YIAN HUNG CO., LTD. -- DVD Video Disc Product Info.

Remarks:
Store at least 133 minutes of high quality video, about 7 times capacity of a CD.
MPEG Encoding, with best resolution of 720*525(NTSC) pixels.
High quality sound technology provides digital surround sound.
Content Scramble System for copyright protection. 4 Types of DVD;
Single Sided with Single Layer DVD-5 --4.7GB
Single Sided with Double Layer DVD-9 --8.5GB
Single Sided with Single Layer DVD-10 --9.4GB
Double Sided with Double Layer DVD-18 --17GB