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#1
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DVD Capacity
Purchased movie DVDs can contain over one and a half hours of a movie.
Why can't I put more than a half hour of video on a DVD from my Digital 8 camcorder? |
#2
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DVD Capacity
"Murray" wrote in message ps.com... Purchased movie DVDs can contain over one and a half hours of a movie. Why can't I put more than a half hour of video on a DVD from my Digital 8 camcorder? Factory Pressed dvds are ~8gig capacity. Most DVD blanks are about half that. Also, video can be stored in different formats, and different resolutions and sample rates and compression ratios for each format. For example, a 320X240 resolution video already takes up about 1/4th the storage space of one that is 640X480 resolution. But then there is sampling rate to account for. If you shoot the 320X240 video at 15fps (frames per second), it will take up about half as much storage space as if you shot it at a normal ~30fps. If you compress the video, it can take up even LESS storage space, but there are literally hundreds of compression schemes. Each one offers different video quality, and offers finished file sizes that vary greatly. If you want more than half an hour of video on a DVD that you shot using your digital 8 camcorder, the solution might be as simple as choosing a different recording mode on your DVD recorder. For example, I have a standalone DVD recorder that defaults to "sp" recording level. At sp, it can fit one hour of video into about 2.1GB of storage space. Or, about 2 hours of video on one average sized DVD blank. But if I change the quality up to highest level, the recording capacity drops to 1 hour per dvd blank. And if I turn down the quality on the DVD recorder to "LP", the capacity of each DVD blank increases to about 4 hours. Oh, and the video quality at LP is comparable to the average VHS video recorder (remember those?) I suspect you will find that the video equipment you are using (camcorder, DVD recorder) have settings that are optimized for highest quality video. Try turning down your settings on the camcorder or the DVD recorder or both. Then make a test recording, to see if you are still happy with the video quality. You probably will be. One half hour of video in 4GB of space is overkill. So I suspect you can tweak the video quality settings quite a bit to store more video on a blank DVD, and still get acceptable results. Good luck, -Dave |
#3
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DVD Capacity
Dave wrote:
Factory Pressed dvds are ~8gig capacity. Most DVD blanks are about half that. Unless you buy dual layer blanks. Movie DVD's use dual layer. |
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