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Mutable Instruments Marbles

End of production
7-output random CV / gate module that can control temporal correlation and distribution shape

Format: Eurorack
Width: 18HP
Depth: 25mm
Current: 80mA @ + 12V, 20mA @ -12V
Manual (English)

MUSICAL FEATURES

Marbles is random gate, CV generator with large number of output and CV input. I can make a limit for the output random voltage in various forms (eg :)) such as the appearance degree of the same period with the outside clock, frequency of the repetition and the rare event, the traditional stepped random voltage.
 

t section: Random gate generator

I output a random gate sequence clock in the t section. I make the clock including the error and, based on a clock (divide) which this section makes an internal clock or an outside clock quick in an integral multiple and slowed , do it with a master. Do gap from the rhythm of a musician playing the error to hear a click, Rika bar from there; make a move, and can control the random that is complete from a 100% correct clock continuallyJitterControl).

The algorithm of a gate output by t2 and t1 on the Rate knob left side. The master clock made in this way is output by t3.t section mode choice buttonIn choice is possible and can choose it among the following
  • ・ Algorithm to decide gate ON / OFF like a random coin tossBranchesAs well as). Bias introduces deflection into gate appearance probability from t1 and t3
  • -Algorithm to perform random divide and multiplexing. Bias controls a divide and factor of multiplexing.
  • ・ Algorithm to change the output of t1 and t3 by a kick and the pattern combination such as the snareGridsAs well as). Bias controls a pattern


The length of the gatet section mode choice buttonI can control it by turning Bias in spite of being push. Againt section mode choice buttonThe output gate head changes at random when I turn Jitter in spite of being push and can control the degree.
 

X section: Random CV generator

In this section, I output random CV which assumes the supporting t output (outside clock or common throughout an X section) a clock from X1 --X3. I can control the output random voltage by the following control variously. How do react to these control ; on the SPREAD right side?X section mode change buttonNone of (X1 --X3 which finish appearing, and is substitute possibility panel control just what / X2 panel control just what, X1 and X3 setting / X3 of control and the truth reverse control just what, X1 setting of the truth reverse, X2 a knob setting) corresponding to the middle.

The probabilistic distribution shape of the voltagespreadI control it in knob / CV. A knob is the left most, and the constant voltage is output, and the voltage is output according to the probability distribution that the voltage becomes the central peak when I turn it to the right. When a knob is a position of 12:00, and distribution becomes the bell shape and turns it to the right than it, the appearance probability of the value of the remote edge grows big from the center. A gate signal is output to come to output either minimum of the range or maximum when I finish turning it to the right. The center of the distribution of the X sectionbiasIt is controlled. The range is selectable from 0-2V, 0-5V, -5-5V with a range setting button.

The shape of the output voltageSTEPSControl is possible. STEPS is a position of 12:00, and the stepped random voltage only through normal sample & hold is output. The output voltage leave quantize when I turn it to the right, and only a route notebook (integer bolt) Is output at the end of the right. Only the notebook in a middle scale passes in the meantime, and the scale is setable by the push and hold of the voltage range button. Of the through to smooth off a stepped change when is located left STEPS than 12:00 it is to the voltage that took.

I can change the scale that is made quantize of the output voltage by pushing and holding a voltage range button for a few seconds for two seconds. After having pushed and held a button for a few seconds for two seconds, a color and blinking speed of the LED change when I push it several more times:
  • Green slow blinking: Measure
  • Bitter orange slow blinking: Minor
  • Red slow blinking: Pentatonic
  • Green is early and flashes on and off: Gamelan
  • A bitter orange is early and flashes on and off: Raag Bhairav
  • Red is early and flashes on and off: Raag Shree
I can change these scales. I input a gate into pace CV from a keyboard and a sequencer, X Section clock in Spread and push the outside processing mode button for two seconds. Marbles parses it when I input the musical scale that I want to use in the state and overwrites on a scale choosing now. It is with the musical scale that it is not rich, and is excluded that a thing with a little use frequency passes Steps to the right in the musical scale that I input most from the middle ..

I can use the X output as sample & hold of the outside input voltage not the random voltage. To this end, push the button under LengthOutside voltage use modeSpread CV input becomes the outside voltage performed sample & hold of then. I do movement not to change then with basically internal random voltage use, but the output of the sample & hold functions as X1 → X2 → X3 and moving shift register at every clock at this time when I patch outside clock because the output of X1 --X3 becomes same if the same.
 

Y section: Smooth random source

The Y output is the smooth random voltage of -5V -5V to change at a rate of 1/16 of X2. On the Spread right sideX section mode change buttonPush I change a parameter to support for the Y output when I turn a knob of Rate, Spread, Bias, Steps in spite of being
 

Deja Vu control

t section, the random nature of the X section,Deja VuI can be affected by the control. I determine whether each section is affected by the Deja Vu control with the button of Deja Vu knob both sides. Deja Vu is control to mix loop-like structure with the output random voltage and random gate. for t section and the X section that Deja Vu was assigned, random characteristics disappear in the output by grinding Deja Vu knob midmost; the most recent data for designation step several minutesLengthI play a loop as much as I appointed. The output changes from a loop in front at random gently when I pass Dejavu to the left, and a past random value and the random that there is not of the correlation come to appear at the left position. A thing picked up at random by the most recent data for the designated step is mixed and comes to be output when I turn it to the right from the middle.
 

Interface

 
The explanation of all parts is displayed in mouse over  

DEMO

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