Stochastic Mode: OXI ONE MKII manual

6.8 Stochastic Sequencer Mode

Stochastic mode is a generative sequencer that doesn't follow the normal pattern creation conventions but uses a random generative engine to create and control evolving patterns. Columns represent notes not steps. Feed the sequencer with notes and apply settings using the grid as a control interface to generate and mutate rhythms and melodic passages. It is important to note that while the grid shows the dynamic playhead movement, this only acts as a visual synchronisation reference for speed and length. The playhead is playing an ‘invisible’ phrase and has no positional relationship with the visible stochastic grid controls.

Use stochastic mode to experiment and explore generative patterns, lock in those that capture your attention and even copy the captured pattern phrase into a mono, poly or multitrack sequencer for further development.

Column pad represent a note value from the scale and the probability that a note will play. The 12 columns represent the available notes (out of scale in red)

Sets the number of steps that the pitch randomization engine will affect. 100% - all steps randomized each cycle. 0% - no steps randomized, current phrase is locked in.

Each pad represents 1 octave up / down the range that the pitch randomization will operate within.

Stochastic Sequencer Architecture

The stochastic term refers to random probability distribution. The same core principles that form ONE’s Stochastic sequencer mode. The following illustration will help to understand the sequencer operating model which is a little different in architecture to the others discussed so far. It is important to remember that in this mode, steps are generated and not programmed into a pattern.

Pattern Length

The start and end of the generated phrase can be edited in the Stochastic page view or the supplementary velocity and gate pages.

Stochastic Sequencer Parameters

Stochastic mode follows the same principles for the sequencer setup, track and step options which have been covered elsewhere in this manual. The main page includes an instant modulation control on knob 4 in place of the standard repeat option. The [Page] button will flash to signify that multiple pages exist. Press [Page] to to cycle through the available pages.

Track Menu Options

Multi mode has a 8 tracks where specific settings can be configured for each by using the track menu options. Each collection of parameter settings in these pages is relevant only for the selected track.

Ofs. Base note offset for all notes in the track. Knob 2.

Div. Randomisation of time division. Knob 3.

Dir. Playback direction for the selected track. Knob 4.

Step Options

Stochastic mode does not have any global or individual step parameters that can be edited.

Modulation

As with all modes, Stochastic includes 8 independent modulation lanes, accessed with the [Mod] button. In addition a quick modulation lane is available using knob 4 'MOD' on the main page.

STCH 105.0

To reset a parameter back to its default setting, press and hold the respective knob for >2 seconds.

Shifting the Pattern Position

The notes generated can be shifted forwards and back using the arrow buttons.

Shift the generated pattern phrase earlier / left or later / right on the grid by 1 step for each press of the button combo. Only steps within active start / end range are affected.

Clearing the Generated Pattern

The phrase can be cleared fully using the clear command.

Hold [Shift] + [Paste] to clear the pattern phrase. To fully clear the pattern Hold [Shift] + hold [Paste] for several seconds.

Velocity & Gate

A velocity value and gate length curve and modwheel can be drawn on the grid in Stochastic mode. Any new patterns generated will follow the velocity profile created. This can be visualised in the velocity view with the follower enabled. This is accessed in stochastic mode by pressing the (Vel) Knob 1 or (Gate), Knob 3 from the main ‘home’ sequencer page. Turn (Vel) or (Gate) to globally adjust all step values.

Copy, Paste and Clearing Patterns

A useful option when working in Stochastic mode is the ability to copy a phrase pattern generated in Stochastic mode and pasted into a mono, poly or multitrack sequencer. This is useful when using Stochastic mode as an experimental tool and then developing the ideas further in another sequencer.

To copy from the stochastic sequencer, example copy from 8 to sequencer 1. Hold [Copy] + [8] to copy the stochastic pattern.

To paste to a mono or poly sequencer. Hold [Paste] + [1] to paste the pattern from sequencer 8 into 1. For multitrack sequencers, select the sequencer first then paste into the track using column 1 pads.