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Friday 3.10.2025 / 18:59
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afterdawn.com > forums > software specific discussion > dvd shrink forum > quantity verses quality - help with compression ratios needed
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Quantity verses Quality - Help With Compression Ratios Needed
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bakerloo
Suspended due to non-functional email address
_ 		2. December 2005 @ 12:03 _ Link to this message    Send private message to this user   
I've been using DVD Shrink with AnyDVD, then re-authoring and backing up the Main Movie only.

I have had great results so far with most movies fitting on a 4.7gb disc without any compression at all which I prefer.

I need some guidance on compression because even backing up the main movie only with a few films needs some form of squeezing.

How far can a movie be compressed before it becomes obvious in playback say on a larger LCD?

At what rate of compression will fast action pixelate etc?

The first movie i've backed up needing compression is Mr & Mrs Smith and with DVDShrink on Automatic Compression it says 89.5% which is 10.5% compression, is this rate ok?

Thanks Everyone.
[ + quote]
DVD Newbie using Athlon 3000xp, Asus A7N8X Deluxe, 1024mb Dual Channel Ram, 9800 Radeon Pro 128mb, 2x 80gb SATA Hard Drives striped array, Sony CD/RW, Sony DRU 700a Dual Layer Burner, Windows XP Pro SP2.

This message has been edited since posting. Last time this message was edited on 2. December 2005 @ 12:04
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LOCOENG
Moderator

1 product review
_ 		2. December 2005 @ 12:35 _ Link to this message    Send private message to this user   
I would say that would be better than average. I have backed up some with as much as 35% compression and they looked fine on my 7 year old 32" JVC.

Since you are using single layer discs to backup to, why not play with the compressions to see what is acceptable to you. SL discs are only 30-60 cents each so it wouldnt be an expensive experiment.
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bakerloo
Suspended due to non-functional email address
_ 		2. December 2005 @ 13:41 _ Link to this message    Send private message to this user   
Thanks LOCOENG, i'm gonna burn a few compressed movies soon.

I'm after personal experiences of compressed movie playback to see how far a movie can be compressed without visable loss of quality(i'm a quality addict).

Once again Thanks
[ + quote]
DVD Newbie using Athlon 3000xp, Asus A7N8X Deluxe, 1024mb Dual Channel Ram, 9800 Radeon Pro 128mb, 2x 80gb SATA Hard Drives striped array, Sony CD/RW, Sony DRU 700a Dual Layer Burner, Windows XP Pro SP2.
LOCOENG
Moderator

1 product review
_ 		2. December 2005 @ 14:58 _ Link to this message    Send private message to this user   
Personally I wouldn't go below 30% compression and that is probably a widely accepted ratio, but different setups can tolerate different levels. That's why I suggested the testing, my experiences might be different than yours.
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This message has been edited since posting. Last time this message was edited on 2. December 2005 @ 14:59
arniebear
AfterDawn Addict
_ 		2. December 2005 @ 15:20 _ Link to this message    Send private message to this user   
I think it also depends on what you are compressing. I compressed The Sopranos and they looked fine on my 52 inch, but then I compressed 21 Jump Street which was an older series and it looked wicked. Newer video seems to be able to handle the compression better.
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alkohol
AfterDawn Addict
_ 		2. December 2005 @ 18:25 _ Link to this message    Send private message to this user   
When there is(are) compressions needed, you can try the following.


[ + quote]
WARNING: Do not "update/upgrade" your SAMSUNG BD-D5XXX series (Bluray Player), or else you cant enjoy any of your movie files.
How 2 downgrade Samsung BD-D5XXX Series Bluray player http://forum.samygo.tv/viewtopic.php?f=18&t=4244
bakerloo
Suspended due to non-functional email address
_ 		2. December 2005 @ 21:49 _ Link to this message    Send private message to this user   
Thanks guys for your help.

I backed up Mr & Mrs Smith yesterday using DVD Shrink, Deep Analysis, 11% Compression and AEC(Default Sharpness).

I will watch it later.

Again Thankyou.
[ + quote]
DVD Newbie using Athlon 3000xp, Asus A7N8X Deluxe, 1024mb Dual Channel Ram, 9800 Radeon Pro 128mb, 2x 80gb SATA Hard Drives striped array, Sony CD/RW, Sony DRU 700a Dual Layer Burner, Windows XP Pro SP2.
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alkohol
AfterDawn Addict
_ 		2. December 2005 @ 22:18 _ Link to this message    Send private message to this user   
You're welcome and no problem. Happy burning!!
[ + quote]
WARNING: Do not "update/upgrade" your SAMSUNG BD-D5XXX series (Bluray Player), or else you cant enjoy any of your movie files.
How 2 downgrade Samsung BD-D5XXX Series Bluray player http://forum.samygo.tv/viewtopic.php?f=18&t=4244
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