Audacity 2.2.1 Free audio editing application

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

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

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Audacity won a SourceForge.net Community Choice Award for Best Multimedia Program in 2007.

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

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Some of Audacity's features are:

• Import and export WAV, AIFF, MP3 files (via the LAME codec which must be downloaded and installed separately), Ogg Vorbis, all file types supported by the libsndfile library.
• Versions 1.2.5, 1.3.2 and later also support Free Lossless Audio Codec (FLAC).
• Version 1.3.6 and later support additional file types such as WMA, AAC, AMR, and AC3 from the FFmpeg library.
• Recording and playing audio files.
• Edit sounds via Cut , Copy , Paste functions with unlimited Undo .
• Mixing of many different audio channels.
• Digital audio effects capabilities and installation of additional features (plug-ins). Additional effects can be written in the Nyquist language.
• Waveform intensity processing.
• Noise removal.
• Spectral audio processing using the Fourier transform algorithm.
• Multi-channel support with sampling rates up to 96Khz with 32bits per sample.
• Ability to make detailed adjustments to the speed of audio playback while keeping the pitch-tempo of frequencies constant. Such a function can be used to synchronize audio with moving images.
• Ability to change rhythm-tone (pitch-tempo frequencies) without changing the playing speed.
• Support for modern multi-channel audio editing software features including navigation, zoom, Copy-Cut-Paste, etc.
• Automatic conversion of analog cassettes to digital format. The built-in algorithm for finding pauses between tracks is used to save 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. For Windows 7 support, the developers recommend the latest beta version 1.3.x Beta.
• Audacity uses the wxWidgets software library so that the interface is similar when running on different operating systems.

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

Download Audacity 2.2.1
With message translation updates in nineteen languages
​​Fixes for several bugs that were present in version 2.2.0

With information from wikipedia

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