Audacity Changelog

New in version 2.1.0 RC1

March 4th, 2015
  • Changes and Improvements:
  • Effects:
  • LADSPA, VST and Audio Unit (OS X) effects now support real-time preview, save/load of user presets and saving effect settings across sessions.
  • Note: Real-time preview does not yet support latency compensation.
  • VST effects now support import/export of FXB preset banks.
  • Shell VST effects that host multiple plugins are now supported.
  • All Effect Menu items (built-in or plugin) can now be used in a Chain.
  • Items in the Effect, Generate or Analyze Menus can be sorted or grouped by name, publisher or class of effect.
  • Noise Removal is improved and renamed to "Noise Reduction".
  • Change Speed has new time controls for current and new length. You can now enter the speed change as a multiplier e.g. "2" is twice as fast.
  • New "Crossfade Tracks" effect can be used for crossfading two tracks. This replaces Cross Fade In and Cross Fade Out.
  • Nyquist Prompt and most shipped Nyquist effects now have Preview button.
  • Interface:
  • Redesigned Meter Toolbars: The default shows separate Record and Playback Meters, half-height so they can be wider while docked, in gradient style.
  • A frequency selection can now be made (and spectral edit effects applied to those frequencies) when in a spectrogram view. You can also create or adjust frequency selections in a new "Spectral Selection Toolbar" (available at View > Toolbars).
  • Transcription Toolbar (Play-at-speed) can now loop play and cut-preview.
  • Timer Record now saves recordings automatically into an existing project.
  • New Armenian translation.
  • (Linux Ubuntu) Under Unity, keyboard shortcuts are not visible in the Audacity menus. Keyboard shortcuts are visible if you install the classic GNOME Flashback interface or under Unity if you open Audacity with the UBUNTU_MENUPROXY=0 environment variable. Audacity compiled from source will ship with rc/audacity.desktop.in set to UBUNTU_MENUPROXY=0 but it will remain up to distributions to use this desktop file.
  • Bug fixes:
  • Interface:
  • Typing "j" or "k" in a label track activated the "move cursor" shortcut.
  • Spectrogram log (f) view displayed incorrectly until vertically zoomed.
  • Fixed crash after zooming out on vertical scale beyond +/-1.0.
  • Selections made with Selection Toolbar were not restored after Undo.
  • Undo could fail silently if a selection included/touched a clip boundary.
  • Imports and Exports
  • If there were invalid FFmpeg libs in system PATH this prevented Audacity recognising the installed FFmpeg or the FFmpeg specified in audacity.cfg.
  • GNU/Linux:
  • Fix "Audacity already running" error when using the command-line or context menu to open multiple or further files.
  • Fix segfault exporting an FFmpeg format to an unwritable folder.
  • Fix silent failure exporting FFmpeg, MP2 or OGG to an unwritable folder.
  • Fix ENTER activated an effect when OK button was greyed out.
  • Addendum:
  • The previous Audacity 2.0.6 version fixed an issue that projects did not reopen correctly if they contained tracks having 2^31 samples or greater of audio (just over 13.5 hours at 44100 Hz).

New in version 2.0.5 (October 22nd, 2013)

  • (OS X) Crashes when importing audio files are fixed.
  • (OS X) Files can now be opened using Finder "Open with", and by double-click or dragging to the Audacity icon.
  • (OS X) Audio Unit plug-ins are not loaded until used. This makes Audacity start faster and avoids startup crashes due to incompatible plug-ins.
  • (Windows) On a very few machines, the Windows WDM-KS low latency host caused Audacity 2.0.4 to hang or the computer to crash. WDM-KS has been removed from Audacity 2.0.5 while we work on safely enabling this host. WDM-KS will still be available for testing in the Windows alpha development builds.
  • (Windows) Fixed a bug where Audacity would not record until the current input was reselected.
  • (Linux) You can now navigate through an effect or other dialog using keyboard TAB.

