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CHANGELOG.txt
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CHANGELOG.txt
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List of significant changes and bug fixes going back to version 1.1.0
Changes in version 2.4.1:
Critical Bug Fix:
* Audacity 2.4.0 was released with a critical bug, (Bug 2436),
which is fixed in 2.4.1. The bug caused loss of data when using two projects at the same time.
Improvements
* Audacity now runs on Mac Catalina.
* A new Time Toolbar showing current record/playback time has been
split from the Selection Toolbar. It can be resized large.
* Presets for more effects can be imported and exported.
* A new Multi-View mode for tracks. In this mode both
spectrogram and waveform views are shown at the same time.
* Opus available as a new audio export format on Windows and Linux.
* Easier to convert labels between point labels and range labels.
* New Loudness Normalization effect.
* New RMS measurement analyzer.
* New Noise Gate effect.
* New Spectral Delete effect.
See also: https://wiki.audacityteam.org/wiki/New_features_in_Audacity_2.4.1
Bug Fixes
Over 100 bugs in 2.3.3 fixed, including:
* 2237 - Equalization effects have no Import or Export for curves
* 2261 - Graphic EQ sliders have no frequency labels
* 2265 - Track heights are reset to default on project re-opening
* 2303 - Playback does not start at the saved cursor position on reopening a saved project.
* 2314 - Zoom in fail when playing
Changes in version 2.3.3:
Improvements
* Equalization effect now split into two effects, Filter Curve and Graphic EQ.
* Presets (using manage button) now active/working.
* Can now have two points at same frequency for steep steps.
* 'What you hear is what you get' for exports. Formerly the solo button
preferences could lead to differences in which tracks were exported.
* Leading silence (blank space) not skipped over in exports.
* Quality setting on AAC/M4A exports.
* Some confusing functionality removed (better achieved in other ways)
* Removed Nyquist Workbench (use built-in nyquist features)
* Removed Vocal Remover (use Vocal Reduction)
* Removed On-Demand aliased files (copy files instead)
* Removed 'Normalize on Load' (Normalize as needed on export, instead)
Bug Fixes
Over 150 bugs in 2.3.2 fixed, including:
* 2112 - Crash when opening Equalization settings in a Macro
* 2127 - Crash deleting a track while in Record/Pause state
* 2176 - Crash when attempting to time shift multiple tracks
* 2141 - Tabbing between labels stopped working
* 2200 - Refusal to export some large (4GB) files on size grounds
Changes in version 2.3.2:
Improvements
* Audacity now includes the LAME mp3 encoder. Previously, due to now expired
patents, you had to download it separately.
* There is a new 'Select' button in the track panel to select the whole
track.
* Audacity mod-script-pipe for driving Audacity from Python now comes with
Audacity and can be enabled via preferences.
* Options and preferences:
* Type to Create a Label is now off by default.
* A plug-in installer for Nyquist now provides a file browser for
selecting '.NY' files to install.
Bug Fixes
Over 20 bugs in 2.3.1 fixed, including:
* Audacity 2.3.1 would crash if append-recording to a collapsed track.
* Many accessibility bugs on macOS fixed
Changes in version 2.3.1:
Improvements
* Audacity now supports 64 bit Mac.
* Options and preferences:
* Microfades are now an opt-in feature. They were always on in 2.3.0.
* The advanced vertical zooming option is now available in the
View->Zoom menu.
* Regular interval labels now support range labels.
Bug Fixes
Over 20 bugs in 2.3.0 fixed, including:
* A crashing bug on Linux that made Audacity 2.3.0. unsuitable for Linux.
* Crash on Mac when right clicking on label.
* Problems with Change Pitch, including not remembering parameter values.
Changes in version 2.3.0:
Improvements
* New feature - "Punch and Roll Recording".
* Pinned-play-head can now be repositioned by dragging
* Play-at-Speed now can be adjusted whilst playing.
