MPEG-1  is a standard for lossy compression of video and audio. It is designed to compress VHS-quality raw digital video and CD audio down to 1.5 Mbit/s (26:1 and 6:1 compression ratios respectively) without excessive quality loss, making Video CDs, digital cable/satellite TV and digital audio broadcasting (DAB) possible.
 MPEG-2 – DVD  This is the home page of the Moving Picture Experts Group (MPEG) a working group of ISO/IEC in charge of the development of standards for coded representation of digital audio and video and related data. Established in 1988, the group produces standards that help the industry offer end users an ever more enjoyable digital media experience.
 MPEG-2 – Blu-Ray  MPEG-2 – enhanced for HD, also used for playback of DVDs and HDTV recordings.
 Adobe Flash Video  is a container file format used to deliver video over the Internet using Adobe Flash Player (initially produced by Macromedia) versions 6–10. Flash Video content may also be embedded within SWF files. There are two different video file formats defined by Adobe Systems and supported in Adobe Flash Player: FLV and F4V. The audio and video data within FLV files are encoded in the same way as they are within SWF files.
 h.264  is a standard for video compression..264/AVC is the latest block-oriented motion-compensation-based codec standard developed by the ITU-T Video Coding Experts Group (VCEG) together with the ISO/IEC Moving Picture Experts Group (MPEG), and it was the product of a partnership effort known as the Joint Video Team (JVT).
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