Skillget

AI_MIDI

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SUMMARY

All you need is one API to let AI assist you in music creation—modify MIDI files, get suggestions, and more. No complex setup, just plug and play!

README.md

🎹 AI_MIDI — AI-Assisted Music Theory & MIDI Composition

English | 中文

AI_MIDI is a local-first desktop app that lets AI assist your music creation: add chords to a melody, translate lyrics, design vocal runs, generate new ideas — and arrange everything in an FL Studio-style arrangement view. All you need is one API key. Your projects, files and conversations never leave your computer.

v3.0.0 upgrades AI_MIDI from a web app to a standalone desktop application — install and go, no Python required.

✨ Features

💬 Multi-turn Chat (main workbench)

  • Project archive + workbench dual view — manage your creations like folders
  • The AI operates MIDI directly: say "Write an 8-bar C major melody with a syncopated rhythm" and it reads the built-in theory library, creates the file and organizes your project — every step visible and reversible
  • Workspace binding — link a local folder; files sync both ways
  • Undo / recycle bin — every file operation can be rolled back
  • Thinking process visualization — reasoning and tool calls stream live
  • Drafts auto-save per project; parchment / dark-blue dual theme

⚡ Quick Tasks (one-shot processing)

  • Add Chords — harmonize a melody into MIDI
  • Translate Lyrics — make translations fit the melody (Japanese kana supported)
  • Design Melisma — generate vocal ornaments & coloratura
  • Custom Requests — free-form tasks, optionally output as MIDI

🎚 Arrangement View (new in v3 · early beta)

  • FL Studio-style timeline: tracks, clip dragging, snapping, split, loop range
  • Double-click any clip to edit notes in the piano roll
  • Output rack — swap instrument sounds, import SF2 soundfonts, drag-to-assign
  • Global BPM — change it once, it applies everywhere; new AI-generated MIDI follows it automatically (existing files keep their own tempo)
  • Export to WAV with full tail decay
  • Auto-save keeps your arrangement safe

ℹ️ Early beta: VST plugins and AI-link are not supported yet — feedback welcome.

🔊 Audio Engine (Windows)

  • Built-in JUCE native engine: low-latency ASIO monitoring, live level meters, offline WAV bounce
  • Without the engine the app falls back to browser audio automatically (fully functional, slightly higher latency)

🚀 Quick Start

Windows (recommended)

  1. Grab AI_MIDI_Setup_3.0.0_windows_amd64.exe from Releases and run it — no admin rights needed
  2. On first launch, read the usage notice, then open Settings and enter your API key
  3. Create a project and start composing!

Linux

  1. Download AI_MIDI_v3.0.0_linux_amd64.tar.gz from Releases and unzip it
  2. chmod +x RUN.sh && ./RUN.sh (desktop mode needs webkit2gtk; otherwise ./AI_MIDI -browser opens in your browser)
  3. Linux uses browser audio synthesis — no engine needed

First-time Configuration

Open the Settings page and fill in your API key. The default connects to DeepSeek; any OpenAI-compatible provider works (OpenAI, Gemini, local LLMs…).

Field Description
API Key Your provider key (stored only in local settings.json, never uploaded)
Base URL Default https://api.deepseek.com; any OpenAI-compatible endpoint works
Model Default deepseek-v4-pro; click "Refresh" to fetch the list from your provider

🛠 Build from Source (developers)

Requirements: Go ≥ 1.27, Wails v2 (go install github.com/wailsapp/wails/v2/cmd/wails@latest), Windows 10+ (Linux: webkit2gtk for desktop mode).

git clone https://github.com/abab996/AI_MIDI.git
cd AI_MIDI
wails build        :: Windows -> buildin\AI_MIDI.exe
RUN.bat

Linux: go build -o AI_MIDI . && chmod +x RUN.sh && ./RUN.sh. Architecture & design documents live in docs/.

📖 Usage Guide

Quick Tasks

  1. On the chat page, click ⚡ Quick Task at the top
  2. Drop in a MIDI file → pick a task → fill in your requirements → Start
  3. Download the result when done

Multi-turn Chat

  1. Create a project in the archive (＋ New Project)
  2. Describe your goal — e.g. "Harmonize this melody with jazz chords"
  3. The AI reads the theory library first, then creates files step by step; undo anything you don't like

Arrangement View

  1. Click ▦ Arrange on the workbench
  2. Drag MIDI files from the left panel onto tracks, swap sounds from the output rack
  3. Set the global BPM, arrange your clips, hit ⬇ WAV to export

Tips

  • Switch theme (parchment ⇄ dark blue) via the top-right button
  • Switching projects auto-saves your draft; it is restored when you return
  • Arrangement data auto-saves — still keep backups of important projects

🔒 Privacy & Security

  • Your API key is stored only in local settings.json — never in code, never uploaded
  • All project data (conversations, MIDI files) lives on your machine
  • The key is sent only to the service address you configure
  • The app runs fully locally and collects no usage data

📄 License

Code licensed under Apache License 2.0.
The bundled audio engine (aimidi-engine.exe, Windows installer) is a closed-source component distributed via the installer.

Developers: architecture and design documents live in docs/.

AI_MIDI — compose smarter, theory-first. 🎵

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