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Introducing ratDVD: A new way to compress your DVDs

31 May 2005 16:30 by James "Dela" Delahunty | 88 comments

Introducing ratDVD: A new way to compress your DVDs Would you like to be able to compress an entire 9GB DVD to 1 single file about 1GB-3GB (depending on the DVD and your settings) in size, keeping menus, bonus features, multiple audio and subtitle tracks as well as video Angles? Well students from the university of Aarhus, Danmark and St. Petersburg State Electrotechnical University "LETI", Russia yesterday released a new Compression format specifically geared towards the compression of complete DVDs without loss of any features or noticeable quality called ratDVD.

After a DVD is compressed to one much smaller file, it can be played back on your PC like you would play a normal DVD or you can convert it back to DVD to burn to disc and watch it with a stand-alone DVD player. Currently it requires users to have Microsoft Windows XP, DirectX 9.0, and Windows Media Player 10. "This new format makes sharing DVDs possible like MP3 did for Audio-CDs. Comparing ratDVD with conventional compression methods like MPEG-4, H264, DivX or XviD is like comparing DVD with VHS. Unless you use ratDVD, you get only parts of the video but loose everything that makes DVD special." says Peter Jensen, project team leader.

ratDVD can preserve all the features of the original DVD such as:

  • Full Anamorphic picture, seamless branching, multiple video angles, multiple audio channels, subpictures, etc.
  • Keep movie versions (Directors Cut, Theatrical version, etc.), Alternate story endings, making of, video commentary , cut scenes, etc..
  • Keep complete menus, navigation and features
  • Reliable high quality, valid check-summed Container.

  • You can download ratDVD from: http://www.afterdawn.com/software/video_software/dvd_tools/ratdvd.cfm

    Don't forget to visit the ratDVD homepage at: http://www.ratdvd.dk/index.htm

    Thanks to milk.mix for submitting this news to us.

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    Related articles:

  • ratDVD updated to v0.78.1444 (6 December 2005)
  • ratDVD updated to v0.76.1408 (7 September 2005)
  • ratDVD updated to v0.75.1331 (23 August 2005)
  • ratDVD v0.7.1235 released with numerous additions (7 July 2005)
  • ratDVD v0.6.1122 - Minor bug fixes made (25 June 2005)
  • New ratDVD guide added to guide section (1 June 2005)
  •  

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    Discuss this article!  There are more user comments available, read them here
    sags (Member) 7 June 2005 14:03 Send private message to this user   
    is it true that a bunch of university kids made ratDVD to experiment with
    if so can we rely on it i mean they are not pros yet

    This message has been edited since posting. Last time this message was edited on 7 June 2005 14:03

    robtwilk (Member) 7 June 2005 21:07 Send private message to this user   
    I don't think it is the end-all solution, but it is a new toy we can play with, and for some people it fills a void. It is likely they will improve the product over time and with input from the users. Cheers to them for providing it to us for free!

    Sony Vaio VGC-RA710G/3.2E GHz/500 GB
    1G Corsair Dual Channel DDR Ram
    XP Media Center Edition 2005
    Sony DRU-720A Burner (primary)
    Sony DRU-700A Burner (secondary)
    Taiyo Yuden 8x+R, Sony 4xRW, Verbatim 2.4xDL
    tamhunter (Inactive) 8 June 2005 16:01 Send private message to this user   
    honestly guys !is copy todvd still free ?
    cueball50 (Newbie) 8 June 2005 17:53 Send private message to this user   
    CopyToDVD costs 39.99(USD) for the basic program(with 1 yr of software updates free) or 128.77(USD)for free lifetime updates.
    cell-gfx (Newbie) 8 June 2005 18:46 Send private message to this user   
    I converted the first DVD of the Trigun series to see what the quality was like with animation. Using DVD Decrypter followed by MenuShrink and then encoding using RatDVD on 95 quality, I got a 1.2Gb file with 4 episodes in it.

    The quality is pretty good, maybe not as good as XviD, but I am impressed that I can switch audio streams and have subtitles on and off!!

    This has the potential to be excellent... Only criticism - I HATE WMP10!! I'd make the software work with Media Player Classic as soon as possible and then the take up might be even better!
    simon6467 (Inactive) 9 June 2005 3:06 Send private message to this user   
    The best thing tamhunter to do is download the share ware of something or trial version and then go http://crackspider.net/ to get a license code to register it and thus get it for free. There are so many pieces of software that we need we can't expect to pay for all of them. I bought NTI and Nero but others such as rippers and PAL to NTSC converters I succesfully hacked from using cracks and serials from there. Make sure your adware and virus stuff is on and uptodate as there are some pretty nasty lurking attachments you pick up along the way but it is worth it in the long run.

