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Produce vs. Create file
Solomon [Avatar]
Newbie Joined: Feb 11, 2010 20:24 Messages: 12 Offline
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I have a project that is video at 720 X 480, and would like to burn a disc with that resolution. The video is 1:45 minutes at 23 GIGs.

A Mpeg-2 with HQ setting in Create a Disc is the only option that keeps the original resolution but it is 3 Gigs over my DVD capacity. Smart Fit cuts my resolution to 352 X 480.

When I produce with the HQ Mpeg profile, it creates a file that is just right for my DVD capacity. Without asking why this is, can I open this file into PD and add chapters and menu and then create disc with HQ Mpeg setting without further compressing the project?

Thanks much, Scott
vn800rider
Senior Contributor Location: Darwen, UK Joined: May 15, 2008 04:32 Messages: 1949 Offline
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I note you have asked around this a few times :-

The simple answer is yes you can import this file into the library, and yes you can add chapters and menus and yes you can create a disc. What PD will do with your file regards "compression", I cannot say.

You would be best advised to try it and then see whether PD does what you want. You may choose to burn to folder to save wasting a disc if that is preferable. This may also allow you to use other burning software should you wish at a later date.

From your previous posts I suspect you may be advised to research the relationship between DVD file structures and Mpeg2 and the real data capacity of discs. Here are a couple of quotes from other sources that may illustrate things:-

"Keep in mind that manufacturers quote the capacity of a writable DVD disc in decimal (base 10) rather than binary (base 2) notation so a 4.7 GB disc stores 4.7 billion bytes [4:700,000,000 bytes ÷ 1000 = 4,700,000 KB ÷ 1000 = 4,700 MB ÷ 1000 = 4.7 GB] . Expressed in binary notation (as is typical with CD-R, CD-RW and most operating systems) the same disc has a capacity of roughly 4.38 GB [4:700,000,000 bytes ÷ 1024 = 4,589,844 KB ÷ 1024 = 4,482.27 MB ÷ 1024 = 4.38 GB] ."

"True data capacity for recording is 7.95Gb the rest of the space is required for data overheads table of contents etc that the disc needs to have written to it for it to be read."

Here are a few links :-
http://forums.dvdoctor.net/showthread.php?t=1076
http://www.mpucoder.com/DVD/vobov.html
http://en.wikipedia.org/wiki/VOB
http://dvd-hq.info/bitrate_calculator.php

Given that some of your previous posts have been removed, please also note that we are all just editors, helping each other out - we have no duty to anyone, nor any links to CL. No one from CL answers any posts here. Dafydd, as moderator, moderates posts that are unsuitable, abusive or going nowhere.

Cheers
Adrian

This message was edited 1 time. Last update was at Feb 13. 2010 18:01

Life is really simple, but we insist on making it complicated. (see below)
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AMD Phenom IIX6 1055T, win10, 5 internal drives, 7 usb drives, struggling power supply.
Solomon [Avatar]
Newbie Joined: Feb 11, 2010 20:24 Messages: 12 Offline
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Yes, thank for the simple answer and the links to understanding DVD and Format relationships better.
I appreciate your time and advisements.

Scott
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