There are several DVD formats, here is comprehesive and descriptive list:
- DVD-ROM- these have a reflective surface and can be single-sided/single-layered single-sided, single-sided/double-layered, double-sided/double-layered. They are the most similar to compact discs in appearance.
- DVD-D’s are a disposable DVD format. They are designed to be self destrutable, oxidizing within a few hours after opening and can be used for secuity reasons and are great for the environment.
- DVD Plus combines DVD and CD technologies together by providing 2 layers of technology
- DVD-R for Authoring- this is a special type of DVD-R that is used to record master DVD’s that can be used for later mass distribution copy. DVD copying software is used when replicating the master DVD.
- DVD RAM are discs that can be single or double sided and are only compatible with a small number of DVD drives.
- DVD+R were designed for recording, but you can only record once. These are most commonly used when burning DVD’s.
- DVD+RW are rewritable and can be used multiple times. These are best if you have material that you need to distribute multiple times by creating several DVD copies.
Each of these DVD formats serves a specific purpose and is compatible with specific DVD, audio and video devices. When you are evaluting which technology to use, be sure to review your frequency of use, the purpose for DVD copying or reading and the machinery and technology that you currently have in place so that you can purchase the best match for your needs.