2/06/2013

Making Your Own DVD? What You Need for DVD

By Alan Friend


Today's technology makes it easier than ever for amateur filmmakers to record their own movies with camcorders and editing software. Once you have finished making your movies, you will need to record them to blank DVDs. This will require you to have a DVD drive, DVDs and DVD software. You will also need to know the formats, capacities and recording speeds of DVDs.

DVD Drive-A DVD drive is the device that records your movies to DVDs. Most modern computers and laptops already have a DVD drive built into them. You can purchase an internal DVD drive separately and install it into an available drive bay. External DVD drives are also available which typically connect to your computer through the USB port.

Blank DVDs - A Blank DVD will of course have no data, and when you go the store, it would be a good idea to ensure you are buying DVDs instead of CD's. DVDs obviously have greater capacity and work in DVD players. There are several different formats, so make sure you are getting a compatible format.

Software-DVD software will format your movie and use the DVD drive to record the movie onto the DVD. You will typically receive this software when you purchase a DVD player, and it will often be included with your purchase of a new computer. Proprietary computer manufacturers such as Apple will need to provide their own DVD software. Non-proprietary computer manufacturers will usually provide commercial third-party software such as Pinnacle Studio or Adobe Premiere Elements.

DVD-R-Pioneer developed the DVD-R format in 1997, which most DVD players currently support. It originally used a single-layer format, although Pioneer released a dual-layer version in 2005. DVD-R can only be recorded on once, whereas DVD-RW can be rewritten over 1,000 times. The capacity of the single-layer version is 4.71 GB and the capacity of the dual-layer version is 8.5 DB.

DVD+R-The DVD+RW Alliance developed a competing DVD format known as DVD+R in 2002. The DVD+R format uses a variety of technologies that make it more reliable than DVD-R, such as Address in Pregroove. The error management system of DVD+R is also more robust. The capacities of the two formats are virtually identical.

Competition-These two formats are not directly compatible, which has resulted strong competition between the two formats. DVD drive manufacturers have responded to this format war by making hybrid drives that can use both types of DVDs. It is currently unclear as to which DVD format will eventually prevail.

Speed-The basic recording speed of a DVD is 1.32 MB/s, which is known as 1X. This speed will require approximately one hour to fill a single-layer DVD. The maximum recording speed is 24X, which will fill a DVD in about 4 minutes. Slow recording speeds typically use constant linear velocity as the writing strategy, whereas speeds above 8X generally use constant angular velocity.




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