User guide

Defining your own presets
27
The digital surround processor provides sophisticated treble and
bass controls, to allow you to adjust the broad balance of the
system to correct for the acoustics of your listening room, or for
a misbalanced recording. The controls are more subtle than
conventional tone controls, and take advantage of digital signal
processing techniques to provide a more natural adjustment of
the frequency response. You can also change the absolute
phase of the signal, to compensate for recordings which are out
of phase.
In each case all the outputs of the digital surround processor are
given the same adjustment, to ensure a correct surround effect.
If you have a Meridian DSP loudspeaker the bass and treble
controls appear on the 568.2 but adjustment is performed in the
speaker; for more information see the relevant loudspeaker guide.
To change the treble
● Press > or < (remote) until the display shows the current
treble.
For example:
Treble +1.5
● Press A or V (remote) to change the treble.
The treble control tilts the frequency of the response over the
entire frequency range to make the sound brighter or dimmer. It
can be adjusted between ±10dB in 0.5dB steps. Normally
settings between +1.0 and -2.0 will give the most natural results.
To change the bass
● Press > or < (remote) until the display shows the current bass
setting.
For example:
Bass +0.5
The bass control allows you to adjust the bass response in the
room by ±5dB in 0.5dB steps. Normally settings between +3.0
and -2.0 will give the most natural results.
● Press A or V (remote) to change the bass.
To change the absolute phase
● Press > or < (remote) until the display
shows the phase; for example:
Phase +
● Press A or V (remote) to change the phase.
Changing treble, bass, or phase