Real-time high-resolution PC-based system for measurement of errors on compact disks

Babak Tehranchi; Dennis G. Howe

doi:10.1117/12.190178

12 October 1994 Real-time high-resolution PC-based system for measurement of errors on compact disks

Babak Tehranchi, Dennis G. Howe

Proceedings Volume 2338, 1994 Topical Meeting on Optical Data Storage; (1994) https://doi.org/10.1117/12.190178
Event: Optical Data Storage '94, 1994, Dana Point, CA, United States

Abstract

Hardware and software utilities are developed to directly monitor the Eight-to-Fourteen (EFM) demodulated data bytes at the input of a CD player's Cross-Interleaved Reed-Solomon Code (CIRC) block decoder. The hardware is capable of identifying erroneous data with single-byte resolution in the serial data stream read from a Compact Disc by a CDD 461 Philips CD-ROM drive. In addition, the system produces graphical maps that show the physical location of the measured errors on the entire disc, or via a zooming and planning feature, on user selectable local disc regions.

Citation Download Citation

Babak Tehranchi and Dennis G. Howe "Real-time high-resolution PC-based system for measurement of errors on compact disks", Proc. SPIE 2338, 1994 Topical Meeting on Optical Data Storage, (12 October 1994); https://doi.org/10.1117/12.190178

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