DVD
Digital “Versatile” Disc – more than just video
Delivery of video is now easier than ever with DVD technology. At Sonrise we offer both pressed DVD’s and burned DVDR’s. Turn times vary depending on the production method you choose. We can mold (press) DVD’s in quantities as low as 250, and have managed projects in excess of 50,000 units. The process is identical regardless of the size of the order. A glass master is made from your master DVDr and then your content is pressed right into the liquid polycarbonate plastic. The content cannot be written over, and the surface is more resistant to scratching than a duplicated (burned) disc.
DVD replication is identical to CD, however the process of creating a master disc is quite different. “Authoring” involves arranging the content on your DVD into chapters or sections so the user can select content from an on-screen menu using their mouse or tv remote. You’re not limited to video only. Audio, PDF, powerpoint presentations can all be incorporated onto a DVDrom, even though some of these formats cannot be accessed on a standard DVD player.
Each layer of data on a DVD disc allows up to approximately 133 minutes of full motion MPEG-2 video. This amount of playing time allows for 95% of all movies to be contained on one disc side. DVD supports variable bit data rates, which efficiently increase digital video playback quality. DVD players and drives are capable of seamless switching between the two layers of information on each disc side.
DVD capacity:
DVD-5 | 1 layer on 1 side | 4.7 Gb | DVD book A
DVD-9 | 2 layers on 1 side | 4.27 Gb per layer | DVD book B
DVD-10 | 1 layer on 2 sides | 4/7 Gb per side | DVD book B
DVD-Rom
DVD-ROM is another application of DVD technology. DVD-ROM can be considered as a super-sized CD-ROM that is used for data storage or application development. Where standard CD-ROM capacity is 650 megabytes, a DVD-5 allows for 4.7 gigabytes or 4,813 megabytes. This means you can put over 7 CDs of information on a DVD-5.
DVD-ROM drives are now standard on all desktopPCs. Most DVD-ROM drives are multi-read capable, meaning that they can read older CDROM discs, audio CDs, and CD-Recordables. DVD-Audio and DVD-Video are specific applications and sub-sets of the larger DVD-ROM Spec. Because of this unique arrangement, a DVD-ROM software developer has access to DVD-Audio and DVD-Video capabilities, allowing for incredible multi-media products to be created. Not only can discs be created for computers, but hybrid discs of DVD-Audio, Video, and software content can be developed for use in all three types of players/drives. Creating a DVD-ROM disc image that does not include DVD-Audio and DVDVideo data requires only Pre-Mastering prior to manufacturing. To include DVDAudio and DVD-Video components with a DVD-ROM application requires encoding and Authoring.
