Version 0.12.0 — INCOMPLETE BETA

⚠️ Disclaimer: MetroMuse is currently in beta. Some features may be incomplete, unstable, or under development.

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🎵 What is MetroMuse?

MetroMuse is a modern, cross-platform audio editor featuring:

• Multitrack capabilities
• Enhanced waveform visualization
• An intuitive, sleek interface built for creators

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✨ Features Overview

🎚️ Multitrack Support

• Solo, mute, and volume per track
• Color coding & track naming
• Synchronized playback
• NEW: Asynchronous audio loading
• NEW: Optimized waveform rendering

📊 Waveform Visualization

• Zoomable, interactive display
• Adaptive time grids & real-time amplitude
• NEW: Automatic downsampling
• NEW: Performance-based detail levels

✂️ Editing Tools

• Cut, copy, paste with precision
• Non-destructive edits & track-specific editing
• NEW: Enhanced keyboard shortcuts
• NEW: Improved error recovery

💾 Project System

• NEW: .mmp project save/load
• NEW: Recent projects manager
• NEW: Auto-save & change tracking
• NEW: Project templates/presets

🔧 Performance Monitoring

• NEW: Real-time CPU/RAM usage
• NEW: Quality/Performance modes
• NEW: System optimization engine

🛡️ Error Handling

• NEW: Detailed logging system
• NEW: User-friendly error dialogs
• NEW: Auto recovery & warning prompts

🎛️ Audio Effects

• Volume, fade in/out, preview in real-time
• Per-track effect control

▶️ Playback

• Scrubbing & synced playback
• NEW: Optimized multitrack engine

🎨 UI/UX

• Dark theme, high-contrast icons (48×48 px)
• NEW: Context-aware window title
• NEW: Streamlined shortcuts

💾 File Formats

• Supports WAV, MP3, AAC, FLAC
• Drag-and-drop audio + metadata support
• NEW: Better format handling

⚙️ Technical Highlights

• Sample-accurate editing
• Real-time waveform rendering
• NEW: Memory-efficient processing
• NEW: Background tasking
• NEW: Smart resource management

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🛠️ Development Status (v0.12.0)

Component	Status	Notes
Waveform Display	🟢 Enhanced	Scrubbing, markers, optimized rendering
Multitrack System	🟢 Enhanced	Full controls, async loading
Editing Tools	🟢 Enhanced	Undo/redo, improved interaction
Project Management	🟢 New	.mmp format, autosave, templates
Error Handling	🟢 New	Logging, dialogs, recovery
Performance Monitor	🟢 New	Realtime CPU/memory usage
Exporting	🟡 Functional	Supports WAV, MP3, AAC, FLAC
Playback	🟡 Enhanced	Real-time, multitrack improvements
UI/UX	🟢 Enhanced	Shortcuts, responsiveness, polish

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📸 Interface Preview

🔹 New Icon

🔹 General UI

🔹 Effects Options

🔹 Quick Effects Menu

🔹 Audio Effects Studio

🔹 File & Edit Menus

🔹 View Menu

🔹 Shortcuts & About

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📦 Dependencies

Core Libraries

• PyQt5 (>=5.15.0)
• numpy (>=1.21.0)
• matplotlib (>=3.5.0)
• pydub (>=0.25.0)
• librosa (>=0.9.0)
• sounddevice (>=0.4.0)
• scipy (>=1.7.0)

Optional Enhancements

• psutil (>=5.8.0) — system monitoring
• PyQt5-stubs — for development with type hinting

External Tools

• ffmpeg — for MP3, AAC, FLAC support

  • Windows: binaries included in resources/
  • Linux/macOS: install via package manager or ffmpeg.org

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🚀 Installation

1. Clone the repository:

git clone https://github.com/Ivan-Ayub97/MetroMuse-AudioEditor.git
cd MetroMuse

2. Install required Python packages:

pip install -r requirements.txt

3. Install ffmpeg (Windows):

winget install ffmpeg

Then, copy ffmpeg.exe, ffprobe.exe, and ffplay.exe into the resources/ folder.

