一、数字VTR的开发历史本讲要介绍的是家用VTR数字化发展的第三阶段,也是最难的一个阶段——连磁头记录部分都实现了数字化。数字记录式VTR的开发已经历了一段很长的历史。就整个录象机领域来讲,数字化是从广播级开始,因为演播室更迫切需要数字化。表1是其部分发展经过。 First, the history of the development of digital VTR This talk is to introduce the third phase of the development of digital home VTR, but also the most difficult stage - even the head of the recorded part of the digital. The development of digital record-type VTRs has come a long way. As far as the field of video recorders is concerned, digitization begins at the broadcast level because the studio is in greater need of digitization. Table 1 is part of its development.