How to Convert DRM protected WMV, WMA, M4V, M4B to MP4, AVI, MP3 etc?

Although Apple has stopped issue new DRM keys for audio track on iTunes, still the videos are not DRM free. And the videos you get from Napster, Windows Media Player, Spiral Frog and Amazon etc are also DRM protected. These DRM videos have prevented people from sharing videos they get from the sites.

Fortunately, there are always some software publishers offering the DRM Removal tool to make video sharing more accessible. And Wondershare is among of them. The Wondershare DRM Media Converter can help people easily remove the DRM protection from protected videos and convert DRM protected WMV, WMA, M4V, M4B,M4P, AAC to MP4, AVI, MP3 and other common videos, so that people can share them with all kinds of digital players such as iPod, iPhone, Zune, Creative Zen, mobile phone, etc on-the-go.