MATTA
Morse Code Utilitiies to convert text messages to & from sound files.
...Either sox or audacity can easily transform to this format. The wav file is expected to be international morse code, preferrably clean and properly spaced. Tonal frequency or wpm-speed does not seem to matter.
Now includes an inverse commandline app, txt2wav that creates a morse code WAV file from English text.
The proper command to extract the archive and maintain the directory structure is "7z x filename".