FLV stands for Flash Live Video. This particular file format is used to deliver video content over the Internet to a user's computer. The .flv file format allows for high rates of file compression while retaining a superior video quality. This allows the file creators to keep the file sizes manageable and makes it easier for viewers to watch .flv videos online.
While the Flash video format was created for Adobe, the FLV file format is an open-source format that can also be used by non-Adobe applications.
Popular websites that use the .flv format are YouTube, Google Video and Reuters.com.
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