Desktop video is analogous to desktop publishing, commonly abbreviated DTP. Before DTP, if you remember, typesetting and publishing were expensive activities. To produce a professional piece of work you had to go to a typesetter who would mangle all your words and spelling then lay your thoughts and ideas out in a standard typeface in a plain unchallenging layout. Want to add photographs? Then dig deep because it is going to cost you dear. If you go to your attic and pull out a magazine, or better still a club newsletter, dating back more than twelve years or so you will see that it is dull, dull, dull compared to virtually anything available today. What made the difference was the good old Apple Macintosh computer and PageMaker DTP software. From that beginning, many things followed, the most important of which being access to technology and more affordable leverage into the means of distribution. Give creative people the opportunity and there is no telling where it is going to lead. It has to be said that the early days of DTP offered just as many opportunities to even more people who had absolutely not one ounce of creativity and the flourishing of outstanding new work in the print media was accompanied in the flourishing of much greater quantities of material fit only for landfill, visually at least. A future archeologists dream perhaps.
Apple have never forgotten the source for their early success and, seeking to invigorate further their current revival, realized that affordable technology was getting to the point where desktop video was becoming a possibility. There were certain necessary components:
On the publishing side of the equation the requirement was for a means of distribution with the following attributes:
Looking at these in turn, affordable camcorders are available in the form of the wonderful DV - you dont even need DVCPRO or DVCAM to be creative. Early DV camcorders lacked appropriate inputs and outputs but current models are often equipped with digital I/O. Curiously, European Union tax regulations have prompted manufacturers to disable the input on many models. It is apparently possible to re-enable them on some models, but this is certainly a point to watch. DV is a compressed format with a data rate of roughly 25Mbits/s. This is a perfect combination because fast modern computers are perfectly capable of handling this data bandwidth, and the storage requirement works out at roughly 5 minutes per Gigabyte. With drives of 18, 36, 50Gbyte and even larger, long form production is perfectly feasible. The interface is of course Apples Firewire, also known by Sony as I-Link. Firewire is a cheap enough technology to put it on high end consumer equipment, and as a multi-purpose interface it can be used for plenty of things other than video.
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