A very low, felt-more-than-heard hum used as a grounding bed.
Established audio/sound principle
Frequency Library
Every entry below is a sound experience. Frequencies are described using traditional, cultural and evidence-aware language — never as medical treatment.
Low Frequencies 50–100 Hz
Deep, felt-more-than-heard tones often used as a grounding bed underneath other sound layers.
A smooth low tone often chosen for quiet, steady background listening.
Established audio/sound principle
A warm low tone that reads slightly more present than 50–60 Hz.
Established audio/sound principle
A clearly audible low tone suited to grounding and breathing practice.
Traditional practice
A low tone quiet enough to sit under work or study without pulling focus.
Limited research
The top of the low band — clear, present, still deep.
Established audio/sound principle
Balanced / Foundational 369–432 Hz
Mid-range tones commonly used as the base note of relaxation, reflection and focus sessions.
A mid tone widely used in reflective and intention-setting practices.
Traditional practice
A bright, uncluttered mid tone often paired with study sessions.
Limited research
A grounded mid tone that sits just below standard concert pitch.
Anecdotal / exploratory
The most widely requested GSS tone — the default base for calm sessions.
Limited research
Meditation / Spiritual Traditions 528–999 Hz
Tones that appear widely in meditation, sound-bath and spiritual traditions.
A bright meditation tone frequently paired above 432 Hz.
Traditional practice
A high, shimmering tone for short, attentive sittings.
Anecdotal / exploratory
The brightest GSS seed tone — best used sparingly as an accent.
Not established as medical treatment