Harman Kardon AVR1550, Owner'S Manual

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20 OPERATION
Operation
Surround Mode Chart
MODE FEATURES DELAY TIME RANGE
DOLBY DIGITAL Available only with digital input sources encoded with Dolby Digital data. It provides Center: 0 ms – 5 ms
up to five separate main audio channels and a special dedicated Low Frequency Effects Initial Setting – 0 ms
channel. Surround: 0 ms – 15 ms
Initial Setting – 0 ms
DTS Available only with digital input sources encoded with DTS data. Available on special Delay time not adjustable
DVD, LD and audio-only discs, DTS provides up to five separate main audio channels and
a special dedicated low frequency channel.
DOLBY PRO LOGIC II Dolby Pro Logic II is the latest version of Dolby Laboratory's benchmark surround technology that Movie and Emulation:
creates or decodes full range, discrete left, center, right, right surround and left surround channels 10 ms - 25 ms,
from either matrix surround encoded programs and conventional stereo sources. The Dolby Initial Setting - 10 ms,
ProLogic II Movie mode is optimized for movie soundtracks that are recorded with matrix Music:
surround, by creating true rear left, center and right signals. The ProLogic II Music mode 0 ms - 15 ms,
should be used with musical selections, that are recorded with matrix surround or with normal Initial Setting - 0 ms
stereo mode, creating discrete rear left and right signals. The ProLogic II Emulation mode creates
compelling five-channel surround from conventional stereo recordings.
DOLBY 3 STEREO Uses the information contained in a surround encoded or two channel stereo program to No surround channels
create center channel information. In addition, the information that is normally sent to the
rear channel surround speakers is carefully mixed in with the front left and front right
channels for increased realism. Use this mode when you have a center channel speaker
but no surround speakers.
THEATER The THEATER mode creates a sound field that resembles the acoustic feeling Delay time not adjustable
of a standard live performance theater, with stereo and even pure mono sources.
HALL 1 The two Hall modes create sound fields that resemble a small (HALL 1) or Delay time not adjustable
HALL 2 medium sized (HALL 2) concert hall, with stereo and even pure mono sources.
5-Channel Stereo This mode takes advantage of multiple speakers to place a stereo signal at both the front and No delay is available for
back of a room. Ideal for playing music in situations such as a party, it places the same signal this mode
at the front-left and surround-left, and at the front-right and surround-right speakers. The center
channel is fed a summed mono mix of the in-phase material of the left and right channels.
SURROUND This mode turns off all surround processing and presents the pure left and right No surround channels
OFF (STEREO) channel presentation of two channel stereo programs.