Video disk recorder generations

The video disk recorder (VDR) has over the years found many applications in the post production and broadcast industry. At NAB ´97 an exciting array of new VDRs and hybrid recorders was launched contrasting the paucity of new VTR product offerings. This paper seeks to categorize the generations of VDR and specifically describes how the third generation of embedded disk recorders are best suited to meet a diversity of market requirements. The paper then suggests how a 4^th generation of VDR may evolve into a LAN attached media port with strong data serving capabilities