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  2. Compact disc - Wikipedia

    en.wikipedia.org/wiki/Compact_disc

    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. [91] The document is known colloquially as the Red Book CD-DA after the color of its cover.

  3. Timeline of audio formats - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_audio_formats

    A Digital Compact Cassette Digital, 1 ⁄ 8 inch wide tape, 1 + 7 ⁄ 8 in/s, introduced by Philips and Matsushita in late 1992, marketed as the successor to the standard analog compact cassette WAV (file format) Digital. Named after the waveform created by a sound wave. Dolby Digital Cinema Sound Digital. Also known as Dolby Stereo Digital ...

  4. Compact Disc Digital Audio - Wikipedia

    en.wikipedia.org/wiki/Compact_Disc_Digital_Audio

    Compact Disc Digital Audio (CDDA or CD-DA), also known as Digital Audio Compact Disc or simply as Audio CD, is the standard format for audio compact discs. The standard is defined in the Red Book technical specifications , which is why the format is also dubbed "Redbook audio" in some contexts. [ 1 ]

  5. SPARS code - Wikipedia

    en.wikipedia.org/wiki/SPARS_code

    AAD is the SPARS code (highlighted in red) on Madonna's 1990 album, The Immaculate Collection. The SPARS code is a three-position alphabetic classification system developed in the early 1980s by the Society of Professional Audio Recording Services (SPARS) for commercial compact disc releases to denote aspects of the sound recording and reproduction process, distinguishing between the use of ...

  6. CD-R - Wikipedia

    en.wikipedia.org/wiki/CD-R

    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.

  7. A look back at what the world was like when AOL began

    www.aol.com/news/2020-05-23-a-look-back-at-what...

    The law took effect on January 1, 1985. Later that year, the New York Times reported that the number of drivers and passengers killed in motor vehicle accidents in the state declined by 27 percent ...

  8. What to do when your CD matures: Taking advantage of your ...

    www.aol.com/finance/what-to-do-when-cd-matures...

    A CD ladder is a savings strategy designed to spread out your money across multiple CDs to leverage high rates without tying up your full investment into one long-term CD.

  9. CD single - Wikipedia

    en.wikipedia.org/wiki/CD_single

    A CD single is a music single in the form of a compact disc (CD). Originally the CD single standard (as defined in the Red Book) was an 8 cm (3-inch) "mini CD" (CD3); [1] later on the term referred to any single recorded onto a CD of any size, particularly the 12 cm (5-inch) "full-size" disc (CD5).