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video formats

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by

joada allen

on 26 November 2012

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Transcript of video formats

AVI is for video in the beginning of a video project. .avi files are usually way too big for a finished video so it is not considered a sharing file. .avi is better used as a format in the beginning stages of video production, not for the final output. wmv: A Microsoft format. .wmv stands for Windows Media Video. .wmv files are tiny because they are highly compressed. This is one of the smallest sharing formats Any video this highly compressed looks a bit ragged, that’s just the nature of the beast. Compression is always a balance between file size and image quality. wmv are about the only type of file small enough to email so that is a huge advantage. .mov files: .mov as the file extension means the video is a Quicktime Movie file, which is an Apple software product. Quicktime movie files are very common .mov files look great, but unless you compress them an awful lot, they are still a bit big for a sharing file .flv means it is a Flash video format. This is an extremely common and popular format because it is small but still looks good. This is the most common sharing format on the web there is. Flash is slowly being replaced by HTML5 however as the online format of choice. This happened when Steve Jobs and Apple came out with the iPad and refused to make it flash compatible. If you are watching a video online, it is probably in .flv format. About 70% of all internet video is still Flash, although before the iPad, Flash was more like 98% saturation. MPEG2: MPEG 2 is the type of video file the a home DVD player will read. If you go out and rent a Hollywood Movie from Blockbuster, the DVD will contain an MPEG2 file.

MPEG2 is way too big for the web. HD video is difficult to edit with the file sizes are so huge. The higher the resolution, the bigger the file because it contains more information in order to achieve that high gorgeous resolution. MPEG 4 is today’s defacto universal standard for video files on the web. MPEG4 is a sharing format that produces tiny files that still look pretty good. Video/Media PLayer
Once you compress a video, you have to have a program that “reads” it, or basically uncompresses it to play. The program that “reads” the video is called a video player. Video players are built to read particular video file formats and not others. Compatibility
Microsoft was never anxious for you to see videos made by Apple computers, so they made their video players incapable of deciphering an Apple-made video and visa versa. AVCHD: This is an HD format for high resolution video. These files are becoming quite common as HD spreads to more consumers. AVCHD is not a sharing format, it’s for video at the beginning of a project. File Formats List as many file formats as you can Why do we have different file formats? If you are going for the best compatibility online, today the recommendation is for MPEG4. Now in work through the Interactive Media Research task to prepare you for your next assignment.
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