SoundTouch是一个开源的音频处理库，主要实现包含变速、变调、变速同时变调等三个 功能模块，能够对媒体流实时操作，也能对音频文件操作。采用32位浮点或者16位定点，支持单声道或者双声道，采样率范围为8k~48k。项目地址：下载Download utility Executable Binaries:
- for Windows 95,98,ME,NT4,2000,XP,Vista, 7 [16-Jul-2011, 70 kibytes zip file]
- [18-Sep-2011, 29 kibytes zip file. The Mac compilation is provided in courtesy of Katja Vetter]
- SoundStretch for Linux: Some Linux distributions supply a SoundTouch package, please check your own distro package manager. Alternatively, download the source codes and build the binaries for your own computer.
Older releasesSoundStretch binaries for Win32 (Windows 95, 98, ME, NT4, 2000, XP, Vista etc)
- for Win32 [28-Dec-2009, 48 kibytes zip file]
- for Win32 [25-Jan-2009, 48 kibytes zip file]
- for Win32 [19-Mar-2006, 55 kibytes zip file]
- for Win32 [06-Feb-2005, 55 kibytes zip file]
- for Win32 [27-Dec-2004, 54 kibytes zip file]
SoundStretch binary for Apple Mac OS X and Darwin
- and [12-Feb-2009, 29 kibytes zip file]
- for Mac OS X and Darwin [10-Feb-2005, 47 kibytes tgz file]
- for Mac OS X and Darwin [20-Nov-2003, 64 kibytes tgz file]
