TuneCable - Tutorials for TuneCable m4p to mp3, audiobook to mp3 software.
TuneCable legally copies protected music and audio book by removing DRM control and converts protected WMA, M4P, AA, M4B to plain MP3, WAV, WMA audio files.
Fully automatic, TuneCable frees you from the hassles of copy protection without defeating the DRM copy-protection technology used by your audio files. This means it will function with all copy-protection measures, and it's completely legal.
Please make sure you have authorized your computer to play those audiobook files which are going to be converted. Then launch TuneCable and follow below steps.
Click Options button in TuneCable and go to Record tab. Select MP3 format here, and set the bitrate if you like.
Click Add button in TuneCable to add audiobook files in TuneCable. You can also go to menu Recorder > Add File(s) or Add Folder...; or right click on the left source list window to add DRM-protected audiobook files.
Click Record button in top-left area of TuneCable to start recording. And you can check more options illustrated as below.

In the right window, you can find recorded music. And they are in non-protected format now. Right click on the output music, there are also multiple options. You can take various actions such as remove, play, open output folder, edit tags and add cover to books.

Select Open Folder and TuneClone will lead you to the target folder and check the MP3s converted from audio book, and now you're able to play purchased digital books anywhere. Wonderful!