DYNAMIC WRITE STRATEGY MODIFICATION METHOD AND APPARATUS
First Claim
1. A dynamic write strategy modification method comprising:
- writing a plurality of data on to an optical disk according to a writing strategy with at least three parameters;
measuring at least two quality indices of the data wrote on the optical disk;
storing a result comprising the parameters and the corresponding quality indices;
judging whether a terminate condition is achieved;
if no, changing the parameters and repeating the above steps; and
if yes, analyzing the stored results and outputting an optimal writing strategy with at least three optimal parameters.
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Abstract
The invention relates to write strategy modification, and in particular, to dynamic write strategy modification. A dynamic write strategy modification method comprises: writing a plurality of data on to an optical disk according to a writing strategy with at least three parameters; measuring at least two quality indices of the data wrote on the optical disk; storing a result comprising the parameters and the corresponding quality indices; judging whether a terminate condition is achieved; if no, changing the parameters and repeating the above steps; if yes, analyzing the stored results and outputting an optimal writing strategy with at least three optimal parameters.
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Citations
21 Claims
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1. A dynamic write strategy modification method comprising:
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writing a plurality of data on to an optical disk according to a writing strategy with at least three parameters;
measuring at least two quality indices of the data wrote on the optical disk;
storing a result comprising the parameters and the corresponding quality indices;
judging whether a terminate condition is achieved;
if no, changing the parameters and repeating the above steps; and
if yes, analyzing the stored results and outputting an optimal writing strategy with at least three optimal parameters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A dynamic write strategy modification apparatus comprising:
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a pick-up head (PUH) for writing a plurality of data on to an optical disk according to a writing strategy with at least three parameters;
an RF signal processing circuit for measuring at least two quality indices of the data wrote on the optical disk;
an adjusting control circuit for storing a result comprising the parameters and the corresponding quality indices;
judging whether a terminate condition is achieved;
if no, changing the parameters to generating a next write strategy and transmitting the next write strategy to the PUH; and
if yes, sending the results; and
a result processing unit for receiving the results from the adjusting control circuit;
analyzing the stored results; and
outputting an optimal writing strategy with at least three optimal parameters according to the analyzing. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification