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? Backing up from two seperate DVD's.
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nitrox11
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16. November 2005 @ 01:58 |
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I sometimes put 2 different eps from 2 seperate DVD's together and burn them on 1 DVD. The two episodes are about 44 min long. So in theory both episodes should fit on a DVD+ or -R with no compression when I use DVD Shrink in the re-author mode. But I have run into in the past, a couple of times, a compression ratio of 85-87 percent, which is still an acceptable quality but I just wanted to know why there would be any compression at all on about 1hr 35min of video?
Any help would be great.
Have a great day Nitrox11
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Senior Member
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16. November 2005 @ 03:09 |
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Quote:
in theory both episodes should fit on a DVD+ or -R with no compression when I use DVD Shrink in the re-author mode.
Run/Play time has no effect on compression. File size is what determines whether or not compression is required. It really depends on how the original video files were encoded to commercial disc by the video editors at the studio on how big each episode's file size turns out.
So in theory, it's possible to have a 30 minute video require compression. Not likely but possible.
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nitrox11
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16. November 2005 @ 03:30 |
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Thank you so much zippyd, I have been racking my brain trying to figure that out.
Have a great day nitrox11
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MovieDud
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16. November 2005 @ 04:35 |
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@nitrox11, it like when you copy some older movies that are 2 hrs. 15minutes long and they require no compression compared to a movie today of 1 hr. 45 minutes that requires compression. Like zippyd said the way it was encoded, amount of bits it takes per movie, like the difference between DTS and DD, DTS takes up a lot more real estate than DD, yet I prefer DTS and know that I might have compression when if I used DD there wouldn't be any.
MovieDud
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AfterDawn Addict
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16. November 2005 @ 05:19 |
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I did an older movie that was on a single layer DVD and under two hours, and yet the compression was showing 67% and only 2 channel sound. Just did Stealth movie only and left the DD sound and there was no compression. Go figure.
This message has been edited since posting. Last time this message was edited on 16. November 2005 @ 05:20
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AfterDawn Addict
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16. November 2005 @ 05:26 |
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I'm planning on doing the older movie "Gone With The Wind" 2 disc set. It will be interesting to see how the compression comes out on that one. I am considering placing both discs on one DVD5.
Thoughts?
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AfterDawn Addict
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16. November 2005 @ 05:30 |
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It can be done, because I did Titanic which is like 3 hrs and 45 minutes and used Shrink with Max Smooth settings and it came out pretty good.
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MovieDud
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16. November 2005 @ 16:00 |
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@arniebear, I noticed the same thing with Stealth and another older movie. Stealth, with DTS, no compression...the older film Sister Act went to 65% and so I used Dvd Rebuilder Pro. Just odd how different movies and their content can be such drastic differences in compression. Have a good one my friend.
MovieDud
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