F4V files are variants of the original flash (flv) file format and is effectively a flash renamed MP4 file. It supports H.264 offering which offers much greater compression than previously. The F4V file type is based on the ISO base media file format and supports the Flash player 9 update 3. F4V files cannot be played on iOS Apple devices, however they can be played through most browsers that support Flash.
Flash developers are actively encouraging developers to move towards F4V and away from the older FLV format. There are limitations with the old FLV structure when streaming H.264 or AAC which is now overcome by the F4V file type. As F4V is based on the ISO base media file format which defines a general structure for time based multimedia files such as audio and video. This baseline is used for other container formats such as MP4 and 3GP.
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The MOV file format is most commonly associated with Apple and the QuickTime video clip. The file format was developed by Apple as was QuickTime Player, it is compatible with both the Microsoft and MacOS platforms. MOV files are capable of storing two or more tracks which can be video, audio, text, graphics or effects. This flexibility makes this file format very popular for music and video editing.
MOV files use a proprietary compression algorithm and each track that is held within the file is made up of an encoded media stream or a reference to a media stream that is located in another file - this allows the embedding of existing media. QuickTime player which was developed and created by Apple allows a user to open and play .MOV files and later version of QuickTime Player, such as QuickTime Pro allows the user to edit and export .MOV files.
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