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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. It uses the Compact Disc Digital Audio format which typically provides 74 minutes of audio on a disc. In later years, the compact disc was adapted for non-audio computer data storage purposes ...
CD-R (Compact disc-recordable) is a digital optical disc storage format. A CD-R disc is a compact disc that can only be written once and read arbitrarily many times. CD-R discs (CD-Rs) are readable by most CD readers manufactured prior to the introduction of CD-R, unlike CD-RW discs.
A CD-ROM in the tray of a partially open CD-ROM drive. CD-ROMs are identical in appearance to audio CDs, and data are stored and retrieved in a very similar manner (only differing from audio CDs in the standards used to store the data). Discs are made from a 1.2 mm thick disc of polycarbonate plastic, with a thin layer of aluminium to make a reflective surface. The most common size of CD-ROM ...
Compatible Discrete 4, also known as Quadradisc or CD-4 (not to be confused with compact disc) was a discrete four-channel quadraphonic system for phonograph records.
Giambattista Bodoni (/ bəˈdoʊni /, Italian: [dʒambatˈtista boˈdoːni]; 16 February 1740 [1] – 30 November 1813) was an Italian typographer, type-designer, compositor, printer, and publisher in Parma. He first took the type-designs of Pierre Simon Fournier as his exemplars, but afterwards became an admirer of the more modelled types of ...
Calligraphy treats the letterforms of decorative writing, usually in ink. In the field of typography, type design is the process of designing typefaces that consist of sets of letterforms for use with metal print or computer. More broadly letterforms may be discussed wherever letters appear stylistically—in graffiti for example.
Letterpress printing was the normal form of printing text from its invention by Johannes Gutenberg in the mid-15th century through the 19th century, and remained in wide use for books and other uses until the second half of the 20th century.
Philips's CD-100. Unlike the Philips CD100 which uses oversampling to enable the use of a 14-bit DAC, the CDP-101 features a 16-bit DAC that was designed and manufactured in-house by Sony. The decision to use 16-bit CD encoding was made at Sony's insistence, because Philips had already developed a 14-bit DAC, and Sony was worried that would ...