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Re: Writing a project to a dual layer disc - Do I first have to use Digital Linear Tapes (DLT)?

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Neil Wilkes
Re: Writing a project to a dual layer disc - Do I first have to use Digital Linear Tapes (DLT)?
on Aug 15, 2006 at 9:22:05 am

What version of Encore are you using?
1.01 does not support writing to DL discs
1.5.1 will write to DVD+R DL, so will 2.0

DLT = Digital Linear Tape, and it is the preferred format for sending masters to replication facilities. It is also mandatory to use these if Copy Protection is required on the final disc, as copy protection cannot be applied to written media (despite what some companies claim to the contrary).
You need to use 2 DLT's as the usage is one tape per layer (Layer 0 goes to tape 1, and layer 1 goes to tape 2). The best tapes to use are Type III or Type III XT - these are 10/20 or 15/30Gb devices and the cheapest options as well as the most widely used. All replication facilities can read these tapes (also known as DLT2000 as well).
There are other variants. DLT4000 & DLT8000. Each step up gets larger in capacity & more expensive as well. Plus despite what we are told, DLT is not as backwards compatible as it might be, and not all facilities can read the 8000 or the 4000 types. And it's a waste of resources as you will be writing 4.38Gb to a tape that can hold up to 80Gb.



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