What is FLV/F4V Format?

February 15, 2012 / Posted by Irene on Related Technology

About FLV Format

FLV stands for Flash Video which is a container file format used for deliver video over the Internet using Adobe Flash Player versions 6—11. Flash Video content may also be embedded within SWF files. The audio and video data within FLV files are encoded in the same way as they are within SWF files. As a format designed for web video playback, it offers high rates of compression and produces high quality video. FLV is becoming more and more popular on the web since it can easily be embedded in a webpage and is supported by the main operating systems via the Adobe Flash Player and web-browser plugin. At present, FLV is the file format widely used by some famous websites, such as YouTube, Google Video, MySpace, etc.

Supported media types in FLV file format:

Video: On2 VP6, Sorenson Spark (Sorenson H.263), Screen video, H.264
Audio: MP3, ADPCM, Linear PCM, Nellymoser, Speex, AAC, G.711 (reserved for internal use)

About F4V Format

F4V is a new Flash Video file format based on the ISO base media file format and is supported starting with Flash Player 9 update 3. Compared with the traditional FLV, it owns better quality under the same situations. Thus many people regard this kind of FLV as HD FLV (High Definition FLV). Due to this feature, nowadays most of people think it a development trend for FLV file. Of course, the video-sharing web sites also accept this type of FLV to upload and download, especially YouTube. Flash Video has been accepted as the default online video format by many sites. Notable users of it include YouTube, Hulu, VEVO, Yahoo! Video, metacafe, Reuters.com, and many other news providers.

Supported media types in F4V file format:

Video: H.264
Images (still frame of video data): GIF, PNG, JPEG
Audio: AAC, HE-AAC, MP3

Related Software

Leawo Video Converter (FLV/F4V Converter): Full-featured video converting software to convert video and audio among all popular formats. So it can be regarded as a smart FLV/F4V Converter which supports to convert video to FLV/F4V as well as convert FLV/F4V to video formats of sorts, for FLV/F4V file enjoyment on any video sharing websites and media players. You can even enjoy 3D video by resorting to 3D video conversion function of the program.

Leawo DVD Ripper (DVD to FLV/F4V Converter): Versatile DVD ripping program to rip any DVDs to video formats of sorts. So it also functions as a powerful DVD to FLV/F4V Converter for you to rip DVD to FLV/F4V format that is compatible with popular video websites including YouTube, Hulu, VEVO, Yahoo! Video and more.

Related Source

AVI, WMV, ASF, MOV, H.264, MP4, VOB, VLC Player

References

How to convert mp4 to flv
How to convert avi to flv
How to convert mov to f4v

External links

http://en.wikipedia.org/wiki/FLV
http://www.adobe.com/devnet/f4v.html

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