About Audacity
Simple but powerful multi-track editing and recording.
- Record from microphone, mixers, cassettes, records, minidiscs, FM radio… Scheduled recording feature.
- Import sound files, edit them and mix with other files or new recordings. Export to several common file formats including WAV, AIFF, FLAC, MP3 (with optional LAME library), AAC (import only).
- Fast sample-level editing with Cut, Copy, Paste and Delete, and unlimited Undo/Redo. 32 bit float internal storage and high quality resampling and dithering. Smooth volume envelope.
- Many more features.

What’s New in this Version
- VST Effects now display GUI by default
- Faster Equalization and Noise Removal; improved Truncate Silence and Click Track
- Chains applied to files now clear temporary data after processing each file
- Updated Nyquist implementation with support for SAL syntax and improved memory management
- Plot Spectrum now analyzes up to 237.8 seconds of audio, with separate windows for each project and improved display; new preferences for Spectrograms
- Contrast Analysis tool now modeless for easier use