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Video Compression

What is H.264? Frequently Asked Questions

What is H.264?

H.264 is a video compression format designed to be used in High Definition video equipment

Who developed H.264?

It was developed by a big team of video compression experts from the Moving Pictures Expert Group (MPEG) and the Video Coding Experts Group.

What are the other names for H.264?

H.264 is also known as MPEG4-Part 10 and Advanced Video Coding.

What are Examples of Equipment that Use the H.264 Video Compression?

H.264 video compression is popularly used in HDTV, Blu-ray and HD DVD. It is also used in lower resolution devices like PSP(Sony) iPod(Apple).

Why is H.264 preferred over MPEG-2 compression?

H.264 is a preferred compression format because it offers superior video quality at lower file sizes.

MPEG-2 is the Standard compression format for DVD. Though the format provides good quality video, it takes up much space.

H.264 is favorable because it takes up only about half the space to produce video of the same quality.

This is evident in digital satellite TV broadcast.

Using MPEG-2 a bit rate of 3.5 Mb/s is required to delivered the desired video quality.

With H.264 only 1.5 Mb/s is required to deliver similar quality.  Much bandwidth is saved.

What video format uses H.264?

One video format that uses H.264 compression is DivX Plus. This delivers high definition video with H.264 compression but in an MKV container.

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