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1. What is MP4?

2. Similar to how MP3 files work by compressing audio files
without affecting the audio's quality, MP4 works the same
way, but with video files and with added complexity. The
large video files of both motion and audio is compressed
into a single and simple file. MP4 is commonly known as
MPEG-4 AVC (Advanced Video Coding). This new
technology have hopes to decrease the size of the video,
which in turns minimizes the risk of running out of space
with older computers, making it easier to work with for
the users.

3. Like stated before, the MP4 files are compressed into very
small files into an extent that quality is not affected in any
way. How the MP4 files manage to retain its quality is by
dealing with specific coding situations, reducing certain
aspects (such as temporal and spatial
redundancies), transforming and changing the motion and
intra estimation into the frequency domain, and inputting
codec.

4. The MP4 players work in a simple manner as well. Attach
the device into the computer, notebook, or TV and start
the desired video. The advantage of the MP4 technology is
that the video files are played in DVD quality at less than 1
Mbps (through a broadband connection). With a MP4
player, one can take videos through an Internet
connection and watch them immediately in perfect
quality. Lower MP versions can be played in the player,
such as audio MP3 files.

5. Disadvantages, though not many, exist through the realms
of MP4 technology. Piracy concerns in the MP3s still
continue with MP4. Licensing and piracy problems
continue and become even greater as long as MP4 gains
its popularity. Despite the small size of a MP4 file, it still
takes a while to download the file in a broadband
connection. In a nut shell, the file is generally still large,
even if it is compressed.

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