DIN EN 60774-2-2000 VHS型12.65mm(0.5in)磁带螺旋扫描盒式录像系统;第2部分:FM声频记录
Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type VHS - Part 2: FM audio recording (IEC 60774-2:1999); German version EN 60774-2:2000
The document is applicable to frequency modulation (FM) audio 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 of FM audio recording which will provide for the interchangeabllity ot record cassetes. The requirements given relate to 525 line-60 field and 625 line-50 field systems.