For those of you who are not familiar with command-line operations, here is how to use the sox program from windows. 1. download the "sox12181" zip file from SourceForge. Unzip and extract the sox file to desktop. 2. In windows: click start-> All Programs -> Accessories -> Command Prompt. A commandline window should pop up. 3. In Command Prompt window, type: cd desktop 4. In Command Prompt window: (with the sound file you wish to convert on desktop as well), type sox secret.wav secret.dat 5. Now you should see the converted file secret.dat on your desktop.