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NORD MODULAR G2 V1.4x 13. Module reference: Random group
Page 193
RANDOM GROUP
Random signal generators can be used to create random variations in a sound. This class of modules is
closely related to audio noise generators, as noise is also a random signal. But while noise is an audio
signal where each frequency in the hearing range is present, randomness is not about audio frequencies
but about generating sequences of random values to be used as control signals. Random values can be
used to e.g. give human feel to musical events like key presses, sequenced notes, etc. In practice random
signal generators produce a constantly changing sequence of values on their outputs, where each next
value appears to be randomly chosen. Still, a new value is always generated in some relation to a previous
value and it is this relation to the previous value that defines how the sequence of values evolves over a
longer time. When there are only little differences to the previous values, the signal will evolve gradually.
But when there are a lot of differences the signal might evolve wildly and appear to jump all over the
place. The random signals can be smooth control signals or stepped signals. Some random signal
generators can be run at audio rate, in which case their output signal will sound like common audio noise.
Tweaking the controls on the module will change the timbre of the noise.
The G2 offers two classes of random signal generator modules, depending on whether the next value is
initiated by an internally generated clock or an external clock signal. The class with the internal clock
creates a continuously evolving signal and modules in this class are similar to LFO's with a random
waveform output, but the dedicated random modules offer much more control over the random wave
shape. Modules in this class have Rate controls to set the rate at which new values are generated. The
other class of random modules creates a new random value after receiving a trigger command from a
clock signal, hence their name 'clocked random generators'. Modules in this class lack Rate controls,
instead they need a gate or oscillator signal connected to their trigger input to produce a new value.
Clocked random generators are very useful to add some human feel to a musical event. E.g. when the
keyboard gate is used to trigger a clocked random generator, there is a random signal available which can
variate the cutoff frequency of a filter, create a slight detune of an oscillator, etc. Clocked random
generators are also very useful to variate sequencer patterns or are used to play notes at random. When
the modules are clocked by the ClockGenerator module 1/16th output and the ClockGenerator module
is set to the Master setting, the random steps will be synced to Midiclock, either by the G2 internal Midi
Masterclock or by the Midiclock signal that is received on the Midi In connector. Patching an EventSeq
module between the ClockGenerator output and a clocked random signal generator makes it possible to
define exactly on which notes in a bar a new random value is created.
Clocking by a red or orange signal will change the clocked modules into audio mode. In this mode the
module can be clocked at variable clock rates up to 48kHz, turning the module into a flexible ’LoFi’ noise
generator.
C
OMMON
RANDOM
GENERATOR
PARAMETERS
R
ATE
The Rate controls and Pitch inputs work exactly the same as those on the Lfo modules,
read the section on Common Lfo parameters in the Lfo section to learn more about
their workings.
See also "Common LFO parameters”.
P
OLY
When the Mono/Poly control is in Mono mode it will use the same pattern for all voices in a
Patch. When set to Poly mode the module will instead create different patterns for each voice. In
other words, if set to Mono the voices share one global pattern from the Random module, and if set to
Poly mode each voice has its own individual pattern that is different to the pattern in another voice.
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Productinformatie
| Merk | Nord |
| Model | Modular G2 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 60689 MB |
