Example image of eyePlorer eyePlorer map for 'Beat (acoustics)': Acoustics Difference Frequency Interference (wave propagation) Sound Musical tuning Unison Tremolo Resonance Function (mathematics) Phase (waves) Strings (music) List of trigonometric identities Amplitude Hertz Pitch (music) Sine wave Average Harmonic Harmony Interval (music) Equal temperament Just intonation Giuseppe Tartini Italian language Perfect fifth Tuning Organ (music) Alvin Lucier Composer Olivary body Alpha Cygni variable Coupling (physics) David First Intermediate frequency Voix céleste Wolf interval Springtime (guitar) Harmonically related carriers List of experimental musicians Local oscillator Lucy tuning Musical temperament Quasi-synchronous transmission Ryoji Ikeda Folke Rabe Slendro Beat frequency oscillator Music On A Long Thin Wire Phase-locked loop