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Using
the CP-3
CP-3 Digital Surround Processor
REAR ROLLOFF sets the frequency above which the rear channel sound is
attenuated. It should be high enough to give presence and airiness to the
rear sound, but not so high as to place distracting instrumental overtones or
other sounds behind you. The appropriate setting will vary with program
material.
REAR DELAY Since the rear channel in Music contains extracted ambient
information, it typically does not need as much delay as the film surround
modes. This delay can be adjusted between 8-30 milliseconds. It should not
be set so high as to create a distinct echo in the rear.
DECORRELATE electronically "scrambles" the monaural surround chan-
nel to provide added spaciousness and envelopment through the stereo
outputs.
In Music, MAIN MUTE mutes the front outputs if the system is configured
with side speakers, otherwise it is inactive; EFFECTS MUTE mutes the
center, sides and rear outputs.
EFFECT LEVEL controls the loudness of the center, side and rear outputs.
CENTER LEVEL attenuates the level of the center channel as much as 10dB.
The proper setting for this control will vary depending on the recording and
your taste. There is no "correct" setting.
HIGH PASS removes low frequencies from the center, side and rear
outputs. This is particularly useful if you will be using the Full Range mode
at high volume levels where the low frequencies might damage the smaller
speakers.
SUB BASS BOOST boosts or cuts the subwoofer output level. Although the
normal subwoofer level was set during the initial calibration procedure,
with some recordings you may find it desireable to increase or decrease this
deep bass level.
In Full Range, MAIN MUTE mutes the front outputs if the system is
configured with side speakers, otherwise it is inactive; EFFECTS MUTE
mutes the center, sides (if configured) and the rear outputs.
High Pass Filter
The high pass filter attenuates low fre-
quencies at 9dB per octave. The values
given are for the -3dB point.
Full Range