Source: http://www.drmare.com/convert-itunes-video/extract-audio-from-itunes-m4v.html iTunes movies are combined with FairPlay DRM(Digital Rights Managemet) Protection, making it difficult to edit. Check this article on how to use a third party software DRmare M4V Converter to remove DRM and extract the audio M4A from iTunes videos. It supports to <br />extract M4A, MP3, AAC, AC3, OGG, WAV, WMA, AIFF, ALAC, FLAC, M4R, M4B etc.
