Reference
Frequency glossary (operator desk reference)
Quick definitions for Hz, cents, beat, carrier, solfeggio, cymatics, Schumann, and more.
Dual lens. Science pane = measurable / historical fact pattern.
Mystic pane = living myth, ritual, and cultural meaning. BBM is not a medical device.
◈ Science
- Hz
- Cycles per second.
- Pitch / note
- Perceived highness of a tone; musical systems map Hz to names.
- Cent
- 1/100 of a semitone in 12-TET (log frequency unit).
- Carrier
- Base tone(s) used to carry a binaural difference.
- Beat frequency
- |fL − fR| perceived pulsation rate (the Console “brainwave” design number).
- FFR / ASSR
- Neural responses that can follow rhythmic auditory structure.
- Cymatics
- Visual standing-wave patterns in media (sand, water, plates).
- Schumann resonances
- EM cavity modes of Earth–ionosphere (~7.83 Hz fundamental).
- Solfeggio (modern)
- Popular set of pure-tone Hz with spiritual labels (396, 528, etc.).
- Equal temperament
- 12 equal log steps per octave (modern keyboard standard).
- Just intonation
- Intervals from simple integer ratios (sweeter pure intervals in one key).
- Isochronic
- Pulsed amplitude rhythm in one audio stream (works on speakers).
- Infrasound / ultrasound
- Below / above the typical human hearing band (~20 Hz–20 kHz).
✦ Mystic / Mythos
When a mystic term appears (root chakra, angel number, miracle tone), map it back to a physical layer in this glossary so both languages stay honest.
Operator tip. Headphones for binaural difference tones.
Musical pitch (432 / solfeggio fundamentals) is a different control axis from beat frequency (delta→gamma).
Explore freely; extraordinary healing claims need extraordinary evidence.