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Storing digital broadcast signals using an advanced optical storage device: data allocation and simultaneous record and playback

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5 Author(s)
Luitjens, S.B. ; Philips Res. Lab., Eindhoven, Netherlands ; Blacquiere, J.F.R. ; van Gelder, K. ; Kelly, D.P.
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Optical disc based video recorders have recently become available. This paper discusses the application format for a system based on an advanced optical rewritable system (DVR-blue). The format is especially suited for broadcast recording. The high rate (35 Mbit/s) and capacity (22 GB) of DVR-blue enables recording of HDTV (24 Mbit/s) for 2 hours, along with new features like simultaneous record and playback of SDTV material. Playback of edited material is seamless. We show that a set of allocation rules for the data combined with reference drive performance guarantees simultaneous record and playback for SDTV streams (⩽10 Mbit/s) using a large physically contiguous collection of data called a segment

Published in:
Consumer Electronics, IEEE Transactions on  (Volume:48 ,  Issue: 1 )

Date of Publication: Feb 2002

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