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- Audacity: A Free, Cross-Platform Digital Audio Editor
-
- Version 1.3.3 (beta)
- For changelog, see the bottom of this document.
-
- WWW: http://audacity.sourceforge.net/
-
- Email: audacity-help@lists.sourceforge.net
-
- "Audacity" is a registered trademark of Dominic Mazzoni.
-
- Founding Developers:
- Dominic Mazzoni
- Roger Dannenberg
-
- Lead Developers of Audacity version 1.3:
- Dominic Mazzoni
- Matt Brubeck
- James Crook
- Vaughan Johnson
- Markus Meyer
- Leland Lucius
-
- Developers:
- Joshua Haberman
- Monty Montgomery
- Shane Mueller
- Martyn Shaw
-
- Contributors:
- Lynn Allan (CleanSpeech)
- Richard Ash
- William Bland (Time Tracks)
- Roger Dannenberg
- Brian Gunlogson
- Greg Mekkes
- Abe Milde
- Paul Nasca
- Tony Oetzmann
- Augustus Saunders
- Mike Underwood
- Tom Woodhams
- Wing Yu
-
- The Audacity Logo:
- Harvey Lubin
- http://www.agrapha.com/
-
- Audacity is based on code from the following projects::
- expat
- FLAC
- LAME
- libmad
- libsndfile
- Nyquist
- Ogg Vorbis
- PortAudio
- Resample
- SoundTouch
- wxWidgets
- RTaudio
- twolame
-
- Special Thanks:
- Dave Beydler
- Jason Cohen
- Dave Fancella
- Steve Harris
- Daniel James
- Daniil Kolpakov
- Robert Leidle
- Logan Lewis
- David Luff
- Jason Pepas
- Mark Phillips
- Jonathan Ryshpan
- Patrick Shirkey
- David R. Sky
- Tuomas Suutari
- Mark Tomlinson
- David Topper
- Rudy Trubitt
- StreetIQ.com
- Verilogix, Inc.
-
- -------------------------------------------------------------
-
- 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
-
- 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/
-
- Audacity is built upon other free libraries; some of
- these libraries may have come with Audacity in the lib-src
- directory. Others you are expected to install first if
- you want Audacity to have certain capabilities. Most
- of these libraries are not distributed under the terms
- of the GPL, but rather some other free, GPL-compatible
- license. Specifically:
-
- wxWidgets: wxWindows license (based on LGPL)
- Cross-platform GUI library - must be downloaded and
- compiled separately.
-
- expat: BSD-like license.
- Provides XML parsing. Included with Audacity
-
- iAVC: LGPL
- Part of the code to the AVC Compressor effect.
- Included with Audacity.
-
- libid3tag: GPL
- Reads/writes ID3 tags in MP3 files. Optional
- separate download as part of libmad.
-
- libmad: GPL
- Decodes MP3 files. Optional separate download.
-
- libnyquist: BSD-like license.
- Functional language for manipulating audio; available
- within Audacity for effects processing.
-
- libogg: BSD-like license.
- Optional separate download, along with libvorbis.
-
- libsndfile: LGPL
- Reads and writes uncompressed PCM audio files.
- Included with Audacity.
-
- libvorbis: BSD-like license.
- Decodes and encodes Ogg Vorbis files. Optional
- separate download.
-
- SoundTouch: LGPL
- Changes tempo without changing pitch and vice versa.
- Included in audacity
-
- Twolame: LGPL
- Encodes MPEG I layer 2 audio (used in DVDs and Radio). Optional separate
- download.
-
- For more information, see the documentation inside
- each library's source code directory.
-
- -------------------------------------------------------------------------
- Additional copyright information:
- -------------------------------------------------------------------------
-
- Nyquist
-
- Copyright (c) 2000-2002, by Roger B. Dannenberg
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- Redistributions of source code must retain the above copyright notice, this
- list of conditions and the following disclaimer.
-
- Redistributions of source code must retain the copyright notice, the
- list of conditions, and the disclaimer, all three of which appear below under
- "COPYRIGHT AND LICENSE INFORMATION FOR XLISP."