    My route for RatDVD conversion to DVD_R

    Decrypt using DVDDECRYPTER (R.I.P)
    Then Shrink using Rat DVD at 95 (I recc. that setting)
    Save it to a file.
    Then once compressed by Rat I open Rat again and fing my converted file.
    Rat then changes its sign to RATDVD to DVD and press convert.
    When convert is complter and the file side has beedn converted back into VOB files to roughly 4 gig I burn it on Nero.

    As I have said all along this is the only peice of software which allows full interaction with the menu and episode jump selection. It's slow but good well done to them!!!!
    tamhunter (Inactive) 9 June 2005 3:44 Send private message to this user   
    once again cheers SIMON ok !
    tamhunter (Inactive) 9 June 2005 4:36 Send private message to this user   
    SIMON tried the spider thing , cant fathom it out ok. will try it out again, any tips ?
    simon6467 (Inactive) 9 June 2005 6:40 Send private message to this user   
    Tam hunter
    What you need to do is get the trial version software make a note of the version numbers e.g Windvd 1.05.09 platinum etc then enter in the search box to see if it brings up any matches. It then gives you a list which takes you to a page you then have to find your exact version click on it and it will try to throw you out three for four times perservere and you will get something.
    Caution go only for serials not cracks as they have to be downloaded and that kept my AVG pro busy for an afternoon.
    p.s Blue ray dvd is the new format for DVD that might be adopted it can store 3/4 times more data than standard DVD.

    Cheers

    tamhunter (Inactive) 9 June 2005 11:16 Send private message to this user   
    YET again thanks SIMON, will persevere this tme ok.
    tamhunter (Inactive) 9 June 2005 14:18 Send private message to this user   
    Look simon, sorry for all the bother ok.problem is that i have already downloaded copytodvd (dont know what version it is !)
    feel like a bit of a twat ! but hey we've all got to learn ok.
    tamhunter (Inactive) 9 June 2005 14:28 Send private message to this user   
    you guys out there probably think that i am a right dick !but hey you have got to learn from somewhere ,anything i learn i will pass on,and vise versa ok.
    i'm not a bad guy ,just yearning to learn ok.
    simon6467 (Inactive) 10 June 2005 1:02 Send private message to this user   
    Hi
    Go to help and then about that will give you the version number and no you are not we all have to start somewhere

    Si
    tamhunter (Inactive) 10 June 2005 4:25 Send private message to this user   
    SIMON tried again with no success(COPYTODVD).
    I THINK IWILL HAVE TO LET THE TRIAL VERSION EXPIRE AND TRY AGAIN, it will not give me version number ok.
    Thanks ok.
    p.s any info on Daemon Tools. i have downloaded it but pretty vague about mounting an image and running it ?
    tamhunter (Inactive) 11 June 2005 13:08 Send private message to this user   
    any help ? my mate loaned me a karaoke disc,but when i put it into my dvd player,it comes up as a CD-G.how do i convert this onto disc ? as i would like to copy it for myself.
    ptwenty (Inactive) 13 June 2005 9:35 Send private message to this user   
    Tried ratDVD

    Very disappointed. Yeah it shrunk Matrix 3 from 7 gig to 1.7 gig (slider at 100)

    I consider myself a quality buff, and the resulting quality was pretty grim.

    Lots of pixellation, and the picture was a lot darker than the original. So dark in fact that some backgrounds were invisible.

    playback was very jerky too - which really ruined the viewing pleasure.

    I won't be changing from Xvid. Or at 20p (in UK) per blank DVD-R, I think I can afford one disc per film.

    Hopefully when new versions of ratDVD come out, I'll happily stand corrected.


    Ptwenty

    Good riddance to that avatar.
    robtwilk (Member) 14 June 2005 6:59 Send private message to this user   
    I think it's becoming clear that they have a way to go before ratDVD produces acceptable quality. I hope they do!

    It is forums like this that provide them with the feedback they need to improve their product. Hopefully they welcome our comments. I know we certainly appreciate FREE software!!!

