CN101521029B - Optimal Programming Power Calibration Method for Improving Tracking Stability in Power Calibration Area - Google Patents
Optimal Programming Power Calibration Method for Improving Tracking Stability in Power Calibration Area Download PDFInfo
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- CN101521029B CN101521029B CN2008100828172A CN200810082817A CN101521029B CN 101521029 B CN101521029 B CN 101521029B CN 2008100828172 A CN2008100828172 A CN 2008100828172A CN 200810082817 A CN200810082817 A CN 200810082817A CN 101521029 B CN101521029 B CN 101521029B
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Abstract
An optimal recording power calibration method for improving tracking stability of a power calibration area, the optimal recording power calibration method using a specific area as a data writing area during recording power calibration, wherein the length of the specific area can provide multiple times of optimal recording power calibration, the optimal recording power calibration method comprises the following steps: an optimal recording power calibration step, recording a first length of calibration data with different writing powers in a specific area, and calibrating an optimal recording power; and a data writing step of writing information with a second length having a logical address into the data area with a data writing power near the calibration burning section of the specific area, wherein the data area burned in the step is defined as an information burning section, so that the tracking stability of the specific area is improved by using the characteristic that the information burning section has the logical address when power calibration is performed next time.
Description
Technical field
The invention relates to the best recording power bearing calibration that improves capability correction district track-seeking stability, particularly improve the best recording power bearing calibration of capability correction district track-seeking stability about increasing white space reservation step and/or data write step newly.
Background technology
Fig. 1 is the DATA DISTRIBUTION zone of general optical disk, comprise medium pore, can't write the zone, the capability correction zone (Power Calibration Area, PCA), PMA, ingress area (Lead-in Area), program area (Program Area) and can write user zone (Recordable User Area).Therefore, when carrying out best recording power aligning step, all be to write the zone as test generally with capability correction zone PCA.As for how carrying out best recording power aligning step is known technology, no longer repeat specification.
Fig. 2 writes the distribution schematic diagram of test data at capability correction zone PCA for traditional best recording power bearing calibration.Can know understanding by this figure, adjacent twice opc test writes regional A and opc test writes between the area B and white space or the zone of the best (or preferable) power without reserve.So there is following shortcoming in traditional best recording power bearing calibration:
(1) Writing power that is used for the capability correction district scarcely is an optimum write power, so that its logical address (Logical Address, or be called RF ID) is not easy is decoded.
(2) the part disc is after writing, and its physical address (Physical Address, or be called Wobble ID) is not easy decoded.
Because (1) factors such as (2) causes optical disc drive not good in the track-seeking stability in the capability correction district of optics storage disc, need the more rail time of seeking, even seek the rail failure.
Summary of the invention
Because the problems referred to above, the best recording power bearing calibration that the present invention improves capability correction district track-seeking stability is to utilize white space to keep step and/or data write step, increases track-seeking stability effectively, and especially the capability correction district seeks the rail performance.
For reaching above-mentioned purpose, the present invention improves the best recording power bearing calibration of capability correction district track-seeking stability, this the best recording power bearing calibration is to write the zone with a specific region as the data of recording power timing, and the length of this specific region can provide the inferior best recording power of plural number to proofread and correct, this the best recording power bearing calibration comprises the following step: a best recording power aligning step, be in the specific region, correction data with different Writing power burning one first length, and proofread and correct out a best recording power, and the data segments of this step institute burning is defined as a correction burning section; An and data write step, be by the correction burning section of specific region, write the information of second length with logical address with a data Writing power, and the data segments of this step institute burning is defined as an information burning section, use when carrying out capability correction next time, utilize this information burning section to have the characteristic of logical address, promote track-seeking stability for the specific region.
Owing to keep one section white space between the correction burning section of best recording power aligning step and the information burning section of last best recording power timing, by the physical address of this white space, when carrying out capability correction, promote track-seeking stability for the specific region next time.
Description of drawings
Fig. 1 is the DATA DISTRIBUTION zone of general optical disk;
Fig. 2 writes the distribution schematic diagram of test data at capability correction zone PCA for traditional best recording power bearing calibration;
Fig. 3 A improves first embodiment of the best recording power bearing calibration of capability correction district track-seeking stability for the present invention, and it writes test data and the distribution schematic diagram that normally writes data at capability correction zone PCA;
Fig. 3 B is the process flow diagram of first embodiment;
Fig. 4 A improves second embodiment of the best recording power bearing calibration of capability correction district track-seeking stability for the present invention, and it writes test data and the distribution schematic diagram that keeps white space at capability correction zone PCA;
Fig. 4 B is the process flow diagram of first embodiment;
Fig. 5 A improves the 3rd embodiment of the best recording power bearing calibration of capability correction district track-seeking stability for the present invention, and it writes test data, normally writes data and the distribution schematic diagram that keeps white space at capability correction zone PCA;
Fig. 5 B is the process flow diagram of first embodiment.
Embodiment
Below with reference to the graphic detailed description best recording power bearing calibration that improves capability correction district track-seeking stability of the present invention.
