Audacity 2.0.0 - Changelog

What's new in Audacity 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

What's new in Audacity 1.3.9:

October 2nd, 2009

· Various bugfixes and feature enhancements were made.

What's new in Audacity 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

What's new in Audacity 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

What's new in Audacity 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.