How Does Sample & Hold Feedback Change an LFO's Behaviour?

LFO and Sample & Hold Feedback Networks

A simple feedback connection can transform a predictable LFO into an evolving timing source.

The Structure

An LFO triggers a Sample & Hold module.

The Sample & Hold output feeds back to the frequency control of the same LFO.

The trigger source therefore modifies itself.

Self-Modifying Timing

Each newly generated random voltage changes the speed of the next trigger cycle.

As a result:

• Trigger intervals vary.

• Rhythms evolve.

• Repetition decreases.

Advantages

Only a few modules are required.

Despite its simplicity, the patch can generate highly varied timing structures.

Musical Uses

Applications include:

• Generative melodies

• Random clock generation

• Evolving modulation systems

• Ambient sequencing

Conclusion

LFO–Sample & Hold feedback creates a compact self-modifying system capable of producing continuously evolving timing relationships.

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