* Toolbars controlling volume and speed can now be resized for greater
precision
* Macros (formerly 'Chains') substantially extended
* New Macro palette
* Macros can be bound to keyboard keys
* New commands
* New 'Tools' menu
* New 'Scriptables' commands
* Nyquist gains AUD-DO command
* Nyquist effects are now translatable and translated
* More dialogs have help buttons now
* Increased legibility of trackname display
* Half-wave option for collapsed tracks
* Sliding Stretch
* Dialog (option) for entering labels
Bug Fixes
Over 90 bugs in 2.2.2 fixed, including:
* Windows: Queen Mary 1.7.1 Vamp plug-ins crash Audacity on opening
Plug-in Manager - bug #1244
* Inconsistent behavior when recording with a selection defined - bug #1839
* Ctrl + M does not open label for editing - bug #1852
* Vertical Zoom in by clicking in the vertical Scale, or context menu, in
waveform views is inconsistent - bug #1810
* Deletion of all tracks cannot be undone - bug #1845
* Timer Record with a selection present can get a truncated recording with
data loss - bug #1851
* Duplicate shortcuts can be created - bug #1786
* Labels longer than 260 characters are now supported - bug #1905
* Using Spectrogram Settings in TCP or using Preferences causes Audacity
to reset Project Rate to default rate in Quality Preferences - bug #1977
* Cut Preview should play all selected/sync-locked tracks, respecting
Mute/Solo during preview - bug #231
Changes in version 2.2.2:
Improvements
* Dropout detection
Dropout detection is controlled from a setting in Recording Preferences
called "Detect dropouts".
When this setting is "on" (default setting) Audacity will detect dropouts
(brief gaps in the recording) and will insert zeroes into the recording
to keep the other good parts synchronized. These silent spans will make
the dropouts more obvious, but keep the duration of the recording correct.
When recording stops, a Warning message box alerts the user and a label track,
called "Dropouts", is added showing the lost parts, labeled with consecutive numbers.
* Improved horizontal zooming
For this release we have improved the way zooming using your mouse wheel
works and provided a new Zoom Toggle function.
* Improved vertical zooming
We have added a context menu to the vertical scale to control vertical zooming
Previous vertical zooming methods (left-click in the vertical ruler, left-drag
in the vertical ruler) remain available by selecting "Advanced Vertical Zooming"
in Track Behaviors Preferences.
* "Extra" menu
The "Ext-Bar" and "Ext-Command" menus have been consolidated into the "Extra" menu.
* Theme tweaks
The appearance and/or contrast of a few icons has been improved.
* Easier access to changing key bindings for shortcuts
For menu commands that are enabled (not grayed-out) if you hold the Shift key
and click on the sub-menu item, instead of executing the command the Keyboard
Preferences pop open at the chosen command. You can then change that (or any
other) shortcut binding.
* Language selection in Preferences
Interface Preferences has been upgraded so when selecting languages the proper
spelling of these languages is shown with accented and special characters.
Bug Fixes
* Multiple use of "Save As" to the existing open project can result in data
corruption/loss
* Crash undoing during record, using Discard button of History window
* Exporting audio in compressed formats to device with insufficient space produces
inconsistent/truncated results
* In Export Multiple, Cancel does not remove the file that is in progress when
Cancel is chosen
* Unicode page encodings fixed ( ͡° ͜ʖ ͡°)
* Crash using SBSMS pitch change at low sample rate
* (Mac) Equalization: "Telephone" curve displays a flat line, no sound on Preview
* Toolbars: open undocked if previously not shown, unless Reset Toolbars first
* Analysis effects that create labels should give focus to label track
* Control value may be out of range when using FloatingPointValidator
* Analysis effects produce false indication that a label is open for editing
* Import Uncompressed File Dialog Incorrect Reference to Menu Item
* Wave Color not grayed out in TCP dropdown menu when in Spectrogram view
* Hover indication on note track channel toggle appears on all tracks (when
they rerender)
* Installer has old logo for 2.2.1 and 2.2.0
* Un-muting with a single track unnecessarily activates the Solo button
* Applying chain to file should zoom-to-fit
Changes in version 2.2.1:
Improvements
* Waveform colorways
You can optionally change the colorway of the waveforms displayed in your project.
