Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type VHS - Part 2: FM audio recording
VHS型使用12.65mm(0.5in)磁带的螺旋扫描盒式磁带系统.第2部分:调频音频记录
This part of IEC 60774 is applicable to frequency modulation (FM) audioi recording fully compatible with the VHS system defined in IEC 60774-1. The object of this standard is to define the electrical and mechanical characteristics fo FM audio recording which will provide for the interchangeability of recorded cassettes. The requirements given relate to 525 line-60 field and 625 line-50 field systems.