Tuning Fork — C256 (Scientific Pitch)
Directly measured, standardized, or well-supported in mainstream scientific or technical literature.
This entry describes an instrument or resonance reference. Therapeutic outcomes depend on context, level, instrument build, and listener response.
Review the evidence modelC256 tuning fork is used in medical diagnostics (Weber and Rinne tests). Also called "scientific pitch" or "philosopher's C." C256 = 2^8 Hz, making octave relationships mathematically clean.
Sources
Used for heart, breath, circadian, and other biological rhythm references.
Cardiology, physiology, chronobiology, and cell biology references.
Historical Use
Medical diagnostics (hearing tests, neurological exams), Pythagorean tuning reference
Octave Ladder
Every audible octave of this frequency — the same tone, higher and lower.
Nearby in the Atlas
Entries within ±35 cents of this tone when reduced to the same octave — candidates for pairing or comparison.