IS 4479 : 1981 Methods of measurement on magnetic tapes for sound recording and reproduction (first revision)

UDC 681.84.083 .84 : 620.16 LTD 7
Reaffirmed 2016

1 Scope

1.1 This standard lays down the methods of measurement fordetermining the physical, mechanical and electrical performancecharacteristics of magnetic tapes for sound recording andreproduction.

2 References

IS 2 :1960Rules for rounding off numericalvalues

IS 1885 : Part XLVIII : Sec 1 :1978 Electrotechnical vocabulary:Part XLVIII Recording,Sec 1 Tape recording

IS 2264 :1963Preferred frequencies foracoustical measurements

IS 5431 :1969Definitions of motion-picturesafety films

IS 8152 :1976Method of measurement of speedfluctuations in sound recording andreproducing equipment

IS 8655 : Part I :1977Magnetic sound tape recording andreproducing equipment(reel-to-reel) :Part 1 Methods of measurement

IS 8655 : Part III :1977Magnetic sound tape recording and reproducing equipment(reel-to-reel):Part III Professional type