DigiTech RP12 Owner's Manual page 30

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Section 4 - Effects and Parameters
RV Spread.....................Controls the dispersal and density of reverber-
ations through the course of the early portion
of RV RT60. BigVerb's RV Spread varies in 20
ms increments from 20-180 ms. MFX Reverb's
RV Spread varies in 10 ms increments from
10-100 ms.
RV Diffusion ..................RV Diffusion controls the smoothness of the
reverberation. In a real room, reverberation is
naturally diffused by air. However, diffusion
can also be affected by temperature, humidity,
and the presence of absorptive or diffusive
materials in the reverberant space. Ranges
from 1 to 10.
RV Hi-Freq Decay .........Controls the decay length (damping) of the
high frequency reverberations. Variable form
25Hz to 18kHz.
RV Hi-FrqRolloff ............This is a low-pass filter that sets the rolloff fre-
quency of the Reverberation. This is a band-
limiting control, and the frequencies above the
setting of this Parameter will be rolled off
rapidly. Variable from 25Hz to 18kHz.
RV Size .........................Sets the apparent size of the reverberant
space. As the setting of RV Size is increased
or decreased, the setting of RV RT60 changes
to correspond with the new room size setting.
However, changing the setting of RV RT60
does not affect the setting of RV Size.
Ranges from 1 to 10.
RV RT60 .......................Controls the length (RT60) of the reverb.
Ranges in seconds from 0.01 to 20.00.
RV Level........................Sets the overall level of the reverberations.
Varies from 0 to 100.
RP-12 Owner's Manual