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When do you know you have a coaster on your hand's?

Discussion in 'DVDR' started by free-coh, Apr 2, 2007.

  1. free-coh

    free-coh Member

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    when do you usually realize you have a bad burn, i.e., is it during "verify" process of dvd decrypter,nero testing process,playback in stand-alone player or PC? i have burn't hundreds of disc's on various media the last several years (mostly Ritek and Verbatim inkjet's)and have yet to encounter a major problem (I doubt I've been that lucky), Although I must add I usually file the disc's away before viewing, maybe if I actually watched some of the older media I may notice some problems, The only problem I have with some older disc's are the ones I used labels on (major mistake...)
     
  2. binkie7

    binkie7 Moderator Staff Member

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    My description of a coaster is either a failure during the burn or it wouldn't playback on any of my players - very few and far between.
    So basically it's worthless to me.

    I rarely do the verification piece w/ a program like decrypter or nero - just rely on playback.
    I have some Ritek several years old that still play good so you may just be lucky.
     
  3. bbmayo

    bbmayo Active member

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    Well I wasn't so lucky as you two, but hey thats how I learned. I must say I haven't had many coasters in the last couple of years, but in the beginning I had a few, and it was because I was hard headed, and then I found this sight with all the wonderful people and expert opinions which helped me through most of my issues. I still do get the occasional coaster, but it is more from testing different methods and trying different things. I do all that to hopefully get a little more knowledge and be able to help more people here. So I guess you could say I bite the bullet on some blank DVD media for AD and it's members!! LOL

    I would classify a DVD a coaster as a disk that will no longer play. Thats all there is to it really, but I would suggest you take some of those older disks you burned and play a few you may be surprised to find you have a coaster or two, but thats not a problem they work well as coasters I have one under my beer right now and it's an old Memorex (don't ask) LOL
     
  4. binkie7

    binkie7 Moderator Staff Member

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    @bbmayo
    lol - I didn't start out well in the coaster department - well maybe if you look at it as 'more is better' :)
    My choice of media was Princo at 1st and too many other to name - then I progressed to Ritek then Taiyo and Verb - now there I got lucky :)
     
  5. sorrow93

    sorrow93 Regular member

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    @free-coh Yes labels can be a major mistake but I also have to add - never write on media with permanent markers or paint pens because in a DJ friends words "ticking time bombs"
    they might take a year but they will likely become coasters.
    alot has been documented about the solvent in the pens eventually eating through to the data surface but I have no idea how this affects dvd media but I assume it would wreck part of the movie/data.(if not all)
    many dvd/cd markers are for sale now.
    someone recommended if your data is critical don't write on the disc at all.

     
  6. JoeRyan

    JoeRyan Active member

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    DVDs cannot be affected by solvents in markers because the data area is sandwiched between two layers of optical grade polycarbonate. The problem is with CD-Rs because the data layer sits under coatings of ink and lacquer which rest on a thin deposit of silver alloy. The solvents can eat through the ink and lacquer and reach the silver alloy on a CD-R.
     
  7. Ripper

    Ripper Active member

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    You're a walking encyclopedia Joe ;-)

    Thanks for that :)
     
  8. Shardel

    Shardel Guest

    Sometimes you know you have a coaster when the program comes up with
    an error message and can't finish the burn.
    Sometimes you get a surprise coaster. The other day I did a movie-
    all the programs said they were successful with no errors. The data
    on the disc was verified. I clicked through the chapters to make
    sure they were all there and even watched the last chapter completely.
    The other night when I finally put it into my DVD player it played to
    chapter 25 1/2 and froze. It would not recognize any of the chapters
    from there to 28. When I put it back in my computer it also would
    no longer recognize those chapters. It turned out to have been a
    defective blank in a pile of what had been really good blanks.
    So I guess the only way you can be absolutely sure is watch the entire
    disc.
     
  9. rbrock

    rbrock Regular member

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    I've made my share of coasters but I put them back in the PC and used better blanks and now they work fine they would not play on anything but the Ole PC made a new copy that works, I thought it would not be able to do that.
     
  10. free-coh

    free-coh Member

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    I failed to mention I have also sealed countless disc's with acrylic gloss spray, would like to hear some opinion's on that practice...
     
  11. LOCOENG

    LOCOENG Moderator Staff Member

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    All I use are inkjet printables and have often thought of trying the acrylic spray. I think it sounds like a good idea as long as you don't get any overspray on the readable surface of the disc.
     
  12. sorrow93

    sorrow93 Regular member

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    @JoeRyan
    thankyou for that info learn something new everyday
    I assumed dvd-r+r were the same as cd-r and I assumed wrong.
    good clarification cheers
     
  13. sorrow93

    sorrow93 Regular member

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    I'll make one more comment I just read an article about cdr and dvdr life expectancy they might not last as long as hoped (we all have heard that) this person recommended re-burning to new media within five years ... to keep the data fresh.
    just an observation and potential advice.
     

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