Helical-scan video tape cassette system using 12,65 mm (0,5 in)
magnetic tape on type Beta format - FM audio recording - Part 2:
525 line-60 field systems
使用12.65毫米(0.5英寸)的螺旋扫描盒式磁带录像系统
Beta型格式磁带.调频音频记录.第2部分:
525 line-60现场系统
Defines the electrical and mechanical characteristics of FM audio
recording which provides for the interchangeability of recorded
cassettes. The requirements given relate to 525 lines-60 field
systems. Applies to frequency modulation (FM) audio recording on
video recorders fully compatible with the beta format for 525
lines-60 field television systems defined in IEC 60767.