compact disc wikipedia - EAS
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Compact disc - Wikipedia
The compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. In August 1982, the first compact disc was manufactured. It was then released in October 1982 and branded as Digital Audio Compact Disc. The
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Xem thêmA CD is made from 1.2-millimetre (0.047 in) thick, polycarbonateplastic and weighs 14–33 grams. From the center outward, components are: the center spindle hole (15 mm), the first-transition area (clamping ring), the
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Xem thêmAudio CD
The logical format of an audio CD (officially Compact Disc Digital Audio or CD-DA) is described in a document produced in 1980 by the format's joint creators, Sony and Philips. The document is known colloquially as...
Xem thêmIn 1995, material costs were 30 cents for the jewel case and 10 to 15 cents for the CD. Wholesale cost of CDs was $0.75 to $1.15, while the typical
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Xem thêmRecordable CD
Recordable Compact Discs, CD-Rs, are injection-molded with a "blank" data spiral. A photosensitive dye is then applied, after which the discs are metalized and lacquer-coated. The write laser of the CD recorderchanges the color of the...
Xem thêm• 5.1 Music Disc
• Compact disc bronzing
• Comparison of popular optical data-storage systems
• Digipak
• DualDisc...
Xem thêm• Ecma International. Standard ECMA-130: Data Interchange on Read-only 120 mm Optical Data Disks (CD-ROM), 2nd edition (June 1996).
• Pohlmann, Kenneth C. (1992)....
Xem thêmThe Red Book audio specification, except for a simple "anti-copy" statement in the subcode, does not include any copy protectionmechanism. Known at least as early as 2001, attempts were made by record companies to market "copy-protected" non-standard
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Xem thêmVăn bản Wikipedia theo giấy phép CC-BY-SAMục này có hữu ích không?Cảm ơn! Cung cấp thêm phản hồi CD – Wikipedia tiếng Việt
Để hiểu những khái niệm cơ bản về đĩa quang, xin xem bài đĩa quang
Đĩa CD (tiếng Anh: Compact Disc) là một trong các loại đĩa quang, chúng thường chế tạo bằng chất dẻo, đường kính 4,75 inch, dùng phương pháp ghi quang học để lưu trữ khoảng 80 phút âm thanh hoặc 700 MB dữ liệu máy tính đã được mã hóa theo kỹ thuật số.Wikipedia · Nội dung trong CC-BY-SA giấy phépCompact disc - Simple English Wikipedia, the free encyclopedia
Compact Disc Digital Audio - Wikipedia
Compact disc - Wikipedia
Disque compact — Wikipédia
Compact Disc – Wikipedia
Compact disc - Wikipedia
Disc compact - Wikipedia
Compact disc – Wikipédia, a enciclopédia livre