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Table 5 – Surround Modes
Surround Mode
Description
Dolby Digital
Provides up to five separate main audio channels and a dedicated
low-frequency effects (LFE) channel. May be encoded for Night mode,
which allows the user to apply a compression setting that maintains
intelligibility of softer passages while reducing the loudness of dynamic
passages to avoid disturbing others.
Dolby Digital Stereo
Delivers a 2-channel downmix of Dolby Digital materials.
Dolby Pro Logic II
Analog decoder that derives five full-range, discrete main audio channels
from matrix surround-encoded or 2-channel analog sources. Four
variants are available.
Dolby Pro Logic II
Variant of Dolby Pro Logic II that is optimized for movie and
Movie
television programs.
Dolby Pro Logic II
Variant of Dolby Pro Logic II that is optimized for music selections.
Music
Allows adjustment of sound field presentation in three dimensions:
• Center Width (adjusts width of vocal soundstage)
• Dimension (adjusts depth of soundstage)
• Panorama (adjusts wraparound surround effect)
Dolby Pro Logic II
Variant of Dolby Pro Logic II that emphasizes use of the surround
Game
channels and subwoofer for total immersion in the video gaming
experience.
Dolby Pro Logic
Original version of Dolby Pro Logic that steered a mono signal
containing information below 7kHz to the surround channels.
Dolby Virtual Speaker Simulates 5.1 channels when fewer speakers are present, or a more
enveloping sound field is desired.
Dolby Virtual Speaker
When fewer than five main speakers are present, the Reference
Reference
mode virtualizes the missing speakers with accurate localization.
Select from two- or three-speaker mode, depending on how many
physical speakers are in your system.
Dolby Virtual Speaker
Wide mode may be used with two, three, four or five main speakers to widen
Wide
the front soundstage by virtualizing the locations of the left and right speakers.
DTS Digital Surround
Using a different encoding/decoding method than Dolby Digital,
it also provides up to five discrete main channels, plus an LFE channel.
ADVANCED FUNCTIONS
Incoming Bitstream or Signal
• Dolby Digital 1/0/.0 or .1, 2/0/.0 or .1,
3/0/.0 or .1, 2/1/.0 or .1, 2/2/.0 or .1,
3/2/.0 or .1
• Dolby Digital EX (played as 5.1)
• Dolby Digital 1/0/.0 or .1, 2/0/.0 or .1,
3/0/.0 or .1, 2/1/.0 or .1, 2/2/.0 or .1,
3/2/.0 or .1
• Dolby Digital EX
See below.
• Dolby Digital 2.0 or 2.1
• Analog (2-channel)
• Tuner
• PCM ( 32 kHz, 44.1kHz, 48kHz, 96kHz)
• Dolby Digital 2.0 or 2.1
• Analog (2-channel)
• Tuner
• PCM ( 32 kHz, 44.1kHz, 48kHz, 96kHz)
• Dolby Digital 2.0 or 2.1
• Analog (2-channel)
• Tuner
• PCM ( 32 kHz, 44.1kHz, 48kHz, 96kHz)
• Dolby Digital 2.0 or 2.1
• Analog (2-channel)
• Tuner
• PCM ( 32 kHz, 44.1kHz, 48kHz, 96kHz)
See below.
• Dolby Digital (uses only two-speaker mode
when signal does not contain center channel
information)
• Analog (2-channel)
• Tuner
• PCM (32 kHz, 44.1kHz or 48kHz)
• Dolby Digital (number of channels available
varies by number of channels in signal)
• Analog (2-channel)
• Tuner
• PCM (32 kHz, 44.1kHz or 48kHz)
• DTS 1/0/.0 or .1, 2/0/.0 or .1, 3/0/.0 or .1,
3/1/.0 or .1, 2/2/.0 or .1, 3/2/.0 or .1
• DTS-ES Matrix (played as 5.1)
• DTS-ES Discrete (played as 5.1)
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