Harman Kardon AVR 370 Service Manual page 57

AVR
Table A12 – Surround Modes
Surround Mode
dolby digital provides up to five separate main audio channels and a dedicated low-frequency
effects (lfe) channel.
dolby digital ex An expansion of dolby digital 5.1 that adds a surround back channel that may be
played through one or two surround back speakers. may be manually selected when
a non-ex dolby digital stream is detected.
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 truehd dolby truehd is an expansion of mlp lossless
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.
dolby digital Stereo delivers a two-channel downmix of dolby digital materials.
dolby pro logic II mode Analog decoder that derives five full-range, discrete main audio channels from matrix
group surround-encoded or two-channel analog sources. four variants are available.
dolby pro logic II movie variant of dolby pro logic II that is optimized for movie and television programs.
dolby pro logic II music variant of dolby pro logic II that is optimized for music selections. Allows adjustment
of sound-field presentation in three dimensions:
• Center Width (adjusts width of vocal soundstage)
• Dimension (adjusts depth of soundstage)
• Panorama (adjusts wraparound surround effect)
dolby pro logic variant of dolby pro logic II that emphasizes use of the surround channels and
subwoofer for total immersion in the video gaming experience.
dolby pro logic II game original version of dolby pro logic that steered a mono signal containing information
below 7khz to the surround channels.
dolby pro logic IIx An expansion of dolby pro logic II that adds a surround back channel which may
mode group be played through one or two surround back speakers. the dolby pro logic IIx
modes may be selected not only with dolby digital bitstreams, but thanks to the
Avr's post-processor, they may also be used with some dtS bitstreams to add a
surround back channel to 5.1 modes.
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Description
audio, the same format used on
™
Incoming Bitstream or Signal
• 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 EX
• Dolby Digital 2/2/.0 or .1, 3/2/.0 or .1
• Dolby Digital Plus via HDMI connection (source device decodes to
dolby digital when a coaxial or optical connection is used)
• Blu-ray Disc or HD-DVD encoded with Dolby TrueHD, delivered via
hdmI
• 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
See below
• Dolby Digital 2.0 or 2.1
• Analog (two-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
• Dolby Digital 2.0 or 2.1
• Analog (two-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
• Dolby Digital 2.0 or 2.1
• Analog (two-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
• Dolby Digital 2.0 or 2.1
• Analog (two-channel)
• Tuner
• PCM (32kHz, 44.1kHz, 48kHz, 96kHz)
See below
Appendix