Audacity: A Free, Cross-Platform Digital Audio Editor

Version 0.98 (January 21, 2002)

http://audacity.sourceforge.net/

Primary author:

  Dominic Mazzoni <dominic@minorninth.com>

Authors:

  Dominic Mazzoni <dominic@minorninth.com>
  Roger Dannenberg <rbd+@cs.cmu.edu>
  Jason Cohen <cohen3+@andrew.cmu.edu>
  Robert Leidle <rfl+@andrew.cmu.edu>
  Mark Tomlinson <marktoml@hotmail.com>
  Joshua Haberman <joshua@haberman.com>
  Nasca Octavian Paul <paulnasca@email.ro> or <paulnasca@yahoo.com>
  Logan Lewis <proxima@proxc.com>
  Matt Brubeck <mbrubeck@hmc.edu>
  Mark Phillips <mitb@totaldeath.com>
  Tony Oetzmann <airon@epost.de>

Icons and logo:

  Harvey Lubin <agrapha@agrapha.com>
  http://www.agrapha.com/

Aqua/MacOS graphics:

  Tom Woodhams <tom@imaginemedia.co.uk>

For changelog, see the bottom of this document

-------------------------------------------------------------

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License along with
this program (in a file called LICENSE.txt); if not, go to
http://www.gnu.org/copyleft/gpl.html or write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

-------------------------------------------------------------

Source code to this program is always available; for more
information visit our website at:

  http://audacity.sourceforge.net/

This program uses wxWindows, a cross-platform GUI toolkit.  To
compile this program, you will need to download wxWindows from:

  http://www.wxwindows.org/

To compile on Linux and other Unix systems, simply run:

  ./configure
  make
  make install

There are a few options to the configure script.  You can
see them by running "./configure --help".
  
If you want to do any development, you might want to generate
dependencies:

  make dep

Project files for VC++ on Windows and CodeWarrior for Mac
are included with the source code.  If you are having
trouble compiling on a non-Unix platform, please email
audacity-devel@lists.sourceforge.net

-------------------------------------------------------------

Known issues/problems:

* All platforms: There is no warning asking you if you want
  to save changes when you quit or close a window.

* Windows: The floating tool palette does not minimize when
  minimizing a project window.  As a workaround, you can
  just keep the tool palette docked with the project window.

* Linux: Full duplex (play one track while recording another)
  does not seem to work, even if your sound card supports it.
  This is likely a problem with the way we are using OSS.

* Linux: Sound cards that only deal with more than two
  channels are not yet supported.

-------------------------------------------------------------

Changes in 0.98:

* Effects

  - New Invert effect

  - New Reverse effect

  - Improvements to Noise Removal effect

* Bug fixes

  - You can now safely copy and paste between projects.

  - Fixed bugs loading, saving, and undoing envelopes.

  - You're not allowed to open the same project in two different
    windows anymore (it just would have caused data loss).

  - Projects now save the channel of each track, it's no longer
    forgotten

  - Better handling of case when temp directory is invalid at
    start of program

  - Doesn't overwrite a file the project was depending on anymore
    (it renames the old file).  You can now export to a file
	 with the same as the file you imported without any problems.

  - Save As... for a project doesn't destroy the old project anymore.

  - Undo information is thrown away when you close a project,
    saving disk space that had been wasted in previous versions.

  - Save As... recovers gracefully when you try to save to a
    bad location

  - Duplicate of a track with an offset now works

  - Fixed another crash in Amplify... (if no data is selected in
    one of the tracks)

  - Windows: recording/playback devices are no longer reversed
    in the preferences!

  - Windows: VST plug-ins are found no matter how Audacity is
    launched.

  - Windows: You can now import Ogg Vorbis files.

  - If recording fails, a phantom track is no longer created.

  - Changing the export format now changes the menu bar.

  - More minor bug fixes...

* Unix:

  - New OSS code, should provide better playback and record on
    almost all OSS Unix systems.

  - Preliminary support for the KDE/aRts soundserver (a compile-time
    option; must be configured to use this in place of OSS code)

  - Bug fixes to "make install" script

Changes in 0.97:

* Installation/configuration

  - New Windows installer

  - More options in the configure script on Unix

* User interface:

  - Fixed Effects menu bug that would freeze if some but
    not all tracks were selected.

  - Added Noise Removal effect (Dominic)

  - Improved click-drag zoom.

  - Support drag-and-drop to import audio files (Windows only)

  - Improved Export file dialog (asks about strange extensions)

  - Other bug fixes

* MacOS:

  - Fixed autoscrolling bug (would sometimes appear if you
    release the cursor outside the window while selecting).

* Unix:

  - Fixed Amplify bug (would sometimes freeze trying to
    open the dialog).

