short delay nature of this program. The maximum value selectable is 50ms which,
over the five voices, gives a total spread of 250ms.
At settings below about 6ms useful phasing/flanging/tunneling effects are available.
These effects are especially evident if the outputs are summed to mono.
The 'depth' of the randomising and pitch changing effect is controlled by the DECAY
control.
High frequency filtering of all voices is available.
NOTE:
(1) Phase cancellation and addition are very strong in this program by design,
which can mean that slight adjustment of the input level control may be
necessary dependent on program material to avoid overflow conditions.
(2) This program is designed to be used mainly with voices. Program material
with pure notes or large amounts of high frequency energy may introduce
varying amounts of interference signal components due to discrete stepping
of time increments as in other reverberation systems. This may be reduced
by use of the high frequency filtering control.
In most cases however, very good effects can be obtained from this
program as long as care is taken in choosing the relevant source material.
Program 7 ECHO
This program provides two high quality, completely independent and programmable
outputs from a single input. Control of decay is via PREDELAY, of feedback level
(regeneration) via the DECAY control and high and low filtering can be selected in
the decay path in the normal way.
To select which output to program, the 'A' or 'B' keys should be depressed as
appropriate. The program title will reflect this selection, displaying ECHO A or ECHO
B accordingly.
To allow the greatest flexibility in generating effects with this program, the
maximum delays selectable on each output have been set differently –
ECHO A : 1.2s and ECHO B: 400ms.
This program can be used to great effect for double / triple tracking, longer delays
simulate tape echo, and very long delays with high degree of feedback allow a
musician to effectively 'play along' with himself by laying a new bar on top of
previous slowly decaying bars to build up a very full sound. Since the regeneration
is accomplished in the digital domain, a very clean effect is generated. Both high
and low frequency profiles can be modified.
Program 8 NONLIN 2
This is an unusual program for special effects or loudness enhancement, in which
the sound decays only very slightly for a period of time (set by the decay control),
and then dies away very rapidly. It is especially useful on drums, and at small
settings of decay produces a very good room effect. The decay values are not
calibrated in this mode, but values may be used for reference. Unlike NONLIN 1,
the output is in stereo, and filtering at high frequencies is available.
Program 9 REVERSE 1
This is another special effects program with dispersed reflections on the left output
and more discrete reflections on the Right output.
RMX-16 Digital Reverberation System - 16 - Issue 1
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