Making DVD's not DVD-R's

so netflix and a few other places require DVD's not DVD-R's. What's the difference? Thanks!

Pardon me, David,
When you said in your first reply:
"DVD-R is a type of blank media. If authored properly, it will be a DVD-Video when you're done."
It would be more accurate to say that a DVD-R is it's own format, as Eric stated, and certainly can never be a DVD-Video - even if authored properly. The DVD Forum is very clear that the DVD-Video logo cannot be placed on a DVD-R format disc, because they are not the same format (you can put the DVD-R logo on a DVD-R disc). Mainly this is because these two optical formats are completely different in structure, and because only replicated discs can achieve the reliability in players (which you mentioned) required of a product bearing the DVD-Video logo - the main mass distribution format targeting consumers. That's the short of the story.
And when you said in your second reply:
"A DVD-Video is a DVD disc that contains data that conforms to the DVD-Video standard. Otherwise is wouldn't play in a DVD player. It does not matter whether the disc is burned or replicated."
Again, if the disc was burned, it's not a DVD-Video. It's one of the recordable formats (DVD+R/W is an optical format not recognized by the DVD Forum, but with similar characteristics. It's leadin can contain the DVD_ROM book type bit setting, that can trick players into thinking a replicated disc has been stuck in it, however).
And a DVD-Video disc is a replicated / manufactured disc that has certain lead-in data which a DVD-R can never emulate, because it's lead-in area is glossed over in manufacturing (to prevent bit for bit copying of manufactured DVDs) with set data in its lead-in area. So it's crucial, whether or not a disc has been burned or replicated. Again, only replicated discs can bear the DVD-Video logo.
And when you said:
"DVD-R and DVD+R are types of optical media. They are not a format."
As I (and Eric) mentioned, DVD-R is a format, with books specified for it by the DVD Forum. DVD+RW is also a format, but not specified by the DVD Forum. But yes, DVD-R and DVD+RW and one you forgot - DVD-ROM (replicated DVD-Video) are also all optical media.
There's more to it. You might get on the DVD Forum's website and check on some of these questions.
Take care,
Trai
Trai Forrester
New Constellation Technologies
DVD Verification, Proofing, DLT Pre-mastering

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Hey guys,
I just got a T61 last June and it works great. I have never been happier. However, just the other day, I tried loading a DVD, and the computer will not recognize it....When it tries loading, you can hear the DVD tray making an irregular noise, and then it just stops. When I try to explore the drive through windows, it says that there is no disk present. I tried this with multiple DVD movies, and DVD Data discs, and I still get the same result. The drive reads CD-R's just fine, though...
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my t61's are from about that same time- May I think.
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I would not assume that, given the earlier information I posted.
That specific DVD has caused a number of problems for Mac users, even some home DVD players. This Google search will help you find other reports of problems with the DVD.
There was another AccelerateYourMac tip here, but given that it was from 1999, it may only apply to Mac OS 9.
In researching this, I read somewhere else that folks were able to play it in VLC Media Player. I don't have The Matrix on DVD so I can't test it, and all the reports of problems with it have discouraged me from purchasing it on DVD.
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Hi There
I have created a mixed angle DVD that went to replication successfully but getting the mpegs right was very difficult. In the end I had to re-install DVDSP3 onto my system for two reasons 1) The only way my mpegs would work was if they were created thru Quicktime Mpeg Exporter which DVDSP4 removes, and 2) after I got it all working in DVDSP3 then tried to rebuild it in 4 it would not recognise my V2 or V3 angles - I didn't get any errors and it muxed ver quickly but only V1 was present. I have not been able to create a multi angle disc in DVDSP4 SD, even with mpegs that build successfully in 3.
The problem with all of Apple's encoders except QT Mpeg Exporter is that they create the occassional bitrate spike in both CBR and VBR, which will blow your encoding everytime in a mixed/multi angle project.
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Thank you for using the Toshiba Laptop Forums. Since there have been no posts to this thread in several days, it is being marked "read only" as part of our routine message board maintenance.
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Hi,
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Making DVD's not DVD-R's

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