New in version 2.0.5 RC1 (October 16th, 2013)

  • Changes and Improvements:
  • Tracks Menu:
  • The separate commands that aligned track start or end with the cursor or with selection start are combined into "Cursor/Selection Start" commands.
  • "Align and Move Cursor" renamed to "Move Selection when Aligning".
  • Label Tracks:
  • Labels Editor now allows empty labels to be saved on closing the editor.
  • TAB and SHIFT+TAB when the label track has focus now always move forwards or backwards respectively to the nearest label.
  • (Windows) On a very few machines, the Windows WDM-KS low latency audio host introduced in Audacity 2.0.4 caused Audacity to hang or the computer to crash. WDM-KS has been removed from 2.0.5 until it can be safely enabled.
  • (Windows and OS X) Screen reader improvements for Install VST Effects dialog.
  • (OS X) Audio Unit plug-ins detected by Audacity on launch are now not loaded until chosen from the Effect menu. This should speed up launch and avoid crashes at launch due to misbehaving Audio Units.
  • (Linux) Update to PortAudio r1910 fixes memory and other bugs under ALSA.
  • (Linux) Applied fix for wxGTK 2.8.12 bug which resulted in loss of Audacity's menu bar (or visual corruption under Unity) on Debian-based systems.
  • Bug fixes for:
  • Shaped dither was corrupted and too loud on all stereo exports except FLAC.
  • Keyboard Preferences: some Edit and Align commands for different sub-menus showed the same name.
  • Recordings stopped with "Stop and Set Cursor" shortcut could not be undone.
  • In locales that use comma for decimal separator:
  • Text boxes with slider in Nyquist effects only produced whole numbers when using comma to enter a fractional number. Text boxes without slider still have this problem.
  • Built-in generators produced silence after running a Nyquist effect.
  • (Windows) When first changing to Windows WASAPI host, the input volume slider in Mixer Toolbar was enabled when it should have been permanently disabled.
  • (Windows) On some machines, launching Audacity then recording from the current Device Toolbar input would not record until the input was reselected.
  • (OS X) Frequent crashes occurred on importing audio files on some machines.
  • (OS X) Files did not open using Finder "Open with", double-clicking the file or dragging the file to the Audacity icon.
  • (Linux 64-bit) Fixed a crash when using Equalization.
  • (Linux) It was not possible to open an effect or other dialog then navigate through the dialog using TAB.
  • (Linux) The Play shortcut did not play a read-directly WAV, AIFF or FLAC import if the warning for importing uncompressed files appeared.

New in version 2.0.4 (September 9th, 2013)

  • New Effect > Reverb (based on Freeverb), that replaces GVerb.
  • New View > Go to Selection Start and Go to Selection End commands.
  • New Tracks > Align End to End command to append selected tracks.
  • WAV files import/export now supports "Album Title", "Track Number" and "Genre" LIST INFO tags and ID3 tags.
  • (Windows) New support for Windows WDM/KS host which can provide very low latencies if you reduce "Audio to Buffer" in Recording Preferences.
  • (Windows Vista and later) You can now record computer playback by choosing the new Windows WASAPI host in Device Toolbar , then a "loopback" input.
  • Bugs have been fixed, involving Keyboard Preferences, Equalization curves, and Effect > Change Pitch, and several more.

New in version 2.0.4 RC1 (September 2nd, 2013)

