MANUAL.md

DDXX7 User Manual

DDXX7 is a high-fidelity 6-operator FM synthesis simulator and SysEx editor. This manual covers basic operations, UI interaction, and keyboard shortcuts.

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🌐 Live Demo

You can access the synthesizer directly in your browser: https://acidsound.github.io/ddxx7/

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🕹 Basic UI Interaction

Control Elements

DDXX7 features custom tactile controls designed for precision:

1. Knobs (Potentiometers):
   • Click and drag vertically (up/down) to change values.
   • A popover will show the exact value during adjustment.
2. Faders & Sliders:
   • Click and drag to adjust envelope levels, rates, and master velocity.
3. Toggle Switches:
   • Click to toggle states (e.g., LFO Sync, Mono mode).

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🎹 Keyboard Shortcuts

You can play the synthesizer using your computer keyboard.

Playing Notes

Row	Keys	Notes
Lower	Z S X D C V G B H N J M , L . ; /	C, C#, D, D#, E, F, F#, G, G#, A, A#, B, C...
Upper	Q 2 W 3 E R 5 T 6 Y 7 U I 9 O 0 P	C, C#, D, D#, E, F, F#, G, G#, A, A#, B, C...

Global Controls

• [ : Decrease Octave
• ] : Increase Octave

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🎛 View Modes

Editor View

Manage the detailed parameters of all 6 operators.

• Algorithm Matrix: Visualizes the FM signal flow. Highlighting indicates active modulation or feedback loops.
• Operator Panels: Control frequency (Coarse/Fine/Detune), Envelopes, and Keyboard Scaling for each operator.
• Pitch EG: Adjust the global pitch envelope.

Library View

Browse and select patches from built-in ROMs or your imported files.

• ROM Selector: Switch between classic ROM banks (ROM1A to ROM4B).
• Patch Grid: Click a patch name to load it instantly.

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🔌 MIDI & Hardware Integration

1. Click the MIDI Icon in the header to open settings.
2. Input: Select your MIDI controller to play via hardware.
3. Transmit Target: Select your hardware synthesizer to sync parameters.
4. Auto-Sync: When enabled, any parameter change in the Editor is transmitted to your hardware via SysEx in real-time.

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📥 Import / Export

• Import (.syx): Click the Upload Icon in the header to load .syx files (32-voice bank or single voice dump).
• Export (.syx): Click the Download Icon in the header to export the current patch as a standard Yamaha DX7 compatible SysEx file.

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🇰🇷 사용자 매뉴얼 (Korean)

조작 방법

• 노브 (Knob): 마우스로 클릭 후 상하로 드래그하여 값을 조절합니다.
• 스위치 (Switch): 클릭하여 기능을 켜고 끕니다.

키보드 단축키

• Z/ (하단), QP (상단): 건반 연주
• [ / ] : 옥타브 낮춤 / 높임

주요 기능

• Editor: 6개 오퍼레이터의 상세 파라미터 및 알고리즘 편집.
• Library: 내장 ROM(1A~4B) 선택 및 외부 SysEx 파일 불러오기.
• MIDI Sync: 하드웨어 신디사이저와 연결하여 실시간 파라미터 동기화 지원.
• Export: 현재 편집 중인 사운드를 .syx 파일로 저장.

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