Resonance is the standard physical phenomenon: one vibrating system sets another into sympathetic vibration at a shared frequency. We use the term in this sense.
In our installations, resonance operates at three scales.
Module scale. Several module types in the library we are designing are built around it: “resonant-breathing modulation layers” pace with breath, “somatic resonance benches” vibrate at chosen frequencies that the visitor sits on or against.
Compositional scale. A harmonic framework chosen per installation holds every audio response in the same key. Every module’s audio sits inside one harmonic field. The installation’s multiple sources resonate with each other rather than running as noise.
Nervous system scale. External frequencies — paced light, structured sound — can set the nervous system into sympathetic vibration with them. The body has its own natural resonant states: heart rhythm, breath cycle, and brainwave bands. When the external signal matches a natural resonance, the body can synchronise with it and return toward that state. This is the mechanism underneath entrainment.