-
- Redistributions in binary form must reproduce the above copyright notice, this
- list of conditions and the following disclaimer in the documentation and/or
- other materials provided with the distribution.
-
- Redistributions in binary form must reproduce the copyright notice, the
- list of conditions, and the disclaimer, all three of which appear below under
- "COPYRIGHT AND LICENSE INFORMATION FOR XLISP," in the documentation and/or
- other materials provided with the distribution.
-
- Neither the name of Roger B. Dannenberg, Carnegie Mellon University, nor the
- names of any contributors may be used to endorse or promote products derived
- from this software without specific prior written permission.
-
- COPYRIGHT AND LICENSE INFORMATION FOR XLISP (part of Nyquist):
-
- Copyright (c) 1984-2002, by David Michael Betz
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
-
- Redistributions in binary form must reproduce the above copyright notice, this
- list of conditions and the following disclaimer in the documentation and/or
- other materials provided with the distribution.
-
- Neither the name of David Michael Betz nor the names of any contributors may be
- used to endorse or promote products derived from this software without specific
- prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS" AND
- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- -------------------------------------------------------------
-
- Compilation instructions:
-
- First you must download wxWidgets 2.6.x from:
-
- http://www.wxWidgets.org/
-
- If you install the RPM, make sure you install the devel RPM
- as well, otherwise, you won't be able to compile Audacity
- from source.
-
- To compile on Linux, Mac OS X, and other Unix systems,
- simply execute these commands:
-
- ./configure
- make
- make install # as root
-
- To see compile-time options you can set, you can type
- "./configure --help".
-
- If you want to do any development, you might want to generate
- a configure cache and header dependencies:
-
- ./configure -C
- make dep
-
- To compile on Windows using MSVC++, please follow the
- instructions found in compile.txt in the "win" subdirectory.
-
- For more information on compilation (CodeWarrior for Mac is
- also supported) please email audacity-help@lists.sourceforge.net
-
- -------------------------------------------------------------
-
- Known issues/problems:
-
- * Audacity can import and display MIDI files, but they cannot be played
- or edited.
-
- * Recording in Mono in full duplex (play existing tracks while recording) on
- some Linux systems causes the recording to sound slowed-down. This is due
- to a bug in the ALSA OSS emulation, and can be worked around be recording
- in Stereo
-
- * MacOS X only: Some users find that after running Audacity other media
- players don't produce any sound or crash. Audacity tries to select the best
- quality settings your system is capable of, to give the best recordings
- possible. Some sound drivers also retain these settings as defaults for
- other applications, which can cause these symptoms
-
- To get round this, enable the option "Do not modify audio device settings"
- on the Audio I/O tab of the preferences, and make sure that your sound
- device is set up (in the Apple Sound and Midi Setup utility) to work in
- stereo, 16bits, with a sample rate of 44100Hz or 48000Hz. See also
- http://docs.info.apple.com/article.html?artnum=300832
-
- * Windows only: Audacity is incompatible with some professional
- sound cards and may crash if one of these cards is the default
- when you open Audacity. As a workaround, make a different
- sound card your default when using Audacity, but please let
- us know if this affects you so that we can track down and
- solve the problem.
-
- Also note that the Windows installer will not replace 1.2.x installations,
- but will install alongside them.
-
- -------------------------------------------------------------
-
- 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
-
- Changes in 1.3.1 and 1.3.2:
-
- o Improved accessibility for the visually impaired
- + Improvements for screen readers, accessibility of
- tracks, and hot keys
- o Usability improvements
- + New selection bar
- + New features for label tracks
- + Improved toolbar docking flexibility
- + Menu renaming and reorganization
- + Selection, ruler, and playback control improvements
- o Auto-save and automatic crash recovery
- o Many bug fixes and stability improvements
- o Major improvements to some built-in effects (Repair, Equalization)
- and fixes to others
- o New features and bug fixes for Nyquist
- o Restructured Preferences dialog
- o Improved batch processing
- o File format export improvements
- o Timer recording
- o Intel Mac support
-
- Changes in 1.3.0:
-
- New features
- The new features in Audacity 1.3 have been grouped into the
- following six major categories.
