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All Forums > Tech Talk > Tech Talk Forum Page 12 > Do some studios turn to dvd+r when stock runs out?
AuthorPost
sir wankalot
Member

UK
904 Posts
5/03
Posted - Jul 8 2013 : 10:14AM
Occasionally i pick up an old title and it's on a purple dye dvd. As i was using reputable retailers i assumed all was ok.
However, i recently picked up some ThirdWorldMedia dvds. They all came on purple dye discs but were no older than some others (machine pressed silver face) i had picked up from the same series.
I did a check and found the purple dye discs all coming in at around 4.3GB. When looking at my machine pressed versions from that series they were all well above 5GB.
I therefore assume these have been quite heavily compressed to fit on a single layer dvd+r. Do smaller studios do this, or am i looking at pirated copies?
Flash All-Star Supporter
Golden Age Classic

11018 Posts
5/01
Posted - Jul 8 2013 : 11:05AM
Some studios used DVD-R discs for a while. Some ceased the practice, some still do I believe. So I doubt you got pirated discs if you bought from reputable stores.
Jacco All-Star Supporter
All-Star Member

"liable to deprave and corrupt"
2673 Posts
5/04
Posted - Jul 8 2013 : 11:11AM
Sir W, as far as I know Third World does not use DVD-R's. Can you let me know where you got them (by pm or email is fine)?
Flash, in the UK we have seen many licensed sexshops sell pirated DVD's. Sometimes the store knows, sometimes they don't.
Jacco
Flash All-Star Supporter
Golden Age Classic

11018 Posts
5/01
Posted - Jul 8 2013 : 12:21PM
Oh, I know here in the states that Extreme Associates, VCX and Gentlemen's, among others, have used DVD-Rs at certain times. VCX even offered a trade-in for their DVD-R titles when they switched back to pressed discs.
sir wankalot
Member

UK
904 Posts
5/03
Posted - Jul 9 2013 : 4:06PM
Ok, I emailed ThirdWorldMedia and got this reply...
Hello- yes, many of our older titles are being replicated in smaller quantities now on "purple" discs. If you tell me the seller name I can confirm if they are real dealers with legit product from us.
I then asked about compression on the discs and got this reply..
HI again. The capacity of the purple discs is less. In some cases there may be slightly higher compression but it should not affect the quality to a large degree. I dont think you would see any difference between the purple and other pressed discs. Our new titles will all be pressed but our oldest will be burnt to purple.
Hmmm....losing 1GB seems like a lot to me. Might get away with the 20% compression on a laptop screen, but on a large screen TV that would surely be noticable.
Jacko...the retailer is in the top 3 of the ADM seller list. I'm sure they are fine...though i can't be sure whether they source dvds direct from studios or a third party? With the price of many films in this series (Little Asian Cocksuckers), they would not be worth pirating.
 
Harri Patel
Senior Member

#SDNY he's all yours. -- Michael Steele
5110 Posts
3/03
Posted - Jul 9 2013 : 7:30PM
Do the purple dvds have the same amount of BTS, trailers, or other "extras" that the pressed ones do? They could leave some/all of that stuff out and not have to compress the main title to the extent that you're assuming they do.
Bill All-Star Supporter
All-Star Member

5334 Posts
6/00
Posted - Jul 9 2013 : 8:22PM
A single layer recordable DVD has the same capacity as a single layer pressed DVD and a dual layer recordable DVD has the same capacity as a dual layer pressed DVD. So, they may be saying that they use dual layer discs for new titles and single layer discs for their older titles. Most companies actually did thia as dual layer discs were a lot more expensive in the early days of DVD and there weren't many replicators who worked with porn discs that pressed dual layer discs.
For the most part, about 2 hours 10 minutes is the point at which you may see a difference in quality between a single and dual layer disc. Any disc that contains less than that is perfectly fine on a single layer disc.
sir wankalot
Member

UK
904 Posts
5/03
Posted - Jul 10 2013 : 1:06PM
The machine pressed discs are showing 5-6gb, so will all have to be dual layer in this case. I have tested 7, 8, 9, 10 and 16.
The purple dyes are all at 4.3gb so i'm sure will all be single layer dvd+/-r's (they would not waste money on dvd-DL). I have tested 1&2, 3, 11 and 12.
So a mixed selection from old to new.
Comparing the two sets of films on a 37in TV, i can see some pixelation in the fast motion scenes from the purple dye titles. As some of the scenes are grainey anyway, it doesn't stand out too much. The average viewer may not notice it. Knowing it had been compressed i was.
sir wankalot
Member

UK
904 Posts
5/03
Posted - Jul 10 2013 : 1:10PM
Yes...they still have all the extras. The film would have been compressed as a whole.
The fact they are all coming out at 4.3gb suggests they were shrunk to that size specifically. Longer films would suffer more than shorter ones.
Flash All-Star Supporter
Golden Age Classic

11018 Posts
5/01
Posted - Jul 11 2013 : 2:25PM
I believe you can tell the layers on a pressed disc with silver being single layer and a more golden color being dual.
Bill All-Star Supporter
All-Star Member

5334 Posts
6/00
Posted - Jul 11 2013 : 8:53PM
^ Not anymore. The easiest way to check is with Nero CD Speed (freeware).
Goldstein All-Star Supporter
All-Star Member

"You have sacrificed nothing and no one."
3689 Posts
8/10
Posted - Jul 12 2013 : 12:17AM
It's even easier than that.
If it's more than 4.3 GB of written data (or 4.7 GB of space on a raw disk), it's dual-layer.
Just go to My Computer, right-click on the disk, select Properties and there's the info.
BYOB_Kenobi
Senior Member

“Life can only be understood backwards; but it must be lived forwards.” - Kierkegaard
2684 Posts
8/09
Posted - Jul 14 2013 : 5:34PM
Old school, technique with no software or computer needs.
You can also tell a CD-R or DVD-R capacity by seeing where the dye shift is. If the ring is in towards the middle and small, not much storage, if the ring is on the outer edge, lot more space.
Old school visual.
Bill All-Star Supporter
All-Star Member

5334 Posts
6/00
Posted - Jul 14 2013 : 7:57PM
...except it's no longer a reliable way of determining whether a disc is dual layered or not. Dual layered disc aren't always gold anymore. If you see a disc that is golden color, it's dual layered. If you see a silver disc, it can be either single or dual layered.
All Forums > Tech Talk > Tech Talk Forum Page 12Do some studios turn to dvd+r when stock runs out?

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