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🎮 Usage

Launch the App

python src/metro_muse.py

🗂️ Project Shortcuts

Action	Shortcut
New Project	Ctrl+N
Open Project	Ctrl+Shift+O
Save Project	Ctrl+S
Save As	Ctrl+Shift+S

🎧 Audio Tasks

Action	Shortcut / Action
Import Audio	Ctrl+O / Drag-and-drop / "Import Audio"
Export Audio	Ctrl+E
Add Track	"+ Add Track"
Delete Track	Click "✕" in header

⏯ Playback Controls

Action	Shortcut
Play/Pause	Spacebar
Stop	Esc
Rewind	Home
Fast Forward	End
Scrub	Click + Drag Waveform

✂️ Edit Commands

Action	Shortcut
Cut	Ctrl+X
Copy	Ctrl+C
Paste	Ctrl+V
Undo	Ctrl+Z
Redo	Ctrl+Y

🧭 Navigation

Action	Shortcut
Zoom In	Ctrl++ / Wheel Up
Zoom Out	Ctrl+- / Wheel Down
Pan Left	← Arrow
Pan Right	→ Arrow

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🔥 Recent Enhancements (v0.12.0)

• ✅ .mmp project format with full save/load
• ✅ Auto-save with tracking
• ✅ Detailed error logging
• ✅ Real-time performance monitor
• ✅ Async audio file handling
• ✅ Memory-optimized waveform renderer
• ✅ Shortcut improvements

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🚧 Upcoming Features

• Spectrum analyzer
• VST plugin support
• Track automation
• MIDI input
• Recording interface
• Effect chain manager
• Export profiles/settings
• In-app guides/tutorials
• Full theme customization

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⚠️ Known Issues

• Exporting fails if ffmpeg isn’t properly set up
• Echo/reverb effect modules still in progress
• No VST support yet
• Performance dips with large files (>500MB)
• Preview lag possible on low-spec hardware

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💻 System Requirements

• Python: 3.7+
• FFmpeg: Installed or placed in resources/
• See Dependencies section above

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🗂️ Project Structure

MetroMuse/
├── Captures/                      # Screenshots of the interface
│   └── ...                       
│
├── src/                           # Main source code
│   ├── metro_muse.py             # Main entry point
│   ├── audio_effects.py          # Audio processing effects
│   ├── error_handler.py          # Error handling utilities
│   ├── performance_monitor.py    # Performance tracking
│   ├── project_manager.py        # Project loading/saving logic
│   ├── track_manager.py          # Handles audio tracks
│   ├── track_renderer.py         # Track visualization or rendering
│   ├── ui_manager.py             # GUI management
│   ├── styles.qss                # Qt Style Sheet
│   ├── icon.png                  # App icon (PNG)
│   └── icon.ico                  # App icon (ICO)
│
├── resources/                    # Bundled third-party binaries
│   ├── ffmpeg.exe
│   ├── ffplay.exe
│   └── ffprobe.exe
│
├── requirements.txt              # Python dependencies
├── README.md                     # Project overview
├── CHANGELOG.md                  # Version history
├── LICENSE                       # License information
├── CODE_OF_CONDUCT.md           # Contributor behavior guidelines
├── CONTRIBUTING.md              # Guidelines for contributing
└── SECURITY.md                  # Security policies and contact

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🤝 Contributions

We welcome your help to improve MetroMuse!

1. Fork the repo
2. Create a new branch for your feature or fix
3. Submit a pull request with a clear description

💬 Bug reports, ideas, or questions? 📧 Contact: [email protected]

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👤 Author

Iván Eduardo Chavez Ayub 🔗 GitHub 📧 [email protected] 🛠️ Python, PyQt5, pydub, librosa

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🌟 Why MetroMuse?

Because sometimes you just need a simple, powerful editor that works. MetroMuse is built with focus, clarity, and creativity in mind — open-source, evolving, and creator-driven.