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The compact disc (CD) is a digital optical disc data storage format co-developed by Philips and Sony to store and play digital audio recordings. It employs the Compact Disc Digital Audio (CD-DA) standard and is capable of holding uncompressed stereo audio. First released in Japan in October 1982, the CD was the second optical disc format to reach the…
History & Standards
Explore the main themes, entities and connections around Compact disc. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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cd disc audio philips compact format digital data sony discs standard music cds players optical video cd-rom book used first
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Compact disc | Capacity | 650–870 MiB data | 1.00 | infobox |
| Compact disc | Capacity | 74–99 minutes audio | 1.00 | infobox |
| Compact disc | Developed by | Philips · Sony | 1.00 | infobox |
| Compact disc | Dimensions | Diameter: 120 mm (4.7 in) | 1.00 | infobox |
| Compact disc | Dimensions | Thickness: 1.2 mm (0.047 in) | 1.00 | infobox |
| Compact disc | Extended from | LaserDisc | 1.00 | infobox |
| Compact disc | Extended to | CD-RW | 1.00 | infobox |
| Compact disc | Extended to | DVD | 1.00 | infobox |
| Compact disc | Extended to | Super Audio CD | 1.00 | infobox |
| Compact disc | Media type | Optical disc | 1.00 | infobox |
| Compact disc | Read mechanism | 780 nm laser diode | 1.00 | infobox |
| Compact disc | Released | JP: October 1982 (1982-10) | 1.00 | infobox |
| Compact disc | Released | NA/EU: March 1983 (1983-03) | 1.00 | infobox |
| Compact disc | Standard | Rainbow Books | 1.00 | infobox |
| Compact disc | Usage | Audio storage | 1.00 | infobox |
| Compact disc | Usage | Computer data storage | 1.00 | infobox |
| Compact disc | Write mechanism | 780 nm laser diode | 1.00 | infobox |
| Compact disc | is a | evolution of LaserDisc technology | 0.90 | text |
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