Audacity: Difference between revisions

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Audacity is a free audio editor.
{{Infobox Software
| name = Audacity
| logo =
| screenshot = [[Image:audacity-linux.png|250px]]
| caption = Popular open source audio editor
| maintainer = Dominic Mazzoni
| released = {{start date and age|2000|05|28}}
| stable_release = 2.3.2 (13 May 2019)
| preview_release =
| operating_system = Windows, Mac OS/X, Linux/BSD
| use = Digital Audio Editor
| license = GPL
| website = [https://www.audacityteam.org/ audacityteam.org]
}}


[http://audacity.sourceforge.net/ Audacity Home Page]
= 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]], [[Audio Interchange File Format|AIFF]], [[AU]], (Ogg) [[Vorbis]], and [[Free Lossless Audio Codec|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 [[Windows Media Audio|WMA]], [[Advanced Audio Coding|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 [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.
 
== Screenshots ==
* [https://www.audacityteam.org/wp-content/uploads/2017/12/Audacity-220-Windows-normal.png Audacity Windows] screenshot of the main editor window under Windows.
* [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 =
*  Check out current and future [https://www.audacityteam.org/community/developers/ Development]
* To build Audacity yourself, download the [https://www.audacityteam.org/download/source/ Source Code]
== Optional components ==
* libmad
* libsndfile
* libvorbis
 
== External links ==
* [https://www.audacityteam.org/ Audacity Home Page]
 
 
[[Category:Audio Editors]]

Latest revision as of 17:05, 13 August 2019

Audacity

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

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