The recommended procedure for primary calibration of condenser microphones is the reciprocity calibration technique. A precision method for reciprocity pressure calibration is described in [1]. A simplified method, suitable for calibration over the frequency range of interest for telephonometric measurements, is given in [2]. Although the methods described are specifically for one-inch microphones, similar methods are applicable to half-inch microphones. Methods suitable for half-inch microphones are under study by IEC.
ITU-T P.61 FRENCH-1988由国际电信联盟 IX-ITU 发布于 1988。
ITU-T P.61 FRENCH-1988 在中国标准分类中归属于: M72 音响、电声设备。
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