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550 EFFECTS MENU
In some cases, the "Time" parameter should be adjusted, since sometimes the
subjectively perceived reverberation time will also be affected.
• Modulation: For several critical signals, the reverberation may produce disturbing
resonance. These may be scattered via temporal modulation of the algorithm's delay
signals. Exaggerated application of this may cause this with tonal signals may even
sound like a chorus effect. Lower dosages may underscore the liveliness of the
reverberation. In this case, the modulation applies a random pattern, the intensity of
which may be visualized via the mod display.
• Mix: This regulates the ratio of the unprocessed signal to the portion including
reverberation.
Stereo delay
The stereo delay is a simple too for typical bread and butter delay effects. The "analog
algorithm" qualifies as a special feature that produces the sound of echo devices from the
old days.
Stereo delay parameters
• Mode: This selects between the essential algorithms.
• Digital: Normal, transparent delay
• Analog: Simulation of a bucket brigade delay (BBD). These devices, which originate
from the pre-digital era, used analog building blocks for storage. The signal was held for
a short time in a relatively simple circuit and then moved on to the next. This "bucket
brigade" principle created a longer signal delay. But since each element of the chain led
to a loss of the signal and would increase the system noise with longer delays, the
devices would use a compander: At the input, the signal's dynamics are compressed,
and then they are expanded again at the output end. The simulation in the eFX delay
mimics the loss and compander behavior to produce these typical audio characteristics,
especially at longer delay periods and higher repetition rates (feedback).
• Delay L/Delay R: Specify the delay period for the left and right channels here.
• Tempo sync: If this button is active, the plug-in is directed at the host/sequencer
tempo. In this mode, changes are made to the delay period via the L/R delay using the
musical snap grid (e.g. 1/4 note).
• Damping: This specifies the cut-off frequency at which the highs are dampened during
the delay. This useful for making the delays reverberate more naturally or for creating
special effects (reggae/dub-style effects).
• Feedback: This parameter regulates the internal amplitude of the delayed signal that is
fed back to the input. In "Digital" mode, this process is completely transparent; in