Surround Mode
Description
Incoming Bitstream or Signal
Dolby Digital
Provides up to five separate main audio channels and a dedicated low-frequency
effects (LFE) channel.
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 coaxial or •
optical connection
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 coaxial or
optical digital audio.
Dolby Digital Plus via HDMI connection (source device decodes •
to Dolby Digital when a coaxial or optical connection is used)
Dolby TrueHD
Dolby TrueHD is an expansion of MLP Lossless
™
audio, the same format 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 studio master recordings.
Blu-ray Disc or HD-DVD encoded with Dolby TrueHD, delivered •
via HDMI
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
Mode Group
Analogue decoder that derives five full-range, discrete main audio channels from
matrix surround-encoded or two-channel analogue sources. Four variants are
available.
See below
Dolby Pro Logic II
Movie
Variant of Dolby Pro Logic II that is optimised for movie and television programs.
Dolby Digital 2.0 or 2.1 •
Analogue (two-channel) •
Tuner •
PCM (32kHz, 44.1kHz, 48kHz, 96kHz) •
Dolby Pro Logic II
Music
Variant of Dolby Pro Logic II that is optimised for music selections. Allows
adjustment of sound-field presentation in three dimensions:
• Centre Width (adjusts width of vocal soundstage)
• Dimension (adjusts depth of soundstage)
• Panorama (adjusts wraparound surround effect)
Dolby Digital 2.0 or 2.1 •
Analogue (two-channel) •
Tuner •
PCM (32kHz, 44.1kHz, 48kHz, 96kHz) •
Dolby Pro Logic II
Game
Variant of Dolby Pro Logic II that emphasises use of the surround channels and
subwoofer for total immersion in the video gaming experience.
Dolby Digital 2.0 or 2.1 •
Analogue (two-channel) •
Tuner •
PCM (32kHz, 44.1kHz, 48kHz, 96kHz) •
Dolby Pro Logic
Original version of Dolby Pro Logic that steered a mono signal containing
information below 7kHz to the surround channels.
Dolby Digital 2.0 or 2.1 •
Analogue (two-channel) •
Tuner •
PCM (32kHz, 44.1kHz, 48kHz, 96kHz) •
Harman Virtual Speaker
Simulates 5.1 channels when only two speakers are present or a more enveloping
sound field is desired.
Dolby Digital •
Analogue (two-channel) •
Tuner •
PCM (32kHz, 44.1kHz or 48kHz) •
Table A9 – Surround Modes
Appendix
0296CSK - HK (x65Series) AVR158-230 OM [HKP1992], WORK05.indd 30 30/06/11 14:00:06
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