Solfeggio frequencies are specific acoustic frequencies used as structural tonal roots in the composition — the grounding layer from which all polyphonic content is built. Each phase uses one primary solfeggio frequency as its resonance foundation. The specific frequency for each phase of each Sanctuary is documented in that Sanctuary's Technical Passport and in the Solfeggio Frequency Registry in the Laboratory Compendium below.

The binaural carrier is synthesized via a precise phase offset between the
left and right audio channels. Each phase specifies a solfeggio resonance
root (F) and a target carrier differential (Δ). The channels are offset as:

fL = F − (Δ ÷ 2)
fR = F + (Δ ÷ 2)

Example — Sanctuary 002 Phase I (741 Hz root / 10 Hz Alpha carrier):
fL = 741 − 5 = 736.00 Hz
fR = 741 + 5 = 746.00 Hz
Δ = 10.00 Hz [Alpha Focus Axis]

The differential is sub-audible — perceived not as a distinct sound but as a
quality of the acoustic environment when experienced through stereo headphones
with physical left/right channel isolation.

Carrier ranges active across the Ecliptum catalog:

2 Hz — Delta range - Phase IV (Nocturnal Matrix) · constant across all Sanctuaries
6 Hz — Theta range - Phase I / II / III varies by Sanctuary
10 Hz — Alpha range - Phase I / II / III varies by Sanctuary
14 Hz — Beta range - Phase I / III varies by Sanctuary

The binaural carrier differential requires physical left/right channel isolation.
Without it, the carrier collapses and the binaural architecture is non-functional.

Required: stereo headphones with full L/R channel separation.
Disable all audio enhancement, equalisation, spatial simulation, or DSP.

Incompatible setups (will eliminate the binaural carrier):
✗ Mono speakers · laptop speakers · phone speakers
✗ Active noise cancellation with DSP
✗ Apple Spatial Audio · Dolby Atmos · Windows Sonic — OFF
✗ Hardware or software EQ / bass boost — OFF

Fixed engineering targets across every Sanctuary and every phase:

• Format — Uncompressed 24-bit PCM WAV
• Internal resolution — 64-bit floating-point (full session headroom)
• Loudness target — -16.5 LUFS Integrated
• True peak ceiling — -1.0 dBTP
• Dynamic range — DR14 (non-compressed transients preserved)
• Phase correlation — +0.92 Mean
• Spatial topology — 140° stereo expansion (Daylight phases), 60° concentric cocooning (Nocturnal phases)

Lossy compression formats (MP3, AAC) and platform-encoded streaming audio
apply algorithmic processing that alters the phase relationship between left
and right channels. This degradation is not subtle — it functionally eliminates
the binaural carrier differential.

A 10 Hz Alpha carrier synthesized at 736 Hz / 746 Hz will not survive AAC
encoding or platform re-encoding intact. The YouTube editions of each Sanctuary
exist as compressed-quality previews of the compositional environment only.
They do not carry the binaural architecture.

The 24-bit WAV master files from the Store are the only format in which the
complete signal is present.

The fundamental unit of the Ecliptum catalog is the Sanctuary — a complete,
four-phase acoustic and visual environment built around a unified fictional
location, a consistent sonic identity, and a full-day operational framework.

Each Sanctuary contains four Phases. Each Phase addresses a distinct point
in the productive and rest arc of a day:

• Phase I | Focus Vector | 50 min | Deep work - sustained execution
• Phase II | Recovery Interval | 10 min | Inter-block decompression
• Phase III| Pivot Calibrator | 25 min | Evening calibration (see below)
• Phase IV | Nocturnal Matrix | 90 min | Deep rest support (stationary only)

Phase III deploys in one of two pre-assigned profiles per Sanctuary:

• Tactical Action — Alpha/Beta range · active evening calibration and planning
• Deep Wind-Down — Theta range · decompression before rest

The profile for each Sanctuary is disclosed in the product listing and
Technical Passport. It is pre-assigned by Ecliptum and delivered as-is.

Daylight Architecture — active phases:

• Always: Phase I (Focus Vector)
• Phase III when Tactical Action profile

Nocturnal Architecture — recovery and rest phases:

• Always: Phase II (Recovery Interval) and Phase IV (Nocturnal Matrix)
• Phase III when Deep Wind-Down profile

Daylight Architecture — active phases:

• Always: Phase I (Focus Vector)
• Phase III when Tactical Action profile

Nocturnal Architecture — recovery and rest phases:

• Always: Phase II (Recovery Interval) and Phase IV (Nocturnal Matrix)
• Phase III when Deep Wind-Down profile

Frequencies active across the Ecliptum catalog with their standard descriptors.

174 Hz — 174 Hz Solfeggio Layer
285 Hz — 285 Hz Solfeggio Layer
396 Hz — 396 Hz Solfeggio Layer
417 Hz — 417 Hz Solfeggio Layer
432 Hz — 432 Hz Solfeggio Layer
528 Hz — 528 Hz Solfeggio Layer
639 Hz — 639 Hz Solfeggio Layer
741 Hz — 741 Hz Solfeggio Layer
852 Hz — 852 Hz Solfeggio Layer
963 Hz — 963 Hz Solfeggio Layer

Refer to the Technical Passport of each Sanctuary for frequency-to-phase assignments.

Official names for all Ecliptum product units. These names appear identically across all Ecliptum channels.

SKU Names (individual phases):

• Focus Vector — the 50-minute Phase I product
• Recovery Interval — the 10-minute Phase II product
• Pivot Calibrator — the 25-minute Phase III product
• Nocturnal Matrix — the 90-minute Phase IV product
• Sanctuary Complex — the 175-minute four-phase bundle
• Monolithic Continuum — the 3-hour standalone flagship

Subscription Tier Names:

• Focus Resident
• Sanctuary Resident
• Continuum Visionary

Required for all Ecliptum environments:

1 / HARDWARE
Quality stereo headphones with full L/R channel isolation.
Disable all audio enhancement, equalisation, spatial simulation, or DSP:
— Apple Spatial Audio, Dolby Atmos, Windows Sonic → OFF
— Hardware EQ / bass boost → OFF
— Any "audio enhancement" or "surround sound" toggle → OFF

2 / VOLUME
Set playback so the acoustic layer is present but not dominant.
The solfeggio resonances function as an environmental substrate —
below the level of active conscious listening.

3 / ORIENTATION BY PHASE
— Phase I (Focus Vector): Begin active work immediately.
— Phase II (Recovery Interval): Pause work. Recline. Let the reset proceed.
— Phase III — Tactical Action: Shift to review, planning, and preparation.
— Phase III — Deep Wind-Down: Begin transitioning toward rest.
— Phase IV (Nocturnal Matrix): Stationary rest position only.
Do not use while driving or operating machinery.

4 / TIMING
Standard weekly deployment schedule (current configuration — subject to change): Phase I — Monday, Phase II — Tuesday, Phase III — Thursday, Phase IV — Friday. Each phase is complete as a standalone environment and may be deployed independently of the weekly schedule.

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Commercial deployment, public broadcast, redistribution, and sub-licensing are prohibited.
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Ecliptum environments are non-medical performance optimization tools. Not for diagnostic use or management of psychological or physical conditions.