Discover Audacity, the free, open-source, cross-platform audio editor trusted by millions. Edit podcasts, remove vocals, and convert formats with ease.
🎤 Audacity: Free, Open-Source, Easy-to-Use Multitrack Audio Editor and Recording Software
Free forever, powerful forever—this cross-platform audio editor has become an essential tool for millions of creators. Have you ever needed to record audio, edit a podcast, remove vocals from a song, or convert audio formats, but were put off by expensive professional software? As a free, open-source, cross-platform audio editing tool, Audacity has been the top choice for beginners, podcasters, and music enthusiasts for over 20 years. Today, let's take a comprehensive look at this powerful yet easy-to-use audio solution.
1. What is Audacity?
Audacity is an easy-to-use multitrack audio editor and recorder for Windows, macOS, GNU/Linux, and other operating systems. Since its release in 2000, it has become a global sensation thanks to its free, open-source, lightweight (only 41.7MB) nature, and was selected as SourceForge.net's Best Project of the Month in July 2004.
Its core positioning is a Digital Audio Editor, not a complete Digital Audio Workstation (DAW). This means it focuses on providing high-quality recording, cutting, mixing, and processing functions, rather than complex arranging or MIDI creation. But don't underestimate it—whether recording podcasts, editing audiobooks, cleaning up live recordings, or doing basic mixing work, Audacity can handle it all.
2. Core Features
1. Comprehensive Editing & Processing Capabilities
- Basic Editing: Cut, copy, and paste with unlimited undo
- Multitrack Mixing: Handle multiple audio tracks simultaneously for complex audio composition
Advanced Effects:
- Noise Reduction: Intelligently remove ambient noise
- Vocal Processing: Vocal Remover can eliminate or isolate vocals
- Pitch/Speed Adjustment: Independently change pitch without affecting speed (or vice versa)
AI Enhancement (New in 2024):
- Track Separation: Split music into separate tracks like vocals, instruments, etc.
- Music Generation: Generate new music based on text prompts (via Stable Diffusion model)
- Speech Transcription: Automatically convert voiceover to text (based on Whisper.cpp)
2. Extensive Format Support
Audacity supports all major audio formats, allowing you to convert WAV to MP3, FLAC, Ogg, and more:
| Format Type | Support | Notes |
|---|---|---|
| Import Formats | WAV, MP3, AIFF, FLAC, Ogg Vorbis, MP4, MOV, WMA, M4A, AC3, etc. | ✓ |
| Export Formats | WAV, MP3, Ogg Vorbis, FLAC, etc. | Exporting MP3 requires additional LAME encoder |
| Lossless Formats | WAV, AIFF, FLAC | ✓ Supports high-quality saving |
3. Professional-Grade Parameter Support
- Supports up to 96kHz sampling rate and 24-bit depth
- Multi-channel processing capability
- Spectrum view: visually analyze audio frequency distribution
4. Powerful Extensibility
Leverage a large number of third-party plugins to enhance your work:
- VST3 Plugins: Compatible with professional effects processors
- Nyquist Language: Allows users to write their own effects processors
- LADSPA Plugins: Extend more audio processing capabilities
- AI Plugin Pack: Powered by Intel OpenVINO (Windows only)
5. Cross-Platform & Privacy Protection
- Full Platform Compatibility: Windows/macOS/Linux
- Local AI Functionality: Audio doesn't need to be uploaded to the cloud, protecting copyright and privacy
3. Download & Installation Guide (2025 Latest Version)
1. Get the Official Installation Package
- Official Website: Visit the Audacity Official Website for the latest version
- Project Address: Visit the Audacity Project Page for the latest version
2. Installation Steps
- Run the installer, choose language (recommended to select English first, then switch to Chinese after installation)
- Accept the license agreement, choose installation location (recommend D drive to avoid occupying system space)
- Check "Create desktop shortcut"
- Click install and wait for completion
3. Switch to Chinese Interface
- Open Audacity, click menu Edit → Preferences
- Select Interface → Language
- Find "中文（繁體）" or "中文（简体）"
- Restart the software to take effect
4. Quick Start Tutorial
1. Basic Operation Interface
- Toolbar Layout: Playback controls, selection tool, editing tools, track control area
2. Four-Step Audio Editing Method
- Import Material: Drag audio files directly into the window
- Select Segments: Use the selection tool (I icon) to frame a region
Edit & Process:
- Delete: Press Del key or use "Silence Clip"
- Copy & Paste: Ctrl+C/V for cross-track reuse
- Move Clips: Drag the Clip Handles on the track
- Add Effects: Apply noise reduction, reverb, etc. through the 【Effects】 menu
3. Practical Tips
- Multitrack Alignment: Solo/Mute single tracks for precise editing
- Precise Positioning: Use the magnifying glass tool to zoom in on waveforms
- High-Quality Export: When editing lossless audio (e.g., FLAC), choose the same format for export to maintain quality
- MP3 Export Configuration: Need to additionally download
lame_enc.dlland specify the path
5. Comparison with Similar Tools: Audacity's Advantages & Limitations
Audacity isn't the only choice. The following table compares mainstream audio software:
| Feature/Characteristic | Audacity | Adobe Audition | GarageBand | Cool Edit Pro |
|---|---|---|---|---|
| Price | Free & Open Source | Subscription (Expensive) | Free for macOS | Paid |
| Platform Support | ✓ Cross-platform | × Windows/Mac only | × Mac only | × Windows only |
| Learning Difficulty | Medium | High (Professional & Complex) | Low | Medium |
| Multitrack Editing | ✓ Supported | ✓ Professional | ✓ Intuitive | ✓ Supported |
| MIDI Support | × Not supported | ✓ Supported | ✓ Excellent | ✓ Supported |
| AI Features | ✓ Built-in | △ Some require plugins | × None | × None |
| Plugin Extensions | ✓ VST3/Nyquist | ✓ Rich | ✓ Average | △ Limited |
| Use Cases | Editing/Noise Reduction/Basic Mixing | Professional Film & TV Post-production | Music Creation for Beginners | Veteran Audio Editor |
In-Depth Analysis:
- For Beginners: Audacity is friendlier than Adobe Audition, which is professional but has a steep learning curve
- For Musicians: GarageBand is better at MIDI creation and loop material, suitable for zero-based composition
- For Podcasters/Editors: Audacity's noise reduction and vocal processing efficiency far exceeds most tools
- For Tech Enthusiasts: Open-source architecture + Nyquist programming support enables deep customization of effects processors
6. Summary: Who Should Choose Audacity?
Audacity is the ideal choice for the following users:
- Budget-Limited Creators: Get professional-grade editing capabilities at zero cost
- Cross-Platform Users: Seamless switching between Windows/Linux/macOS
- Audio Processing Essential Users: Podcast editing, vocal removal, recording cleanup, etc.
- Tech Explorers: Deep dive into audio processing through open-source code and AI plugins
Official Website: https://www.audacityteam.org/
Project Address: https://github.com/audacity/audacity
Official Documentation: https://support.audacityteam.org/
Note: This is the English translation of the original Chinese version.