Submitted To: Submitted By:Ms. Kanika Jindal Sunil Kr. PaswanMr. Devendra Pratap Singh Roll No-1213331211 Ms. Gitanjali Anand

A SEMINAR PRESENTATION

onBLU-RAY DISC TECHNOLOGY

CONTENTS

•INTRODUCTION

•MOTIVATION

•TECHNOLOGY DISCRIPTION

•CIRCUIT DIAGRAM

•ADVANTAGE/DISADVANTAGE

•FUTURE ASPECT

•REAL TIME APPLICATIONS

•REFERENCES

INTRODUCTION

•Blu-ray, also known as Blu-ray Disc (BD) is the name of a next-generation optical disc format. 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.

CD DVD

BLU-RAY

MOTIVATION

•High capacity storage of video and data• 1080p high definition video support•Uncompressed surround sound.• Increased data transfer rate.•Better scratch resistance .

TECHNOLOGY DESCRIPTION

•Blu-ray systems use a blue-violet laser operating at a wavelength of 405 nm. •Hard-coating Technology•Pits •Bumps•Track pitch

CIRCUIT DIAGRAM

ADVANTAGE

• Record high-definition television (HDTV) without any quality loss.• Instantly skip to any spot on the disc. •Record one program while watching another on the disc. •Automatically search for an empty space on the disc .

DISADVANTAGE

•Very expensive technology•You will need a 1080P TV to really see the difference• Not widely used by the general public

FUTURE ASPECTS

•Blu-ray discs will definitely change the future of the video industry•The Blu-ray discs have won the battle against HD DVDs and will continue to grow•Eventually Replace the DVDs as the standard disc format

REAL TIME APPLICATION

REFERENCES

•www.digitaljournal.com•www.blu-ray.com•www.docstoc.com •www.slideshare.net•En.Wikipedia.org