Loopriddim — a four-part loop sequencer

The idea here is fairly simple: record four loops, and then sequence them, with each loop having a sequencer track of up to eight steps. The loops can be re-pitched per step, and the ratchets allow for percussive repetitions, either of the whole loop or that part of the loop heard during the step (gated). Each loop can also be given a reverse chance, to add an element of probability into the mix, and the length of each sequence can be shortened, to allow different tracks to phase across one another.

Although the focus of the patch is on rhythm in terms of beat, you can also use the controls to create interesting soundscapes and devolving ambient textures by creating phased loop sequences.

The patch is mono in, mono out, using the left input and output.



Left — tap tempo (the patch also responds to MIDI clock)

Middle — play/stop (the patch also responds to MIDI run commands)

Right — reset (the patch also responds to MIDI reset)

The first page is used to record loops. There is a record button (default latching, but this can easily be changed). There is also a play button for previewing the loops, and a start and length control for trimming the loops. Especially if you wish to make use of ratcheting for rhythmic purposes, trimming away any silence at the beginning of the loop is very useful.

There is also a control called “Gate off.” When you turn this off, loops will play to their end, rather than being muted (gated) at the end of a step. When recording loops, “Gate off” should be on (lit up), so you can hear the previews (this control keeps the VCAs open).

Each track is controlled by a ratchet sequencer (page 1). Set the number of ratchets per step, with 0 equalling off for that step.

Across the bottom are controls called “Attenuate” — increase these to decrease the volume of a given track. (They’re renamed CV inverts directed to the VCAs — I didn’t have CPU for anything fancier.)

There is also a “Swing” control for adding a little swing to the sequencing.

A given step can be repitched (page2). It can also be given a chance to play in reverse.

You can also select the length of the track (page3). The buttons used to do this are pushbuttons, not option buttons, so the first one selected is the one the sequencer will respond to.

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  • Category: Effect Sampler Sequencer
  • Revision: 1.0
  • License: Creative Commons Attribution Share Alike 4.0
  • Views: 1,053
  • Modified: 7 months ago
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