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本标准参照采用国际标准ISO2969—1987《电影录音控制室和室内影院的B环电—声频率响应特性及其测量》。 1、主题内容与适用范围 本标准规定了70mm电影涂磁拷贝磁性声迹全还音(或监听)系统的电—声频率响应特性。
This standard reference to the international standard ISO2969-1987 “movie recording control room and indoor theater B ring - acoustic frequency response characteristics and measurement.” 1, the subject content and scope of application This standard specifies the 70mm film magnetic coated magnetic track full sound (or monitor) system of electro-acoustic frequency response characteristics.