Codecs: Difference between revisions

===MPEG-1===

MPEG-1 is a 1990 standard used to compress audio and video (AV) digital data. MPEG-1 defines a group of AV coding standards agreed upon by MPEG (Moving Picture Experts Group). MPEG-1 video is used by the Video CD format. The output quality at usual VCD bit rates is roughly that of a VCR.<br>

This includes [http://en.wikipedia.org/wiki/Video_CD VCD] and [http://en.wikipedia.org/wiki/SMPEG SMPEG] files.

===MPEG-2===

MPEG-2 (1994) is a standard used primarily to compress audio and video (AV) digital data. MPEG-2 is the designation for a group of coding standards for AV, agreed upon by MPEG (Moving Pictures Experts Group), and published as the ISO/IEC 13818 international standard. MPEG-2 is typically used to encode audio and video for broadcast signals, including direct broadcast satellite and Cable TV. MPEG-2, with some modifications, is also the coding format used by standard commercial DVD movies.<br>

This includes [http://en.wikipedia.org/wiki/SVCD SVCD] and [http://en.wikipedia.org/wiki/DVD#DVD-Video DVD] files.