SMPTE RP 158-1999 (Archived 2004)

This practice specifies the video recording system, scanner parameters, and test conditions for 1/2-in type M-2 helical-scan video tape recorders operating with video signals having a typical scanning structure of 525 lines, 59.94 fields/sec, 2:1 interlace, and utilizing the cassettes specified in ANSI/SMPTE 250M-1991. The parameters described in this practice are for reference purposes only and should not be taken as the only method available to attain the specifications as defined in ANSI/SMPTE 249M-1991.