  • Changes and Improvements:
  • New "Reverb" effect to replace GVerb, based on the original "Freeverb".
  • New View > Go to Selection Start and Go to Selection End commands.
  • New "Align End to End" command to append existing tracks to each other.
  • Change Tempo now supports fractional BPM.
  • Plot Spectrum now supports FFT sizes up to 65536.
  • WAV files now support "Album Title", "Track Number" and "Genre" LIST INFO tags and also support ID3 tags.
  • Handle a bug in older iPods or some OS X applications that cause them to refuse AIFF files whose metadata contains an uneven number of characters,
  • (Windows) Added support for "Windows WDM-KS" host which can provide very low latencies if you reduce "Audio to Buffer" in Recording Preferences.
  • (Windows Vista and later) You can now record computer playback by choosing the new "Windows WASAPI" host in Device Toolbar then a "loopback" input.
  • (Windows and Mac OS X): VST scanning dialog now replaced with a dialog for choosing which VST effects to load.
  • (Linux) CTRL + ALT can now be used to smooth samples in Draw Tool.
  • Modules Preferences replaced with a dialog on launch of Audacity enabling you to choose which modules to load.
  • Bug fixes for:
  • Keyboard Preferences: Shortcuts for Generators, Effects and Analyzers were not exported. All imported shortcut changes were discarded.
  • Equalization curves were corrupted in Graphic EQ mode after switching to/from Draw Curves or after running the effect then reopening it.
  • Change Pitch displayed corrupted values when reducing pitch or editing "from" Frequency. Detection was very inaccurate at high sample rates.
  • Bass Boost no longer clips if the track contains 32-bit audio.
  • Auto Duck was excessively slow on older machines.
  • (Windows) Exported MP3 comments tags were not seen by Windows programs.
  • (Windows and OS X) Audacity crashed if you used system quit before file import was complete.
  • (Linux) Equalization crashed Audacity if the XML file was corrupted.
  • (Linux) When configuring effect parameters in "Edit Chains", "Preview" (not intended to be functional) caused a crash.
  • (Linux) LICENSE.txt and README.txt were wrongly installed in /usr/local/share/doc instead of /usr/local/share/doc/audacity/ .
  • Accessibility: ENTER did not toggle selectedness of a label track unless a label was selected.
  • Numerous other interface fixes.

New in version 2.0.3 RC1 (January 19th, 2013)

  • Bug fixes for:
  • Crash using Undo whilst time-shifting a track.
  • Crash using Repair if the selection extended into an empty track.
  • Export Multiple didn't prevent export if there was no audio or all audio was muted. This allowed export of small invalid files.
  • Time Track:
  • Loop Play of a speeded-up track inserted silence.
  • Playback and rendering was significantly inaccurate, creating audible and visual glitches.
  • Accessibility:
  • The mnemonics character "&" was read out by screen readers in most of the Preferences choices.
  • NVDA did not read static text in most dialogs. Text can now be read by using INSERT + B.
  • JAWS and Window-eyes misread the "Duration" control in Silence Generator.
  • Toolbar buttons could not be pressed by ENTER
  • Other interface bug fixes.
  • Changes and Improvements:
  • The SoX Resampler library (libsoxr) has replaced libresample in Audacity releases, offering both higher quality and greater speed. .
  • Time Tracks new features:
  • "Set Range" now changes only the range of the Time Track, preserving the pitch/speed set by any existing warp points.
  • Vertical scale added with options for linear and logarithmic display and interpolation.
  • Upper and lower speed limits will now be remembered when saving and reopening a project in 2.0.3. Warp points in projects saved by previous Audacity versions will be correctly restored in 2.0.3.
  • Warp points saved in a 2.0.3 project will be preserved if opened in previous versions but playback and display will be incorrect.
  • New effects:
  • Studio Fade Out (uses a filtered "S" curve).
  • Adjustable Fade (accessible effect for creating partial fades and adjustable fade shapes).
  • Bass and Treble (replaces Bass Boost).
  • Real sample rates up to 384000 Hz are now supported for playback and recording in high resolution devices (the maximum is up to 192000 Hz for Windows DirectSound host).
  • Labeled Regions in Edit Menu is renamed to "Labeled Audio" and now allows splits to be placed at point labels. Labeled audio regions that touch without overlapping are treated as separate regions. Overlapping labeled audio regions are treated as a single region.
  • Compilation: cmake is required in order to build libsoxr.
  • New Croatian translation of Audacity.

New in version 2.0.1 RC1 (June 25th, 2012)

