Disc Protection and DVD Characteristics
ON HANDLING DISCS | ON STORING DISCS |
Do not touch the playback side of the disc. Do not attach paper or tape to disc.
Playback side
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 bathroom or near humidifier. 
Store discs vertically in a case. Stacking or placing object on discs outside of their case may cause warping.
ON CLEANING DISCS | STRUCTURE OF DISC CONTENTS |
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 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 a thinner, benzene, commercially available cleaners or anti- static spray for vinyl LPs. It may damage the disc.
Normally, DVD discs are divided into titles, and the titles are
Compare DVD disc with other discs:
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| DVD |
| LD | SVCD | VCD | CD | |||||
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Encode |
| Digital/MPEG |
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| Analog | Digital | Digital/ | Digital | ||
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method |
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| MPEG I |
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| Single- | Double | Single- |
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Capacity | side | side |
| side |
| 650MB | 650MB | 650MB | ||||
single- | single | double- |
| double- |
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| layer | layer |
| layer |
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| 4.7G | 8.5G | 9.4G |
| 17G |
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Playing Time | 133 | 242 | 266 |
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| 484 | 60 minutes | 45 minutes | 74 minutes | 74 minutes | |
minutes | minutes | minutes |
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| 120 minutes |
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Disc diameter |
| 12cm/8cm |
| 30cm/20cm | 12cm | 12cm | 12cm/8cm | |||||
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Horizontal |
| More than 500 line |
| No more than | No more than | No more than |
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resolution |
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| 430 line | 350 line | 250 line |
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Picture |
| Multiple kinds |
| One kind | One kind | One kind |
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proportion |
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Subtitle |
| 32 kinds |
| 16 kinds | 4 kinds |
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| at most |
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Language |
| 8 kinds |
| 4 kinds | 4 kinds | 2 kinds | 2 kinds | |||||
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| at most | at most | |||||||||
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Sound quality |
| 48KHz, 96KHz/ |
| 44.1KHz/ | 44.1KHz/ | 44.1KHz/ | 44.1KHz/ | |||||
| 6, 20, 24bit |
| 16bit | 16bit | 16bit | 16bit | ||||||
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30
