Shaped CDs are not compatible with all CD players.
The disc is shaped like a skull.īritish death metal band Carcass released a limited edition of Swansong as a brain-shaped CD. The North American soundtrack of Diddy Kong Racing, another Nintendo 64 game, has a similarly-shaped CD, being shaped to outline Diddy Kong's head.Īn additional example is the live EP Alive in Torment released by symphonic black metal band Dimmu Borgir. In this instance, the shape is an outline of the print on the disc, Yoshi's face and some fruit in the background. The North American release of the soundtrack to the Nintendo 64 game Yoshi's Story, titled "Music to Pound the Ground To", is also a shaped CD. It was in the shape of an 8-pointed star. The Flaming Lips released a CD single entitled " This Here Giraffe" on the world's first-ever star-shaped CD. They appear silver and reflective on the data side of the CD, even though they contain no actual valid bytes and cannot be read. Other parts of the shape are purely decorative - but are still often finished to the same appearance as a CD. Second, at least three points of the outer edge must touch either the outer 12 cm diameter rim of the player's tray where standard size discs fit or the inner rim where 8 cm diameter mini discs fit.ĭata can only be recorded on sections of a Shaped CD that form uninterrupted circular tracks. First, the shape must be balanced to avoid problems when it begins to spin. It is important that two criteria be met for a shaped disc to function properly. It will not work for CD-R because the plastic used to produce CD-R tends to splinter when cut. The second method to produce a shaped CD or DVD is to produce a normal CD-ROM or DVD-ROM and cut it to the desired shape. Recordable CDs and DVDs (CD-R or DVD-R or DVD+R) are not generally available except in standard shapes including rectangular. For the same reason, this is generally restricted to the production of read-only CDs and DVDs (CD-ROM or DVD-ROM). Because of the initial cost involved in setting up this process, it is usually used for mass production. A special mold can be made and used to "stamp" CDs (or DVDs) as part of the precision injection molding process that is used to make CDs and DVDs. Shaped CDs are produced in one of two ways. A logo can be printed on a shaped CD, in the same way common audio CDs and CD-ROMs are labeled. Unlike Mini CDs, which are smaller, but still circular versions of normal CDs, custom CDs can be any number of shapes, even more complicated shapes like gears with dozens of teeth, but are generally smooth and with rounded edges, such as ovals or rounded rectangles. There are many companies that sell CDs with custom shapes.
These discs are usually made for marketing purposes and are properly read by most CD-ROM drives (and audio CD players, although custom-shaped CDs tend to contain less data).
Examples include business card CDs, CDs in the shape of a star, a map of a country, interview material and more.
Cds with weird shapes rym full#
It is easy to distinguish that the data track of the disc is smaller compared to a full 72-minute disc it ends before it reaches the outside border of the disc to allow the unused media on the outside to be cut away.Ī shaped compact disc is a non-circular compact disc. This CD was produced as a round disc and automatically cut to shape using a computer-aided machine with a rotary tool. But rather than go further into these details, I would also recommend checking out a couple of fine books on this subject: “Seasons They Change” by Jeanette Leech and “Electric Eden” by Rob Young.Picture of the back of a shaped CD. Reissues and Youtube have now allowed anyone to study the history of this music. It continues to ebb and flow to this day with new found respect for many of these older and in some cases barely known artists. Then Donovan, the Incredible String Band, and even the Jefferson Airplane and the Beatles among others all offered something to the form. The beginning of the folk and psychedelia marriage can be debated, but I would say that Davey Graham brought out a lot of this sound with his tunings and structures that he learned in Morocco. I am liberally using the term psychedelic as this was a psychedelic era, so any folk album that has elements of folk rock, progressive folk, with a full or partly psychedelic sound and spirit will qualify.
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