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DICS PROTECTION AND DVD CHA
RACTERSTICS
Compare DVD disc with other discs;
DVD LG
SVCD VCD CD
Encode
m
ethod
Digital/MPEG
ý Analog Digital Digital/MPEG 1 Digital
Capacit
y
Single-
side
Single-
layer
4.7G
Double
-side
Single
-
layer
8.5G
Single-
Side
Double-
Layer
9.4G
Double-
Side
Double-
Layer
17G
650MB
650MB
650MB
Playing
Time
133
minutes
242
minutes
266
minutes
484
minutes
Single-side
60 minutes
Double-side
120 minutes
45 minutes
74 minutes
74 minutes
Disc diameter 12cm
30cm/20cm 12cm 12cm 12cm
Horizontal
resolution
More than 500 line No more than
430 line
No m
ore than
350 line
No more than
250 line
Picture
proportion
Multiple kinds One kind One kind One kind
Subtitle 32 kinds 16 kinds 4 kinds
Sound quality 48khz, 96khz/
6, 20 ,24bi
t
44.1khz/
16bit
44.1khz/
16bit
44.1khz/
16bit
44.1khz/
16bit
ON HANDLING DISCS
Do not touch the playback side of the disc.
. Do not attach paper or tape to disc.
ON CLEANING DISCS
Fingerprints and dust on the disc cause picture and sound deterioration.
Wipe the disc from the centre outwards with a soft cloth. Always keep the disc
clean.
If
you can not wipe off the dust with a soft cloth, wipe the disc lightly with
a slightly moistened soft cloth and finish with a dry cloth.
Do not use any type of solvent such as thinner, benzene, commercially
available cleaners or anti-static spray for vinyl Lps. It may damage the disc.
ON STORING DISCS
Do not store discs in a place subject to direct sunlight or near heat
source,
Do not store discs in place subject to moisture and dust such as a
bathroom or near a humidifier.
Store discs vertically in a case. Stacking or placing object on discs
outside of their case may cause warping.
STRUCTURE OF DISC CONTENTS
Normally, DVD discs are divided into titles, and the titles are sub-divided
into chapters. Audio CD are divided into tracks.
Each title, chapter, or track is assigned a
number, which is called title
number, chapter number or track number respectively.
There may be discs that do not have these number .