Expose What is MP4 and How It Works

Most of time, you find yourself like to watch MP4 videos on iPhone, iPod, PSP or other players. But what is MP4 format, how MP4 files works and how can we make use of it. Firstly, let`s figure out what MP4 is.

What is MP4, MP4 format and MP4 files?

MP4, a shortened name for MPEG-4 Part 14, is a multimedia container format standard specified as a part of MPEG-4. It is most commonly used to store digital video and digital audio streams, as well as other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet. The official filename extension for MPEG-4 Part 14 files is MP4, thus the container format is often referred to simply as MP4.

Since MP4 is getting more and more popular, it is quite common to people who use the latest iPod, iPhone and PSP. And it is a special kind of MP4, named H.264/AVC. Ratified as part of the MPEG-4 standard (MPEG-4 Part 10), H.264 delivers stunning quality at remarkably low data rates.

How MP4 technology works?

MP4 technology works by compressing the files. The way these videos are compressed into very small files without affecting the quality is through dealing with specific coding issues, minimizing certain aspects, such temporal and spatial redundancies, transforming motion estimation and intra estimation into the frequency domain, and generally through compression and decompression, commonly referred to as codec.

How to make use of MP4 file?

Since it was published in 1998, it is now gaining ever more popularity in the mainstream market. So how can we make use of MP4?

There are many ways we can enjoy the benefits of MP4. First, as an online consumer, you can enjoy all sorts of movie clips, professional and amateur, thanks to the use of this format. You can also often save these clips to your hard drive, and share them with others via email. Some sites that make use of this streaming application also make it possible for you to send a copy of the movie short through email and directly to a friend or acquaintance.
When it comes to business applications, the use of MP4 makes it possible to hand presentations on the web site that discuss various goods and services offered by the company. The format can be used to dress up presentations for prospective clients, as well as a tool in advertising and product promotion.

Whether you use it for fun or as a business tool, MP4 is a versatile format.