  • Bug fixes for:
  • Interface:
  • Selection Toolbar: a value for the previous whole second displayed if the value was close to a whole second.
  • Finding zero crossings could cause the selection to expand into white space at either side of the clip.
  • Clips did not drag to another track if mouse was over a selection.
  • Mixer Board: Rendering four tracks resulted in a redundant Track Strip followed by a crash.
  • Imports and Exports:
  • Exporting to WAV or AIFF led to a "Libsndfile says" error or corrupted output due to order of metadata in imported files.
  • (Mac) Fixed crashes importing MP3 files on PPC machines.
  • Effects and Analysis:
  • Normalize: Fixed issues where normalization could be to wrong value if applied with DC offset correction, or if applied to "read-directly" WAV and AIFF files before On-Demand completed.
  • Sliding Time Scale: fixed an audible discontinuity at the beginning of the processed selection; fixed a serious quality problem on Linux 64-bit.
  • Other miscellaneous bug fixes, including fix to prevent zooming with mouse wheel or ball scrolling the content off-screen,
  • Changes and Improvements:
  • Shortcuts can now be added in Keyboard Preferences to items in the Generate, Effect or Analyze menus, including user-added plug-ins.
  • Nyquist Effect plug-ins can now be added to Chains.
  • New "Paulstretch" effect for extreme slowdown without pitch change.
  • New "Sample Data Export" Analyze effect for exporting a file containing amplitude values for each sample in the selection.
  • New Preference to import files On-Demand (without seeking ability) when using the optional FFmpeg library.
  • (Windows installer) New option to reset Preferences on next launch.
  • (Mac) Audacity now has excellent compatibility with the VoiceOver screen reader. For details, please see: http://manual.audacityteam.org/help/manual/man/accessibility.html#mac .
  • CleanSpeech Mode (no longer supported) will not now be enabled even if it was enabled by an earlier version of Audacity.
  • Added Serbian (Latin and Cyrillic) translations.

New in version 1.3.11 Beta (January 20th, 2010)

  • Imports and Exports:
  • Bug when exporting partial selections caused too much audio to be exported is fixed
  • Fix corrupt files exported through FFmpeg when metadata included (metadata is now exported correctly in M4A files)
  • Prevent saving a new Audacity Project over an existing one as this could corrupt both projects
  • Improved help for files that cannot be imported because the relevant optional library is missing
  • Effects:
  • Allow effects which change the length of the audio they work on to also be applied to selected label tracks, thus keeping them synchronized
  • Fixed inability in Nyquist plug-ins to add labels to an existing label track
  • (Mac) Equalization window was corrupted after Preview
  • (Linux 64-bit) Fixed crash Generating Click Track
  • Audio Devices:
  • Fixed bug causing recording to stop short when the recording sample rate is not supported by the sound device and libsamplerate is used for resampling
  • Fix crash when opening Preferences on a machine where there are no available audio devices
  • Fixes for bugs using Timer Record and Sound Activated Recording
  • User Interface:
  • Sizes of some dialogs adjusted to ensure they fit on the screen
  • Fix for supposedly "hidden" items appearing on screen with large monitors
  • Various keyboard shortcut and translation fixes
  • Other bug fixes:
  • Several timing-dependent crashes and minor incorrect behaviours have been fixed
  • Windows installer now installs correctly over previous versions of Audacity
  • Changes and improvements:
  • (Windows) Better icon file with higher resolution and transparency
  • New SoundFinder plug-in to label regions of audio between silences, so allowing silences between tracks to be excluded when exporting multiple

New in version 1.3.9 (October 2nd, 2009)

  • Various bugfixes and feature enhancements were made.

New in version 1.3.9 Beta (September 1st, 2009)

  • Bugs fixed:
  • Crash, slow launch or excessive CPU/memory use arising from automatic VST support
  • Default View Mode now works
  • Chains now always apply their stored parameters rather than those last used in Effect menu
  • Non-MP3 files imported via drag or Recent Files caused crash if filter in file open window set to MP3
  • AAC exports (using the optional FFmpeg library) silenced
  • Generating audio always fitted the project in the window; fit now done only if generating in new track
  • View menu items/shortcuts incorrectly disabled when playing or recording
  • DTMF generator defaulted to zero duration on open
  • Unwanted interactions between linked audio and label tracks
  • Various other interface bugs
  • Improvements:
  • Compressor: new option to compress based on peaks, improved attack and decay time support
  • Mixer Board: improved design, more responsive meters and now interacts fully with Track Panel in main window

New in version 1.3.8 Beta (July 17th, 2009)

