CD-R Interchangeability Test Report

The "Orange Book part IV)", which describes technical specifications of CD-WO (Compact Disc Write Once,so-called CD-R), was released by Philips and Sony in November 1990. The CD-R (CD recordab1e)User Group was formed in August 1991 by 18 companies, both from disc manufacturers and hardware manufacturers, whose aim is to confirm interchangeability between discs and devices and eventually extract problems if any. This report introduces the activities of Test Group A in which 8 disc suppliers and 9 disc evaluators participated. The characteristics of CD-R discs and the interchangeability will be discussed.