Scales

Intellijel 8HP
fw 1.0.1
QUANTIZER SEQUENCER TRIGGER

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Dual-channel note quantizer and SH-101-style step sequencer. Two independent quantized outputs, 35 scale slots across 5 banks, per-output shift modes (PRE/POST/DIATONIC), learn-mode scale capture, DUAL quantizer or 128-step sequencer modes.

Patch Ideas · 6

★ LFO to arpeggio
Slow triangle LFO → PITCH · clock → TRIG · active scale = minor pentatonic · clock samples LFO into steps along the scale · one LFO becomes a melodic arpeggio that follows the LFO shape
▸ Show diagram
Patch diagramPatch diagram with 5 modules and 4 connections. Modules: Scales, LFO, Clock, VCO, ENV. Signals: 1 cv, 1 pitch, 1 gate, 1 trigger.ScalesLFOClockVCOENVScale: minor pentatonicPITCHcvIn TRIGtrigOUT A1v/octOut TRIGgateOutcvOuttrigV/Oct1v/octGategatecvpitchgatetrigger
★ Two-voice harmony
Sequencer pitch → PITCH · INTRVL DIATONIC + 2 · OUT A drives VCO 1 (melody) · OUT B drives VCO 2 (third above) · instant two-voice harmony that follows scale contour · no matter the scale, intervals stay diatonic
▸ Show diagram
Patch diagramPatch diagram with 5 modules and 5 connections. Modules: Scales, Sequencer, VCO 1, VCO 2, ENV. Signals: 3 pitch, 2 gate.ScalesSequencerVCO 1VCO 2ENVScale: major · INTRVL DIATONIC +2PITCH1v/octIn TRIGgateOUT A1v/octOUT B1v/octPitch1v/octGategateV/Oct1v/octV/Oct1v/octGategatepitchgate
Dual quantizer polyphony
CONFIG · DUAL mode · PITCH = voice 1 pitch source · SHIFT = voice 2 pitch source · both quantize to shared scale · OUT A + OUT B feed two VCOs · shared scale change affects both voices
▸ Show diagram
Patch diagramPatch diagram with 5 modules and 4 connections. Modules: Scales, Sequencer 1, Sequencer 2, VCO 1, VCO 2. Signals: 2 cv, 2 pitch.ScalesSequencer 1Sequencer 2VCO 1VCO 2OUT B: DUALScale: dorianPITCHcvSHIFTcvOUT A1v/octOUT B1v/octOutcvOutcvV/Oct1v/octV/Oct1v/octcvpitch
★ Turing Machine tamed
Turing Machine CV → PITCH · Turing clock → TRIG · scale = user-defined (e.g., C blues) · random voltages turn into generative melody constrained to the blues scale · slowly morph scale notes on/off during performance
▸ Show diagram
Patch diagramPatch diagram with 5 modules and 5 connections. Modules: Scales, Turing Machine, Clock, VCO, ENV. Signals: 1 cv, 1 pitch, 1 gate, 2 trigger.ScalesTuring MachineClockVCOENVScale: C blues (user)PITCHcvIn TRIGtrigOUT A1v/octOut TRIGgateClocktrigCV OutcvOuttrigV/Oct1v/octGategatecvpitchgatetrigger
Diatonic transpose via LFO
Sequencer pitch → PITCH · CONFIG · SHIFT MODE = DIATONIC · slow LFO → SHIFT · OUT A stays in scale but modulates up/down by whole scale degrees as LFO wanders · automatic in-scale modulation
▸ Show diagram
Patch diagramPatch diagram with 4 modules and 4 connections. Modules: Scales, Sequencer, LFO, VCO. Signals: 1 cv, 2 pitch, 1 gate.ScalesSequencerLFOVCOSHIFT MODE: DIATONICScale: C majorPITCH1v/octSHIFTcvIn TRIGgateOUT A1v/octPitch1v/octGategateOutcvV/Oct1v/octcvpitchgate
SH-101 sequencer voice
CONFIG · SEQ mode · record 16-note sequence via note buttons · external clock → TRIG · OUT B plays the sequence · TRIG OUT fires on each step to envelope gate · no CV source needed — Scales is the whole sequencer
▸ Show diagram
Patch diagramPatch diagram with 4 modules and 3 connections. Modules: Scales, Clock, VCO, ENV. Signals: 1 pitch, 1 gate, 1 clock.ScalesClockVCOENVOUT B: SEQ · 16-step sequence recordedIn TRIGclkOUT B1v/octOut TRIGgateOutclkV/Oct1v/octGategatepitchgateclock

Behaviors

Trigger vs untriggered quantization TRIG patched vs unpatched

Unpatched: Scales continuously samples and outputs new quantized pitches whenever the input crosses a threshold. Patched: output only updates on TRIG rising edge — lets you time quantization to external rhythm.

SHIFT MODE: PRE CONFIG + PRE button

SHIFT voltage is summed with PITCH (both chromatically pre-quantized), then the sum is quantized to the active scale. Shifted output always conforms to the scale.

SHIFT MODE: DIATONIC CONFIG + DIATONIC button

SHIFT is interpreted as scale degrees, not semitones. A +3 shift moves the quantized note up 3 scale degrees — preserves diatonic transposition regardless of scale interval pattern.

