Abstract
Single carrier independent pit edge recording (SCIPER) stores data by modulating the position of the leading and trailing pit edges in very small (0.04 micrometers ) discrete steps. With this method we are able to achieve double the compact disc recording density while using a standard CD pick up. In this paper we review the principles of the SCIPER optical disc system and describe a noise reduction method based on the BCH error correction code. Incorporating of this noise reduction circuit improves the robustness of the SCIPER system against additive noise by 2.8 dB. The possibility of applying more advanced coding techniques such as Trellis coded modulation is also discussed.
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