本规程规定了以95.3 mm/s（3.752 in/s）的磁带速度记录525行单色和NTSC彩色电视信号的3/4 in E型螺旋扫描盒式磁带的调频载波偏差和相关视频预相位特性的参考频率。此外，还规定了音频和控制信号的特性。

This practice specifies the reference frequencies for deviation of the frequency modulated carrier and associated video preemphasis characteristic for 3/4-in type E helical-scan video tape cassette recording of 525-line monochrome and NTSC color television signals at a tape speed of 95.3 mm/s (3.752 in/s). In addition, the characteristics of the audio and control signals are specified.