M4B AA M4P M4V Converter Guide
Tunebite supports converting protected WMV, M4V to MP4, WMV, converting AA, M4b, AAC, WMA, M4P to MP3, OGG or unprotected WMA. Following this guide, you can convert DRM copy-protected video and audio purchased online to unprotected formats with ease, including:

* convert protected M4V to MP4, M4V to WMV, M4V to AVI or M4V to MPEG;
* convert protected WMV to unprotected MP4, WMV;
* Record AA to MP3, WMA, OGG;
* Decrypt M4b to MP3, OGG and WMA;
* Convert M4P to MP3, WMA and OGG;
* Convert protected AAC, WMA to MP3.
1. Install and Configuration

Get Tunebite and install. Launch the software, follow the configuration wizard to set the sound card (there will be some sounds which are necessary to detect your sound system).

If you have any protected content and need to convert it to another file format, the above mentioned item and link should remedy your conversion.