IS 12429 : Part 1 : 1988 Time and control code for video tape recorders: Part 1 Longitudinal time code (LTC)

UDC 621.397.452 : 621-503.52 LTD 7
Reaffirmed 2019

1 Scope

1.1 This standard (Part 1) specifies a digital code format andmodulation method to be used for timing and control purposes oftelevision-tape machines and/or associated separate audiorecorders. The encoded signal shall be recorded on the cue track oron an auxiliary longitudinal track. This standard is applicable for50 Hz- 625 lines system.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 1885 : Part 48 : 1970 Electrotechnicalvocabulary: Part 48 Recording

IS 10135 :19827-Bit coded character set for informationinterchange

IS 12326 :19877-Bit and 8-Bit coded character sets- Codeextension techniques