-
- 1. Collapse/Expand Tracks
- In Audacity 1.3, every track has an upward-pointing triangle at
- the bottom of the label area on the left side of the track.
-
- 2. Multiple clips per track
- In Audacity 1.2, there is one audio 'clip' per track. There is
- no easy way to time-shift part of a track without moving the
- rest. In Audacity 1.3, you can split a single track into multiple
- clips. You can move these clips around between different tracks,
- making it easy to construct complex compositions out of hundreds
- of smaller audio samples.
-
- 3. Selection Bar
- In Audacity 1.2, the current selection is contained in a
- status bar at the bottom of the window. In Audacity 1.3,
- this is replaced by a fully functional Selection Bar, which
- displays and controls the current selection (your choice of
- Start and End, or Start and Length), and the current audio
- position. The selection bar is fully editable - just click
- in any field and type to change the current selection precisely.
- In addition, many formatting options allow you to view times in
- different units, such as samples, CD frames, or NTSC video frames.
-
- 4. Improved Label Tracks
- Label Tracks are Audacity's way for you to create markings 3
- and annotations within your project. In Audacity 1.3, Label
- Tracks are much improved, with support for overlapping labels,
- and support for modifying both the left and right edge of the
- label region just by clicking and dragging.
-
- 5. QuickTime and Audio Units on Mac OS X
- On Mac OS X, Audacity can now import and audio file supported
- by Apple's QuickTime technology. This includes .MOV and .MP4
- (AAC) files. Unfortunately encrypted audio files (such as
- those from the iTunes Music Store) cannot be imported directly
- into Audacity - Apple does not allow this to be done easily
- because it would be too easy to circumvent the encryption this way.
-
- Also on Mac OS X, Audacity now supports Audio Unit plug-ins.
- Audacity searches for Audio Units in the usual location, in the
- system or user's Library folder.
-
- 6. Other features
- Better performance with large projects
-
- Project integrity check on open
-
- Transcription toolbar
-
- Upload
-
- Batch
-
- Cut lines
-
- CleanSpeech
-
-
- Changes in 1.2.4:
-
- * 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.)
-
- * The "View History" window can now discard old undo levels to save disk
- space on Windows. (This previously worked only on Linux and Mac.)
-
- * "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).
-
- Changes in 1.2.3:
-
- * Fixed a bug that caused recording to stop or display incorrectly
- after about 50 minutes on some Windows systems. (This was partly
- fixed in Audacity 1.2.2, but still didn't work on some systems.)
-
- * The Change Pitch and Change Tempo effects have been upgraded to
- use a new version of the SoundTouch library by Olli Parviainen,
- with better speed and higher quality.
-
- * libsndfile has been upgraded to version 1.0.11.
-
- * Fixed a bug that caused the program to run slowly when using the
- Envelope tool.
-
- * Shift-clicking on a mute or solo button now un-mutes (or un-solos)
- all other tracks.
-
- * Nyquist plug-ins can now accept strings as input. Also, a "Debug"
- button has been added to Nyquist effect dialogs, which allows you
- to see all of the output produced by Nyquist, for aid in debugging.
-
- * When the audio file referenced ("aliased") by an Audacity project is
- missing, Audacity will now always play silence. Before, Audacity
- would sometimes repeat the most recent audio that was played previously.
-
- * VU Meters will now always reset when audio I/O has stopped.
-
- * Fixed a major Mac-only bug that was causing Audacity to crash at seemingly
- random times, but especially during audio playback and recording.
-
- * New or updated translations: Italian (it), Hungarian (hu),
- Ukrainian (uk), Spanish (es). Polish (pl), Simplified Chinese (zh),
- Norsk-Bokmal (nb), French (fr).
