Question: sequencers how select start step?

[poulpoulsen]

Hello, thanks for your wonderful collection. I just switch to them and practice your tutorials. Especially ratcheting is my favorite composition help.
Now i wonder how to select Start and stop for a sequencer, better phrase , inside a longer sequence,say 32step.
As far as i understood, i need a delayed phasor with a Start pulse. Because phasor must change to move the sequencer forward. Or directly trigger a step. Is this correct?
How could i create a phasor to select a Start step and stop step inside the longer sequence?
Useful for playing small parts in different order or repeating.
Regards
Karl
PS: ratcheting has nothing to do with my question. Only a short info for you.
And i know that i could divide a sequence with step knob and repeat knob. But i want to dynamically change this. E.g. during playing recombinate short fragments of melodies.

[mhetrick]

Cross post from the VCV Forum:

This is surprisingly tough with the current set of modules, especially if you want it under CV control.

Essentially, you would change the Start by adding an offset to the phasor, and then attenuate it to determine the sequence width.

The problem is that you’ll want to also change the “speed” (the slope) of the phasor so that the subsection is running at the same speed. It’s a rather tricky problem.

I have a mental design for a module where it takes in a phasor, generates a new phasor at 1x the speed, but allows you to change the internal wrap bounds. That way, the phasor is always advancing at the same rate, but it repeats within a certain region. I’ll probably need to do two versions of this: one locked to step widths, and one that’s completely free.