The Audacity is a free multi-platform audio program for recording and editing audio files. The application is cross-platform and thus released for Windows, Mac OS X, Linux and BSD. The Audacity created by Dominic Mazzoni when he was a student at Carnegie Mellon University, Mazzoni now works at Google but remains the main sponsor of the project with the help of many people from all over the world.
The Audacity won the SourceForge.net Award, Community Choice Award for Best Multimedia Program in 2007.The application can, among other things, record live audio through a microphone or mixer, and digitize recordings from other media. With some sound cards and any recent version of Windows, the Audacity can also record audio streaming.
Some of its features Audacity is:
- Import and export of WAV, AIFF, MP3 files (via the LAME encoder 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 also supports additional file types such as WMA, AAC, AMR and AC3 from the FFmpeg library.
- Recording and playing audio files.
- Edit sounds through functions Cutting, Copy και Paste (Cut, Copy, Paste) with unlimited possibilities Appeal (Undo).
- Mixing many different audio channels.
- Features of digital sound effects and installation of additional features (plug-ins). Additional effects can be written in Nyquist language.
- Waveform intensity processing.
- Noise removal.
- Spectral audio processing using the Fourrier transform algorithm.
- Multi-channel support with sampling frequencies up to 96Khz with 32bits in each sample.
- Ability to fine-tune audio playback speeds while keeping the pitch-tempo frequency constant. Such a function can be used to synchronize audio with animation.
- Ability to change rhythm-tone (pitch-tempo frequencies) without changing the playing speed.
- Support for modern features of multi-channel audio editing software, including navigation, zoom, Copy-Cut-Paste, etc.
- Automatic conversion of analog cassettes to digital format. The built-in pause tracking algorithm 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 firmware supports Windows 98 / ME / 2000 / XP / Vista, but Windows 95 and NT are not supported. For Windows 7 support, developers recommend the latest beta version 1.3.x Beta.
- The Audacity uses the wxWidgets software library to make the interface look similar when running on different operating systems.
The Audacity can be used to post-edit many types of audio files and podcasts. It can be used to complete podcasts by adding effects such as volume normalization, track cuts, volume control (fade-in / fade-out).
Download it Audacity 2.4.2 With Corrections of some bugs that existed in the previous version