本标准规定了ANSI/SMPTE 6-1988中定义的15 in/s和7.5 in/s（381 mm/s和190.5 mm/s）的2英寸四重视频磁带录音用音频1记录的录音机和复制机的频率响应和工作水平。它还规定了使用ANSI/SMPTE 8-1989和ANSI/SMPTE 11-1989中定义的测试带对录音机和复制机进行现场校准的方法。

This standard specifies the frequency response and operating level for recorders and reproducers for audio 1 record for 2-in quadruplex video magnetic tape recording at 15 in/s and 7.5 in/s (381 mm/s and 190.5 mm/s), as defined in ANSI/SMPTE 6-1988. It also specifies the field method of calibration of recorders and reproducers, utilizing the test tapes as defined in ANSI/SMPTE 8-1989 and ANSI/SMPTE 11-1989.