Interesting Facts By Jeremy Boecker. Post-DVD Technology Blu-Ray Discs (BD) Blu-Ray Discs (BD) HD-DVD HD-DVD HVD HVD.

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Presentation transcript:

Interesting Facts By Jeremy Boecker

Post-DVD Technology Blu-Ray Discs (BD) Blu-Ray Discs (BD) HD-DVD HD-DVD HVD HVD

Comparing Blu-Ray & HD-DVD Both use Blue Laser technology (λ=405nm) Both use Blue Laser technology (λ=405nm) Both have the same physical dimensions of a CD / DVD Both have the same physical dimensions of a CD / DVD Quad-Layer technology -> 200GB/disc! Quad-Layer technology -> 200GB/disc! Blu-ray vs. HD-DVD Blu-rayHD-DVD Backers Sony, Philips, JVC, Pioneer, Panasonic, HP, Dell, Hitachi, Samsung, TDK Toshiba, NEC, Sanyo, Memory-Tech, the DVD Forum Movie Studio Support Columbia TriStar, Disney, MGM New Line, Paramount, Universal, Warner Bros. Storage Capacity Read-only: Single layer - 25 GBSingle layer - 15 GB Double layer - 50 GBDouble layer - 30 GB Rewritable: Single layer - 27 GBSingle layer - 20 GB Double layer - 54 GBDouble layer - 32 GB Cost About $10 more than today's DVDs Approximately 10 percent more than today's DVDs Advantages Greater recording and playback capacity, more interactivity Same disc structure as today's DVDs means cheaper production costs Disadvantages More expensive to produce; hasn't been able to support more advanced video compression codecs such as MPEG-2 and MPEG-4 AVC Lower storage capacity

HVD Holographic technology Holographic technology Can store 1TB to 3.9TB of data per disc! Can store 1TB to 3.9TB of data per disc! 1 Gbit/sec transfer rate 1 Gbit/sec transfer rate

The Super Audio CD (SA-CD) Uses DVD storage technology Uses DVD storage technology Music sampled at 64x more samples/sec than regular PCM sampling Music sampled at 64x more samples/sec than regular PCM sampling

Why the rainbow colors on CDs? Constructive / destructive interference of the white light Constructive / destructive interference of the white light

DTS vs. Dolby Digital DD uses many sophisticated data compression algorithms DD uses many sophisticated data compression algorithms DTS does not DTS does not Typical DD Data Rate: 448kbps Typical DD Data Rate: 448kbps Typical DTS Data Rate: 754kbps Typical DTS Data Rate: 754kbps Dolby Digital is better Dolby Digital is better

Random Cool Facts CD’s are dishwasher safe CD’s are dishwasher safe Dual-layer skip Dual-layer skip

References Blu-Ray-vs-HD-DVD-631.shtml Blu-Ray-vs-HD-DVD-631.shtml