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BLU-RAY DISC

BLU-RAY DISC. PAPER PRESENTATION ON. BY N.Revathi Devi. Introduction. 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

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BLU-RAY DISC

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  1. BLU-RAY DISC PAPER PRESENTATION ON BY N.Revathi Devi

  2. Introduction • 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 • 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.

  3. Working of Blu-Ray • Blu-ray has reduced the track pitch from 0.74 microns to 0.32 microns. The smaller pits, smaller beam and shorter track pitch together enable a single-layer Blu-ray disc to hold more than 25GB of information about five times the amount of information that can be stores on a DVD.

  4. Single Layer BD • A single-layer BIu-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.

  5. Double Layer BD • A double-layer Blu-ray disc can store up to 54 GB, enough to hold about 4.5 hours of high-definition video or more than 20 hours of standard video.

  6. Blu-Ray Vs DVD Capacity

  7. ADVANTAGES OF BD • Record High-Definition Television (HDTV) without any quality loss • Record one program while watching another on the disc • Edit programs recorded on the disc • Automatically search for an empty space on the disc to avoid recording over a program • Access the web to down load subtitles and other extra features

  8. CD vs. DVD vs. Blu-Ray writing

  9. BLU-RAY VS OTHER NEW DISC FORMATS • The other big player is HD_DVD, also called AOD (Advanced Optical Disc). HD-DVD BLU-RAY • Single Layer 20GB 27GB • Double Layer 30GB 54GB • Other Discs like China has introduced the Enhanced Video Disc (EVD), Taiwan has created the Forwarded Versatile Disc(FVD). • There are also professional versions of the Blu laser technology. Sony has developed XDCAM and ProData (Professional Disc for Data).

  10. APPLICA TIONS • Stand Alone Recorders and Game Controller • PC Data Storage

  11. CONCLUSION • Blu-ray disc has been a consistent road map to emerging disc technologies. Blue-ray can store up to 54 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. • It’s very likely that the technology will be adopted as the next generation optical disc format for PC data storage and replace technologies such as DVD+-R, DVD+-RW, and DVD-RAM.

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