MPEG (Moving Picture Experts Group) is a working group of experts formed by ISO (International Organization for Standarization) and IEC (International Electrotechnical Commission) to set standards for audio and video compression and transmission. YouTube™, Hulu™, Google Video™, Yahoo Video™, Metacafe™, Reuters™, and many other news providers are examples of websites using Flash video format. The format has quickly established itself as the format of choice for embedded video on the web. The audio and video data within FLV files are encoded in the same way as they are within SWF files. There are two different video file formats known as Flash Video: FLV and F4V. Flash Video content may also be embedded within SWF (Shockwave Flash) files. Both the formats and their features are described below:įLV (Flash Video) is a container file format used to deliver video over the Internet using Adobe Flash Player™ versions 6-10. Each one of these formats provides certain features. Various files formats are used for video playback.