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...
GB/T 5440-1985.Stereophonic broadcast magnetic recorder.GB/T 5440适用于带宽为6. 3 mm广播用双磁迹、双通道、单向立体声录音机。1术语定义1.1短路带磁通...
GB/T 5301-2002.Cinematography- Safe picture areas for motion-picture films for television一Position and dimensions.1范围GB/T 5301规定了供电视播放用35mm和16mm影片的安全...
GB 4963-1985.Normal equal-loudness contours for pure tones under free field llstening conditloas.1引言GB 4963规定了在自由场测听条件下等响时纯音的声压级和频率...
GB/T 4961- 1999.Time signal in radio broadcasting.1适用范围GB/T 4961规定了广播报时信号。GB/T 4961适用于广播电台广播报时系统。2基本要求2.1报时的方式...
GB/T 4645-1994.Screen luminance for the projection of motion-picture prints in indoor theatres and review rooms.GB/T 4645等效采用ISO2910-19904室内影院和鉴定放映室的银幕...
GB/T 4641-2000.Camera usage of 16 mm motion-picture film.1范围GB/T 4641规定了16 mm摄影机使用单排片孔和双排片孔胶片拍摄无声及有声影片时乳剂层朝向与...
GB/T 4640-2000.Camera usage of 35 mm motion-picture film.1范围GB/T 4640规定了35mm电影摄影机所用胶片乳剂层的朝向,画面和光学声带曝光区的位置以及摄影...
