GB/T 28430-2012.Technical specification of data broadcasting in digital television system.GB/T 28430规定了数字电视广播系统中基于传送流的数据广播的数据结构、...
GB/T 28431-2012.Specification for transport stream multiplexing and interfaces in digital terrestrial television.GB/T 28431规定了传送流在地面数字电视系统中的复用和...
GB/T 30350-2013.Television audience measurement guidelines.GB/T 30350规定了电视收视率调查样本抽取.数据采集、数据处理、数据报告、数据使用和配合调查...
GB/T 17147-2012.Measurement of audio-frequency noise voltage level in sound broadcasting.3.2.2对重复单音猝发信号的动态特性测量方法:将三组不同每秒猝发数、始...
GB 32028-2015.Minimum allowable values of energy efficiency and energy efficiency grades for projectors.GB 32028规定了投影机的能效限定值、节能评价值、能效等级、...
GB/T 32631-2016.3Gbps serial data interface and source image format mapping for high definition television.GB/T 32631规定了电视源图像格式在速率为3Gbps串行数据接口...
GB/T 32200-2015.Characteristic parameter and measurement of projection screens.1范围GB/T 32200规定了反射和透射放映银幕特性参数和测定方法。GB/T 32200适用于各...
GB/T 32144-2015.Projectable image area on 70 mm motion-picture film, 8/70 format.1范围GB/T 32144规定了70mm8齿孔特殊影片的最大可放映画面区域的尺寸,并规定了这...
GB/T 32145-2015.Projectable image area on 70 mm motion-picture film, 15/70 format.1范围GB/T 32145规定了70mm15齿孔特殊影片的最大可放映画面区域的尺寸,并规定了...
GB/T 32143-2015.Safety and environmental protection requirements for digital projection screens.GB/T 32143规定了数字放映银幕(以下简称银幕)的安全和环保要求以及...
