What is DVD?
• ‘DVD’ is a digital versatile disc.
• It looks exactly like a CD, but unlike CD it also contains visual data.
• The disc has from seven to fourteen times capacity of a normal CD.
What does a DVD disc play on?
• DVD discs will play on a DVD machine or on PC’s that have a DVD Rom drive and a DVD card. The cost for either option is approximately the same.
• CD’s will also play on the DVD machine or PC.
Picture Quality
• VHS video has approximately 350 lines of resolution whereas DVD can have up to 625.
Audio Quality
• DVD hardware has ‘AC3’ or ‘Dolby Digital’, which gives 5.1 channels of sound. This is made up of a centre speaker, two front speakers, two true stereo rear speakers and a sub woofer.
DVD formats
• DVD5 – Single Sided Disc – allows approximately 120 minutes of audio and visual running time.
• DVD10- Double Sided Disc – allows approximately 120 minutes of audio and visual running time on each side of the disc.
• DVD9 – Dual Layer Disc – two layers on one side allowing approximately 240 minutes of non-interruptive play.
• DVD18- Double Sided Dual Layer Disc – allows approximately 240 minutes of running time on each side.
What can a DVD disc do?
It gives you the opportunity of watching the film with many added features*:
• Quality of sound and picture second to none.
• The opportunity of viewing selected scenes from up to nine different camera angles.
• Being able to access immediately (like an audio CD) different parts of the film.
• The opportunity of accessing biographies/interviews from members of the cast and crew.
• Music DVD titles can be played just like a CD with the television switched off.
• Immediate translation into up to eight different languages.
• The choice of up to thirty-two different languages for subtitles.
The contents and interactivity of the disc is dependent upon what the video studio chooses to include.
.....Releasing Studios