What is a Video Codec?

A Video Codec is a device or software that compresses or decompresses a video. A codec has two parts – an encoder and a decoder. The encoder compresses the video while the decoder decompresses the compressed video.

What are the types of Video Codecs?

1. MPEG-1: MPEG-1 is used to compress videos in the production of VCDs. A video of 120 minutes can be compressed up to 1.2GB

2. MPEG-2: MPEG-2 is used to compress videos in the production of DVDs. A video of 120 minutes can be compressed up to 4-8GB.

3. MPEG-4: MPEG-4 is a new compression method. A video of 120 minutes can be compressed up to 300MB.

4. DivX: DiVX was created mainly for DVDs and supports some MPEG-4 formats.

5. XviD XviD is the free and open source version of DivX.