This is a video converter tool.

Kigo M4V Converter for Mac is a M4V video format converter. It can convert purchased m4v videos from iTunes to QuickTime MOV, MP4, iPod, iPhone, AppleTV, or popular audio formats quickly and easily. It will maintain the original quality. M4V format is only supported by Apple devices. M4V files you purchased on Apple shop will be DRM protected. You can only play them on iTunes, iPod, iPhone, et. Even though you would have purchased the content legitimately from the iTunes you are unable to play on your favorite device, if it were Microsoft Zune or the Sony PSP. It is thus able to remove the DRM imposed on the iTunes content. This is a batch processor and thereby can save you from a lot of hassle with a bunch of files. You would be able to use drag & drop to create batch of files for conversion.

The tool works on both Intel processor and the PPC processor based Mac units. If you would like to play only the soundtrack of some of these movies, TV shows etc. this tool will help you to extract the same from the M4V content. Extracted audio can be saved in MP3 or AAC audio from M4V movies. If you have a similar need, you should give it a try in your exact workflow. If it fits, then upgrade to the full version. Other features that are useful include the usual trim, join, select audio language, select sub-title track, etc. You can have settings for tweaking video and audio and these settings could be saved into profiles. These tweaks are not for the novice of course. Interface layout and the preview player are good. This is a very good product and is a good option when you have a need for a tool like this. Go ahead and try it out in your exact work settings.