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<ARB7050>
37
APPENDIX B: SURROUND EFFECT
This unit has a built-in surround processor for adding presence
and an expansive effect to the sound.
5 Mode Selection with DSP (Digital Signal Processor):
JAZZ:
This gives you the sound field of a jazz club.
DANCE:
A “hot” high-energy sound, with extra reverb for greater
ambience.
SIMULATED SURROUND:
The “SIMULATED SURROUND” creates the effects of
reverberated and reflected sound from the walls and ceiling
similar to a concert hall. These sound-effects added to the actual
sound from the source make you feel as if you were in a more
expanded space. The different ranges of the expanded space
can be set by the REAR DELAY TIME button.
The “SIMULATED SURROUND” also gives effects on monaural
sources by outputting the added reverberated sound from the
rear speakers while outputting the actual source sound from the
front speakers. Turn on the “SIMULATED SURROUND” for a
monaural source to gain effective surround playback.
HALL:
You can enjoy a convincing hall sound.
THEATER:
This gives you the sound field of an atmosphere of a movie
theater.
÷ You can use these five modes in combination with AC-3 and
PRO-LOGIC.
DOLBY PRO-LOGIC SURROUND:
Choose this setting for movies and music (especially Video
Discs and video tapes bearing the
DOLBY SURROUND
mark)
playback.
DOLBY PRO-LOGIC SURROUND continuously detects the size
and direction of the dominant signal and cancels undesirable
crosstalk, thereby providing signal emphasis.
It makes you clearly perceive the directional source of the
music. Real flow of sound also can be re-created naturally using
this feature. You can feel as if being in an outstanding and
expansive sound field.
Even if the video recordings do not bear the
DOLBY SURROUND
mark, some of them may be Dolby Surround encoded.
Choose the SIMULATED SURROUND mode if the source sound
signal is mono. Little or no sound will be heard from the
surround speakers if the DOLBY PRO-LOGIC SURROUND mode
is selected.
DOLBY 3CH LOGIC:
Select “NONE” with the SPEAKER MODE REAR SPEAKER button,
press the DOLBY PRO-LOGIC button ON and DOLBY 3CH LOGIC
is selected.
Combining the rear speaker signal with that of the front speakers
results in your being able to enjoy a regenerated sound field
which has comparatively more presence and a more expansive
feeling from the front 3 channels (front L, front R, and center
speakers) than that of ordinary stereo regeneration. DOLBY 3CH
LOGIC can be used with stereo sources not encoded with
DOLBY SURROUND.
DOLBY AC-3:
Choose this setting for movies and music (especially video
discs bearing the
AC–3 D I G I T A L
DOLBY SURROUND
mark) playback. The
LaserDisc player’s AC-3 RF OUT jack must be connected to
this unit’s AC-3 RF IN jack.
AC-3 is the compression format used when recording 6-channel
audio onto the digital track of film for the SR D (Surround
Digital) movie theater surround system. To enable AC-3 to
reproduce the same multi-track audio in the home on laserdisc,
the six independent audio channels compressed by the AC-3
system are recorded on the right analog stereo channel. Among
these six channels, the sub-woofer signal (SW) is exclusively for
low-range reproduction. Since this SW signal is not really
necessary as far as the total system is concerned, the number of
channels is expressed as 5.1.