录像带的模拟声音录制 磁化极性

[中文适用范围]： 适用于音频录制和处理，并给出了保留信号极性的要求，以及其他标准中尚未包含的测试方法。基于并符合 IEC 268-2 中的相关文本， [外文原描述]： Applies to audio recording and processing, and gives requirements for the preservation of signal polarity, together with methods of test which are not already included in other standards. It is based on, and consistent with, the relevant text in IEC 60268-2, and the connector applications standardized in IEC 60268-11 and IEC 60268-12.