The Optical Digital Data Disk Study Group was established by the Standards Planning and Requirements Committee (SPARC) of the American National Standards Committee ( AN SC ) X3, Information Processing Systems in November of 1982. The study group was charged with identifying the standards necessary to accomplish data interchange on optical digital data disk. This work was completed in February 1984. As a result of the study group work a new X3 technical committee ANSC/X3B11, Digital Optical Disk was formed and held its organizational meeting in April 1984. The approved projects and proposed projects that will be under development and discussion by the committee are as follows: The approved projects are those concerned with unrecorded media standards for 120mm, 130mm, 200mm, 300mm and 356mm. The proposed standards projects for the committee include the recorded media standards that will complement the unrecorded media standards. Currently the committee is studying standards requirements in the area of labels and formats.
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