The setting is per track and not per project so you can have multiple colorways
in the same project.
* "Save Other" reverts to "Export" in the File menu
When we made the menu changes for 2.2.0 we introduced an entry into the File menu
called "Save Other" which led to a sub-menu for exporting various audio formats.
Many users were confused by this change and found it hard to find where they could
export audio from. So for 2.2.1 we have changed that menu entry to be File > Export.
Bug Fixes
* Release 2.2.1 was mainly a maintenance release.
Soon after the release of 2.2.0 we discovered some problematical bugs in Audacity:
Bug #1767 - Opening a second project from Mac's Finder produces a second
inaccessible instance of Audacity
Bug #1770 - Crash applying certain chain files
Bug #1783 - Preview fails when selection extends before zero
Bug #1787 - Auto-scroll stopped working in 2.2.0
Bug #1765 - Using File > Open to import audio gives wrong zoom level
and no scroll bar slider
Changes in version 2.2.0:
* Four Selectable themes provided, with new 'Light' theme as default,
plus option to customize
* Many menu changes:
* Menus Reorganized
* Extended menu bar provided
* New keyboard commands for working with clips
* Help buttons ? in Preferences, Effects, Generators and Analyzers - and
other places
* Non-Greying out of effects when no selection (and explanatory dialog
with help button)
* Playback of MIDI (and Allegro) files imported into Note Tracks is
now available.
* 'Center' option in Selection Toolbar
* Stem plots
* Major overhaul to documentation/manual including many new images and
streamlined text on landing pages for in-program help.
Other Changes
* Append-record is now the default (use Shift + Record for old behavior,
to record on a new track)
* The Esc key now cancels all click-and-drag actions. It also chooses among
overlapping mouse click targets, which is especially useful in the Multi-Tool.
* Sync-Lock button removed (use menu item or keyboard shortcut instead)
* New preferences and preference pages
* Overhaul of much code:
* Overhaul of envelope handling code to deal with some anomalies
* Overhaul of exception handling for greater safety
* New Logo
Bug Fixes
* Major work on bug fixing. 198 bugs that were in 2.1.3 were fixed for 2.2.0.
* The most serious bug fixed this time round was bug 437 which was
about what happens when Audacity is recording and runs out of storage.
* Most of the bugs fixed were more minor, such as bug 463 which was
about a case in which the numbering on the timeline could display
incorrect times.
Changes in version 2.1.3:
* Interface:
* (macOS) Support for horizontal scroll on Magic Mouse / Trackpad and for
Trackpad pinch/expand zoom gestures.
* Pinned option on waveform makes waveform move and recording/playing head
stay still.
* Timer Record options to save/export/exit after recording.
* Scrub Ruler and optional Scrub Toolbar.
* New shortcuts ALT+RIGHT and ALT+LEFT (move to labels without editing).
* Effects:
* Effects no longer grayed out when paused.
* New Distortion effect (replaces Leveller).
* SBSMS (higher quality but slower) option on Change Tempo / Change Pitch
effects.
* New Rhythm Track generator (replaces Click Track).
* New Generator for Sample Data Import.
* Nyquist effects now significantly faster.
* Other Changes:
* Upgraded the PortAudio library to v19 rev r1966. This gives Audacity
Windows 10 support.
* (Windows) DirectSound now records 24-bit samples.
* (macOS) Audacity.app now has its resources inside it rather than in a
separate folder, so installation to /Applications/ is cleaner.
* (macOS) Audacity 2.1.3 provides partial support for Sierra. Details at
http://wiki.audacityteam.org/wiki/Partial_Support_for_Mac_Sierra_in_2.1.3 .
Bug fixes:
Over 60 bugs fixed, including five longstanding bugs.
Changes in version 2.1.2:
* Interface:
* Spectrogram settings are now available per track.
* Clearer (sharper) display of pitch (EAC).
* New 'Spectral Reassignment' option in spectrogram. Good for vocal work.
* Other Changes:
* Upgraded the wxWidgets library from wx 2.8.12 to wx 3.0.2. This is
the main change in this release.
Bug fixes:
* Crashes
* Crash using 'space' in Selection toolbar context menu fixed.
