How much data can you fit on a Blu-ray disc?
A single-layer disc can hold 25GB (DVD = 4.7GB) A dual-layer disc can hold 50GB (DVD = 8.5GB) Q: What features does Blu-ray have that DVD does not? A: Blu-ray plays back HD video with over five times the visual quality of DVD. It can hold longer films and has 6.1 and 7.1 audio. In addition it can run Java applications and BD-Live internet connectivity. Q: How can choosing to use Blu-ray rather than DVD entice consumers to purchase? A: Blu-ray may currently be seen as a premium format only being taken up by the early adopters. But it will very soon become the only format for viewing highly visual blockbuster content. Greater detail can be displayed and more extras can be included on a Blu-ray Disc™, helping to encourage purchases. Research has shown consumers will buy a disc with additional extras even though they may never access these features. Q: Can I play Blu-ray discs on my current DVD player? A: No – you will need a dedicated Blu-ray player or a PS-3 (PlayStation 3) to play
A single-layer disc can hold 25GB. A dual-layer disc can hold 50GB. To ensure that the Blu-ray Disc format is easily extendable (future-proof) it also includes support for multi-layer discs, which should allow the storage capacity to be increased to 100GB-200GB (25GB per layer) in the future simply by adding more layers to the discs.
Blu-ray Discs can hold between 25-50GB. A single Blu-ray Disc layer will hold up to 25 GB, and a Blu-ray Disc can presently hold up to two layers. However, to make Blu-ray Disc technology extendable in the future, it also includes support for multi-layer discs that would allow storage capacity to increase to 100GB-200GB by adding more layers to a disc. How much video can you fit on a Blu-ray Disc? On a 50GB disc, over 9 hours of high-definition (HD) video can be stored. In standard-definition (SD) video, a 50GB disc will hold up to 23 hours. How quickly can you read/write Blu-ray Disc data? The only limiting speed factor for Blu-ray data reading and writing is the capacity of the hardware. Since BD-ROM movies will require a 54Mbps dater transfer rate, we can expect a minimum speed of BD players to be 2x speed (72Mbps). Do Blu-ray Discs require a cartridge? No. Blu-ray Discs don’t require a cartridge as they rely on hard coating protection that makes them more resistant to scratches and
