Difference between revisions of "Audacity"

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Audacity is a free audio editor.
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{{Infobox Software
 +
| name = Audacity
 +
| logo =
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| screenshot = [[Image:audacity-linux.png|250px]]
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| caption = Popular open source audio editor
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| maintainer = Dominic Mazzoni
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| released = {{start date and age|2000|05|28}}
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| stable_release = 2.3.2 (13 May 2019)
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| preview_release =
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| operating_system = Windows, Mac OS/X, Linux/BSD
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| use = Digital Audio Editor
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| license = GPL
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| website = [https://www.audacityteam.org/ audacityteam.org]
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}}
  
[http://audacity.sourceforge.net/ Audacity Home Page]
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= Introduction =
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'''Audacity''' is a free, easy-to-use popular open source audio editor and recorder for Windows, Mac OS X, GNU/Linux, and other operating systems.
 +
 
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== Features ==
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=== Recording ===
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Audacity can record live audio through a microphone or mixer, digitize recordings from cassette tapes, vinyl records, and 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 hardware).
 +
* Level meters can monitor volume levels before, during, and after recording.
 +
* Intel Mac support
 +
 
 +
=== Import and Export ===
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Import sound files, edit them, and combine them with other files or new recordings. Export your recordings in several common file formats.
 +
 
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* Import and export [[WAV]], [[Audio Interchange File Format|AIFF]], [[AU]], (Ogg) [[Vorbis]], and [[Free Lossless Audio Codec|FLAC]] files.
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* Import [[MPEG]] audio (including [[MP2]] and [[MP3]] files) with libmad.
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* Export MP3s with the optional [[LAME]] encoder library.
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* Create WAV or AIFF files suitable for burning to CD.
 +
* Import and export all file formats supported by libsndfile.
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* Open raw (headerless) audio files using the “Import Raw” command.
 +
* Note: Audacity does not currently support [[Windows Media Audio|WMA]], [[Advanced Audio Coding|AAC]], or most other proprietary or restricted file formats.
 +
 
 +
=== Editing ===
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* 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.
 +
 
 +
=== DSP Effects ===
 +
* Change the pitch without altering the tempo, or vice-versa.
 +
* Remove static, hiss, hum, or other constant background noises.
 +
* Alter frequencies with Equalization, FFT Filter, and Bass Boost effects.
 +
* Adjust volumes with Compressor, Amplify, and Normalize effects.
 +
* Other built-in effects include:
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** Echo
 +
** Phaser
 +
** Wahwah
 +
** Reverse
 +
 
 +
=== Sound Quality ===
 +
* Record and edit 16-bit, 24-bit, and 32-bit (floating point) samples.
 +
* 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.
 +
 
 +
=== Plug-ins ===
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* Add new effects with [http://en.wikipedia.org/wiki/LADSPA LADSPA plugins].
 +
* Audacity includes some sample plugins by Steve Harris.
 +
* Load VST plugins for Windows and Mac, with the optional [http://en.wikipedia.org/wiki/Virtual_Studio_Technology VST] Enabler.
 +
* Write new effects with the built-in Nyquist programming language.
 +
 
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== Screenshots ==
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* [https://www.audacityteam.org/wp-content/uploads/2017/12/Audacity-220-Windows-normal.png Audacity Windows] screenshot of the main editor window under Windows.
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* [https://www.audacityteam.org/wp-content/uploads/2017/12/Audacity-2-2-0-on-Linux.png Audacity Linux] screenshot of the main editor window under Linux.
 +
 
 +
= Development API =
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*  Check out current and future [https://www.audacityteam.org/community/developers/ Development]
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* To build Audacity yourself, download the [https://www.audacityteam.org/download/source/ Source Code]
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 +
== Optional components ==
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* libmad
 +
* libsndfile
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* libvorbis
 +
 
 +
== External links ==
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* [https://www.audacityteam.org/ Audacity Home Page]
 +
 
 +
 
 +
[[Category:Audio Editors]]

Latest revision as of 17:05, 13 August 2019

Audacity
Audacity-linux.png
Popular open source audio editor
Developer(s) Dominic Mazzoni
Release information
Initial release May 28, 2000; 24 years ago
Stable release 2.3.2 (13 May 2019)
Preview release
Compatibility
Operating system Windows, Mac OS/X, Linux/BSD
Additional information
Use Digital Audio Editor
License GPL
Website audacityteam.org

Introduction

Audacity is a free, easy-to-use popular open source audio editor and recorder for Windows, Mac OS X, GNU/Linux, and other operating systems.

Features

Recording

Audacity can record live audio through a microphone or mixer, digitize recordings from cassette tapes, vinyl records, and 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 hardware).
  • Level meters can monitor volume levels before, during, and after recording.
  • Intel Mac support

Import and Export

Import sound files, edit them, and combine them with other files or new recordings. Export your recordings in several common file formats.

  • Import and export WAV, AIFF, AU, (Ogg) Vorbis, and FLAC 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 “Import Raw” command.
  • Note: Audacity does not currently support WMA, AAC, or most other proprietary or restricted file formats.

Editing

  • 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.

DSP Effects

  • Change the pitch without altering the tempo, or vice-versa.
  • Remove static, hiss, hum, or other constant background noises.
  • Alter frequencies with Equalization, FFT Filter, and Bass Boost effects.
  • Adjust volumes with Compressor, Amplify, and Normalize effects.
  • Other built-in effects include:
    • Echo
    • Phaser
    • Wahwah
    • Reverse

Sound Quality

  • Record and edit 16-bit, 24-bit, and 32-bit (floating point) samples.
  • 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.

Plug-ins

  • Add new effects with LADSPA plugins.
  • Audacity includes some sample plugins by Steve Harris.
  • Load VST plugins for Windows and Mac, with the optional VST Enabler.
  • Write new effects with the built-in Nyquist programming language.

Screenshots

Development API

Optional components

  • libmad
  • libsndfile
  • libvorbis

External links