* Crash setting equalization effect parameters in chains fixed.
* Crash when pressing both mouse buttons over toolbar buttons fixed.
* (Rare) crash or freeze in sound activated recording fixed.
* (Rare) crash on using plot spectrum for first time fixed.
* Interface
* Equalization effect settings are now saved.
* Oversized Export Options window (FFmpeg) now OK on smaller screens
* FLAC import/export fast again.
* Can now set undefined frequency in Spectral Selection bar.
* Imported presets on custom FFmpeg export fixed.
* Text input boxes working with VAMP
* Keyboard playback commands now work again.
* Import Raw Data now works when in Polish language.
* Mac OS X
* Mouse preference bindings now show 'command', not 'ctrl'
Changes in version 2.1.1:
* Effects:
* Built in effects now support presets.
* New Limiter effect replaces Hard Limiter effect.
* New Crossfade Clips effect to apply a simple crossfade to a selected
pair of clips in a single audio track.
* Can now add/remove effects from Generate and Effects menus.
* New version of Vocal Removal Effect.
* Classic Filters' now included as an opt-in effect.
* Interface:
* Much faster editing with larger projects, thanks to a faster method
for storing the autosave recovery file.
* Performance improvements for Draw Tool and zooming of Spectrogram views.
* Zero-padding Spectrograms Preference smooths the image for short
window sizes.
* Scrubbing and Seeking, including backwards play.
* Quick-Play from Timeline enhancements, particularly for looping.
* (Windows) Language of Audacity user interface is now set in installer.
* More VI usability enhancements for track focus & navigation.
* Other Changes:
* Upgraded to Nyquist 3.0.9 and libflac 1.3.1.
* Upgraded LV2 libs, LV2 GUIs on Linux, LV2 factory Presets.
* Crash report integration.
* Modules can be enabled in Preferences. Mod-nyq-bench available as an
experimental module (but not in the default download).
Bug fixes:
* Crashes
* Crash using Undo while dragging sample points
* Crash using File > Close on project window when Screenshot Tools was
open.
* FFmpeg Custom Export: Crashes importing presets.
* (OS X) Crash closing Track Gain or Pan adjustment box.
* (OS X) Crash closing project window between save project dialogues
* (Linux) TAL VST (but not other VST's) crashed if previewing built-in
effect
* (Linux) SPACE could not be used/could crash in context menus that have
a checkbox.
* Interface
* LV2 effects did not use parameters when using Chains.
* Built in Generators were not usable in Chains.
* Plot Spectrum could not change values without losing focus.
* Track dropdown menu settings could affect other tracks.
* Slight mismatch of vertical scale with linear spectrogram view.
* RTP effect Play/Stop button remained deactivated after built-in preview
ended.
* Contrast: "Move forward or backward through active windows" did not
refocus Contrast.
* LADSPA and LV2 generate plug-ins failed when white space selected.
* Mac OS X
* Confusing behaviour importing / exporting AU presets. In particular,
Apple Audio Units silently applied an imported preset.
Changes in version 2.1.0:
* 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.
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.
* Mac OS X:
* Fix uninitialized buffer - this should correct playback buzz or crackle
where the upper of multiple tracks started with or contained white space.
* Device names were corrupted when using system language other than English.
* Fixed crashes using (external program).
* Waves v9 Audio Units should now work correctly.
* 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.
* Operating system and sound device support:
* (Windows) Audacity 2.1.0 requires Windows XP SP3 (32-bit) or XP SP2
(64-bit), Vista, Windows 7, Windows 8 or 8.1.
* (Windows) Audacity is now compiled using Visual Studio 2013.
* (Windows) Recording with WASAPI host now includes experimental support
for physical inputs (up to 24-bit depth) as well as loopback recording.
* (OS X) 10.10 (Yosemite) is now supported including Apple Audio Units.
* Please report any issues with WASAPI recording/playback or Yosemite
to http://www.audacityteam.org/contact/#feedback .
* (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 src/audacity.desktop.in set to UBUNTU_MENUPROXY=0 but it
will remain up to distributions to use this desktop file.
