What is Bul ray disc
Have you ever doubt what Blu Ray? When you Products walking to the TV and DVD player division .Why do sales people have to say that This version supports Blu-ray too. So today I had to leave an article. Will you understand that Blu Ray is Blu Ray is new dvd discs technology, the Blu-ray discs that can provide details of the picture and sound at a high level (High Definition), which in the near future, Blu Ray discs will replace DVD . Blu-ray Disc (BD) This name was published in the February of 2002 to develop the optical storage media (Optical Media Storage) developed a new type of DVD for storing high-definition video. (High-definition) BD was developed by a group of manufacturers of electrical and computer Total crashes together a Blu-ray Disc Association (BDA).
Out on HD DVD for a little about this script, it is expected that many people have heard of.
HD DVD (High Density Digital Versatile Disc, High Definition Digital Video Disc) was developed at a time near the BD to compete as the new standard of the recording material with a light (like a DVD with DVD-R and DVD + R). camps to support the Toshiba, NEC, Sanyo, Microsoft, HP and Intel, but also stop the development of this standard. (Discontinued) to February 2008.
Type of Blu-ray Discs.
BD-ROM: similar to DVD-ROM and CD-ROM, which must be produced from a pump in the factory.
BD-R: disc can be written once.
BD-RE: Can rewritable discs. (Re-recordable) and writing / remove the disc similar to DVD-RW and CD-RW BD-RE by using substances that change the status of tiered storage. When this is shot with a laser to change the status of the material back and forth a thousand times.
Reading and writing BD uses light blue (Blue laser) length 405 nm. Different from the DVD using light red (Red laser) length 650 nm. And CD using light red length. 780 nm. 
Prior to the evolution of Blu Ray.
At the start of the first period when the children I have video tape player that can play a tape (VHS) after it has come in the VCD player market with its size, size, and price of the VCD player in the videotape at that time almost extinct. Not long after the player DVD Player came into the market. The DVD player prices fell rapidly. As well as can play both DVD and VCD discs making it a popular fast. In the near future player Blu Ray and disc Blu Ray will replace DVD offline, which is now in the market are selling the player Blu Ray Player several brands, such as the Sony, Pioneer, Sharp, Panasonic, Samsung, LG Snnrnrcr from approximately Main oven hundred thousand to month as well as Blu Ray discs released several issues. The price is around thousand Baht The picture quality was noticeably sharper DVD and most importantly, LCD TV and Plasma TV currently supports almost all versions of Blu Ray, then they all come with that Blu Ray of course. 
What better Blu Ray DVD.
- More capacity.
The capacity of Blu-ray Disc.
Standard 12cm discs.
BD-R Single layer 25GB (23866 MB).
BD-R Dual layer 50 GB (47732 MB).
BD-RE Single layer REwriteable 25 GB (23866 MB).
BD-RE Dual layer REwriteable 50 GB (47732 MB).
Small 8cm discs.
BD-R Single layer 7.8GB (7430 MB).
BD-R Dual layer 15.6GB (148605 MB).
BD-RE Single layer REwriteable 7.8 GB (7430 MB).
BD-RE Dual layer REwriteable 15.GB (148605 MB).
Speed read / write disc Blu-ray Disc.
1x = 4.29 MB / sec (equivalent to 3.3x the DVD, 29.3x of the CD).
2x = 8.57 MB / sec (equivalent to 8.57x of the DVD, 58.5x of the CD).
4x = 17.15 MB / sec (equivalent to the 13x DVD, 117.5x's CD).
Speed read / write Is limited by the capabilities of the hardware to read and write in the future BD BDA is trying to speed read and write more than 8x. - High Definition pictures sharper.
- Resolution of Blu Ray at 1080p (1080 lines), while the DVD is 576p (576 lines). - Sound uncompressed High Definition.
- High Definition Audio with Dolby True HD (the desktop of the camps Dolby) and DTS HD Master (the top of the camp DTS), which is available from the disc Blu Ray. - Blu Ray discs player can play a DVD, but DVD player cannot play Blu Ray discs.
Why is called Blu Ray.
Because the read header of the Blu Ray discs are purplish blue beam shot. Which one are smaller than read header of the DVD discs are red light then Blu Ray discs read information on disc is better
Summary.
Blu Ray player and discs is the latest generation (step angle) picture and sound with high-definition High Definition DVD will replace offline in the future.
Now that the Blu Ray disc player and the Blu Ray disc movies Holly Blu Ray disc Hollywood, Blu Ray disc comics, Blu Ray disc concerts, Blu Ray disc documentaries, it can be purchased at the Consumer Electronics Division and Blu Ray Shop also internet Blu Ray disc shop
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