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 |
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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