The Mercurial Conservatory / Study Instrument

THE SYNODIC ENGINE

CYCLES · PHASE · POLYRHYTHM · RECURRENCE
TWO CYCLES MAY SHARE A PULSE WITHOUT SHARING TIME.
CHOOSE A STUDY OR SET THE CYCLES · ☿ PLAY · PAUSE · STOP · ☿ SAVE
ADJUST CYCLE VALUES OR CHOOSE A STUDY · SAVE PRESERVES THE EXACT STATE
CYCLE A
7
PERIOD / COUNT
RETURNS EVERY 7 PULSES
Type positive groups totaling 7, e.g. 2+2+3.
MASTER CHRONOMETER
84
MASTER PULSES / MIN
4 taps sets the master clock
RELATIONSHIP
VIEW
FRAME
VOICE
E DORIAN · CYCLE SONIFICATION
ARPEGGIO DIRECTION
ASCEND · WRAP AT TOP
PRIMARY TRANSPORT ABOVE · SPACE = PLAY / PAUSE
MODECYCLE
FULL RESET35 pulses
RELATIVE PATTERNREPEATS AFTER 17.5 TIME-UNITS
CYCLE B
5
PERIOD / COUNT
RETURNS EVERY 5 PULSES
Type positive groups totaling 5, e.g. 2+3.
DUAL / COMMON FRAME
STATE UNCHANGED · FRAME CHANGED ONLY
Synodic Engine state visualization Two periodic cycles shown as pulse tracks and idealized orbital phase motion. AB RELATIVE PHASE 0°
Hg STUDIES
PLACE A RETURN

Where do you think both cycles begin together again?

ADVANCED PERIOD SYSTEM

7:5 — SYNODIC

FOUNDATIONAL TWO-BODY
The foundational Engine state. Advanced studies preserve the same mathematical distinctions while adding documented source relationships, long recurrence and multi-body comparison.
RELATIONSHIPCYCLE 7 / 5
RECURRENCE35 pulses
ANALOGY ≠ EQUIVALENCE / SOURCE STUDY ≠ TRANSCRIPTION
IDEALIZED PERIODIC-MOTION ANALOGY · NOT EPHEMERIS    /    ANALOGY ≠ EQUIVALENCE
GUIDED LESSON Follow the Synodic Engine through listening, seeing, counting, placing a hunch, and joining the pulse.
GUIDED STUDY
HEAR → SEE → COUNT → PLACE → TAP
01 / HEAR

Listen before solving.

Start the motion and let the two cycles establish themselves. Notice which voice seems to return sooner, and whether the combined pattern feels like one bar or two independent clocks.