CN101211629A - Optical disc video recorder data recording method - Google Patents
Optical disc video recorder data recording method Download PDFInfo
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- CN101211629A CN101211629A CNA2006101479038A CN200610147903A CN101211629A CN 101211629 A CN101211629 A CN 101211629A CN A2006101479038 A CNA2006101479038 A CN A2006101479038A CN 200610147903 A CN200610147903 A CN 200610147903A CN 101211629 A CN101211629 A CN 101211629A
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Abstract
The invention relates to a data recording method for compact disc recorder. For instance, in disc recorders like a DVD recorder, the optimal power computation is operated before the data recording operation is run. When the data can not be recorded in a power correcting area (PCA) the disposable recorded DVD or the like compact discs, the optimal recording light power value is set according to a beta value after reading the recorded data and detecting the beta value, thus running the data recording operation normally. The invention can prevent the occurrence of data recording error caused by the optimal power computation operation error.
Description
Technical area
The present invention is relevant with the data record method in the optical disk recorder, for example, with in the various optical disk recorder of DVD recorder types such as (DVD-Recorder), be that normal operation best power calculates (OPC:Optimum Power Calculation) running, prevent that the data record method in the optical disk recorder of data recording mistake is relevant.
Background technology
Generally, can non-volatile recording in the various optical disk recorder of the types such as DVD video tape recorder of voice data of the video data of storage high image quality and high tone quality, in can writing down 1 time DVD CDs such as (for example DVD-R/+R) under the situation of record data, as shown in Figure 1, (PCA:Power Calibration Area: power calibration area) after the zone, the operation best power calculates (OPC) running choosing the PCA that is distributed in the disk inner zone.
On the one hand, above-mentioned PCA zone, for example n error correcting code (ECC:Error Correction Code) is when being allocated to piece, 1 error correction code block is formed (the 1st sector, the 2nd sector ... the 16th sector) by 16 sectors (Sector), in the running of 1 suboptimum power calculation (OPC), use 16 sectors (Sector).
And, in each sector of above-mentioned 16 sectors, as shown in Figure 1, use 16 different recording optical power values (Power) (the 1st recording optical power value～the 16th recording optical power value) each other, when recording text (Test) data, the 1st recording optical power value (Power1) is the specific light performance number that configures in advance, and the 2nd to the 16th optical power value (Power2～16) is the optical power value that has nothing in common with each other that progressively increases set by step on the basis of above-mentioned particular value.
In addition, in above-mentioned optical disk recorder, read the different text data that writes down in 16 sectors respectively, after detecting the RF value, measure the beta value of each sector, for example, filter out the particular sector that detects maximum RF value (for example: β value sector 2) for beta β value after, the recording optical power value that in that viewpoint, writes down (for example: power 2) be set at the best titime optical power value, record data in the optical disc data zone.
But, in general optical disk recorder, before the above-mentioned data recording running of operation, need operate in a succession of best power calculating (OPC) running of recording text data in the above-mentioned PCA zone, for example, as shown in Figure 2, owing to calculate and operate when can not be again in above-mentioned PCA zone, not moving best power during the recording text data, even therefore exist and in the data area, have remaining record space, can not service data write down the problem of running.
Summary of the invention
Therefore, the present invention puts forward for addressing the above problem, for example in the various optical disk recorder of DVD recorder types such as (DVD-Recorder), even calculate the PCA zone of CD of (OPC) running for the operation best power full, the data that write down in reading above-mentioned PCA zone also detect after β (Beta) value, be worth according to its β (Beta), set the best titime optical power value, for the data record method that operates in a kind of optical disk recorder that provides is provided normal service data, this is a purpose of the present invention.
For reaching above-mentioned purpose, the data record method in the optical disk recorder of the present invention comprises: the 1st step, if in the PCA zone of CD, data recording is arranged, read the data of above-mentioned record and detect β (Beta) value; The 2nd step, and according to the above-mentioned β value that detects, after setting the best titime optical power value, record data are its feature in the optical disc data zone.
And, in above-mentioned the 1st step, when the operation best power calculates (OPC) running,, be that also to detect the β value respectively be its feature to the unit sense data with each sector (Sector) of error correcting code (ECC) piece if in the PCA zone of CD, data recording is arranged.
