TS-12 Musician’s Manual Section 7 — Effect Parameters
7
REFL-1 SEND Range: -99 to +99
Controls the level of the first pre-echo.
REFL-2 TIME Non Lin 1, 3 Range: 0000 to 0600 msec
Non Lin 2 Range: 0000 to 0085 msec
Controls the amount of time it takes for the second pre-echo to be injected into the Density.
REFL-2 SEND Range: -99 to +99
Controls the level of the second pre-echo. Experiment with both positive and negative on all
echoes to change the tonal character of the results.
38 GATED REVERB
GATED REVERB provides an excellent gated reverb. When a reverb is muted part way through, it
creates a gated sound. To achieve this gated effect, both the Gated and Reverse reverbs must gate a
number of internal parameters, not just the output amplitude envelope. It is however, the output
amplitude over which the user has control. The TS-12 offers a highly controllable gated reverb,
optimized for percussive instruments, but useful for any signal. The gate is first opened when the
input signal passes the trigger threshold. This trigger threshold is set as low as possible by the
user, so that none of the input signal is missed. The gated reverb is distinguished from the reverse
reverb by retriggering whenever the input signal passes a retrigger (user programmable) threshold
(see diagrams). The gate will stay open as long as the input signal remains above the retrigger
threshold, and all the input signals will be accumulated under this gate until the total input signal
level falls below the retrigger threshold. When this happens, the Hold time will begin (as shown in
the diagram below). The reason for two thresholds is to eliminate false retriggering and to ensure
precise hold-time durations. If you desire a separate gate on each note, use the Non Lin reverbs.
The topology for the Gated Reverb is derived from the Plate Reverb. The FX-1 and FX-2 parameters
can be routed into the effect with different Dry/Wet mixes.
Gated Reverb with a High Retrigger Threshold
Trigger
Retrigger
Signal
Hold Time
Level
Time
Attack Time
Release
Gated Reverb with a Low Retrigger Threshold
Trigger
Retrigger
Signal
Level
Time
Hold Time
Hold Time
Hold Time
Hold Time
Hold Time
Hold Time
Hold Time
Hold Time
Hold Time
HF DAMPING Range: 00 to 99
This parameter sounds best when set to low values. Its function is to filter out more and more
high-frequency energy. For the most natural sounding reverse effect, we recommend a setting of
00.
DEFINITION Range: 00 to 99
DEFINITION controls the rate at which echo density is increased with time. If set too high, the
echo density will build at a rate that exceeds the decay rate. This can be used for a special effect.
DIFFUSION-1 Range: 00 to 99
DIFFUSION-1 smears the input signal making a smoother sounding reverb. Controls the high-
frequency ranges. For percussion sounds, high values are recommended.
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