Changes in version 2.0.6:
* Interface:
* Redesigned, searchable Keyboard Preferences with Tree, Name and Key views.
* Edit Menu: "Cut" and "Delete" are now in the top level of the menu.
* Transport Menu now includes "Play/Stop" and "Play/Stop and Set Cursor"
(use Keyboard Preferences to create shortcuts for "Play" and "Stop").
* Tracks Menu now includes "Mix and Render to New Track".
* Track Drop-Down Menu now has Move Track To Top and Move Track To Bottom.
* New right-click menu choice "Delete Label" to remove single labels.
* "Snap To" now offers choice of snap to the "closest" or "prior" position.
Note: the previous "Snap To On" keyboard shortcut will no longer work.
* "Snap To" settings are now independent for each project.
* Effects:
* Truncate Silence: redesigned with simpler option "Truncate Detected
Silence" to shorten to the specified length without compressing silence.
* VST effects: New "Settings" dialog lets you specify buffer size (for
faster processing) and enable buffer delay compensation (to prevent
inserted silence). Compensation may cause a crash in a few plug-ins.
* VST effects now support standard FXP presets.
* LV2 effects are now supported on all platforms (textual interface only).
* Import or export using FFmpeg now requires FFmpeg 1.2 or later (or libav
0.8 or later). For recommended downloads of recent FFmpeg please visit:
http://manual.audacityteam.org/o/man/faq_installation_and_plug_ins.html#ffdown .
* New Tamil translation (largely complete).
* (Windows) FLAC exports can now exceed 2 GB in size.
* (OS X) Easier Audacity installation using the DMG: drag the Audacity folder
to the /Applications shortcut.
* (OS X) Audacity 2.0.6 will not officially support OS X 10.10 Yosemite when
released (in particular, Apple Audio Units may not open in Audacity).
* (Linux) Self-compiled builds of Audacity now search for system LADSPA
effects in /usr/lib/ladspa.
Bug fixes:
* Interface:
* Region Restore did not restore the region after using Preferences.
* Dragging selections with the keyboard or Selection Toolbar digits
was very slow.
* (Windows) Help > About Audacity crashed when run in Magyar language.
* (OS X) Some full and reduced Menu Bar items were not translated.
* (OS X and Linux) Fixed various interface crashes.
* Effects:
* Reverb and Paulstretch were missing from Chains.
* Analyze > Contrast could report very inaccurate rms levels.
* Noise Removal: Attack and decay times were half as long as set.
* (OS X and Linux) Nyquist effects ran much more slowly than on Windows.
* Click or drag on the Timeline after Loop Play continued to loop.
* Transcription Toolbar did not play slower than 0.1x speed.
* (Linux) Audacity did not build if python 2 was not available.
* 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).
Changes in version 2.0.5:
* 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:
* 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.
Changes in version 2.0.4:
* 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:
* 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.
Changes in version 2.0.3:
* 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.
Bug fixes:
* 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 in version 2.0.2:
* Duration controls when generating at a point now default to
hh:mm:ss + milliseconds format. Selection Toolbar also defaults
to that format on first installation or resetting preferences.
* Toolbars visual improvements:
* "Snap To" in Selection Toolbar now has an explanatory tooltip.
* Device Toolbar tooltips now display the selected device.
* Increased default width of Device Toolbar and Meter Toolbar.
* Improvements and some bug fixes to Nyquist effects, including:
* Delay (new option to prevent duration change)
* Sample Data Export (new "L-R on Same Line" layout option)
* Risset Drum (new "Amplitude" slider).
* Importing a labels file writes the file name to the name of the
Label Track, and exporting a labels file offers the name of the
last Label Track in the project.
* Removed the "Audio cache" option from Directories Preferences
due to frequent crash reports. All data operations will now
be written to disk and not to RAM.
* Removed the FFmpeg "On-Demand" option from Libraries Preferences
(this fixes Audacity not building if configured --without-ffmpeg).
* Compilation: Progress on making the Modules feature mainstream.
Modules can now be individually enabled and disabled in Preferences.
