Audacity是一款易于使用、多语言的音频编辑器和录音器，它是自由软件(开放源码)，可运行在Windows、Mac OS X、GNU/Linux及其它操作系统上。
Audacity 的主要功能：
1.多语用户界面（切换时必须重新打开）2.导入与导出 WAV、MP3、Ogg Vorbis或者其他的声音文件格式
3.支持MP4、MOV、WMA、M4A 、AC3档。
4.录音与放音
5.对声音做剪切、复制、粘贴（可撤消无限次数）
6.多音轨混音
7.数字效果与插件
8.波封编辑
9.杂音消除
10.支持多声道模式，采样率最高可至96 kHz，每个取样点可以以24 bits表示
11.支持Nyquist编程语言，让您自行撰写效果器
12.对声音档进行切割
6.还有更多! 参见完整的特性列表
Audacity 2.0.1 RC2 更新内容：
1. Licensing
2. Changes since version 2.0.0
3. Known Issues at Release
4. Source Code, Libraries and Additional Copyright Information
5. Compilation Instructions
6. Previous Changes going back to version 1.1.0
其中 Licensing：
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. The program source code is also freely
available as per Section 4 of this README.
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/licenses/old-licenses/gpl-2.0.html or write to
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307 USA
支持运行环境：Windows XP/Vista/Win7/Win8
Audacity 2.0.1 RC2 绿色版 官方下载：
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