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国际电工委员会(IEC)成立于1906年。我国于1957年被接纳为会员国。此后多次参加其年会及分技术委员会活动。1979年我国代表团又出席了在澳大利亚的悉尼召开的第44届年会。本文重点概要介绍SC12A(无线电接收设备分技术委员会)在这次年会期间讨论的有关内容 (一)107号标准第二部分:电视机音频的测量。在制定我国“黑白广播电视接收机测量方法”(部
International Electrotechnical Commission (IEC) was established in 1906. My country was admitted as a Member State in 1957. Since then participated in its annual meeting and sub-technical committee activities. In 1979 my delegation again attended the 44th annual conference held in Sydney, Australia. This article focuses on the SC12A (Radio Receiving Equipment Sub-Technical Committee) discussed during the annual meeting of the relevant content (a) 107 of the second part of the standard: TV audio measurements. In the development of China’s “black and white radio and television receiver measurement methods” (Ministry