发明名称 Video tape editing control system
摘要 A video tape editing control system is provided which is capable of controlling one or more source video tape recorders and a record video tape recorder so that video information from a first source video tape recorder may be recorded on the video tape in the record video tape recorder until a selected edit point is reached, at which point the video information from the first source video tape recorder is replaced by different video information from the same or from a different source video tape recorder. In the system of the invention, a dissolve is simulated by causing the video signals of the first video information to decrease during a predetermined number of frames until the edit point is reached without introducing the second video information to the record video tape recorder until the edit point is reached, and then by terminating the first video information at the edit point and by introducing only the second video information to the record video tape recorder after the edit point has been reached, and increasing the amplitude of the video signals of the second video information from a minimum value at the edit point to normal value throughout a predetermined number of frames after the edit point.
申请公布号 US4355332(A) 申请公布日期 1982.10.19
申请号 US19800198657 申请日期 1980.10.20
申请人 CONVERGENCE CORPORATION 发明人 BEESON, GARY H.
分类号 G11B27/024;(IPC1-7):H04N5/76;G11B27/02 主分类号 G11B27/024
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