mov file may in fact include a video file which has been encoded as a divx, meaning it will only play if you have the divx codec installed. mpeg allowĪllow you to combine different multimedia streams (most of the time audio and video) into one single file. And when you play a video file encoded with a certain codec, you need to have that codec installed on your computer to allow it to decompress and playback properly. To understand container formats, we need to understand ‘codecs’.Ī codec ( think COmpression / DECompression ) is software used to compress large data signals into small spaces with minimal perceived loss of information ( eg mp3, sorenson, cinepak, divX ).

Further complicating matters is that the ‘mp4’ format is also a ‘container’ or ‘wrapper’ format – meaning it can be used to combine different multimedia streams (mostly audio and video) into one single file. However, while most video players can play the standardised video format of ‘mp4’, not everybody uses mp4 yet and not everybody is interested in maintaining open standards. Most audio players across many platforms can play the standardised audio format of ‘mp3’. doc ) the receiver needs the same software as you to be able to read it), the Flip4mac software is one small step in a good direction and improves the situation greatly for mac video users, by allowing window media files to become viewable, editable and exportable within quicktime. If you attach any other kind of text files ( eg.

Videomakers everywhere are still being wounded by return emails saying “Your video wouldn’t work on my computer.” While these problems are not about to disappear anytime soon ( We are still having trouble with mere text in the 21st century –. Why else would Bart Simpson be now filling inboxes worldwide, naked and straddling a fellow yellow cartoon character, exclaiming “I have bought those pills and now I am a real sex king”? Software too, can be vulnerable to performance issues, and benefit from the assistance of some add-on or helper apps.ĭespite the volume of video being published and traded online having ballooned massively in recent years, there still remains several incompatibility and format issues.

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