Invention Grant
US08358566B1 Method and device for detecting a sync mark 有权
用于检测同步标记的方法和装置

Method and device for detecting a sync mark
Abstract:
A method and device for determining frequency error to extend the pull-in range of a timing recovery circuit for a storage device such as an optical disc drive. A code associated with a storage format of the storage device is detected, and the distance between occurrences of the code is determined. The calculated distance is compared with the expected distance to determine the difference. Based on the difference, the frequency error is determined.
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