Audacity Audio Editing Software

Audacity is a free, easy-to-use and multilingual audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. You can use Audacity to:

Record live audio.
Convert tapes and records into digital recordings or CDs.
Edit Ogg Vorbis, MP3, WAV or AIFF sound files.
Cut, copy, splice or mix sounds together.
Change the speed or pitch of a recording.

Features

This is a list of features in Audacity, the free, open source, cross-platform audio editor. For full information on how to use these features, go to the help pages.

Recording

Audacity can record live audio through a microphone or mixer, or digitize recordings from cassette tapes, records, or minidiscs. With some sound cards, Audacity can also capture streaming audio.

Record from microphone, line input, USB/Firewire devices and others.
Device Toolbar manages multiple input and output devices.
Timer Record and Sound Activated Recording features.
Dub over existing tracks to create multi-track recordings.
Record at sample rates up to 192,000 Hz (subject to appropriate hardware). Up to 384,000 Hz is supported for appropriate high-resolution devices, except when using Windows DirectSound host.
Record multiple channels at once (subject to appropriate hardware).
Level meters can monitor volume levels before, during and after recording. Clipping can be displayed in the waveform or in a label track.

Import and Export

Import sound files, edit them, and combine them with other files or new recordings. Export your recordings in many different file formats, including multiple files at once.

Import and export WAV, AIFF, AU, FLAC and Ogg Vorbis files.
Fast "On-Demand" import of WAV or AIFF files (letting you start work with the files almost immediately) if read directly from source.
Import and export all formats supported by libsndfile such as GSM 6.10, 32-bit and 64-bit float WAV and U/A-Law.
Import MPEG audio (including MP2 and MP3 files) using libmad.
Import raw (headerless) audio files using the "Import Raw" command.
Create WAV or AIFF files suitable for burning to audio CD.
Export MP3 files with the optional LAME encoder library.
Import and export AC3, M4A/M4R (AAC) and WMA with the optional FFmpeg library (this also supports import of audio from video files).

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