IEC 60574-21:1992
视听、视频和电视设备及系统 第21部分:教育和培训用录像磁带带头和带尾
Audiovisual, video and television equipment and systems; part 21: video tape leader and trailer for education and training applications
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- 标准号
- IEC 60574-21:1992
- 发布
- 1992年
- 发布单位
- 国际电工委员会
- 当前最新
- IEC 60574-21:1992
- 适用范围
- Specifies the minimum requirements for recordings on the leaders and trailers to assist users to adjust equipment for optimum performance prior to the start of recorded programme material. Also specifies the audio and video information that precedes and