In communicative systems, coherence and meaning are not imposed upon rhythm—they are rhythm. Spectral coupling describes how oscillations across communicative fields synchronise, producing the shared periodicities that we experience as understanding. Patterns of delay, resonance, and amplitude alignment constitute the grammar beneath language—the field’s temporal architecture of sense. To communicate is to phase-lock; to mean is to sustain rhythm across difference.
The Wiener–Khinchin theorem formalises this principle: autocorrelation through time generates structure in frequency. Meaning arises as the spectral density of coherent recurrence; ambiguity as its superposed harmonics. Both depend on rhythmic continuity. Disinformation and information are not opposites but phases of the same process—modulations of coherence that either stabilise or destabilise systemic rhythm. Each alters the field’s harmonic balance, amplifying or damping specific frequencies of belief and attention.
As Norbert Wiener showed, control and communication are forms of feedback—loops of rhythmic dependency. Spectral coupling extends this into frequency space: systems persist through mutual entrainment, not content transfer. Intervention, therefore, is not censorship but tuning: recalibrating the spectral relationships that allow coherence, divergence, and adaptation to coexist. Entropy remains essential—the dynamic noise that prevents total synchrony and keeps the field alive.