  • New Features:
  • Effects and Analysis:
  • VST Effects now display GUI by default
  • Faster Equalization and Noise Removal; improved Truncate Silence and Click Track
  • Chains applied to files now clear temporary data after processing each file
  • Updated Nyquist implementation with support for SAL syntax and improved memory management
  • Plot Spectrum now analyzes up to 237.8 seconds of audio, with separate windows for each project and improved display; new preferences for Spectrograms
  • Contrast Analysis tool now modeless for easier use
  • Interface:
  • Draft Manual/Quick Help included in Windows and Mac installers
  • New "Mixer Board" view with per-track VU meters
  • Mute, solo, gain, pan and track height saved in projects
  • More compact Preferences window with easier-to-use Keyboard tab and new toolbars shortcuts
  • New Screenshot Tools and improved screen reader support
  • Other:
  • Record more than 16 channels (hardware/drivers permitting)
  • Improved support for non-mmap ALSA devices such as PulseAudio
  • 32-bit float data over 0 dB now handled without clipping
  • "Stop" option when importing preserves already imported data
  • AMR NB export now supported if the optional FFmpeg library is installed
  • Faster waveform drawing and better response in multi-track projects
  • Bug fixes for:
  • Export Multiple: failed if empty label encountered; files silenced if overwriting imported WAV files without copying them in
  • Metadata Editor hidden if it was on a now unavailable second monitor
  • Misaligned audio after "Split New" or Noise Removal effect
  • Incorrect label movement and paste with linked audio and label tracks
  • Equalization, Cut Preview and Advanced Mixing Options dialogue
  • (Linux) Mixer Toolbar should now adjust levels and select input sources properly
  • "Audio cache" preference caused crashes - data is now only cached in memory if available RAM is above a level defined in preferences
  • Various other crashes

New in version 1.3.7 Beta (January 28th, 2009)

  • Cross-platform Bug Fixes:
  • Muting/soloing caused incorrect channel results in exported stereo files
  • Noise Removal and all Nyquist effects pasted the original unmodified audio at the end of the modified region
  • Noise Removal inserted a tail of low level noise at the end of the modified region
  • Nyquist and Compressor plug-ins did not display moving bars in progress dialogue and over-estimated "Remaining Time"
  • Cancelling Nyquist effects deleted unprocessed audio
  • Change Speed and Change Tempo failed to modify the original selection length
  • Cut lines invisible
  • Fixed various bugs importing multi-stream files via FFmpeg
  • File > Export as WAV could be corrupted if overwriting an imported WAV read direct from the file
  • Export multiple "Other uncompressed files" choice always produced 16-bit PCM audio irrespective of chosen options.
  • MP3 export usually produced a 128 kbps constant bit rate file irrespective of chosen options; reported length often incorrect
  • MP3 ID3 Genre tag misread on import if the genre list in Metadata Editor was opened and saved
  • Exported metadata tags in MP3, OGG and FLAC often not seen by player software - now substantially improved
  • WMA exports (via FFmpeg)corrupted if metadata tags included
  • Some multi-channel recording devices that previously recorded more than two channels no longer did so
  • Generated audio did not fit in window
  • No warning was given when saving an empty project
  • Beep on completing longer process did not work on many systems
  • fixed crashes importing lists of files (.LOF), in Meter Toolbar and Change Speed
  • Platform-specific Bug Fixes:
  • Spurious clipping at start of playback
  • Labels did not accept certain legal characters
  • Shortcuts did not work after running effects
  • Project Rate did not change to respect rate of first imported file if that rate was unsupported
  • New Features:
  • F11 Full Screen mode
  • High-quality "Sliding Time Scale/Pitch Shift" effect
  • Audio Contrast Analyzer for testing audio on the internet for WCAG2 accessibility compliance.
  • Windows: sound devices can now be opened using the more efficient DirectSound API
  • Other changes:
  • Latency correction should be improved for many users by employing a fixed rather than variable correction
  • Grouping of Effects into categories turned off until a way is added for users to do so themselves
  • Numerous minor interface improvements such as Metadata Editor navigation, new "hh:mm:ss + hundredths" selection format
  • Note: Windows users wanting to export MP3 files will require the latest version of the LAME encoder from here.