Even though H.264 encoded video file format is divided into M4V and MP4 video format, M4V format presents to be high definition and smoothness, but it takes up space while MP4 is much more common to be applied which can be compatible with most media players without any decryption support.
It is a special type of MP4 format MP4, the full name of MPEG-4 Part 14, is a multimedia computer file format using MPEG-4. M4V is a video format used in network video-on-demand websites and mobile devices. With the DRM protection, you can't play back media files purchased or rent from iTunes Store on other devices and players but Apple's own player like iTunes, iOS devices, etc.Ĭoncerning the encoding technology, M4V format can be misunderstood as MP4 format to some extent. Typically, DRM is implemented by embedding code that prevents copying, specifies a time period in which the content can be accessed or limits the number of devices the media can be installed on. Apple designs DRM approach to prevent unauthorized redistribution of digital media and restrict the ways consumers can copy content they've purchased. Widely speaking, DRM protection applies all the multimedia files in iTunes Store. For most files downloaded from iTunes, moreover, are protected by DRM protection. Using H264 high-definition coding, compared to traditional On2 VP6, H263, Divx, etc., can achieve higher definition with a smaller volume. Its video encoding uses H264 or AVC, and audio encoding uses AAC. This format is used by iPod, iPhone and PlayStation Portable.
M4V is a standard video file format created by Apple. Most of the video files downloaded from iTunes are all protected by DRM protection and they are formatted in M4V.
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Part 4: How to Convert iTunes DRM M4V to MP4 Free Online with Zamzar?.Part 3: How to Convert iTunes DRM M4V to MP4 with TuneFab M4V Converter?.Part 2: How to Convert iTunes DRM M4V to MP4 with Leawo Prof.