Table A12 – Surround Modes
Surround Mode
Description
Dolby Digital
Provides up to five separate main audio channels and a dedicated
low-frequency effects (LFE) channel.
Dolby Digital EX
An expansion of Dolby Digital 5.1 that adds a surround back channel
which may be played through one or two surround back speakers. May
be manually selected when a non-EX Dolby Digital stream is detected.
Dolby Digital Plus
An enhanced version of Dolby Digital encoded more efficiently, Dolby
Digital Plus has the capacity for additional discrete channels and for
streaming audio from the Internet, all with enhanced audio quality. Source
material may be delivered via an HDMI connection, or decoded to Dolby
Digital or PCM and transmitted via S/P-DIF coaxial or optical digital audio.
Dolby TrueHD
Dolby TrueHD is an expansion of MLP Lossless
used on DVD Audio discs. Dolby TrueHD adds the features found in
Dolby Digital, such as night mode settings, while delivering fully lossless
audio that is a true reproduction of the studio master recording.
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
Mode Group
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 Pro Logic IIx
An expansion of Dolby Pro Logic II that adds a surround back channel
Mode Group
which may be played through one or two surround back speakers. The
Dolby Pro Logic IIx modes may be selected not only with Dolby Digital bit-
streams, but thanks to the AVR 2600's post-processor, they may also be used
with some DTS bitstreams to add a surround back channel to 5.1 modes.
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 Plus decoded and delivered
via coax or optical connection
• Dolby Digital EX
• Dolby Digital 2/2/.0 or .1, 3/2/.0 or .1
• Dolby Digital Plus via HDMI connection
(source device decodes to Dolby Digital
when a coax or optical connection is used)
™
audio, the same format
• Blu-ray Disc or HD-DVD encoded with
Dolby TrueHD, delivered via HDMI
• 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 (32kHz, 44.1kHz, 48kHz, 96kHz)
• Dolby Digital 2.0 or 2.1
• Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
• Dolby Digital 2.0 or 2.1
• Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
• Dolby Digital 2.0 or 2.1
• Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
See below
APPENDIX
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