Harman-Kardon AVR 3550HD - Manual (Page 57)

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APPENDIX
Surround Mode Description Incoming Bitstream or Signal
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 3550HD’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. 3/2/.0 or .1, EX
• Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
Dolby Pro Logic IIx This mode is similar to Dolby Pro Logic II Music, including the availability • Dolby Digital 2/0/.0 or .1, 2/2/.0 or .1,
Music of center width, dimension and panorama adjustments. Dolby Pro Logic IIx 3/2/.0 or .1, EX
Music adds a surround back channel. • Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
Dolby Pro Logic IIx This mode is similar to Dolby Pro Logic II Game, with the added benefit • Dolby Digital 2/0/.0 or .1
Game of a surround back channel. • Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz or 48kHz)
Dolby Virtual Speaker Simulates 5.1 channels when only two speakers are present, or a more See below
Mode Group enveloping sound field is desired.
Dolby Virtual Speaker When only two main speakers are present, the Reference mode virtualizes • Dolby Digital (uses only two-speaker mode
Reference a full surround presentation with accurate localization. when signal does not contain center channel
information)
• Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz or 48kHz)
Dolby Virtual Speaker Wide mode may be used with two main speakers to widen the front • Dolby Digital (number of channels available
Wide soundstage by virtualizing the locations of the left and right speakers. varies by number of channels in signal)
• Analog (2-channel)
• Tuner
• PCM (32kHz, 44.1kHz or 48kHz)
DTS Digital Using a different encoding/decoding method than Dolby Digital, it also • DTS 1/0/.0 or .1, 2/0/.0 or .1, 3/0/.0 or .1,
provides up to five discrete main channels, plus an LFE channel. 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)