GB/T 12449-1990.Interface for using dedicated inter connections between sound and television br oadcasting transmitting equipment and supervisory equipment.GB/T 12449参照采用Ec8...
GB/T 12365-1990.Technical par ameters for short distance optical cable tr ansmission of br oadcasting and television.1主题内容与适用范围GB/T 12365规定了广播电视短程光...
GB/T 12047-1989.Multiprogramme still picture broadcasting system.1主题内容与适用范围GB/T 12047解释了多节目静止图像广播的基本术语,制定了图像、声音和同...
GB 12281 一1990.Requir ements for the interconnections and matching of color television br oadcast receivers and other equipment.GB 12281电气配接值主要参照采用了EC 268-...
GB/T 4645-2006.Screen luminance for the projection of motion-picture prints in indoor theatres and review rooms.GB/T 4645规定了室内影院和鉴定放映室以24格/s片速放映...
GB/T 8617.3-1988.Technical parameters and measur ing methods for FM broadcasting coder Two programs.34.1.2测量方法3.4.1.21主信 道信噪比a. 无副载波时,音频信号发生器...
GB/T 8617. 2一1988.Technical parameters and measuring methods for FM broadcasting coder Supplementary channel.GB/T 8617. 2适用于立体声调频广播带附加信道发射系统中...
GB/T 8617.1-1988.Technical parameters and measur ing methods for FM broadcasting coder Stereophonic.GB/T 8617.1适用于立体声调频广播发射系统中的立体声编码器。其...
GB/T 9003-1988.Mothods of measurement for the fund amental characteristics of mixing console.GB/T 9003参照采用国际标准EC 268-3《 声系统设备,第三部分a放大器)的部...
GB/T 7401-1987.Method of subjective assessment of quality of colour TV pictures.2.2观看员观看员可以是专业人员,也可以是非专业人员.通常,应由非专业人员作观...