Bug fixes:
* Interface:
* "Retain labels" Interface Preference did not retain labels for
a region that snapped exactly to both label edges.
* Projects did not save the track selected state.
* (OS X, Linux) Timer Record: Interlinking of the Start, End and
Duration controls was broken.
* (Windows) JAWS screen-reader did not read the "Draw curves" and
"Graphic EQ" radio buttons in Equalization correctly.
* Envelopes and Clips:
* Exporting (or any render operation) on a track containing
split lines could create clicks at the split lines.
* Dragging a clip into another track caused a crash if Sync-Lock
Tracks was enabled and there was also a label track.
* Effects and Analysis:
* Normalize could crash if the track name contained "%".
Changes in version 2.0.1:
* 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 (off by default) to import files On-Demand (without
seek ability) when using the optional FFmpeg library.
* New Preference (off by default) to retain labels when deleting a
selection that snaps to the label without extending past it.
* (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.
Bug fixes:
* 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, Exports and Files:
* 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.
* (Linux Ubuntu) .Aup files could not be associated with Audacity
(they opened in the web browser instead).
* 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 between version 1.3.14 Beta and 2.0.0:
* New Interface preference to show the track name in the display (this
is off by default).
* Longer default Playback preference for effects preview and preview
before cut.
* Restored use of Page Up and Page Down to scroll horizontally.
Bug fixes:
* Interface:
* Fixed playback speed and synchronization problems when dragging
clips or tracks between tracks having different sample rates.
* (Windows) Removed a crash risk where shortcuts could be
used to record or import in one project while importing or
exporting in another.
* Imports and Exports:
* Fixed crashes when changing the sample format of read-directly WAV
or AIFF files using the Track Drop-Down Menu.
* Fixed a crash importing MP3 files that had duplicate metadata tags
(this is a bug in current libsndfile which has been patched in
Audacity; MP3 files mislabeled as WAV which have duplicate tags
will still crash Audacity on Linux if Audacity has been compiled
against an affected version of system libsndfile).
* Fixed an issue where excessively high or corrupted sample values in
the audio could corrupt exports from the start of the problem for
the rest of the file, and could corrupt the rest of the project.
* (Linux) Fixed Audacity could not be compiled against FFmpeg
0.7.x and 0.8.x.
* Effects and Analysis:
* Fixed crash on launch when using "Ambisonic Decoders (PC)" VST
plug-ins and other plug-ins that enable additional floating point
exceptions.
* Fixed Plot Spectrum background could be transparent on some machines.
* Bug fixes for Click Track, High Pass, Low Pass and Vocal Remover.
* Chirp, Tone and Silence generators now remember their settings.
* Other miscellaneous bug fixes.
Summary of bug fixes and new features between 1.2.6 and 2.0.0:
* New features: There are dozens of new features in 2.0.0, including:
* Many effects significantly improved, especially Equalization, Noise
Removal and Normalize. Vocal Remover now included plus GVerb on
Windows and Mac. VAMP analysis plug-ins now supported.
* 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.
* New Device Toolbar to manage inputs and outputs. Timer Record feature.
New Mixer Board view with per-track VU meters.
* Automatic Crash Recovery in the event of abnormal program termination.
* Fast "On-Demand" import of WAV/AIFF files if read directly from source.
FLAC now fully supported. Added support for optional FFmpeg library
for import/export of AC3/M4A/WMA and import of audio from video files.
Please visit http://www.audacityteam.org/about/features/ for a full
list of features in 2.0.0. You can click Help > Manual (in web browser)
in the program to read more.
* Bug Fixes:
* Labels now accept lower case "z".
* (Windows Vista/7) Pressing Stop after recording could cause a crash.
* (Mac OS X) Fixed shortcut keys activating when typing in file open or
save windows.
* (Mac OS X) Audacity 2.0.0 fully supports Unicode, which fixes an
issue where Audacity could not work with folders having non-English
characters in their name.
* (Linux) Playing existing tracks while recording in mono could cause
recordings to be distorted or low-pitched.
