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The Verbatim Dual Layer disc has two AZO recording layers on a single sided disc, providing nearly double the storage capacity of standard DVD R discs. Verbatim dual Layer discs are approved for high speed burning, up to 6X speed, allowing storage for up to 8.5GB of video.
It's a drive that can play Blu-ray discs and standard DVD discs. Most DVD drives can only play standard DVDs-they can not play Blu-ray discs. All Blu-ray drives can play standard DVDs, unless the DVD is not a region recognized by the Blu-ray player.
MOVs discs are connected in series to provide higher voltage ratings or to provide voltage rating between the standard increments.
Yes, Zip discs are considerably larger than standard floppy disks. A standard floppy disc is 90mm × 94mm x 3mm. Zip discs are much wider longer and thicker at 97mm x 98.5mm x 6mm. This is because internally the platter of a Zip disk had a much higher spin speed and required space to spin free of any resistance.
To give people less crappy quality discs.
BluRay discs carry high definition television and therefore store data in a high density format. A standard definition DVD player will not recognise a BluRay disc and will simply report an error if one is loaded. On the other hand, a BluRay player will not only play BluRay discs but will also handle standard DVDs. Most will also recognise and play CD format discs. Most Bluray players will also down convert the HD signal from a BluRay disc so that it can be viewed on a standard definition television. In this case, of course, the image quality will be the same as any other standard definition signal. To benefit from the high definition signal, an HD television is also required.
The 700MB discs are CDs and the 4.7GB discs are DVDs. There is no standard disc between these two.
The DVP can play dual-layer discs, which hold a formatted capacity of 8.5 GB.
The BDXL format supports 100GB and 128GB write-once discs and 100GB rewritable discs for commercial applications. It was defined in June 2010.
HiMD discs can only be used in Sony HiMD recorders. The multi-track discs that were used by Yamaha and Sony are 140 MB in capacity and only available from HHB.
Sony is a well known company that manufactured high quality DVD discs. Their prices are generally very reasonable, especially if shopping online, and they are know to produce very high quality products.