What is codec?

Codec means what der- dec Oder (some say what mpressor- dec The

MPEG-1 codec is used for VCDS and contains standard MP3, the most commonly used sound code. Support for MPEG-1 is incredibly high, both between computers and computers and consumer film devices. The quality is very high, though not as high as MPEG-2, and the size of the video for video are quite large. The MP3 audio standard has good compression through a series of codecs and is very popular as a sound coding solution.

MPEG-2 Jenhennibly high-quality standard used for DVD. While the MPEG-1 codec only allows progressive scanning, MPEG-2 also supports interlaction, allowing better display for its size. Although this is not the most advanced of the available video codecs, MPEG-2 is firmly rooted for its useITI as a standard for commercially available DVD.

MPEG-4 is a step per MPEG-2. It has a number of significant technical advances and better compression techniques, can handle interlaced and progressive scanning video and is widely supported. A number of popular online codecs are derived from the MPEG-4 codec. These include Divx, 3IVX and XVid. Each has minor deviations from the original MPEG-4 codec to provide them with better compression and functionality in certain situations.

Ogg Theora and Ogg Vorbis are a few video and sound codecs. They have high -quality and good compression and are completely without patent restrictions, which is a pool among many developers. Realvideo is a video codec designed specifically for streaming online. While many codecs can be streaming, Realvideo and its sister codecs Reaudio are particularly optimized for PNA streaming protocols and in real time.

There are literally hundreds of codecs used online and everyone has their own favorite for specific applications. Many programs, napWindows Media Player, has a feature integrated for automatic search and downloading the necessary codec for a movie or audio file, eliminating the user's need to actively find them. There are also a number of volumes, installation of the most common sounds of sound and video at once.