Audacity is a free, open source digital audio editor and recording application. Edit your sounds using cut, copy, and paste features (with unlimited undo functionality), mix tracks, or apply effects to your recordings. The program also has a built-in amplitude-envelope editor, a customizable spectrogram mode, and a frequency-analysis window for audio-analysis applications. Built-in effects include bass boost, wah wah, and noise removal, and the program also supports VST plug-in effects.
You can use Audacity to:
- Record live audio.
- Record computer playback on any Windows Vista or later machine.
- Convert tapes and records into digital recordings or CDs.
- Edit WAV, AIFF, FLAC, MP2, MP3 or Ogg Vorbis sound files.
- AC3, M4A/M4R (AAC), WMA and other formats supported using optional libraries.
- Cut, copy, splice or mix sounds together.
- Numerous effects including change the speed or pitch of a recording.
- Write your own plug-in effects with Nyquist.
- And more! See the complete list of features.
What's new in Audacity 2.3.1:
Options and preferences:
- Microfades are now an opt-in feature. They were always on in 2.3.0.
- The advanced vertical zooming option is now available in the View->Zoom menu.
- Regular interval labels now support range labels.
See: 2.3.1 New Features for longer descriptions and links on how to use the new features.
Over 20 bugs that were in 2.3.0 fixed, including:
- A crashing bug on Linux that made Audacity 2.3.0. unsuitable for Linux.
- Crash on Mac when right clicking on label.
- Problems with Change Pitch, including not remembering parameter values.
See also: 2.3.1 Release Notes