7 cs102 dvd report (2)

[object Object],[object Object]

[object Object],[object Object],[object Object]

DVD Storage Capacity ,[object Object],[object Object],Specification CD DVD Track Pitch 1600 nanometers 740 nanometers Minimum Pit Length (single-layer DVD) 830 nanometers 400 nanometers Minimum Pit Length (double-layer DVD) 830 nanometers 440 nanometers

DVD Storage Capacity ,[object Object],[object Object],[object Object],[object Object]

DVD Storage Capacity ,[object Object],[object Object],Format Capacity Approx. Movie Time Single-sided/single-layer 4.38 GB 2 hours Single-sided/double-layer 7.95 GB 4 hours Double-sided/single-layer 8.75 GB 4.5 hours Double-sided/double-layer 15.9 GB Over 8 hours

DVD drive speeds Drive speed Data rate ~Write time (min) (Mbit/s) (MB/s) (MiB/s) SL DL 1× 11.08 1.39 1.32 57 103 2× 22.16 2.77 2.64 28 51 2.4× 26.59 3.32 3.17 24 43 2.6× 28.81 3.60 3.43 22 40 4× 44.32 5.54 5.28 14 26 6× 66.48 8.31 7.93 9 17 8× 88.64 11.08 10.57 7 13 10× 110.80 13.85 13.21 6 10 12× 132.96 16.62 15.85 5 9 16× 177.28 22.16 21.13 4 6 18× 199.44 24.93 23.78 3 6 20× 221.60 27.70 26.42 3 5 22× 243.76 30.47 29.06 3 5 24× 265.92 33.24 31.70 2 4

DVD Players ,[object Object],[object Object],[object Object],[object Object],[object Object]

As the laser moves outward from the center of the disc, the bumps move past the laser at an increasing speed.

DVD-ROM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DVD-RAM ,[object Object],[object Object]

[object Object],[object Object],A DVD-RAM Type 2

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DVD-R ,[object Object],[object Object],DVD capacity Disk Type Data sectors (2,048 B each) Capacity bytes GB DVD-R (SL) 2,298,496 4,707,319,808 4.7 DVD+R (SL) 2,295,104 4,700,372,992 4.7 DVD-R DL 4,171,712 8,543,666,176 8.5 DVD+R DL 4,173,824 8,547,991,552 8.5 SL / DL – Single/Dual layer

Speed Drive speed Data rate (MB/s) Data rate (Mbit/s) Write time for single-layer DVD-R 1X 1.32 MB/s 10.56 Mbit/s 60 minute 2X 2.64 MB/s 21.12 Mbit/s 30 minutes (CLV) 4X 5.28 MB/s 42.24 Mbit/s 15 minutes (CLV) 8X 10.56 MB/s 84.48 Mbit/s 8 minutes (Z-CLV) 16X 21.12 MB/s 168.96 Mbit/s 5.75 minutes (CAV) 18X 23.76 MB/s 190.08 Mbit/s 5.5 minutes (CAV) 20X 26.40 MB/s 211.20 Mbit/s 5 minutes (CAV) 22X 29.04 MB/s 232.32 Mbit/s 4.5 minutes (CAV) 24x 31.68 MB/s 253.44 Mbit/s ~4.0 minutes (CAV)

DVD-R vs. DVD+R ,[object Object],[object Object],[object Object]

DVD-RW ,[object Object],[object Object],[object Object]

DVD+RW ,[object Object],[object Object],[object Object],[object Object],[object Object]

DVD-Audio ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DVD-Video ,[object Object],[object Object],[object Object]

7 cs102 dvd report (2)

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