A separate hint track is used to include streaming information in the file. Like most modern container formats, MPEG-4 Part 14 allows streaming over the Internet. It is most commonly used to store digital video and digital audio streams, especially those defined by MPEG, but can also be used to store other data such as subtitles and still images. The iPod touch & iPhone 3GS or iPad, iPhone 4 & Apple TV formats. MPEG-4 Part 14 or MP4, formally ISO/IEC 14496-14:2003, is a multimedia container format standard specified as a part of MPEG-4. QuickTime Player, also known as QuickTime X (pronounced QuickTime Ten).
Since stores like iTunes uses this container format, and it is used with iPod and PlayStation Portable (PSP), MP4 files have become more common. The iPod Touch will play most quicktime movies, but you cannot install quicktime on the iPod Touch. The updates to QuickTime 7.4 for Windows and Mac users are designed to. MP4 is a container format that can store video, audio and subtitle data (as well as more depending on content). Apple released the first patches for 2008 to the QuickTime media player as well as the iPhone and iPod Touch on January 15. MP4 files (MPEG-4 Part 14) are multimedia files. With QuickTime Pro, you can easily create your own video clip that you can watch on your iPhone, iPod, iPad or Apple TV.