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目前,不少学校和基层电教部门购置了大1/2摄录像机,但大多数没有专门的编辑设备,通常用家用录像机进行后期编制,遇到困难比较多,制作的节目质量差。主要问题:一是经过编辑、复制,第二代图象质量明显下降。二是“插入编辑功能”运用效果不佳。三是普通录像机是以秒为最小单位计数,因此编
At present, many schools and grassroots teaching departments have purchased large 1/2 video cameras, but most do not have specialized editing equipment. They usually use household video recorders for post-production, encounter more difficulties and produce poor quality programs. The main issues: First, after editing, copying, the second generation of image quality decreased significantly. Second, “insert editing ” ineffective use. Third, ordinary video recorder is the smallest units of seconds count, so the series