large files, need help.

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herewearedr

large files, need help.

Post by herewearedr »

i just recently got Ulead VS11+ and i've been working on a video presentation thats lasts around three and a half minutes. when i go to export it or share it as an mpeg or avi file i end up with some alarmingly large file - ranging between 200mb and 7gb.

can someone please help me to understand how to get it somewhere under 20mb without losing too much quality?
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jparnold
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Post by jparnold »

AVI files are approximately 1Gb per 5 minutes.
DVD (Mpeg2) files are around 1Gb per 15 minutes (depending on bitrate used) and good quality.
DVD rendered video should be playable on any PC.
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Post by Ken Berry »

Just to slightly correct that, DV/AVI is about 1 GB per 5 minutes. Uncompressed AVI is about 1 GB per minute!! :!: :roll:

It depends on exactly what equipment will be involved in your presentation, but you burn it to CD as a VCD which uses smaller (but lower quality) mpeg-1 format. Or you could use one of the more highly compressed but high quality mpeg-4 formats like DivX (which will fit more than an hour of high quality video on to a CD). But anything you play it back on has to be rated to play a DivX disc.

Or you could use the Windows Media Format .wmf which is also highly compressed but good quality.

If you intended to play the video back over a projector connected to a computer, either of the latter two could be used direct from the computer.

But all this begs the question of why you are worrying about file size if it's a presentation of that length. Certainly you don't need something as large as 7GB, but I would not have thought 200 MB would be a worry as it would easily burn to CD and would hardly touch the sides of a DVD.

But is the presentation to be posted on the web?
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