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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 247’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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