标准摘要
[中文适用范围]： 定义 FM 音频录制的电气和机械特性，这将提供录制磁带的互换性。 [外文原描述]： Defines the electrical and mechanical characteristics of FM audio recording which provides for the interchangeability of recorded cassettes. The requirements given relate to 625 lines-50 field systems. Applies to frequency modulation (FM) audio recording on video recorders fully compatible with the beta format for 625 lines-50 field television systems defined in IEC 60767.
英文名称Helical-scan video tape cassette system using 12,65 mm (0,5 in)magnetic tape on type Beta format - FM audio recording - Part 1:625 line-50 field systems