And, above-mentioned the 2nd step comprises: subordinate's the 1st step, relatively each sector (Sector) with error correcting code (ECC) piece is each β value that unit detects, and after filtering out the best value, the screening of the recording optical power value of that viewpoint is the best titime optical power value; And subordinate's the 2nd step, after the above-mentioned running of all error correction code blocks that in implementing, distribute, calculate the average record optical power value to the PCA zone, after setting the best titime optical power value, record data are its feature in the optical disc data zone.
And above-mentioned CD is if can write down once CD, and above-mentioned error correction code block is divided into 16 sectors, and being set to the value that differs from one another with each sector unit corresponding recording optical power value is its feature.
Effect of the present invention:
Data record method in the invention described above optical disk recorder, for example, in the various optical disk recorder of DVD recorder types such as (DVD-Recorder), before the running of service data record, the operation best power calculates (OPC) running, when in the PCA zone that can not can write down DVD CDs such as (DVD-R/+R) once again during record data, after reading the data that write down and detecting the β value, be worth according to its β (Beta), set the best titime optical power value, the running of normal service data record, this is to prevent to calculate the wrong very useful invention that causes the data recording mistake of running by best power.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 represents: illustrate the synoptic diagram that general best power calculates the embodiment of running.
Fig. 2 represents: the synoptic diagram of the embodiment that makes a mistake in the diagram general data recording process.
Fig. 3 represents: diagram is applied to the formation synoptic diagram of optical disk recorder of the present invention.
Fig. 4 represents: the operation workflow synoptic diagram that illustrates the data record method in the optical disk recorder of the present invention.
Fig. 5 represents: illustrate the synoptic diagram that best power of the present invention calculates the embodiment of running.
The symbol description of major part in the accompanying drawing:
10: CD 11: light picker
12: spindle motor 13: traction electric machine
14: motor driver 15: CD-ROM driver
16: channel bit scrambler 17: record digital signal processing portion
18:RF handling part 19: regeneration digital signal processing portion
20: servo 21: microcomputer
22: internal memory
Embodiment
Below, the embodiment to the data record method in the optical disk recorder of the present invention is described in detail with reference to accompanying drawing.
At first, data record method of the present invention can be applied to the DVD recorder various optical disk recorders of type such as (DVD-Record), for example, as shown in Figure 3, in above-mentioned optical disk recorder, comprise CD 10, light picker 11, spindle motor (SPM) 12, traction electric machine (SLM) 13, motor driver 14, CD-ROM driver 15, channel bit (CB) scrambler 16, record digital signal processing portion (DSP record) 17, RF handling part 18, regeneration digital signal processing portion (DSP regeneration) 19, servo 20, microcomputer 21 and internal memory 22.
And, above-mentioned internal memory 22 can service routine internal memory (EEPROM) or flash memory Nonvolatile memories such as (Flash Memory), in above-mentioned internal memory 22, for example, with reference to Fig. 1, can storage administration the recording optical power value of each different step (Power1～16) as the aforementioned.
In addition, in above-mentioned microcomputer 21, in case the data recording running is applied, after the PCA zone of choosing the DVD CDs such as (for example DVD-R/+R) that can write down once, a succession of best power of logout text data calculates (OPC) running.
On the one hand, in above-mentioned microcomputer 21, for example, as shown in Figure 2, when can not be again in above-mentioned PCA zone during record data, promptly, if in the PCA zone of CD, data recording has been arranged, read the data of above-mentioned record and detect beta (Beta) value.
And according to the above-mentioned beta value that detects, after setting the best titime optical power value, record data in the optical disc data zone are described in detail this below.
Fig. 4 is the operation workflow synoptic diagram of the data record method in the diagram optical disk recorder of the present invention.
S10 for example, in above-mentioned microcomputer 21, before the running of service data record, at first sets best power and calculates (OPC) operational mode, chooses the PCA zone of above-mentioned CD afterwards.
Whether S11 on the one hand, in above-mentioned microcomputer 21, differentiates in above-mentioned PCA zone data by whole records.
S12, for example, if the PCA zone is not full, in above-mentioned microcomputer 21, the general best power of logout text data calculates (OPC) running in the part of records space in above-mentioned PCA zone.
