指定在磁带上形成螺旋记录的数据块的内容、格式和记录方法。描述了使用6.35毫米（1/4英寸）磁带的螺旋扫描数字盒式磁带记录系统的盒式磁带、调制方法、磁化和基本系统数据的通用规范。定义设备的电气和机械特性，这些特性将提供记录盒的互换性。 本合并版本由第一版（1998年）组成 及其修正案1（2001）。因此，无须在 本出版物的补充。

Specifies the content, format and recording method of the data blocks forming the helical records on the tape. Describes the common specifications for cassettes, modulation method, magnetization and basic system data, for helical-scan digital video cassette recording system using 6,35 mm (1/4 inch) magnetic tape. Defines the electrical and mechanical characteristics of equipment which will provide for the interchangeability of recorded cassettes. This consolidated version consists of the first edition (1998) and its amendment 1 (2001). Therefore, no need to order amendment in addition to this publication.