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Sony announces Postscribed IDTM for DVD enabling the individual serialization of DVD-Video/ROM discs.


Postscribed IDTM for DVD makes read-out of individual IDs embedded in DVD discs possible using standard DVD-ROM drives, without the need for firmware updates or any other software installation. Furthermore, the newly developed technology does not infringe the powerful error correction features present in the DVD format. This allows the same CD-ROM-based serialization services to now be offered on DVD-ROM media. By using a high-power laser diode, new reflective layer material, and extremely accurate location control technology, the area between pits on the disc surface is modified to embed the ID data. This in turn allows for compliance with the powerful error correction technology built-in to DVDs and adheres to the DVD Format (DVD Specification for Read Only Disc). The EFM signal used for direct recording of serialized ID data is based on advanced technology for preventing any impact on pre-recorded data when recording the ID onto the disc, effective write-strategy and a special reflective layer.


In 2002, Sony and SDAD jointly developed and released Postscribed IDTM technology, enabling the serialization of individual CD-ROM discs during standard manufacturing processes. Following the success of Postscribed IDTM technology for CD-ROMs, there has been significant demand for equivalent technology to be developed for DVD media, with its ability to carry high-quality video content.




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