Tilt analysis of readback signals from DVD-ROM media

Fatih Sarigoz; Bhagavatula Vijaya Kumar; Marek Kowarz

doi:10.1117/12.327930

23 October 1998 Tilt analysis of readback signals from DVD-ROM media

Fatih Sarigoz, Bhagavatula Vijaya Kumar, Marek Kowarz

Proceedings Volume 3401, Optical Data Storage '98; (1998) https://doi.org/10.1117/12.327930
Event: Optical Data Storage '98, 1998, Aspen, CO, United States

Abstract

Tilt is a major source of distortion for the DVD channel. This paper is aimed at understanding the effect of tilt on the readback signal. Equalized signals were collected from DVD-ROM media on an optical spin stand with a variable tilt stage. A simulated version of duty cycle correction (DCC) was applied to each signal to cancel the baseline drift. The pulse response, which characterizes the signal under the linear superposition assumption, was extracted for each signal. The pulse response of the DVD-ROM channel is shown to be highly affected by tangential tilt while the effect of radial tilt is minimal.

Citation Download Citation

Fatih Sarigoz, Bhagavatula Vijaya Kumar, and Marek Kowarz "Tilt analysis of readback signals from DVD-ROM media", Proc. SPIE 3401, Optical Data Storage '98, (23 October 1998); https://doi.org/10.1117/12.327930

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