大1/2寸家用录像带专业复制机是复制家用录像带的专业机,在中央电视台使用已有10年以上历史。目前国外复制工场一般都使用专业机,而国内大多数复制单位还使用家用录像机,与国外形成相当大的反差。笔者根据多年从事复制机房的工作经验,对设备使用及复制带情况,进行了详实的统计、 Large 1/2-inch home video professional copy machine is a professional copy of the home video cassette player, used in CCTV more than 10 years of history. At present, foreign copy factories generally use professional machines, while most domestic copying units also use household video recorders, which form a considerable contrast with foreign countries. The author is based on many years of experience in the replication room, on the use of equipment and copy the tape, conducted a detailed statistics,