Patent ID: 7778122

Claim:
A method for tuning a plurality of write strategy parameters of an optical storage device, comprising: writing data on an optical storage medium utilizing a plurality of write strategy parameters; reading data written on the optical storage medium to generate a reproduced signal; detecting a plurality of lengths according to a sliced signal, each length corresponding to a pit or a land on an optical storage medium accessed by the optical storage device; performing calculations corresponding to a plurality of data set types and generating a plurality of data-to-clock edge deviations respectively corresponding to the data set types, wherein each of the data set types corresponds to a combination of at least a specific target pit length and a specific target land length, or a combination of at least a specific target land length and a specific target pit length, and the data-to-clock edge deviations are generated according to a first reference clock and the reproduced signal; and utilizing the data-to-clock edge deviations for tuning the write strategy parameters respectively corresponding to the data set utilizing the data-to-clock edge deviations types.