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"Bridge" CDs

The term bridge CD is used to refer to disks that use extensions or derivations of the CD-ROM Extended Architecture format. These extended formats are described in the "white book" specification. The reason for the term "bridge" (as far as I can tell) is that these disks are designed to work both in CD-ROMs that support CD-ROM XA, and also in CD-Interactive hardware, thus "bridging" the two types of CD hardware.

It is therefore possible to make CD-I disks that will work in CD-ROM XA drives, and CD-ROM XA disks that will play in CD-I drives. Bridge CDs also include both the Kodak Photo CD format and also the Video CD format.

Next: CD-Interactive (CD-I)

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