SHIFT MODE: POST CONFIG + POST button

PITCH is quantized first, then SHIFT is added after quantization. Output can land on any chromatic note — allows detuning shifted output off the scale.

DUAL quantizer mode CONFIG + DUAL|SEQ (solid red)

Module splits into two quantizers. PITCH → OUT A, SHIFT → OUT B. Both conform to the same active scale. Ideal for polyphonic quantization with one instance.

SEQ mode (SH-101 style) CONFIG + DUAL|SEQ (flashing red)

OUT B becomes a 128-step sequencer. TRIG IN = clock · SHIFT = reset. RECORD (LOAD) + multifunction buttons step-enter notes, rests and ties. 35 sequence slots saveable.

INTRVL mode INTRVL button

Sets OUT B's interval relative to OUT A. Press a multifunction note once = positive interval (green), twice = negative (red). CHROMATIC config = semitones, DIATONIC = scale degrees.

LEARN scale capture LEARN + external pitch/gate source

Plays notes from external keyboard into PITCH (with TRIG gate) — Scales adds each played note to the active scale. Long-press LEARN first clears scale, so played notes define it entirely.

Root vs transpose ROOT + short vs long press

Short-press a note = transpose the scale pattern to that new root (intervals preserved). Long-press = change root without transposing (same notes, new tonal centre).

Trigger delay long-press A→TRIG

Scales has a programmable incoming trigger delay to compensate for sluggish pitch-source stabilization. Multifunction LEDs indicate delay time — prevents false quantization readings.

Sequence transpose via ROOT SEQ playing + ROOT button + note

While a sequence plays, Root-mode note-press transposes the playback by that amount (relative to C). Immediate live transposition of the running sequence.

Controls

context-dependent Multifunction buttons (12) 12 vertical buttons arranged as a one-octave keyboard (5 black + 7 white). Function depends on active mode: scale edit, root select, interval set, bank/slot select, or config options.
Green = active · red = OUT A quantize target · yellow = OUT B · colour blends by shift settings
Scale entry LEARN Short-press retains active scale and adds played notes. Long-press (>1s) clears the scale first. Exit by pressing again.
Blue when active · In SEQ: octave down (-)
Mode CONFIG Enters CONFIG mode — selects SHIFT behaviour, per-output shift enable, A→TRIG / B→TRIG triggers, and OUT B mode (CHROM / DIATONIC / DUAL / SEQ).
Blue when active · In SEQ: octave up (+)
Mode ROOT Enter Root mode. Short-press note button transposes the scale pattern to that root; long-press sets root without transposing (changes mode).
Blue when active · In SEQ: insert rest
Mode INTRVL Enter Interval mode. Sets OUT B's offset relative to OUT A in semitones (CHROM) or scale degrees (DIATONIC). Long-press = Tuning mode (0V + gate).
Blue when active · In SEQ: tie to previous note
Memory SAVE Save active scale to one of 35 slots (5 banks × 7 slots). Long-press = save sequence.
Lit red · black key selects bank · white key selects slot
Memory LOAD Load scale from memory. Long-press = load sequence / toggle SEQ record on-off.
Red lit while selecting
CONFIG mode SHIFT MODE select (PRE/DIATONIC/POST/OUT A/OUT B/ROOT/SCALE) Seven shift-mode options for how SHIFT jack affects output. See Behaviors for each mode's logic.
Blue-label buttons · SHIFT jack drives the shift
CONFIG mode A→TRIG / B→TRIG When enabled, TRIG OUT pulses whenever OUT A (or OUT B) changes pitch. When both disabled, TRIG IN passes through to TRIG OUT.
Red-label buttons
CONFIG mode · OUT B CHROMATIC / DIATONIC / DUAL|SEQ Configures OUT B mode: chromatic interval, diatonic interval, DUAL quantizer, or SEQ sequencer. See Behaviors.
Grey-label buttons · DUAL|SEQ button: solid red=DUAL, flashing=SEQ
TRIG out Trigger LED Lights whenever TRIG OUT emits a trigger or gate.
Yellow

I/O

IN · 3

  • PITCH ±10V
    Voltage to quantize. Range ±10V quantizes to active scale notes over 20 octaves.
  • TRIG gate/trig GATE
    Trigger/gate input. With no patch, Scales quantizes continuously. When patched, Scales samples PITCH only on rising edge. In SEQ mode, acts as clock in.
    NORM → continuous sampling when unpatched
  • SHIFT ±10V GATE
    Shift modulation input (±10V). Usage depends on SHIFT MODE: pre-sum, diatonic, post-sum, root select, or scale select. In DUAL = second pitch input for OUT B. In SEQ = reset trigger.

OUT · 3

  • OUT A 1V/oct · ±10V range
    Quantized pitch output for PITCH input (1V/oct)
  • OUT B 1V/oct · ±10V range
    Second quantized output — mode determined by CONFIG: chromatic/diatonic interval of OUT A, independent DUAL quantizer, or SEQ sequencer output
  • TRIG gate/trig GATE
    Trigger/gate output. Pass-through of TRIG IN, or A/B change detector, or SEQ clock pass.