Changes in version 1.3.14 Beta:
* Normalize: Faster processing and improved interface. Left-right balance
in unsplit stereo tracks is now preserved by default, with a checkbox
option provided to process stereo channels independently.
* Spectrograms now allow window sizes up to 32768 and frequencies up to
half the sample rate (the maximum possible).
* Mix and Render now preserves clip length by not rendering white space
between time zero and first audio, and preserves audio before time zero.
To retain silence before the audio starts, generate silence after render.
* Grouped some Edit Menu items into "Remove Audio" and "Clip Boundaries".
* CleanSpeech Mode removed from Interface Preferences (it still runs if it
was enabled in a previous Audacity but can only be turned off there).
* (OS X) Added support for AudioUnit MusicEffects (but no MIDI support).
* (Linux) Set the per-user files directory per the program name set in
configure.
* (Linux) Changed the default location of the Audacity temporary directory
to be in /var/tmp not /tmp, so preserving the directory between reboots.
Bug fixes:
* Interface:
* Excessive delay occurred when typing into labels in long projects.
* Last digit of TimeText controls could not be manipulated in some formats.
* (Windows, OS X) Play and Record shortcuts did not work after clicking in
Device Toolbar.
* (OS X, Linux) Crash occurred if Toolbars were reset during playback or
recording.
* Imports and Exports:
* MP2 files were not importable without FFmpeg library or an import rule.
* Files that could only be imported using FFmpeg imported as noise with
no error message if FFmpeg was not available.
* Files containing PCM audio but an incorrect extension (such as MP3)
caused a freeze.
* Effects and Analysis:
* An empty command could be added to a Chain which then displayed a
Nyquist error message when run.
* Plot Spectrum didn't preserve signal level if multiple tracks were
analyzed.
* Other bug fixes:
* Audacity has been provisionally fixed so that it can no longer create
block files longer than the sample format or project format allows,
and can no longer delete these, which led to data loss. Any overlong
blocks found are preserved but "orphaned", so will appear as silence.
* Orphan block files were wrongly reported if cutting or copying to
the clipboard then reopening the project in the same session.
* Fixed some crashes and incorrect movement of audio when dragging tracks.
* (Windows) Data loss is now prevented when encountering a corrupted
.aup file created in ANSI builds.
* (Linux) Restore building if USE_PORTMIXER is not defined.
Changes in version 1.3.13 Beta:
* Control Toolbar renamed to Transport Toolbar.
* Device Toolbar (on by default) now contains all input and output device
choices, including host and recording channels. Input/output choices are
no longer in Mixer Toolbar on Windows XP or some older operating systems.
New Transport > Rescan Audio Devices menu item to refresh the device list.
* New "Sync-Lock Tracks" feature (turned on in the Tracks menu) to allow
groups of audio and/or label tracks to retain synchronisation when the
track length changes.
* Equalization: New "Manage Curves" dialog for importing and exporting curves.
* Noise Removal: New "Sensitivity" slider to adjust the noise threshold, and
new option to isolate noise.
* New "Extended Import" Preferences for specifying different importers to
open specific file extensions.
* Improved Automatic Crash Recovery with all project changes autosaved.
* MIDI tracks can be vertically zoomed, time shifted and display bar lines.
Note: the channel selection buttons are not available in 1.3.13.
* (Windows and Linux) The window Close button and other system close or
shutdown commands now quit on closing the last window. File > Close now
always clears to a new, empty project.
* (OS X) Simpler installer with top-level "Audacity" folder.
Bug fixes:
* Interface:
* Cutting or copying from a track at a given sample rate into a track
at another rate resulted in speed-changed audio.
* Generating inside a clip could modify the clip length or create
spurious clips.
* Recorded stereo tracks were only half the height of imported or
generated stereo tracks. Imported stereo files had a "1" appended
to the track name.
* Edit > Region Save did not save the cursor position.
* (Windows) Projects crashed when clicking rapidly inside the interface
or when applying repeated effects towards the end of audio tracks.
* (Windows) Some Unicode characters could not be typed into labels,
or caused a freeze using some input methods.
* (OS X) Crash when quitting an empty project window, or when closing the