-
- Changes in 1.2.2:
-
- * VU Meters added for both playback and recording. Click on
- the recording meter to monitor the input without recording.
-
- * Export Multiple - new feature that lets you export multiple
- files at once, either by track, or split based on labels.
-
- * Attempt to automatically correct latency in full-duplex recordings.
- (This does not work perfectly, and is not yet supported on all
- systems. It will improve in future versions.)
-
- * Fixed a serious bug that could cause data loss when you save and
- then reload and re-edit an Audacity project containing repeated
- or duplicate data.
-
- * MP3 tags dialog will only pop up the first time you export as
- MP3; after that it will not pop up again as long as you have
- filled in at least one tag.
-
- * You can now add a label at the current playback position - in
- the Project menu, with a shortcut of Ctrl+M.
-
- * Clicking on a label now selects all of the tracks, making it
- easier to use the label track to recall selections.
-
- * Windows: Fixed a crash in the Time Track "Set Rate" command.
-
- * Fixed a bug that caused problems with recordings over 45 minutes
- on some Windows systems.
-
- * Mac OS X: Improved support for the Griffin iMic by fixing a bug
- that was causing it to always record in mono instead of stereo.
-
- * Added support for Software Playthrough (listen to what you're
- recording while recording it, or while monitoring using a VU
- meter) - this makes it possible, for example, to record using one
- audio device while listening to it play through a separate device.
-
- * Unix/Linux: Fixed freeze caused by captured mouse when audio
- device hangs. (Audacity may not respond, but it will no longer
- freeze all of X.)
-
- * Fixed a cosmetic bug that caused improper waveform display if
- you tried to open an Audacity project saved on a different
- platform (e.g., copying a project from a Mac to a PC).
-
- * Fixed bug that could cause instability when pasting, splitting,
- or duplicating a label track.
-
- * You can now change the font of a label track by choosing "Font..."
- from the label track's pop-up menu.
-
- * Basic printing support has been added. Currently it scales the
- entire project to fit exactly on one page. Try printing in
- landscape orientation for best results.
-
- * Mac OS X and Windows: Audacity ships with a newer version (1.0.1)
- of the Ogg Vorbis encoder. Vorbis compression will now have higher
- quality and smaller file sizes.
-
- * Fix a bug that occasionally caused crashes when applying effects
- to split tracks.
-
- * Zoom In / Zoom Out now properly disable when they're not available.
-
- * Fixed disk memory leak in Preview
-
- * Other minor bug fixes and performance improvements.
-
- Changes in 1.2.1:
-
- * The following translations have been added or updated: Finnish,
- French, Hungarian, Italian, Japanese, Norwegian, Polish, Russian.
-
- * Fix a bug that could cause data to be lost when pasting audio
- from one project into another, after the first project has been
- saved and closed.
-
- * Fix a possible crash when opening or resizing the Equalization
- window, especially when using large system fonts.
-
- * Don't allow percentages less than -100% in Change Pitch/Speed/Tempo
- effects (fixes a possible crash).
-
- * Fix a crash when the temporary directory is not available on startup.
-
- * Correctly load ID3 tags saved in Audacity project files.
-
- * On Linux and OS X, store lockfiles in the temp directory instead of
- the user's home directory. This fixes problems in lab environments
- where users have restricted or network-mounted home directories.
-
- * Fix a bug that prevented Nyquist effects from running when certain
- regional settings were activated.
-
- * Fix a bug in the Quick Mix command that could cause old temporary
- files to not be deleted.
-
- * Linux: Fix endianness problems in playback on PowerPC.
-
- * Linux: Fix compilation problem in Nyquist on MIPS.
-
- * Linux: Include a more recent PortAudio v19 snapshot (fixes compilation
- problems when building with the --with-portaudio=v19 option).
-
- * Two new Nyquist plug-ins: "Cross Fade In" and "Cross Fade Out."
-
- * Other minor bug-fixes.
-
- Changes in 1.2.0:
-
- * New cross-fade effects.
