Audacity is a free,
easy-to-use audio editor and recorder.
is cross-platform, using the wxWidgets software library to provide a
similar graphical user interface on several different operating
It is currently used in the OCR National Level 2 ICT course
for the sound creation unit.
Audacity won the SourceForge.net 2007 Community Choice Award
for Best Project for Multimedia.
Audacity can record live audio through a microphone or mixer,
digitize recordings from cassette tapes, vinyl records, or minidiscs.
With some sound cards, it can also capture streaming audio.
- Record from microphone, line input, or other sources.
- Dub over existing tracks to create multi-track recordings.
- Record up to 16 channels at once (requires multi-channel
- Level meters can monitor volume levels before, during, and
Import and Export
Import sound files, edit them, and combine them with other
new recordings. Export your recordings in several common file formats.
- Import and export WAV, AIFF, AU, and Ogg Vorbis files
- Import MPEG audio (including MP2 and MP3 files) with libmad
- Export MP3s with the optional LAME encoder library
- Create WAV or AIFF files suitable for burning to CD
- Import and export all file formats supported by libsndfile
- Open raw (headerless) audio files using the
- Full support for FLAC
- Fast "On-Demand" import of WAV/AIFF files if read directly
- Optional FFmpeg library for import/export of AC3/M4A/WMA
and import of audio from video files.
- Note: Audacity does not
currently support WMA, AAC, or most other proprietary or restricted
- Easy editing with Cut, Copy, Paste, and Delete
- Use unlimited Undo (and Redo) to go back any number of steps
- Very fast editing of large files
- Edit and mix an unlimited number of tracks
- Use the Drawing tool to alter individual sample points
- Fade the volume up or down smoothly with the Envelope tool
- Change the pitch without altering the tempo, or vice-versa
- Remove static, hiss, hum, or other constant background
- Alter frequencies with Equalization, FFT Filter, and Bass
- Adjust volumes with Compressor, Amplify, and Normalize
- Other built-in effects include:
- Vocal Remover
- Record and edit 16-bit, 24-bit, and 32-bit (floating point)
- Record at up to 96 KHz
- Sample rates and formats are converted using high-quality
resampling and dithering
- Mix tracks with different sample rates or formats, and
Audacity will convert them automatically in realtime
- Add new effects with LADSPA plugins
- Audacity includes some sample plugins by Steve Harris
- Write new effects with the built-in Nyquist programming
- Spectrogram mode for visualizing frequencies
- “Plot Spectrum” command for detailed
- Improved label tracks with Sync-Lock Tracks feature in the
Tracks Menu. Multiple clips per track. Tracks and selections can be
fully manipulated using the keyboard. Many more keyboard shortcuts
- Device Toolbar to manage inputs and outputs
- Automatic Crash Recovery
to Audio Home Page
Audacity also features in our 'Linux
Equivalents to Windows Software' section. The category
selector below allows you to filter the different types of software
in that separate article.
Last Updated Tuesday, March 18 2014 @ 02:25 PM EST