Fig. 3 A improves first embodiment of the best recording power bearing calibration of capability correction district track-seeking stability for the present invention, and it writes test data and the distribution schematic diagram that normally writes data at capability correction zone PCA.Fig. 3 B is the process flow diagram of first embodiment.As shown in Figure 3A, correction burning section A and information burning section A are that section, correction burning section B and the information burning section B of recording power timing institute burning for the first time are the sections of recording power timing institute burning for the second time.
Below with reference to shown in Fig. 3 B and cooperate Fig. 3 A explanation implementation step.First embodiment that improves the best recording power bearing calibration of capability correction district track-seeking stability of the present invention: at first carry out best recording power aligning step, be the test data (S304) that writes one first length at capability correction district PCA, as correction burning section A or the correction burning section B of Fig. 3 A; Write the information (S306) of second length that contains logical address with a data Writing power at capability correction district PCA, as information burning section A and the information burning section B of Fig. 3 A.Capability correction district PCA also can be the reserve area of discs.And the optimum write power that the data Writing power can be obtained for best recording power aligning step (S304), the Writing power (being that its logical address can decodedly obtain) that can guarantee to write quality or the Writing power of decision in advance.So, because information burning section A and information burning section B are to carry out the information that burning contains logical address with the data Writing power, when rail is sought in the capability correction district, then can guarantee to have correct logical address can supply to utilize afterwards.So, can avoid because the Writing power that is used for capability correction district PCA scarcely is an optimum write power, make its logical address and be not easy decoded and problem that cause.And second length can be to consider its logical address decoding of various optics storage discs the shortest required logic length.And so-called best recording power aligning step is meant the PCA in the capability correction district, writes the correction data of one first length with different Writing powers, and proofreaies and correct out a best power.
Fig. 4 A improves second embodiment of the best recording power bearing calibration of capability correction district track-seeking stability for the present invention, and it writes test data and the distribution schematic diagram that keeps white space at capability correction zone PCA.Fig. 4 B is the process flow diagram of second embodiment.Shown in Fig. 4 A, proofread and correct burning section A and be recording power timing institute burning for the first time section, proofread and correct section that the burning section B is recording power timing institute burning for the second time and the blank section A white space that to be the correction burning section B of recording power timing for the second time kept with the correction burning section A of (last time) recording power timing for the first time.
Below with reference to shown in Fig. 4 B and cooperate Fig. 4 A explanation implementation step.Second embodiment that improves the best recording power bearing calibration of capability correction district track-seeking stability of the present invention: at first before implementing best recording power aligning step, on capability correction district PCA, once proofread and correct the other zone of reserving a moderate length of burning section, as one the 3rd length, and then do not implement write activity (S404), then, carry out best recording power aligning step, write the test data (S406) of first length at capability correction district PCA.That is, between adjacent two correction burning section A, B, keep one section white space and do not implement burning.So, when rail was sought in the capability correction district, this wave that blank section produced (wobble) signal of not implementing write activity can guarantee to have correct physical address can supply to utilize afterwards.So can avoid disc scarcely is optimum write power at the Writing power in capability correction district, thereby cause wave (wobble) signal on the disc destroyed, produce physical address and be not easy decoded problem.And so-called the 3rd length can consider that various optics storage discs have its entity address decoding the shortest required physical length.
Fig. 5 A improves the 3rd embodiment of the best recording power bearing calibration of capability correction district track-seeking stability for the present invention, and it writes test data, normally writes data and the distribution schematic diagram that keeps white space at capability correction zone PCA.Fig. 5 B is the process flow diagram of the 3rd embodiment.Shown in Fig. 5 A, proofread and correct burning section A and information burning section A and be recording power timing institute burning for the first time section, proofread and correct section that burning section B and information burning section B are recording power timing institute burnings for the second time and blank section A be recording power timing for the second time correction burning section B and the first time (last time) recording power timing the white space that kept of correction burning section A.
Below with reference to shown in Fig. 5 B and cooperate Fig. 5 A explanation implementation step.The 3rd embodiment that improves the best recording power bearing calibration of capability correction district track-seeking stability of the present invention: at first before implementing best recording power aligning step, on capability correction district PCA, once proofread and correct the other zone of reserving a moderate length of burning section, as the white space A of the 3rd length, and then do not implement write activity (S504); Then, carry out best recording power aligning step, promptly write the test data (S505) of first length, as correction burning section A or the correction burning section B of Fig. 5 A at capability correction district PCA; At last, write the information (S506) of second length that contains logical address with a data Writing power at capability correction district PCA, as information burning section A and the information burning section B of Fig. 5 A.Because information burning section A and information burning section B are to carry out the information that burning contains logical address with the data Writing power, when rail is sought in the capability correction district, then can guarantee to have correct physical address can supply to utilize afterwards.Moreover, do not implement wave signal that the blank section A of write activity produced and can guarantee to have the correct physical address can be for utilizing.So, can avoid the part disc after writing, its logical address and physical address also are not easy decoded problem.And so-called second length can be to consider its logical address decoding of various optics storage discs the shortest required logic length.And so-called the 3rd length can consider that various optics storage discs have its entity address decoding the shortest required physical length.