-
- * Fix problem where samples were drawn in the wrong position
- when zoomed all the way in. This caused the drawing tool
- to move a different sample than the one under the cursor.
-
- * Don't use id3v2.4 tags, which are not yet supported by
- most players. (This was fixed in 1.2.0-pre2, but appeared
- again by accident in 1.2.0-pre3.)
-
- * Correctly display translated messages in the status bar.
-
- * When the cursor is on-screen, the Zoom In button now zooms
- to the area around the cursor.
-
- * Mac OS X: Fixed audio problems on the Apple PowerMac G5.
-
- * Linux/ALSA: Work around a bug in ALSA's OSS emulation that
- caused Audacity's playback cursor to move too quickly.
-
- * Microsoft Windows: The Audacity source code should now
- compile out of the box on Windows.
-
- * Many new/updated translations.
-
- Changes in 1.2.0-pre4:
-
- * Fixed problems that could occur when importing certain
- non-seekable PCM audio files, such as GSM610.
-
- * Fixed bug that was causing the samples to shift off-screen
- horizonally when zoomed in very far and the track had a
- time-shift offset.
-
- * Fixed bugs in the new resampler that added noise to resampled
- audio on some systems. If you experienced noise when exporting
- to a WAV, MP3 or OGG file you may have been bitten by this bug.
-
- * Fixed bug that led to occasional crashes when using the
- time-shift tool in conjunction with high zoom factors.
-
- * Dithering is now only applied on export when it is really
- necessary (e.g. when converting float samples to 16-bit).
-
- * Files that only contain mono tracks are now automatically
- exported to stereo files when they contain tracks which are
- panned to the left or the right.
-
- * The Delete key can now be used to delete the current selection,
- in addition to the Backspace key.
-
- * Fixed bug where Audacity didn't ask whether to save
- changes if you close the project or exit while recording.
-
- * Mac OS X: Supports Playthrough (listen to what you're recording
- while recording it) if your hardware device supports it.
-
- * Mac OS X: Audacity is now a package (you can right-click on
- Audacity.app and select 'Show Package Contents'). Launch time
- has improved significantly.
-
- * MS Windows: Fixed problem that caused Windows XP to use
- the short name of a file ("TESTFI~1.AUP"), which led to
- problems when the file was later opened again using the
- long file name.
-
- * MS Windows: Fixed bug that caused file exports to fail
- if the destination directory was the root folder of a
- Windows drive.
-
- * MS Windows: Audacity's application information which
- is written to the Windows registry now always contains
- the full path to the executable.
-
- * MS Windows: Fixed problems in trying to set the Windows
- registry as non-admin user, for file-type associations.
-
- * Make sure the "Save" command is enabled after changing
- gain and pan sliders.
-
- * Updated translations. Added translator credits to the
- "About" window in localized versions.
-
- Changes in 1.2.0-pre3:
-
- * Fixed bug where Export is grayed out when nothing is
- selected.
-
- * Fixed crash caused by opening Audacity on a computer with
- a high-end sound card with no mixer support.
-
- * Fixed crash in Import Raw.
-
- * Fixed New Stereo Track.
-
- * Cosmetic fixes for Mac OS X.
-
- * Support for the VST Enabler on Windows added.
-
- * Fixed crash if you close Audacity while the Preferences
- dialog is open.
-
- * Fixed duplicate-character bug in Mac OS X Label Tracks.
-
- * The recording level control on Linux now adjusts the IGAIN,
- rather than the playthrough level of the recording source.
-
- * Fixed bug that caused corruption to 16-bit stereo recordings.
-
- * Fixed bug that caused data loss if you deleted all tracks in
- a saved project and then open a new file into the same window.
-
- * Added support for alternate audio button order (in Interface
- preferences)
-
- * Added preliminary support for wxX11
-
- * Added fully transparent Windows XP icon
-
- * Fixed crash if you try to record (or play) and no audio
- devices exist, or if the audio device doesn't support the
- mode you selected.