Changes in 0.96:

* General User Interface:

  - Added mute/solo buttons

* Importing Audio:

  - Fixed regression bug in 0.95 which caused stereo files to be imported as
    two mono tracks
    
  - Imports MP3 ID3 tags

* Exporting Audio:

  - Exporting MP3 now works, if the appropriate version of the LAME DLL is
    installed (Joshua)
  
  - Allows editing of MP3 ID3 tags with export.

* Preferences:

  - Added Audio I/O selectors on Mac (Dominic) and Windows (Joshua)

* Effects:

  - Added progress dialog support to all effects (which also allows
    effects to be cancelled)
  
  - Added support for stereo effects and effects that add or
    remove tracks, or require multiple passes.
  
  - Improved Amplify effect and fixed all known bugs (Dominic)
  
  - Improved Bass Boost effect
  
  - Added Filter effect (Dominic)
  
  - Added Phaser effect (Paul)
  
  - Added Wahwah effect (Paul)

Changes in 0.95:

* Installation/Compilation:

  - Improved configure script on unix systems (Joshua)

* General User Interface:

  - Menu items are now disabled when unavailable

  - Online help added (Dominic and Logan)

* Importing Audio:

  - Lazy import added, speeding up importing of PCM files by 2x

  - Added support for the Free libmpeg3 library on unix 
    to replace the proprietary xaudio (Joshua)

  - Importing MP3 and Ogg Vorbis files is now handled automatically
    by the Open and Import commands.

  - Fixed the Import Raw Data feature, so now you can
    import files of almost any arbitrary format (as long
    as it's uncompressed).

* Main window:

  - New track labels with a single integrated pop-up menu
    to handle all track options

  - Vertical ruler added, along with preliminary support for
    vertical zooming

  - Stereo tracks can be linked together so changes affect
    both tracks

  - Point-sample display takes over when you zoom very far in

  - Two new wave displays: a dB (logarithmic) wave display and
    a spectral pitch display (using enhanced autocorrelation)

* Preferences:

  - New spectral display preferences

  - Temp directory can be set in preferences

* Frequency display:

  - Many new frequency window enhancements, including support for
    cepstrum, autocorrelation, and enhanced autocorrelation.

* Envelope editor:

  - Envelopes are now interpolated using decibels, making
    cross-fades sound much better

* Effects:

  - Fixed a bug that caused incompatibility with many VST plug-ins.

  - Added Maximize Amplitude effect

  - Added Bass Boost effect (Paul)

* Other:

  - Improved memory management over long Undo histories

  - Many more bug fixes

Changes in 0.94:

* Preferences dialog (Joshua Haberman)

* OGG Vorbis import (Joshua Haberman)

* Silence, Insert Silence commands

* Split and Duplicate commands

* Mac OS X support

* Supports recording on Mac OS 8 and 9

* Many bug fixes

Changes in 0.93:

* Displays playback/recording position indicator

* Keeps track of some preferences

* Supports arbitrary project sample rate

* Mac: opens documents from the Finder

* Floating tool palette is now dockable
  (and docked by default)

* Fixed bugs in handling multiple open projects

* Supports recording (Windows, Linux)

* Frequency Window displays note names (i.e. C4, G#5)

* Many bug fixes for effects, including VST plug-in effects

Changes in 0.92:

* Added Frequency Plot window and improved Spectrum display

* Fixed bug in File:Open when the file to be opened was
  actually a large WAV file

Changes in 0.91:

* Uses xaudio library to import mp3 files

* Zoom menu

Changes in 0.9:

* New floating tool palette with four tools (selection,
  sliding, zooming, and envelope editing) plus play and
  stop buttons

* Playback now mixes tracks, and you can work with the
  document while listening.  The stop button works.

* Rewritten file handling functions.  The main view
  is no longer dependent on the wxWindows DocView
  classes, so we can handle files ourselves.  The
  project file format is now text-based for easy
  debugging.  Eventually it will probably move to XML.

* Improved handling of wave tracks: as before, the data
  is stored in blocks, but now, the blocks are correctly
  limited to betweek n and 2n bytes each (for some n),
  which guarantees editing operations always take the
  same amount of time, while also ensuring that projects
  don't get more fragmented over time.

* Rewritten user interface code.  The shades of gray
  are taken from the OS, and the project window has been
  redesigned to have more consistent layout across all
  platforms.

* Selecting "Open" now does the smart thing, opening a
  project if you give it a project, or importing a WAV
  file if you give it that.

* Flashing cursor indicates the current editing position

* Much improved ruler - besides looking nicer, the ruler
  now displays the selection and the cursor.

* The zoom tool centers on the cursor so you can zoom
  into wherever you are.