Therefore, the best recording power bearing calibration that the present invention improves capability correction district track-seeking stability is to utilize newly-increased white space to keep step and/or data write step, increases track-seeking stability effectively, and especially the capability correction district seeks the rail performance.
Though more than with embodiment the present invention is described, therefore do not limit scope of the present invention, only otherwise break away from main idea of the present invention, the sector person can carry out various distortion or change.
Claims (9)
1. best recording power bearing calibration that improves capability correction district track-seeking stability, be in order at the beginning of inserting CD-ROM drive in discs, carrying out a suboptimum recording power proofreaies and correct, use and obtain a best recording power, and should the bearing calibration of the best recording power be to write the zone as the data of recording power timing with a specific region, and the length of this specific region can provide the inferior best recording power of plural number to proofread and correct, and this best recording power bearing calibration comprises the following step:
One best recording power aligning step is in aforementioned specific region, with the correction data of different Writing power burning one first length, and proofreaies and correct out aforementioned best recording power, and the data segments of this step institute burning is defined as a correction burning section; And
One data write step, be by the aforementioned corrected burning section of aforementioned specific region, write the information of second length with logical address with a data Writing power, and the data segments of this step institute burning is defined as an information burning section, use when carrying out capability correction next time, utilize this information burning section to have the characteristic of logical address, promote track-seeking stability for aforementioned specific region.
2. the best recording power bearing calibration that improves capability correction district track-seeking stability as claimed in claim 1, wherein the aforementioned data Writing power is aforementioned best recording power.
3. the best recording power bearing calibration that improves capability correction district track-seeking stability as claimed in claim 1, the capability correction zone that wherein aforementioned specific region is a discs.
4. the best recording power bearing calibration that improves capability correction district track-seeking stability as claimed in claim 1, wherein aforementioned specific region is the reserve area of discs.
5. the best recording power bearing calibration that improves capability correction district track-seeking stability as claimed in claim 1, wherein aforementioned second length is greater than a data section length.
6. the best recording power bearing calibration that improves capability correction district track-seeking stability as claimed in claim 1, keep one section white space between the information burning section of the aforementioned corrected burning section of wherein aforementioned best recording power aligning step and last best recording power timing, by the physical address of this white space, when carrying out capability correction, promote track-seeking stability for aforementioned specific region next time.
7. best recording power bearing calibration that improves capability correction district track-seeking stability, be in order to being at the beginning of discs is inserted CD-ROM drive, carrying out a suboptimum recording power proofreaies and correct, use and obtain a best recording power, and should the bearing calibration of the best recording power be to write the zone as the data of recording power timing with a specific region, and the length of this specific region can provide the inferior best recording power of plural number to proofread and correct, and this best recording power bearing calibration comprises the following step:
One best recording power aligning step is in aforementioned specific region, with the correction data of different Writing power burning one first length, and proofreaies and correct out aforementioned best recording power, and the data segments of this step institute burning is defined as a correction burning section;
Wherein, keep one section white space between the correction burning section of the aforementioned corrected burning section of aforementioned best recording power aligning step and last best recording power timing, by the physical address of this white space, when carrying out capability correction, promote track-seeking stability for aforementioned specific region next time.
8. the best recording power bearing calibration that improves capability correction district track-seeking stability as claimed in claim 7, the capability correction zone that wherein aforementioned specific region is a discs.
9. the best recording power bearing calibration that improves capability correction district track-seeking stability as claimed in claim 7, wherein aforementioned specific region is the reserve area of discs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100828172A CN101521029B (en) | 2008-02-28 | 2008-02-28 | Optimal Programming Power Calibration Method for Improving Tracking Stability in Power Calibration Area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100828172A CN101521029B (en) | 2008-02-28 | 2008-02-28 | Optimal Programming Power Calibration Method for Improving Tracking Stability in Power Calibration Area |
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| CN101521029A CN101521029A (en) | 2009-09-02 |
| CN101521029B true CN101521029B (en) | 2011-10-26 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1381840A (en) * | 2001-04-16 | 2002-11-27 | 台达电子工业股份有限公司 | Optical drive tracking servo system and method |
| CN1605097A (en) * | 2001-11-29 | 2005-04-06 | 索尼株式会社 | Optical recording medium and recording device for this optical recording medium and recording method |
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- 2008-02-28 CN CN2008100828172A patent/CN101521029B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1381840A (en) * | 2001-04-16 | 2002-11-27 | 台达电子工业股份有限公司 | Optical drive tracking servo system and method |
| CN1605097A (en) * | 2001-11-29 | 2005-04-06 | 索尼株式会社 | Optical recording medium and recording device for this optical recording medium and recording method |
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| CN101521029A (en) | 2009-09-02 |
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Granted publication date: 20111026 Termination date: 20170228 |