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Line 3: VDCP uses a tightly coupled master-slave methodology. The controlling device takes the initiative in communications between the controlling broadcast [[automation]] device and the controlled device (video disk). VDCP conforms to the [[Open Systems Interconnection]] (OSI) reference model. VDCP is a [[serial communications]] protocol based on [[RS-422]]. It is derived from the [[Sony]] [[9-Pin Protocol]], an industry-standard protocol for control of professional broadcast [[VTR]]s that is used in [[~~online~~Online editing\| (video production)\|online editing]]. Full details of the protocol are available from [[Harris Broadcast]], who acquired Louth in 2000.

Video Disk Control Protocol: Difference between revisions