-
- * Audacity no longer sets the process priority to high while
- recording on Windows. Users can still do this manually
- using the Task Manager.
-
- * Fixed bug that caused last ~100 ms of the selection to get
- cut off on Windows.
-
- * Fixed FFT Filter and Equalization effects dialogs.
-
- * Fixed bugs in Unix build system (DESTDIR in locale directory,
- choosing libsamplerate instead of libresample)
-
- * Support for LADSPA plug-ins on Windows added, and
- three open source LADSPA plug-ins ported to Windows
- (GVerb reverb, SC4 compressor, and Hard Limiter)
-
- Changes in 1.2.0-pre2:
-
- * Online help completed. The full manual is nearly complete
- and will be posted to the website for online browsing shortly.
-
- * Audacity will no longer let you do unsafe editing operations
- while playing or recording. This eliminates many potential
- crashes.
-
- * Fixed ability to cancel Quit button.
-
- * New resampling library, with no restrictions on the maximum or
- minimum rate of resampling.
-
- * Audacity now supports LADSPA plug-ins on all platforms, and
- supports VST plug-ins through an optional LADSPA plug-in
- called the "VST Enabler", which you can download separately.
- Because of licensing issues, Audacity cannot be distributed
- with VST support built-in.
-
- * Mac OS X keyboard shortcut problems have been fixed.
-
- * Mac OS X audio muting problems have been fixed.
-
- * Mac OS X playback/recording cursor sync problems have been fixed.
-
- * Silence now displays a straight line again, instead of nothing.
-
- * Added a vertical ruler to the Waveform dB display.
-
- * Fixed crash in Change Pitch.
-
- * You can now Paste if nothing is selected.
-
- * Canceling an Import operation doesn't cause an extra error
- dialog to appear.
-
- * Audacity now handles filenames with international characters
- correctly.
-
- * Now outputs ID3v2.3 tags (instead of ID3v2.4), to be
- compatible with more MP3 players.
-
- * Minor improvements to build system on Unix systems.
-
- New features in Audacity 1.2:
- * User Interface
- - Vertical zooming of tracks.
- - Improved look and placement of toolbars.
- - New custom mouse cursors.
- - Complete implementation of editable keyboard shortcuts.
- - Find zero-crossings.
- - Mouse wheel can be used to zoom in and out.
- - Multi-Tool mode.
- - Amplify using envelope.
- - Labels can store selections (like Audacity 1.0.0).
-
- * Effects
- - Repeat Last Effect command
- - Improved VST plug-in support
- - Most effects now have a Preview button
- - Compressor (Dynamic Range Compressor)
- - Change Pitch (without changing tempo)
- - Change Tempo (without changing pitch)
- - Change Speed (changing both pitch and tempo)
- - Repeat (useful for creating loops)
- - Normalize (adjust volume and DC bias)
-
- * Audio I/O
- - 1-second preview command.
- - Looped play.
-
- * File I/O
- - Audacity 1.2.0 opens project files from all previous versions
- of Audacity from 0.98 through 1.1.3.
- - Open multiple files from the same dialog.
- - Use a text file to specify a list of audio files to open with offsets.
-
- * Updated user manual
-
- * Bug fixes
- - Project files with special characters are no longer invalid.
- - "Scratchy" noises caused by bad clipping are fixed.
- - Audacity no longer exports invalid Ogg files, and does not cut off the
- last few seconds of exported Ogg files.
- - Mono MP3 files now export at the correct speed.
- - Many incorrect results from the Envelope tool have been fixed.
- - The "Export Labels" command now overwrites existing files correctly.
- - The "Plot Spectrum" window displays the correct octave numbers for
- notes.
- - Several memory leaks are fixed.
-
- New features in Audacity 1.1.3:
- * User Interface
- - New Mixer toolbar allows you to control the output
- volume, input volume, and input source directly
- from Audacity.
- - Every track now has its own gain and pan controls.
-
- * File I/O
- - Uses improved project file format. (Unfortunately reading
- previous formats, including 1.1.1, is not supported.)
