Audacity 2.2.1 Free audio editing application

Audacity is a free multi-platform audio application for recording and editing audio files. The application is cross-platform and is thus released for Windows, Mac OS X, Linux and BSD.

Audacity was created by Dominic Mazzoni when he was a student at Carnegie Mellon University. Mazzoni is now working on Google but remains the main project maintainer with the help of many people around the world.

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Audacity won the SourceForge.net Award, Community Choice Award for Best 2007 Multimedia Program.

The application, among other things, can record live audio via a microphone or mixer, and digitize recordings from other media. With some sound cards and in any recent version of Windows, Audacity can also record streaming audio.

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Some of Audacity's capabilities are:

• Import and export WAV, AIFF, MP3 files (through the LAME encoder to be downloaded separately), Ogg Vorbis, all kinds of files supported by the libsndfile library.
• 1.2.5, 1.3.2, and later versions also support Free Lossless Audio Codec (FLAC).
• The 1.3.6 and later versions also support additional file types such as WMA, AAC, AMR, and AC3 from the FFmpeg library.
• Record and play audio files.
• Edit sounds through functions Cut off, Copying and Paste (Cut, Copy, Paste) with unlimited capability Undo (Undo).
• Mixing multiple-sound channels.
• Digital sound effect capabilities and plug-ins installation. Additional effects can be written with the Nyquist language.
• Editing waveform.
• Noise Reduction.
• Spectral Audio Processing using the Fourrier Transformation Algorithm.
• Support multiple channels with sampling frequencies up to 96Khz with 32bits in each sample.
• Possibility to fine-tune the pitch of the sound by keeping the pitch-tempo stable. Such a function can be used to synchronize animated sound.
• Ability to change the pitch-tempo frequency without changing the play speed.
• Supports modern multi-channel sound processing features including Navigation, Zoom, Copy-Cut-Pull,
• Automatic conversion of analogue cassettes into digital formats. The built-in pause finder algorithm is used to store each track-song in a separate file.
• Ability to install on different operating systems such as: Microsoft Windows, Mac OS X, and Unix systems such as Linux - BSD).
  • The latest stable version supports Windows 98 / ME / 2000 / XP / Vista, but Windows 95 and NT are not supported. To support Windows 7 developers are recommending the latest beta - 1.3.x Beta.
• Audacity uses the wxWidgets library software to make the interface similar when it runs on different operating systems.

Audacity can be used to post-process many types of audio files and podcasts. It can be used to integrate podcasts by adding effects such as volume normalization, track cuts, volume control (fade-in / fade-out).

Download Audacity 2.2.1
With translations of messages in nineteen languages
Corrections of several errors in 2.2.0

With information from wikipedia

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