headphone creates a personal surround sound experience using any set
of headphones. The playback of music, movies, and games results in sound that
is more spacious, open, and dramatic, improving listening comfort and making
listeners feel as if the action is happening all around them.
Dolby Natural Bass
A bass enhancement system, which provides up to an octave of downward
extension in the bass response of most speakers.
Dolby Sound Space Expander
A sound stage enhancer, which produces a wide stereo image and improves the
separation of instruments without diminishing the center of the mix.