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General Information, Facts & Tables
[CD / DVD Specifications]

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Overview

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Because DVD movie release dates are different in different countries, a system of ensuring that a DVD created for one part of the world cannot be played in another region has been used. The DVD region codes are encrypted into both a DVD player and each DVD movie.
 

DVD Region Codes

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Code

Region

1

Canada, United States, US Territories.

2

Egypt, Europe, Japan, Middle East, South Africa.

3

East Asia, South East Asia.

4

Central America, South America, Caribbean, Australia, New Zealand, Pacific Islands.

5

Africa, Former Soviet Union, Indian Subcontinent, Mongolia, North Korea.

6

China.

 

DVD Quality Levels

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Designation

Name

Recording Time

Data Rate

Resolution

HQ

High Quality

1 Hour

9.72 Mbps

720 x 480

SP

Standard Play

2 Hours

5.07 Mbps

720 x 480

LP

Long Play

3 Hours

3.38 Mbps

360 x 480

EP

Extended Play

4 Hours

2.64 Mbps

360 x 480

 

CD / DVD Standards

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Book

Name

Application

Standard

Book A

DVD-ROM

Data Distribution

-

Book B

DVD-Video

Consumer Video Playback

-

Book C

DVD-Audio

Consumer Audio Playback

-

Book D

DVD-R

Write Once Data Storage

-

Book E

DVD-RW

Rewritable Data Storage

-

Red Book

CD-DA

Consumer Audio Playback

ISO -10149

Scarlet Book

SA-CD

Super Audio CD

Pending

Orange Book

CD-R / CD-RW

Writeable and Rewritable Data Storage

-

Yellow Book

CD-ROM

Data Distribution

ISO 10149:1989 (E)

Green Book

CD-i

Interactive CD's

-

Blue Book

CD-Extra / CD-Plus

Stamped Multi Session CD's

-

White Book

CD-V

Consumer Video Playback

-

The standards for CD's / DVD's are referred to as books.
 

CD / DVD Speed Factors

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CD Factor

DVD Factor

Raw Data Rate

1x

0.17x

4.32 Mbps

2x

0.33x

8.64 Mbps

4x

0.67x

17.30 Mbps

6x

1.00x

26.20 Mbps

12x

2.00x

52.40 Mbps

18x

3.00x

78.60 Mbps

20x

3.30x

86.40 Mbps

24x

4.00x

105.00 Mbps

30x

5.00x

131.00 Mbps

36x

6.00x

157.00 Mbps

40x

6.70x

173.00 Mbps

 

Digital Sampling Rates

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The table below lists the common sample rates used for digital audio files, and their application.

Rate (Hz)

Application

5563.6

Apple Macintosh (Lowest Quality)

7 418.3

Apple Macintosh (Low Quality)

8 000.0

Telephone Standard

8 012.8

NeXT Workstations

11 025.0

PC (Low Quality) 1/4 CD Rate

11 127.3

Apple Macintosh (Medium Quality)

16 000.0

G.722 Compression Standard

18 900.0

CD-ROM/XA Long Play Standard

22 050.0

PC (Medium Quality) 1/2 CD Rate

22 254.5

Basic Apple Macintosh Rate

32 000.0

Digital Radio / NICAM / Long Play DAT / HDTV

37 800.0

CD-ROM/XA Higher Quality Standard

44 056.0

Professional Video Systems

44 100.0

Basic CD Standard

48 000.0

DVD / Audio Codec 1997 / Professional Audio Recording

96 000.0

DVD at Highest Quality

CoDec is an abbreviation for Code Decode or Compressor Decompressor.