New in Audacity 1.3.6 (October 24, 2008)
Major new capabilities
FFmpeg support (downloadable separately) permits import and export of a much wider range of file formats, including WMA, M4A and AC3, plus import of audio from video files
On-demand loading of uncompressed files eliminates the wait before files can be played or edited
Linked audio and label tracks allow labels to move with their corresponding audio when cutting, pasting or changing speed or tempo
Other features
Hierarchical plug-in grouping for built-in plug-ins
Sound activated recording
Ability to save smaller, compressed project files
MIDI files can now be imported, cut-and-paste edited, then exported
Miscellaneous
Transport menu for easy access to frequently used recording/playback commands and preferences
Default View Mode Preference to choose Waveform, Spectrum or Pitch view
Several bug fixes

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thanks for sharing. will try it out later..

Audacity 1.3.7 Beta
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