Chinese Standard: GB/T 17147-2012

Measurement of audio-frequency noise voltage level in sound broadcasting

IDT  ITU-R BS.468-4:2002

全国广播电影电视标准化技术委员会(SAC/TC 239)

本标准规定了声音广播中音频噪声电平的测量方法、测量所需加权网络特性、测量仪表的特性及其测量方法。
本标准适用于音频制作、录放系统和声音广播系统中对音频噪声电平的测量。

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