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一、概述数字时基校正器(DTBC)是专门校正磁带录象机(VTR)重放信号时基误差,并与VTR相配合提供广播质量的静帧,慢动图象的数字视频设备,是目前电视台、电教中心、以及一切需要制作和播出节目的单位和部门不可缺少的数字设备之一。
I. INTRODUCTION The Digital Time Base Corrector (DTBC) is a digital video device that is designed to correct the timing error of a VTR playback signal and to provide broadcast-quality still frames and slow-motion video in conjunction with the VTR. At present, television stations, audio-visual education centers and all the digital devices indispensable to the units and departments that need to produce and broadcast programs.