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CDs continued to be strong in some markets such as Japan where 132 million units were produced in 2019. [62] The decline in CD sales has slowed in recent years; in 2021, CD sales increased in the US for the first time since 2004, [63] with Axios citing its rise to "young people who are finding they like hard copies of music in the digital age ...
The CD jewel case is designed to carry a booklet, as well as to have panel inserts. These may be used to display album artwork, lyrics, photos, thank-yous, messages, biography, etc. [5] Because the CD jewel case is the standard, most commonly used CD case, it is much cheaper. The price of the CD jewel case usually ranges from $0.75 to $0.95.
Several proposals for new types of packaging that served the display-size of the longbox and theft-prevention goals were developed. [ citation needed ] A common replacement consisted of locking plastic frames (security keepers) containing anti-theft detection strips, designed to roughly meet the same dimensions as the longbox to fit into the ...
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Mini CD-R, Mini CD-RW: As of 2020, many manufacturers offer 80 mm CD-R and CD-RW discs for sale in retail electronics and office supply stores. [ citation needed ] Most of the blank discs available in retail hold either 185 MB (21 minutes) or 210 MB (24 minutes) of data.
Dimensions indicated are track pitch (p), pit width (w) and minimum length (l), and laser spot size (⌀) and wavelength (λ). For comparison with analogue media, the pitch of the spiral of a 240-groove-per-inch long-playing record and a Laserdisc are 106 μm (66 times the CD track pitch) and 4.6 μm (2.9 times), respectively.
This smaller form factor is similar to that used in an HDD by Rodime in 1983, which was the same size as the "half height" 3½" FDD, i.e., 1.63 inches high. Today, the 1-inch high ("1/3 height," "slimline," or "low-profile") version of this form factor is the most popular form used in most desktops.
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).