Audacity 1.2.0-pre1 is a public test release of the free Audacity sound editor. This release fixes all of the major bugs that were found in 1.2.0-pre1, adds LADSPA plug-in support to all platforms, contains completed online help, and updated translations to more languages. Audacity is a fast multitrack audio editor and recorder for Linux, MacOS, and Windows. Supports WAV, AIFF, Ogg, and MP3 formats. Features include envelope editing, mixing, built-in effects and plug-ins, all with unlimited undo.