| We all know, just a few days ago, Toshiba | | | | than a regular DVD disc? |
| announced they will give up developing, | | | | Both Blu-ray and HD-DVD discs have the same |
| manufacturing and marketing HD-DVD products. After | | | | physical size of DVD discs (and CDs), with a diameter |
| all, the "next-generation format war" ends up. And | | | | of 12 cm (120 mm, around 4 ¾"). |
| we also know, Blu-ray Disc and HD-DVD are two | | | | As we can see in Video Converter Software and |
| new optical storage technologies that were the two | | | | Hardware Review Blog, technologically speaking |
| sides fighting for the war, that who's going to be the | | | | Blu-ray and HD-DVD are very similar, the main |
| successor of DVD. Is it really true that DVD has its | | | | difference between the two being the storage |
| days tapered off? | | | | capacity. |
| DVD is great. It can store movies, music, and even | | | | A single-layer Blu-ray disc can hold up to 25 GB, while |
| backup data with a DVD burner like Nero. Of course, | | | | a single-layer HD-DVD disc can hold up to "only" 15 |
| all the stored can be also conversely ripped out with | | | | GB. A dual-layer Blu-ray disc can store up to 54 GB, |
| DVD ripper software like ImTOO DVD Ripper | | | | while a dual-layer HD-DVD can store only up to 30 |
| Ultimate. But, with the introduction of high-definition | | | | GB. |
| TV (HDTV) to the world, DVD storage capacity | | | | As we saw, on the storage size Blu-ray has a better |
| showed to be insufficient to this application. | | | | advantage over HD-DVD, even though Blu-ray discs |
| DVD supports a resolution up to 720×480 | | | | are more expensive. A single-layer Blu-ray Disc can |
| pixels, while HDTV works with resolutions as high as | | | | hold up to 25 GB while the same disc using HD-DVD |
| 1920×1080 pixels. Just to give you an idea, two | | | | technology can store only 15 GB. A dual-layer Blu-ray |
| hours of high-definition video with data compression | | | | Disc can store up to 54 GB, while the same disc using |
| requires 22 GB of storage space. Keep in mind that | | | | HD-DVD technology can store only up to 30 GB. |
| the maximum capacity of a DVD is of 17 GB, if a | | | | In terms of compatibility, both Blu-ray and HD-DVD |
| DVD-18 disc is used (a dual-sided dual-layer disc). | | | | players are capable of playing CDs and DVDs, but it |
| So how to provide a higher data storage capacity for | | | | won't be possible to read a Blu-ray disc on a HD-DVD |
| high-definition contents? Here are the two DVD | | | | player and vice-versa (it is technically possible to |
| successor candidates: Blu-ray Disc and HD-DVD. | | | | create a player that can read both formats, but it will |
| In fact, a Blu-ray Disc or a HD-DVD is just a DVD | | | | probably cost almost twice, as it will need two |
| disc with a higher storage capacity to store | | | | separated circuits inside the unit, one for each |
| high-definition contents. The main motivation to the | | | | technology, and someone are trying to...). |
| creation of a DVD successor was the introduction of | | | | For now, DVD discs continue to be a good choice for |
| HDTV, which requires a higher disc storage capacity, | | | | the average Joe. If you are not a technology freak, |
| feature a regular DVD cannot provide. But how a | | | | why not just keep going with your Nero and |
| Blu-ray Disc or a HD-DVD is able to store more data | | | | ImTOO? |