Audacity is a free digital audio editor application. Audacity is cross-platform, using the wxWidgets software library to provide a similar graphical user interface on several different operating systems. It is currently used in the OCR National Level 2 ICT course for the sound creation unit.
Some of Audacity’s main features include the following:
Importing and exporting WAV, AIFF, MP3 (via the LAME encoder, downloaded separately), Ogg Vorbis, and other file formats
Recording and playing sounds, editing via Cut, Copy, Paste (with unlimited Undo), multi-track mixing
A large array of digital effects and plug-ins. Additional effects can be written with Nyquist
Amplitude envelope editing & noise removal
Support for multi-channel modes with sampling rates up to 100 kHz with 24 bits per sample
The ability to make precise adjustments to the audio’s speed, while maintaining pitch, in order to synchronize it with video, run for the right length of time, etc.
Converting cassette tapes or records into digital tracks by automatically splitting one wav (or the other supported types) track into multiple tracks based on silences in the track and the export multiple option.
Multi-platform: works on Windows, Mac OS X, and Unix-like systems (including GNU/Linux and BSD) amongst others.
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