Lexicon PCM96 SUR-D [49/64] The parameters
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Lexicon PCM96 SUR-D [49/64] The parameters

Lexicon PCM96 SUR-D [49/64] The parameters
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The parameTers
The PCM 96 contains hundreds of presets, covering just about every pos-
sible need. But you can refine and customize any preset by adjusting its
parameters. Parameters are the building blocks within each preset that deter-
mine how it sounds and behaves.
Each algorithm contains a set of parameters, and a variety of those param-
eters (sometimes from more than one algorithm) are combined to create a
preset. You can edit a machine preset’s parameters via the A, B, and C knobs
(which control the Soft Row; see page 11 for more information), or you
can access parameters located in sub-menus via the Machine menu(see page
26 for more information about the Machine menu). You can edit a system
preset’s parameters by accessing them via the preset’s sub-menus, or you can
edit the parameters in the individual machine presets contained within the
machine preset.
Below are all the algorithm parameters you can edit in the PCM 96. Note
that sometimes parameter names are abbreviated when they appear onscreen
(for example, Delay Level Master may appear as DlyLvlMaster), and they
may have prefixes indicating what channel they control (for example, Level
may appear as RightInLvl, or OutLvl).
To see the parameters in context, refer to the charts beginning on page 47.
Bandwidth
This parameter lets you set the bandwidth of a multimode filter. Bandwidth
is specified in octaves or fractions thereof.
Bass Boost (Room)
This parameter is closely tied to the Bass Crossover parameter. It controls the
boost (or cut) of signal below that crossover.
Depending on the type of impulse response selected, the listener may
become aware of an excess or insufficiency of low frequency output. This
parameter may be used to correct the frequency response.
Bass Crossover (BassXOver)
The Bass Crossover parameter is closely tied to the BassRT parameter. It rep-
resents the frequency below which BassRT has an effect. Note that there are
two of these parameters in the Room algorithm. One is tied to BassRT, the
other is found in the Pattern settings menu and affects the BassBoost.
BassRT
This parameter controls bass reverb time. It is closely associated with the
Bass Crossover and MidRT parameters. BassRT is a multiple of MidRT that
applies to signal below the frequency described by Bass Crossover. If BassRT
is less than 1.0, then the low frequency part of the reverb tail will be shorter
than the midrange part. If BassRT is greater than 1.0, then the low frequen-
cy part of the tail is longer.
Category (Room)
This parameter lets you select a specific category from which a room
response may be chosen. Changes here have a direct effect on the Pattern
Selector parameter.

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