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Video Knowledge Base: FLV Files (Flash Video)

FLV stands for Flash Video, which is a container file format used to deliver video over the Internet using Adobe Flash Player versions 6–11. There are two different video file formats known as Flash Video: FLV and F4V. Both formats are supported in Adobe Flash Player. However, it should be noted that Flash Video is a proprietary file that was created by Macromedia, now under Adobe. Flash files are commonly used all over the Internet and are especially prominent on sites such as You Tube, Google Video, MySpace, etc.

Flash Video is viewable on most operating systems via the Adobe Flash Player and web browser plug-in or one of several third-party programs which make it easy for web developers to embed Flash files directly into their web site for viewing by their visitors. Apple’s iOS devices do not support the Flash Player plug-in and so require other delivery methods such as provided by the Adobe Flash Media Server, or you can convert the FLV files to the Apple iOS supported video formats such as MP4. To convert FLV to MP4, you need a reliable yet easy-to-use FLV to MP4 video converter; here we humbly introduce you the CloneDVD 7 developed by CloneDVD Studio.


FLV files are composed of a video bit stream and an audio bit stream. The video bit stream usually contain material encoded with codecs following the Sorenson Spark and t is commonly used is H.263 video standard while the audio bit stream that is found in most Flash files is encoded as MP3. What’s more, FLV files are considered to be streaming video files, which mean that you do not have to download the entire file before playing since it allows users to begin watching a video in real time and the download process is quicker than the viewing process, by the time you have completed watching the first chunk of video, more data has arrived allowing you to watch the entire video without any download lag.

In a conclusion, Flash files can be easily viewed and used by a multitude of uses, for example movies, online presentations, banner ads, Internet animations, etc. Due to its small size, Flash files can be easily downloaded and also can be viewed via broadband and dial up and even on slower, older computers. But FLV files also have a few disadvantages, such as creating flash content can be expensive and time consuming and visitors may experience longer waiting to access a web page with Flash, especially if the visitor is using a dial up connection.