DVD+R and DVD-R; What was that about?



We’re really looking at the plusses and minuses of this whole ordeal…
Links to referenced videos are down here, too! So I don’t wanna hear any complaints about cards not working, ok?

The DVD-RAM video

The SD logo video

The PlayStation video

Looking for the shirt I’m wearing?

And here are some other links for your perusal:
Technology Connextras (the second channel that stuff goes on sometimes):

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49 Comments

  1. If Sony weren't constantly being Sony I wouldn't have to keep making jokes about how Sony they are.
    Also, quick note! The whole DVD+VR and DVD-VR thing in DVD recorders is extra petty because there was absolutely no reason you couldn't have adapted the DVD+VR format to DVD-R media. Except… licensing. Sony and Philips apparently kept that to themselves so that DVD-R media would always have this limitation in DVD recorders; but it has nothing to do with the physical differences between the formats. And it appears some later Pioneer DVD recorders did, in fact, get around this limitation in one way or another.

  2. they actually mattered more in dual-layer recording. First, DVD-R DL discs had a notoriously high failure rate, and the layer break was at the edge of the disc. If that edge was slightly scratched, even inside the spindle cases, you're screwed. Plus, the LPP recording didn't make matters any better either.
    DVD+R DL discs however had a more flexible layer break mode, which means it doesn't need to transition to the other layer at the edge of the disc. Plus, the ADIP making it easier to manufacture meant that DL discs were produced with less faults.

  3. About the DVD recorder bits, there is one thing about the +R and -R difference that i have noticed after working on several dozens of them. A lot of times when i get dvd recorders with worn or partially failed pickups, almost all of the times, they would still be able to record, format and read dvd+ just fine but would have issues or straight up refuse to read -R standard. So far this has happened to me with basically every multi standard dvd recorder i worked on. Could have been coincidence but i don't know

  4. I've always wondered what the heck the deal was with those two! And of course, like all of us here, we're left scratching our heads about whether it matters or not – basically no, but maybe an occasional yes with a particularly picky device of some type.

  5. It's been 5 years… but you forgot a small detail. Even though compatible with both DVD-R and DVD+R, a lot of drives only supported DVD-RW, but not DVD+RW. Or their supported write speeds were significantly different. That DVD DVR you showed at the end is an example of this (ironically, being a Panasonic device, it's the DVD+R it is slower at and the DVD+RW it doesn't support).

  6. @17:30 I used to burn a lot of DVD's back in the day for both video and data storage. As far as data is concerned, I never really noticed a problem of having to finalize before it would work on any DVD player. Since I was adding files occasionally until the disk was full I always had access to the files as long as it was on the same computer with the burn software that I've been using to burn the data in the first place. Sure I couldn't use the disk in another computer but that wasn't really something I was concerned with. About the only time I can think of that it was somewhat inconvenient was when I was giving the police some CCTV footage I had and I only had DVD's to burn it on so I felt like I was wasting a bunch of space finalizing but I had to do it so they could read the data on their computers.

  7. ahh, the good old days of renting DVDs, using Dvd Decrypter and Dvd Shrink to make a subpar copy (if you were lucky, a shorter movie fit at 100% if you left out all the dvd extras, including extra audio). The best part of that was when you put the dvd in, it just started playing the movie straight away without even pushing a button.

    I know people who did that to sell them, but I still have all mine in the basement somewhere. Dvd blank media with shaky sharpie writing "Iron Man' on the front lol. I still have CD-Rs from copies of other CDs, and even several dusty cassettes recorded from radio from VERY long ago.

    And now here I am with a shelf full of genuine blu-rays I scavenge from thrift stores.

  8. DVD+R was slightly better because of bitestting (ability to change what the finalized disc reports itself as) and IME better compatibility with DVD video players. That said, I had an OG Xbox with a Thompsen drive that refused to read + discs but had no problem with – discs, so I had experience with both. In 90% of cases they were cross-compatible, but those edge cases were definitely an annoyance, if you were serious about burning, you needed to be familiar with both types of media and accept that sometimes you will have compatibility issues and will waste blanks.

    I really miss that purple color…

  9. I get the argument of dash>minus when it comes to the English language, but a lot of other languages don't really have a word for "dash" that's more practical than minus, especially when pronouncing DVD-R. So for a lot of us it will always be DVD plus and minus and we will translate it to English that way.

  10. the way mr connections says "ugh, humans." makes me think hes an alien thats taken a liking to earth technology and has dedicated his life to cataloging it

  11. The only reason I needed to buy a DVD+R-capable burner was to produce, uhhh, factory-fresh Wii and Gamecube games. They were less of a problem for the consoles' reading. That's the only reason I've had to think about this nonsense!

  12. Alec, can you confirm this? I can't recall where I read it. That on digital optical media, the pits and lands do NOT represent 1s and 0s. They actually are the zero-crossings of an analog, yes, analog! signal which in turn carries the digital data kinda like an analog signal from a modem carries data.

  13. I guess the many re-recordings make sense if they are used to backup, especially in a CCTV situation where the footage is recorded over ever 24-72 hours.

  14. I remember the Wii having a very very unreliable double layer dvd laser which made a lot of burned disks fail even though this capability was used for like 2 games

  15. I remember back in the day of DVD players, if you bought an expensive DVD player it wouldn't played burned disks but if you bought a cheap DVD player it would play burned disks… It almost felt like you was paying more to have copy protection built in which sucked!

    I can imagine it's similar with Blu-ray players, we bought an expensive one and its region locked which I found out when I bought continuum and the 4th series was only available as an American release. I tried to rip the disk but its encrypted so you can't even copy it to play it. I just "illegally" downloaded series 4 and put it on the TV hard drive as I had no way to watch something I had actually bought. To be honest I could probably get my PS3 back out and install CFW which allows region free Blu-ray and DVD playback. Continuum series 4 was never released in the UK region when I originally bought the full thing

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