How much video can you fit on a Blu-ray disc?
It depends on the video code employed and whether the disc is single or dual layer: High Definition (HD): When recording with MPEG2 compression, a 25GB disc is able to record approximately 2 hours 48 min. or 5 hours 36 min. of High Definition (HD) video on a 50GB disc. * All record times based on 19.4Mbps United States ATSC Broadcast Rate and MPEG-2 encoding. • Does Blu-ray Disc require a cartridge? No. The development of new low cost hard-coating technologies has made the cartridge obsolete. Blu-ray Disc will instead rely on hard-coating for protection, which when applied will make the discs even more resistant to scratches and fingerprints than todays DVDs, while still preserving the same look and feel. • Does Blu-ray Disc require an Internet connection? No. You will not need an Internet connection for playback of Blu-ray Disc movies. The Internet connection will be used for value-added features such as downloading subtitles, movie trailers, web browsing, etc. It will also be require