S13, in contrast, as shown in Figure 5, if the PCA zone is full, judgement is the recording text data again, calculate (OPC) running with data readout mode change best power under the data recording pattern, read the data that write down in the above-mentioned PCA zone afterwards and detect the RF value.
S14, on the one hand, in above-mentioned PCA zone, as shown in Figure 5, n error correcting code ECC:ErrorCorrection Code will be allocated to piece, in best power calculating OPC running once, use and 1 16 sector Sector1～16 that error correcting code ECC piece is relevant, in above-mentioned microcomputer 21, detect each RF value of 16 sectors that constitute each error correction code block, and measure β (Beta) value of each sector.
S15, and, filter out with corresponding best value of each error correcting code block unit and best titime optical power value after, for example, as shown in Figure 5, in the 1st to the 16th sector of the 1st error correction code block (ECC Block 1), when the RF value of reading in the 2nd sector (Sector 2) is maximum, when the β value screening with the 2nd sector is the best value of the 1st error correction code block, will be the best titime optical power value of the 1st error correction code block in recording optical power value (Power 2) screening of above-mentioned the 2nd sector record data.
S16, on the other hand, in above-mentioned microcomputer 21, after till n error correction code block (ECC Block n), moving above-mentioned a series of process in order, calculate the mean value of the optimum power value of each error correction code block with average best titime optical power value since the 1st error correction code block (ECCBlock 1).
For example, as shown in Figure 5, with the screening of the best titime optical power value of the 1st error correction code block is that ' Power 2 ' is the recording optical power value ' Power 3 ' of the 3rd sector record with the best titime optical power value screening of the 2nd error correction code block for the recording optical power value of the 2nd sector record, after above-mentioned a series of process repeatedly, be that the recording optical power value of the 2nd sector record is ' during Power 2 ' at last in best titime optical power value screening with n error correction code block, (Power 2 to calculate each recording optical power value with average best titime optical power value, Power3 ... Power 2) mean value.
S17, S18, and, set above-mentioned average best titime optical power value, operate in the above-mentioned data area a succession of data recording running of record A/V data etc., when can not be again in above-mentioned PCA zone during record data, the data of record are set best titime optical power value corresponding with it before reading, thus the running of normal service data record.
Those of ordinary skill in the present technique zone will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (4)
1. the data record method in the optical disk recorder is characterized in that comprising:
The 1st step if in the PCA zone of CD data recording is arranged, is read the data of above-mentioned record and is detected the β value; And
The 2nd step, according to the above-mentioned β value that detects, after setting the best titime optical power value, record data in the optical disc data zone.
2. the data record method in the optical disk recorder as claimed in claim 1 is characterized in that:
In above-mentioned the 1st step, when the operation best power calculates running,, be the unit sense data and detect the β value respectively with each sector of error correction code block if in the power calibration area of CD, data recording is arranged.
3. the data record method in the optical disk recorder as claimed in claim 2 is characterized in that:
Comprise in above-mentioned the 2nd step:
Subordinate's the 1st step, relatively each sector with the error correction code block is each β value that unit detects, and after filtering out the best value, the screening of the recording optical power value of that viewpoint is the best titime optical power value; And
Subordinate's the 2nd step after the above-mentioned running of all error correction code blocks that distribute, is calculated the average record optical power value in implementing power calibration area, after setting the best titime optical power value, and record data in the optical disc data zone.
4. the data record method in the optical disk recorder as claimed in claim 1 is characterized in that:
Above-mentioned CD is if can write down once CD, and above-mentioned error correction code block is divided into 16 sectors, is set to the value that differs from one another with each sector unit corresponding recording optical power value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101479038A CN101211629A (en) | 2006-12-25 | 2006-12-25 | Optical disc video recorder data recording method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101479038A CN101211629A (en) | 2006-12-25 | 2006-12-25 | Optical disc video recorder data recording method |
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| Publication Number | Publication Date |
|---|---|
| CN101211629A true CN101211629A (en) | 2008-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101479038A Pending CN101211629A (en) | 2006-12-25 | 2006-12-25 | Optical disc video recorder data recording method |
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|---|---|
| CN (1) | CN101211629A (en) |
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- 2006-12-25 CN CNA2006101479038A patent/CN101211629A/en active Pending
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Open date: 20080702 |