Is Blu-ray the same thing as HD-DVD?
No, HD-DVD, also known as AOD (Advanced Optical Disc) is the name of a competing next-generation optical disc format developed by Toshiba and NEC. The format is similar to Blu-ray and also utilizes blue-laser technology to achieve a higher storage capacity. The rewritable versions of the discs will be able to hold 20GB on a single-layer disc and 32GB on a dual-layer disc, while the read-only discs only will be able to hold 15GB on a single-layer disc and 30GB on a dual-layer disc. The read-only version of the format has been approved by the DVD Forum as the successor to the current DVD technology. 3.2 What’s the difference between Blu-ray and HD-DVD? UPDATED Parameters BD BD HD-DVD HD-DVD Recording capacity 25GB 50GB 20GB 32GB Number of layers single-layer dual-layer single-layer dual-layer Laser wavelength 405nm 405nm 405nm 405nm Numerical aperture (NA) 0.85 0.85 0.65 0.65 Protection layer 0.1mm 0.1mm 0.6mm 0.
HD-DVD is a competing next-generation optical disc format developed by Toshiba and NEC. Although the format uses the same principle of blue laser technology it is quite different from Blu-Ray. Are BD devices compatible with CDs and DVDs?The BD specifications do not dictate backwards compatability. It is up to manufacturers to consider this requirement and build in compatability as required. Visit for more information Blu-ray-technology.
No, HD-DVD was the name of a competing next-generation optical disc format developed by Toshiba and NEC. Toshiba has recently announce the discontinuation of HD-DVD support and development 3.2 What benefits does Blu-ray offer compared to HD-DVD?> Although both Blu-ray and HD-DVD are similar in many aspects, there are some important differences between them. The first is capacity. Because Blu-ray utilizes a lens with a greater numerical aperture (NA) than HD-DVD, the laser spot can be focused with greater precision to fit more data on the same size disc. Blu-ray can store up to 25 GB on single layer compared to 15 GB for HD-DVD The second is content. The Blu-ray has garnered more support from movie studios. With the demise of HD-DVD, all of the movie studios have pledged their support for the Blu-ray platform.
No, HD-DVD is the name of a competing optical disc format developed by Toshiba and NEC. The format is quite different from Blu-ray, but also relies heavily on blue-laser technology to achieve a higher storage capacity. The format is being developed within the DVD Forum as an official successor to the current DVD technology.
No, HD-DVD (previously known as AOD) is the name of a competing next-generation optical disc format developed by Toshiba and NEC. The format is quite different from Blu-ray, but also relies heavily on blue-laser technology to achieve a higher storage capacity. The format is being developed within the DVD Forum as a possible successor to the current DVD technology.
