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afterdawn.com > forums > archived forums > divx / xvid > dvd encoded(divx6) or shrink(35/40%)
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DVD encoded(divX6) or shrink(35/40%)
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omadawn
Newbie
_ 		14. February 2007 @ 00:45 _ Link to this message    Send private message to this user   
Hi
anyone tryed to encode a long DVD (dixX 5/6) to a size of a blank one (4463mb) and compare the quality of the image of the same DVD compressed 35/40% in DVDshrink (lets say 7/8 Mbps became 4/5 Mbps) ?

does it make any sense?

thanks
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celtic_d
AfterDawn Addict
_ 		14. February 2007 @ 11:53 _ Link to this message    Send private message to this user   
I re-encoded the LOTR extended versions to 2 * 2GB's Xvid/AC3 avi's (originally anamorphic resolution) each with the extra audio streams as -V 4/5 lame mp3. I would hate to think what they would look like transcoded to a single DVD5.

ASP MPEG-4 is simply more efficient than MPEG-2.
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omadawn
Newbie
_ 		15. February 2007 @ 03:31 _ Link to this message    Send private message to this user   
Made my experience, this time with Gknot (DivX 5): output file size: 4463 Mb, after compression test the bits/pixel/frame lead me to choose the res. of 1280x720. the AVI came out perfectly ok.

As i use a video projector to display a huge screen, i guess i will allways have advantage in using this resolution?...

I have seen the movie (from my VGA output of the PC) in a much larger screen than i usualy do with a 720x400 one, and the quality seem to be very similar...the only problem is my standalone not be able to display the higher resolution. What do u guys think of this?
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celtic_d
AfterDawn Addict
_ 		15. February 2007 @ 11:33 _ Link to this message    Send private message to this user   
The only advantage to upsizing is that you get to pick the resize algorithm used. If you are using a PC for playback though and it is powerful enough, you can use FFDShow.

Personally I would suggest not resizing at all if possible. Encode at the original resolution. For a normal movie though you probably won't be able to hit 4.37GB's, esp. with DivX 5 since it only supports h263 quants.

Not resizing means that the resolution will be supported by all SAP's. The problem is that not all support 1:1 PAR's.
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omadawn
Newbie
_ 		16. February 2007 @ 01:14 _ Link to this message    Send private message to this user   
i am going to rip a 8000kbit source now, in AVI 720x400 and also 1280x720, dysplay both trough VGA->HCP and then make my image test...
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afterdawn.com > forums > archived forums > divx / xvid > dvd encoded(divx6) or shrink(35/40%)
 

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