    Sony Vaio VGC-RA710G/3.2E GHz/500 GB
    1G Corsair Dual Channel DDR Ram
    XP Media Center Edition 2005
    Sony DRU-720A Burner (primary)
    Sony DRU-700A Burner (secondary)
    Taiyo Yuden 8x+R, Sony 4xRW, Verbatim 2.4xDL
    B1ffster (Newbie) 14 June 2005 14:38 Send private message to this user   
    It takes *ages* to uncompress a DVD. I'm still waiting to see what the quality is like (OK so I got a cr@ppy Athlon 2100XP)

    You people who post to usenet...
    Stop flooding alt.binaries groups with your rat's. Get your own group!!!!!!!
    arisia (Junior Member) 14 June 2005 21:59 Send private message to this user   
    Ages? What do you compare it to? It is faster than any MPEG-2 encoder I have seen. To convert an Xvid with TmgEnc (high qiality settings), etc. takes a lot longer...
    korina922 (Newbie) 22 July 2005 9:48 Send private message to this user   
    My question is, when you convert it back to dvd5/9 is it identical to the original?

    If it was this would be similar to zipping or rarring a file, but with a greater amount of compression

    The reason I need this answered is because my goal to use ratDVD would be to compress DVD9 images and store them on cheap media, then when dual layer discs are affordable and reliable to uncompress and burn.

    The concept of watching the ratDVD seams to be the main goal with this project, but over here I watch my movies 99% of the time on a standalone. If my question is to be answered with a yes, then this is a miraculous product worthy of a donation/registration (yea I've been doing that with freeware recently :) )

    so if anyone can ansewer my question, you are an angel.
    the question again is: When you convert a ratDVD back to original DVD5/9 is it the same as the original?
    ptwenty (Inactive) 25 July 2005 1:15 Send private message to this user   
    Korina922

    I'm afraid the answer is no.

    When you convert a film from one format to another - some quality is lost.

    To quote an example I heard from someone else : Imagine the book Lord of the Rings (1000 or so pages)

    Someone could write a 100 page summary of it and cover the main story and make it readable. While the 100 page version will tell the main story, there's nothing you can do to the 100 page shortened version to convert it to the original book.

    What you will get when you do ratDVD to DVD-R is an expanded (padded out for mpeg2) version that is slightly less quality than the backup you made. Because everytime you convert it, you lose tiny amounts of quality like I said.

    So you lose quality when you make a ratDVD file, and then you lose a tiny bit more when you make that into a DVD.

    It depends on how fussy you are with your video quality.


    Ptwenty
    loopymofo (Newbie) 27 July 2005 1:06 Send private message to this user   
    so......how would i convert ratDVD to DVD so i can watch it on my home stereo system? Anyone help with this?
    robtwilk (Member) 28 July 2005 12:57 Send private message to this user   
    @loopymofo

    I have not followed this thread in a long time, but I believe your question is spelled out on the ratDVD website. There is a complete guide here on afterdawn as well I believe.

    I would normally try to add the link for you, but I'm short on time today. Maybe this will work:

    http://www.afterdawn.com/software/video_software/dvd_tools/ratdvd.cfm
    skyguy (Newbie) 28 July 2005 19:22 Send private message to this user   
    Although this software is a bit slow it beats DivX out in feature very easy. Plus all you need it one click and it does it all. Check it out at http://ratdvd.ca
    gcovatl (Newbie) 8 September 2005 6:32 Send private message to this user   
    It doesn't take as long to film the live content as ratDVD does to process the resulting video into a .ratDVD archive. I gave it a third chance earlier today (others during past 6 months) and after 4 minutes it was still in the opening credits at 1% (3.0 Ghz CPU, 1 GB RAM, 800 Ghz FSB HT). Since I saw this program championed here, I have to speak out. If there's a punchline, I didn't pick up on it.

    There are other stellar options out there (Divx Creator, Dr DivX, DVDShrink), programs like this one only serves to better each of the value of those freebies to the collectors who use them.
    Ress (Newbie) 26 January 2007 22:16 Send private message to this user   
    My question is do we really need this??? All this is gonna do is confuse tech noobs. And also how many of you actually have a DivX dvd player? I do and its great to just burn a disc of DivX episodes of a tv series to a single disc .insert and watch. I personally like that alot better than 7 or 8 dvds for a tv season quality looks fine to me..heck with menus and bells and whistles.....DivX IS the mp3 for video. And hey their is alot better audio codecs then mp3 out their. Are they used??? nope.. aint the "popular" choice. Hey laserdisc was a good thing and besides disc flipping was actually a great thing..I was watching star wars on it years ago...Why didn't it takeoff??? what really gets me is why mini-discs didn't take off. I mean here you have a disc that is rerecordable like a cassette and digital like a cd...and the most important thing was the disc was inside a square plastic case thus protecting it from scratches....I will always believe it was money involved why that wasn't big(also lookup GM and the electric car.......but in the end the RIAA got their's and have absolutely no control of the mp3 revolution.... As a fellow artist I have been both blessed and burn by digital technology on the internet
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