- - Block files (stored in Audacity project directories) now
- use the standard AU format. Though some Audacity
- meta-information is in these files, they can now be
- read by many other popular audio programs as well.
- - Fixed some bugs relating to reading/writing audio
- files with more than 16 bits per sample.
- - Import RAW is functional again, with a simpler GUI
- but support for far more file formats. The
- autodetection algorithms are much more accurate than
- in 1.0.
-
- * Audio I/O
- - Completely rewritten audio I/O, with lower latency
- and minimal chance of buffer underruns while
- recording.
-
- * Resampling
- - Using high quality resampling algorithms, with the
- option of better quality for mixing than for real-time
- playback
-
- - Preliminary support for Time Tracks, for changing
- playback speed over time.
-
- * Many more bug fixes and new features
-
- New features in Audacity 1.1.2:
- * User Interface
- - Fixed bug in Windows version, for track menu commands
- "Name..." and "Split Stereo Track"/"Make Stereo Track".
- * Effects
- - Nyquist support on Windows (supports plug-ins written
- in Nyquist, an interpreted functional language based
- on Lisp).
-
- New features in Audacity 1.1.1:
-
- * User Interface
- - Tooltips appear in Statusbar.
- - Vertical cursor follows play/record
- - Pause button
- - Drawing tool (with three different modes)
- - Vertical Resizing of stereo tracks is more fun.
- - Adjust selection by click-dragging selection boundary
- - Toolbar button context-sensitive enabling/disabling
- - Better zooming functionality (centers region)
- - Multiple ways to display the cursor position and selection
- - Snap-to selection mode
- - Drag tracks up and down
- - Align and group align functions
- - Cursor save/restore
- - Working history window
- * Effects
- - Effects broken down into three menus: Generate, Effect, and
- Analyze
- - Generate menu lets you generate silence, noise, or a tone
- - Nyquist support (supports plug-ins written in Nyquist,
- an interpreted functional language based on Lisp)
- * Localization
- - Improved localization support
- - More languages available
- - Language selection dialog on startup
- * Mac OS X
- - Support for more audio hardware
- - Support for full-duplex (play while recording)
- - Support for MP3 exporting using LameLib Carbon
- * Unix
- - Audacity now has a man page (it describes command-line
- options and how to set the search path)
- * File Formats
- - Uses libsndfile 1.0, which fixes some bugs and
- improves performance
- * Searching for Files:
- - On Windows and Mac OS, Audacity now looks for
- translations in the "Languages" folder and all plug-ins
- in the "Plug-ins" folder, relative to the program.
- - On Unix, Audacity looks for translations in
- <prefix>/share/locale and looks for everything else
- in <prefix>/share/audacity and also in any paths in
- the AUDACITY_PATH environment variable
-
- New features in Audacity 1.1.0:
-
- * Core audio processing:
- - Support for 24-bit and 32-bit sample formats
- - Automatic real-time resampling (using linear
- interpolation)
- * Effects:
- - Support LADSPA plugins on Linux / Unix
- * File formats:
- - New XML-based Audacity project format
- - Full Ogg Vorbis support now (importing and exporting)
- - Export to any command-line programs on Unix
- - Support for reading and writing many more types of
- uncompressed audio files, including ADPCM WAV files.
- * Toolbars
- - New toolbar drawing code; automatically adopts your
- operating system's colors
- - New toolbar buttons (Skip to Start, Skip to End)
- - New Edit toolbar
- - Toolbar buttons disable when they're not available
- * User Interface
- - Fully customizable keyboard commands
- - Autoscroll while playing or recording
- - New Ruler, used in main view and in
- FFT Filter effect
- - The waveform now displays the average value in a lighter
- color inside the peak values
- * Localization
- - Audacity can now be localized to different foreign
- languages.
-
- New libraries in Audacity 1.1:
-
- * libmad for fast MP3 importing
- * libid3tag for editing MP3 file information
- * libsndfile to read and write more audio file formats
- * PortAudio for cross-platform audio playing and recording
-