Lexicon PCM NATIVE ROOM, Owner'S Manual

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The Parameters
The PCM Native plug-ins contain presets covering a wide range of needs, but you can refine
and customize any preset by adjusting its parameters. Parameters are the building blocks within
each preset that determine how it sounds and behaves.
Each PCM Native plug-in contains a set of parameters, and a variety of those parameters are
combined to create a preset.
Below are all the algorithm parameters you can edit in the PCM Native Room Plug-in.
Mix and Input
Mix
Mix is the proportion of wet (processed) signal to dry (unprocessed) signal. This must be used
with care. If the plug-in is used as an insert on a single track, then it is probably appropriate
to use the mix control directly in the plug-in. However, reverbs are often used on Aux tracks
and may be sourced over internal busses in the DAW. In this case, it may be better to control
the level on the Aux track rather than wet/dry mix. Not all DAWs feature delay compensation,
so it’s important not to have a dry signal in more than one path (cancellation being a possible
outcome).
The mix parameter is “sticky”. Like other parameters, it is saved and restored by the DAW. But
after the plug-in is loaded, the mix value will stay where you put it, even if you load another
preset in the same plug-in. This makes it easier to preview presets and choose the one you
want, since the mix won’t spring back to 100% every time you load another preset.
Diffusion
Input diffusion is the first part of processing for any signal entering a reverb or delay. It can be
described as a smearing or softening of the signal and is typically used to lessen the impact of
strong transients.