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8.5GB Dual Layer DVDs PDF Print E-mail
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Written by Chaser Staff   
Monday, 23 August 2004
 Recently, my father approached me with a request to digitalize the old VHS tapes of my grandfather’s funeral. Times have changed and the method of preserving memories on magnetic tapes usurped by the rapid rise of the DVD technology -- a more accessible and affordable medium for the public. DVD media offers the quality and storage space that neither VHS nor CD can. Features such as progressive scan and Dolby Digital Surround Sound can only be found in DVDs and neither VCDs or SVCDs (the video formats for CDs). Software giant Adobe sees the great potential in the DVD and as a result, has decided to include a feature that allows DVD export on a number of its products.

Currently, the most popular DVD is the 4.7 GB variant (which actually only holds 4.38 GB of data). However, even with vast amounts of storage space, I am still confronted with the eternal conflict between length and quality. The first of the many funeral tapes is about 2 hours long, and in Adobe Premiere Pro 1.5, the export of such project requires about 4.7 GBs under standard NTSC 4:3 interlace. Furthermore, if I wanted to add progressive scan with Dolby Digital Surround Sound, it would require over 7 GB of usable space.

There of course are compression settings that will allow me to fit a tape on a 4.7 GB DVD, but obvious trade off is quality. If this were a DVD about when my friend puked up a copious amount of brew on his 21st birthday I would gladly knockdown the quality a few notches and fit the 6 hours of video on a 4.7 GB DVD. However, this situation is quite different and I want to preserve these more important memories in perfect quality. Thus, progressive scan with Dolby Digital is the way to go!

So now, I have to split everything in twos. I have to split the project into two subprojects, and I have to continuously check on the progress of the encoding and burning of the first subproject to know when I can start on the second subproject. When a minor complication is experienced in this progress it is significantly multiplied in difficult, and tends to end up equaling a huge pain in the ass.

The only solution that I can surmise is that of newer technology. I turn to the newly public Google to aid in my quest.

After a little research I discover something known as Dual Format which allows a writeable DVD to hold up to 8.5 GBs of space… or so the companies claim. Basically, in this newer DVD disc, there are two layers of super-secret dye, separated by some really important stuff (that I’m not going to waste time trying to explain to you), allowing information at different depths to be read by a variable laser length. Of course, these special discs require special drives – doesn’t everything?

So how’s the pricing you wonder? The Sony DRU-700A is retailed at around $199 and is “eBayed” from $100 to $170, the NEC ND-2510A OEM goes for $79, and the Liteon LDW-401S is practically dirt cheap at $63. Those are some good deals (trust me on this, as my nickname ‘round these parts is the “Dumpster Diver”) on some great drives! I feel like an idiot for spending $130 on my TDK DVD burner. Go ahead fellow geeks, laugh away... I will have the final triumph!

Before you go typing your credit card information away, remember we must first look at the price of the media. Investing in a burner is a lot like investing in a printer, before you buy the printer you have to first look at the price tag of the ink. And apparently, demand for the 8.5 GB DVD +R is much higher than the supply. A pack of 25 disc cost about $250! That’s ten-goddamn-dollars per disc. Perhaps, you with your stable job, a house, and wife with 2.5 children, can afford such fine living. However, a typical college student cannot because he is trying to get by without dipping into his beer and porn fund – the two essential aspects to living.

If history has taught us anything other than that Russell Crowe makes a fine Roman, it’s that technology will lose its value dramatically in relatively short periods of time. A blank brand name CD runs for about $0.07 or $0.10 USD now after rebate, the 4.7 GB DVD media has dropped to about $0.35 to $0.50, and the price for the 8.5 GB DVD media will one day fall as well.

So ultimately, I am stuck with this pain in my ass, but in a few months or so, if I am ever confronted by such a request again, I will have a better solution than the 2 disc method and the certainty of Ulcerative Colitis that comes with using it. For the rest of you that don’t have any special need for a dual layer DVD burner at this point, I’d suggest waiting a few months before purchasing. You’ll most certainly save yourself some money on the device, and hopefully a lot more on the discs that must be purchased along with them.

DVD Links:

- Sony DRU-700A
- NEC ND-2510A
- Tom's Hardware Guide Mass Storage

- Minh Nguyen

 
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