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Audacity 3.1.3 – Free audio software

Audacity 3.1.3 – Free audio software
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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 record sounds, play sounds, import and export WAV, AIFF, AAC, MP4, Ogg Vorbis, and MP3 files, and more.

Use it to edit your sounds using Cut, Copy and Paste (with unlimited Undo), mix tracks together, apply effects to your recordings, change the speed or pitch of a recording, and really much more.

Audacity enables FLAC support. The program also has a built-in amplitude-envelope editor, a customizable spectrogram mode, and a frequency-analysis window for audio-analysis applications.

The program has  the built-in effects, including Bass Boost, Wahwah, and Noise Removal, and it also supports VST plug-in effects.

Audacity is without a doubt one of the best and easiest digital audio editors on the market and it will meet any requirement at 100% no matter if it is home or professional audio edition.

Audacity Key Features:

  • Cut, copy, splice or mix sounds together.
  • Record live audio.
  • Supports 16-bit, 24-bit and 32-bit (floating point) samples (the latter preserves samples in excess of full scale).
  • Record computer playback on Windows Vista and later by choosing “Windows WASAPI” host in Device Toolbar then a “loopback” input.
  • Import and Export WAV, AIFF, AU, FLAC and Ogg Vorbis files.
  • Convert tapes and records into digital recordings or CDs.
  • Edit WAV, AIFF, FLAC, MP2, MP3 or Ogg Vorbis sound files.
  • Import and export AC3, M4A/M4R (AAC) and WMA with the optional FFmpeg library (this also supports import of audio from video files).
  • Numerous effects including change speed or pitch and vocal reduction or isolation (given suitable stereo tracks).
  • And more! See the complete list of features.

Changes in Audacity 3.1.3:

  • Improved performance. Loading in projects especially should now be up to 50x faster compared to 3.1.0.
  • Added snap guides when resizing clips
  • Added new shortcuts for looping: Shift+L for “Set Loop to Selection”, Shift+Alt+L for “Clear Looping Region”
  • Added a new selection region indicator in the timeline (identical in function as the one found pre-3.1, but with updated visuals)​
  • Changed error messages to look less like a crash report
  • Re-added the Quick Play indicator (green triangle and line) that got lost during 3.1.0 development
  • Fixed Play-at-speed not updating the playback speed dynamically
  • Fixed looping regions being created unintentionally when attempting to use Timeline Quick Play
  • Fixed looping sometimes playing the wrong audio
  • Fixed a bug that could cause data-loss when joining multiple clips
  • Fixed scrub preview visibility
  • Fixed a bug when trying to locate FFMPEG manually
  • Fixed a glitch with Loop Playback
  • Fixed a crash and a macOS-specific bug when renaming sync-locked clips using a dialog box.
  • Fixed a crash when releasing a clip handle
  • Fixed a freeze when closing Audacity with the logging window open
  • Fixed a crash when loading a saved project using certain compilers
  • Fixed a crash on paste after running macros
  • Fixed a crash when cancelling a nyquist prompt

Changes in Audacity 3.1.2:

  • Fixed UTF8 support in clip titles
  • Fixed data loss on joining clips
  • Fixed a crash with exporting resampled tracks
  • Fixed a crash when opening projects with very small double values

Changes in Audacity 3.1.1:

  • Fixed FFMPEG imports only importing the left channel
  • Improved Audacity’s performance when many clips are present
  • Fixed a crash with detach at silences
  • Fixed clip name corruption when applying effects to adjacent clips
  • Fixed a crash with the time shift commands
  • Fixed custom themes not working

Changes in Audacity 3.1.0:

Prominent new features

  • Clip Handles (replacing the Time Shift Tool)
  • Smart Clips (non-destructive resizing of clips)
  • Playback Looping

Smaller changes

  • Context menus have been added in more places.
  • In the preferences, Tracks > Track behaviors > Editing a clip can move other clips is now disabled by default
  • The spectrogram defaults have been changed: scale type to Mel (was Linear), top of scale to 20000 Hz (was 8000 Hz), window size to 2048 (was 1024), and zero padding to 2 (was 1).
  • The main volume controls no longer change the system volume.
  • Raw Import now will remember the previously used settings. Automatic detection of the format now is a button.
  • A journaling feature has been added for QA purposes.
  • Generate > Tone now supports triangle waves.
  • There now exist “What’s new” screens for the update and welcome dialogs.
  • Timeline Quick Play for regions and locked regions have been replaced by playback looping.
  • The shortcut to rename labels and clip names has temporarily been hardcoded to Ctrl+F2.
  • This conflicts with the default xfce shortcut to change workspaces.


  • FFMPEG now supports avformat 55, 57 and 58.
  • PortAudio has been updated to version 19.7 and devendored (so it can be built against 19.6).
  • Several libraries (expat, libsndfile, …) have been devendored. The CMakeLists.txt lists which versions we build against.

Fixed Bugs

There are some 50 issues closed labeled as bug. Among them:

  • AppImages support localization.
  • Progress bars for Nyquist generators have been made more accurate.
  • Rhythm tracks can no longer drift off-time by 2ms over 9 minutes; they’re now sample-accurate.
  • The play button has regained a pixel or two to become a triangle once more.
  • Auto Duck has been made way more accurate and should no longer miss sections above the threshold.
  • The manual now only is included in the executable once
  • Shift-clicking a menu item no longer opens the settings menu
  • FFMPEG no longer segfaults ALSA
  • Audacity no longer crashes when macros output directory is set to C:
  • A bouncing ball of death problem has been fixed

Homepage –

Supported Operating Systems:

  • Windows 7, Windows 8, Windows 10.
  • macOS 10.7 – macOS 10.15

(Windows 10 may require appropriate audio drivers.)
Audacity screenshot