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DC-2 Digital Controller
PCM Effects and Parameters
Note that results will vary depending on room acoustics and the low
frequency capacity of the surround speakers. As side and/or rear speakers
are used for bass enhancement, the effectiveness is improved with speakers
capable of reproducing reproducing low frequencies (LARGE). Using
speakers that are not capable of producing low frequencies (<80Hz) may
cause damage to them.
BASS RT (low frequency reverberation time) depends on MID RT and is
expressed as a multiplier. BASS RT should be set to 1.0 x MID RT for a more
natural effect in smaller spaces.
CENTER LEVEL adjusts the output level from the center speaker.
EFFECT LEVEL adjusts the loudness of the side and rear speakers. When
there are no side speakers, it adjusts the amount of ambient signal mixed
into the main loudspeakers. In Panorama, this control changes the apparent
width of the front soundstage. 0 = ordinary stereo, 62 provides the widest
image.
FRONT STEERING provides four basic settings which have been devel-
oped specifically to optimize center channel signal strength for film and
music. The MUSIC setting is designed for classical and popular music. It
preserves nearly the full width of the front image, even in complex material
with a high vocal level. At the same time, it reproduces film with plausible
separation between the center speaker and the front speakers during dialog.
The FILM setting has excellent frontal image stability through the whole
room during dialog and vocals, while preserving the full width of the front
image in the spaces between dialog, and for music without vocals. The front
image during vocals is noticeably narrower than with the MUSIC setting,
but highly satisfactory nonetheless.
1/2 is similar to the MUSIC setting under most conditions, but will repro-
duce sound in all three front speakers when a strongly centered, or mono
signal is present. This is an excellent choice for heavily centered pop music
such as metal and sounds more natural for broadcast material with a single
announcer. OFF sets the center channel level to 4.5dB less than the front left
and right speakers, and then leaves the level unchanged as the steering
varies. This setting is equivalent to conventional stereo with a slight center
fill.
HALL SIZE allows you to select room sizes of lengths ranging from 4-38
meters, depending on the effect selected.