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Table 8 – Surround Modes
Surround Mode Description Incoming Bitstream or Signal
Dolby Digital Provides up to five separate main audio channels and a dedicated • Dolby Digital 1/0/.0 or .1, 2/0/.0 or .1,
low-frequency effects (LFE) channel. May be encoded for Night mode, 3/0/.0 or .1, 2/1/.0 or .1, 2/2/.0 or .1,
which allows the user to apply a compression setting that maintains 3/2/.0 or .1
intelligibility of softer passages while reducing the loudness of dynamic • Dolby Digital EX (played as 5.1)
passages to avoid disturbing others.
Dolby Digital EX An expansion of Dolby Digital 5.1 that adds a surround back channel • Dolby Digital EX
which may be played through one or two surround back speakers. May • Dolby Digital 2/2/.0 or .1, 3/2/.0 or .1
be manually selected when a non-EX Dolby Digital stream is detected.
Dolby Digital Stereo Delivers a 2-channel downmix of Dolby Digital materials. • 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
Dolby Pro Logic II Analog decoder that derives five full-range, discrete main audio channels See below.
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 • Dolby Digital 2.0 or 2.1
Movie television programs. • Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
Dolby Pro Logic II Variant of Dolby Pro Logic II that is optimized for music selections. • Dolby Digital 2.0 or 2.1
Music Allows adjustment of sound field presentation in three dimensions: • Analog (2-channel)
• Center Width (adjusts width of vocal soundstage) • Tuner
• Dimension (adjusts depth of soundstage) • PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
• Panorama (adjusts wraparound surround effect)
Dolby Pro Logic II Variant of Dolby Pro Logic II that emphasizes use of the surround • Dolby Digital 2.0 or 2.1
Game channels and subwoofer for total immersion in the video gaming • Analog (2-channel)
experience. • Tuner
• PCM (32kHz,
44.1kHz, 48kHz, 96kHz)
Dolby Pro Logic Original version of Dolby Pro Logic that steered a mono signal • Dolby Digital 2.0 or 2.1
containing information below 7kHz to the surround channels. • Analog (2-channel)
•
Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
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 347’s post-processor, they may also be used
with some DTS bitstreams to add a surround back channel to 5.1 modes
.
Dolby Pro Logic IIx
This mode is similar to Dolby Pro Logic II Movie
,
with an added surround
• Dolby Digital 2/0/.0 or .1,
2/2/.0 or .1,
Movie back channel. In addition, it may be selected even when some types of 3/2/.0 or .1, EX
DTS signals are present for a somewhat different presentation.
• DTS 2/2/.0 or .1,
3/2/.0 or .1
• DTS 96/24
• DTS-ES Matrix
• DTS-ES Discrete
•
Analog (2-channel)
• Tuner
• PCM (
32kHz,
44.1kHz,
48kHz, 96kHz)
ADVANCED FUNCTIONS
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