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APPENDIX
Table A13 – Surround Modes
Surround Mode | Description | Incoming Bitstream or Signal | |
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Dolby Digital | Provides up to five separate main audio channels and a dedicated low- | •• Dolby Digital 1/0/.0 or .1, 2/0/.0 or .1, 3/0/.0 or .1, | |
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| frequency effects (LFE) channel. | 2/1/.0 or .1, 2/2/.0 or .1, 3/2/.0 or .1 |
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| •• Dolby Digital EX (played as 5.1) |
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| •• Dolby Digital Plus decoded and delivered via coax or |
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| optical connection |
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Dolby Digital EX | An expansion of Dolby Digital 5.1 that adds a surround back channel | •• Dolby Digital EX | |
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| which may be played through one or two surround back speakers. May | •• Dolby Digital 2/2/.0 or .1, 3/2/.0 or .1 |
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| be manually selected when a |
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Dolby Digital Plus | An enhanced version of Dolby Digital encoded more efficiently, Dolby | •• Dolby Digital Plus via HDMI connection (source device | |
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| Digital Plus has the capacity for additional discrete channels and for | decodes to Dolby Digital when a coax or optical |
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| streaming audio from the Internet, all with enhanced audio quality. | connection is used) |
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| Source material may be delivered via an HDMI connection, or decoded |
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| to Dolby Digital or PCM and transmitted via |
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| digital audio. |
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Dolby TrueHD | Dolby TrueHD is an expansion of MLP Lossless™ audio, the same format | •• | |
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| used on DVD Audio discs. Dolby TrueHD adds the features found in Dolby | delivered via HDMI |
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| Digital, such as night mode settings, while delivering fully lossless |
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| audio that is a true reproduction of the studio master recording. |
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Dolby Digital Stereo | Delivers a | •• Dolby Digital 1/0/.0 or .1, 2/0/.0 or .1, 3/0/.0 or .1, | |
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| 2/1/.0 or .1, 2/2/.0 or .1, 3/2/.0 or .1 |
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| •• Dolby Digital EX |
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Dolby Pro Logic II | Analog decoder that derives five | See below | |
Mode Group | channels from matrix |
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| Four variants are available. |
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Dolby Pro Logic II | Variant of Dolby Pro Logic II that is optimized for movie and television | •• Dolby Digital 2.0 or 2.1 | |
| Movie | programs. | •• Analog |
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| •• Tuner |
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| •• PCM (32kHz, 44.1kHz, 48kHz, 96kHz) |
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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 |
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| •• Center Width (adjusts width of vocal soundstage) | •• Tuner |
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| •• Dimension (adjusts depth of soundstage) | •• PCM (32kHz, 44.1kHz, 48kHz, 96kHz) |
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| •• Panorama (adjusts wraparound surround effect) |
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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 |
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| experience. | •• Tuner |
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| •• PCM (32kHz, 44.1kHz, 48kHz, 96kHz) |
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Dolby Pro Logic | Original version of Dolby Pro Logic that steered a mono signal | •• Dolby Digital 2.0 or 2.1 | |
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| containing information below 7kHz to the surround channels. | •• Analog |
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| •• Tuner |
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| •• PCM (32kHz, 44.1kHz, 48kHz, 96kHz) |
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