Audacity

Recording / Playback:
- Several bugs fixed so that latency correction should be better, and more devices work correctly.
- Problems with invalid sample rates under Linux should be much rarer.
- Newer version of Portaudio library.
- New feature to record onto the end of an existing track (hold Shift while clicking Record).

Import / Export:
- Updated versions of Libogg, Libvorbis, Libflac, Libsndfile and Twolame libraries.
- Handling of unsupported file formats more informative.
- Handling of file names with slashes on OS X improved.
- New dialog allows replacement of illegal file name characters on all platforms.

Interface:
- Improved scaling and layout for rulers and VU meters.
- Envelope fixes/improvements including full control of undo/redo.
- New keyboard shortcuts and improved menu navigation.
- Preferences:
More intuitive tab arrangement.
New options for mute/solo and Metadata Editor behavior.
Language can now be changed without restart.
- Expanded Build Information tab.

Effects:
- New Vocal Remover plug-in, improvements for Generate effects.

Compilation:
- Fixes when building Audacity with libraries disabled.
- Improvements to make Mac and Solaris builds easier.

Security:
- Full fix for issue CVE-2007-6061 on systems where temporary directories can be changed by other users (thanks to Michael Schwendt).

Miscellaneous:
- Updated translations for many locales.
- Several stability improvements.

Requirements
Mac OS X 10.4 or later

Changes in 1.3.2 and 1.3.3:

Opening/saving formats:
* Import of audio from QuickTime (mov, aac, m4a) files is now
supported on OSX
* Metadata may be added to OGG files
* Improved export option selection
* Importing of Broadcast Wave Format (BWF) wave files now tolerated
* Additional export options added to MP3 and FLAC file formats
* Command line exporter now supported on Windows and OSX

Effects:
* EQ effect responsiveness improved
* Several enhancements to the EQ Effect
* Batch support added for the EQ effect
* New Auto Duck effect
* Added previewing to AudioUnit effects
* Much improved Noise Removal effect
* Effects previewing may now be canceled
* New DTMF Tone Generator effect
* Additional options available in Noise effect
* Improved the Tone Generation effects

Other features:
* New built-in screen capture utility
* Major speed improvement in Spectrogram rendering
* Increased support for drag and drop on OSX
* Support added for building against wxWidgets 2.8
* Support opening multiple Audacity Projects at once from Explorer on
Windows
* Improved main window sliders
* New support for snapping while selecting and sliding
* Improved track focus handling and visual feedback
* Speed improvements and handling of resizing/zooming in tracks
* Spectrum view may now be zoomed
* New internal file cache to improve handling of project files over
networks

Also:
* Many improvements to language specific translations
* Numerous stability improvements

Beta version 1.3.2
Usability improvements
New selection bar
New features for label tracks
Improved toolbar docking flexibility
Menu renaming and reorganization
Selection, ruler, and playback control improvements
Major improvements to some built-in effects
New Repair effect
Improved Equalization effect
Many fixes and minor improvements to other effects
Improved accessibility for the visually impaired
Improvements for screen readers, accessibility of tracks, and hot keys
Timer recording
Auto-save and automatic crash recovery
New features and bug fixes for Nyquist
Restructured Preferences dialog
Improved batch processing
File format export improvements
Intel Mac support
Many bug fixes and stability improvements

Beta version 1.3.2
Usability improvements
New selection bar
New features for label tracks
Improved toolbar docking flexibility
Menu renaming and reorganization
Selection, ruler, and playback control improvements
Major improvements to some built-in effects
New Repair effect
Improved Equalization effect
Many fixes and minor improvements to other effects
Improved accessibility for the visually impaired
Improvements for screen readers, accessibility of tracks, and hot keys
Timer recording
Auto-save and automatic crash recovery
New features and bug fixes for Nyquist
Restructured Preferences dialog
Improved batch processing
File format export improvements
Intel Mac support
Many bug fixes and stability improvements

- The File menu now includes a list of recent files.
- The "Generate Silence" effect now prompts for a length.
- Audacity is now built with Vorbis 1.1, which features better encoding quality and file compression.
- Dragging sound files into the Audacity window now works on Mac OS X and Linux, as well as Windows. (Before, it worked only on Windows.)
- Better support for certain audio devices on Mac OS X 10.4 "Tiger"
- "Preferences" command is now in Edit menu.
- "Plot Spectrum" command is now in Analyze menu.
- Opening a project file saved by a later version of Audacity displays an intelligent error message. Also, trying to import a project file (instead of open it) displays an intelligent error message.
- Audacity now compiles in Visual C++ .NET 2003.
- Other minor bug fixes.
- New or updated translations: Arabic (ar), Czech (cs), Finnish (fi), Hungarian (hu), Japanese (ja), Norwegian (nb), Slovenian (sl), Simplified Chinese (zh_CN), Traditional Chinese (zh_TW).

This release fixes a bug that causes random crashes on Mac OS X. It also includes several updated translations, and some other minor bug fixes and improvements.

Requirements
Mac OS X 10.1.3 or higher