>>Knowledge>>MP4Speaking of MP4, we should talk about the MPEG-4 first. As a compressed multimedia container format, MPEG-4 can hold video and audio file with a smaller file size and without damaging or losing the original quality. Another major characteristic of MPEG-4 is that it can compress the elements in the video such as people and the background separately.
The MP4 format we are going to discuss here is MPEG-4 Part 14, which can also be referred to H.264/MPEG-4 AVC. The MP4 is generally used to save various videos and audio streams. Besides, it can store menus, subtitles, 3D graphics and still images as well. Generally speaking, the MP4 video format compress video/audio tracks with different codecs. For example, the video tracks are compressed by MPEG-4 or H.264 video codec and the audio tracks by AAC codec while the video and audio tracks are compressed by separate compression method. Basically, almost all fashion mobile devices and digital cameras (Canon, Nikon, Sony, etc.) shoot videos in .mp4 format.
Thanks to its good compatibility, MP4 files can be supported lots of programs (Microsoft Windows Video, Microsoft Windows Media Player, Microsoft Zune, Apple QuickTime Player, Real Network’s Real Player 10, foobar2000, Apple iTunes, etc), many popular portable devices such as iPhone, iPod, iPad, Galaxy, HTC , etc and other MP4-supported players. However, the popularity of MP4 video file doesn’t apply to other software like Adobe Premiere Pro CS3, Final Cut Pro or the hottest website like YouTube. In this case, it is quite necessary to convert MP4 to their compatible formats. Firecoresoft Video Converter is a best tool to take care of this job with surprisingly high output quality and super fast speed.
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