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PREFACE
Brief Introduction to DVD
Disc Pictures
TV Screen
4:3
16:9
Pan-Scan
Letterbox
16:9
4:3
DVD is well known for its extraordinarily large capacity and outstanding audio-video quality. Its
capacity is as high as 4.7-17 GB (approximately 7-26 times the CD capacity).With 500-line
horizontal resolution for pictures and Dolby Digital 5.1 Channel surround sound, it brings a new era to
the household AV products.
Comparison Between DVD and Other Discs
Linear PCM
Digital
250 lines or
more
VCD
Digital/MPEG1
650MB
44.1KHz
12CM/8CM
74min.
350 lines or
more
SVCD
Digital/MPEG2
650MB
12CM/8CM
45min.
CD
650MB
44.1KHz/16bit
12CM/8CM
74min.
Digital/MPEG2
Double-
sided
2 layers
17G
Single-
sided
1 layer
4.7G
133min.
500 lines or more
Multiple
Dolby Digital/Linear PCM
32 types
Single-
sided
2 layers
8.5G
242min.
Double-
sided
1 layer
9.4G
266min. 484min.
DVD
48KHz,96KHz/16,20,24bit
12CM/8CM
Recording
Method
Capacity
Playback time
Disc Diameter
Horizontal
Resolution
Aspect Ratio
Subtitle
Audio
Sound Quality
Analog
Linear PCM
FM modulation
One
430 lines or
more
LD
44.1KHz/16bit
30CM/20CM
1 side 60min.
2 sides 120min.
Max. 16 types
Function Introduction
DVD discs can support as many as 8 dubbing languages and 32 subtitle languages.
DVD discs may support as many as 9 camera angles.
Some discs support user selection of various plot choices that effect the beginning, development
or end of the story all on the same disc.
Multiple aspect ratios support various TV screens.
Multiple languages and subtitles
Multiple angles
Multiple story plots
Multiple aspect ratios