Blue Ray Disc

This thing will surely replace our DVD`s, it just a matter of time when...just like what happen to BETAMAX tapes in the 80`S to VHS to Laser Disc to VCD to DVD then here comes the Blue Ray Disc..Players and recorders are now very much available in the market. Wonder why magkakaroon ng pirated blue ray sa Quiapo..Technology innovation is enevitable for sure.

Excerpts from yahoo news recently:Sept 13,2007 news from PCworld:
"Sony Corp. is increasing its bet on Blu-ray Disc and plans to ditch DVD and use the high-definition video disc format in all future digital video recorders in Japan, the company said Wednesday.
The announcement was made at the same time as Sony, the biggest backer of the technology, unveiled four new Blu-ray Disc video recorders. They include support for dual-layer discs-- something that was missing from models announced this time last year-- and can transcode video into the more efficient MPEG4 AVC format to increase recording time per disc.
A 50G-byte Blu-ray Disc typically holds just over 4 hours of HDTV when the over-the-air MPEG2 stream is recorded directly to the disc. By transcoding this stream to MPEG4 AVC it's possible to squeeze 16 hours of HDTV onto the same disc".

Blu-ray, also known as Blu-ray Disc (BD), is the name of a next-generation optical disc format jointly developed by the Blu-ray Disc Association (BDA), a group of the world's leading consumer electronics, personal computer and media manufacturers (including Apple, Dell, Hitachi, HP, JVC, LG, Mitsubishi, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, TDK and Thomson). The format was developed to enable recording, rewriting and playback of high-definition video (HD), as well as storing large amounts of data. The format offers more than five times the storage capacity of traditional DVDs and can hold up to 25GB on a single-layer disc and 50GB on a dual-layer disc. This extra capacity combined with the use of advanced video and audio codecs will offer consumers an unprecedented HD experience. In 1997, a new technology emerged that brought digital sound and video into homes all over the world. It was called DVD, and it revolutionized the movie industry.

The industry is set for yet another revolution with the introduction of Blu-ray Discs (BD) in 2006. With their high storage capacity, Blu-ray discs can hold and play back large quantities of high-definition video and audio, as well as photos, data and other digital content.

A current, single-sided, standard DVD can hold 4.7 GB (gigabytes) of information. That's about the size of an average two-hour, standard-definition movie with a few extra features. But a high-definition movie, which has a much clearer image (see How Digital Television Works), takes up about five times more bandwidth and therefore requires a disc with about five times more storage. As TV sets and movie studios make the move to high definition, consumers are going to need playback systems with a lot more storage capacity.


Blu-ray is the next-generation digital video disc. It can record, store and play back high-definition video and digital audio, as well as computer data. The advantage to Blu-ray is the sheer amount of information it can hold:

• A single-layer Blu-ray disc, which is roughly the same size as a DVD, can hold up to 27 GB of data -- that's more than two hours of high-definition video or about 13 hours of standard video.

• A double-layer Blu-ray disc can store up to 50 GB, enough to hold about 4.5 hours of high-definition video or more than 20 hours of standard video. And there are even plans in the works to develop a disc with twice that amount of storage.