The Origins
Sony/Philips started two projects applying the new diodes: UDO (Ultra Density Optical), and DVR Blue (together with Pioneer), a format of rewritable discs that would eventually become Blu-ray Disc (more specifically, BD-RE). The core technologies of the formats are essentially similar.
Some origins
The first DVR Blue prototypes were unveiled at the CEATEC exhibition in October 2000. On February 19, 2002, the project was officially announced as Blu-ray Disc, and Blu-ray Disc Founders was founded by the nine initial members.
The first consumer device was in stores on April 10, 2003. This device was the Sony BDZ-S77, a BD-RE recorder that was made available only in Japan. The recommended price was US$3800;[12] however, there was no standard for prerecorded video, and no movies were released for this player. The Blu-ray Disc standard was still years away, as a newer, more secure Digital Rights Management (DRM) system was needed before Hollywood studios would accept it.
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