标准摘要
Specifies audio-frequency calibration tapes to be used for adjusting the sensitivity and the frequency response of the audio reproducing systems of transverse track recorders for 625 line-50 field systems operating at 39.7 cm/s (15.6 in/s) and 525 line-60 field systems operating at 38.1 cm/s (15 in/s) according to IEC 347.
英文名称Audio-frequency calibration tape for transverse track recorders.