Audacity is a free, easy-to-use audio editor and recorder for Windows, Mac OS X, GNU/Linux, and other operating systems. You can use Audacity to:
- Record live audio.
- Convert tapes and records into digital recordings or CDs.
- Edit Ogg Vorbis, MP3, and WAV sound files.
- Cut, copy, splice, and mix sounds together.
- Change the speed or pitch of a recording.
- Import and export WAV, AIFF, AU, and Ogg Vorbis files.
- Import MPEG audio (including MP2 and MP3 files) with libmad.
- Export MP3s with the optional LAME MP3 encoder library.
- Create WAV or AIFF files suitable for burning to CD.
- Import and export all file formats supported by libsndfile.
- Open raw (headerless) audio files using the Import Raw command.
It supports all common editing operations, plus it will mix tracks and let you apply plug-in effects to any part of a sound. It also has a built-in amplitude envelope editor, a customizable spectrogram mode and a frequency analysis window for audio analysis applications.
What's New in version 1.3.10 Beta:
Imports/Exports bug fixes:
- Freeze importing audio files in Pitch (EAC) view
- Corrupted WAV or AIFF imports and WMA exports
- Metadata Editor appeared before the Export window
Effects bug fixes:
- Crash/hang using Equalization; errors in Reverse and Truncate Silence
- Nyquist: Excessive memory consumption; errors in European locales; inaccurate text box values
- VST effects remained in menu when no longer available
Other bug fixes:
- Spurious "not writable/disk full" errors when saving projects
- Desynchronized playback/data loss when using multiple tracks
- Crash opening Preferences when no valid devices present
- (Windows) Audacity sometimes did not come up on top at launch
- (Linux) Crash when undoing or redoing label edits
- Improved copying/pasting of label-with-audio and system clipboard text
- Contrast Tool now modeless, intuitive handling of multiple project windows, various other improvements