Oliverb: Controls
A. FREEZE button. The Freeze button sets reverb to (near) infinite decay, and mutes the
input. This works best with no pitch shifting and a large size.
B. Blending parameter/Audio quality button. Selects which of the blending parameters
is controlled by the BLEND knob and CV input, or selects one of the four audio quality
settings.
C. Load/Save button. See the “Advanced topics” section in the original manual.
D.PRE-DELAY (POSITION). The Position knob controls the time it take for the reverb to
kick in after a sound has gone in (from 0 to about half a second). When a clock is fed to
the Trig input, this knob becomes a clock divider/multiplier for the pre-delay: at 12
o'clock, the pre-delay takes the value of the clock length; clockwise, this clock is divid-
ed, and counter-clockwise it is multiplied following the rates: 1/16, 3/32, 1/8, 3/16, 1/4,
3/8, 1/2, 3/4, 1, 3/2, 2/1, 3/1, 4/1, 6/1, 8/1, 12/1 (borrowed from the Echophon). Note that
the clock division is limited to the largest division not exceeding the maximum delay;
beyond this point, the Position knob will have no effect. Changing pre-delay in real time
is smooth and does not affect pitch (it uses the internal time stretcher).
E. REVERB SIZE (SIZE), The Size knob controls the lengths of all the delays internal to
the reverb, i.e. the size of the emulated room. It varies from a small resonator to a huge
hall.
F. Pitch shift (PITCH) (transposition). Each time the sound is fed back into the reverb, it
can be pitch shifted. The Pitch knob controls, from -1 to +1 octaves how it is pitch shift-
ed. At 12 o'clock, no pitch shifting is applied; fully clockwise, we get the classic shim-
mer effect; lots of oddities can be found in between. To hear the effect of the pitch shift-
er, some sound has to fed back by increasing Decay. Note that Size has an impact on
how well the sound is pitch-shifted: the larger the room size, the more accurate the
pitch shift.
G. Audio INPUT GAIN, from -18dB to +6dB.
H. DECAY (DENSITY) The Density knob controls the amount of sound fed back into the
reverb loop, i.e. the decay time of the reverb tail. Beyond 3 o'clock, this signal is actual-
ly amplified and the reverb enters self-oscillation.
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