CN1263006C - Record speed multiplay detecting method for optical record player and recording method thereby - Google Patents
Record speed multiplay detecting method for optical record player and recording method thereby Download PDFInfo
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- CN1263006C CN1263006C CN 03150497 CN03150497A CN1263006C CN 1263006 C CN1263006 C CN 1263006C CN 03150497 CN03150497 CN 03150497 CN 03150497 A CN03150497 A CN 03150497A CN 1263006 C CN1263006 C CN 1263006C
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Abstract
The present invention relates to a recording multiple speed detecting method for an optical record player, and a recording method utilizing the detecting method. The recording multiple speed detecting method for the optical record player comprises the following steps: tracking errors in a specified domain are detected at a comparatively highest recording multiple speed; whether focus errors and the tracking errors which are detected at the highest recording multiple speed exceed a definite value or not is judged; if the focus errors and the tracking errors exceed the definite values, a recording multiple speed which is lower than the recording multiple speed used in the former step is adopted for detecting the focus errors and the tracking errors; and in order to make the focus errors and the tracking errors can not exceed the definite values, the recording multiple speed is decreased repeatedly for determining the steps of the recording multiple speed. Because the recording multiple speed detecting method and the recording method utilizing the detecting method, especially in an zoneCLV mode, determine the optimal recording multiple speed for each domain of a CD before recording, and the recording quality can be improved.
Description
(1) technical area
The present invention is the record speed multiplay method for detecting of relevant optical recording player and the method for utilizing it to write down, refer in particular to mode at zoneCLV, the doubly fast laggard line item of each regional best titime of decision CD before the record, can improve recording quality a kind of optical recording player the record speed multiplay method for detecting and utilize its recording method.
(2) background technology
Recently, along with the high power speedization of optical disc recording apparatus, the rotation times speed of CD is also more and more faster in the driver.Therefore need to adopt corresponding variety of way to carry out record.
Fig. 1 is the recording method precedence diagram of the zoneCLV mode of original technology.As shown in the figure:
Flow process begins;
S101: at first, each optical disc production producer reading and recording is at the optimal recording power displayed value (Indicative Optimum Recording Power:P-ind) of above-mentioned CD, the result that utilization is read determines standard recording power and variable power specification, here, recording power that each is regional and record speed multiplay also can carry out OPC in the PCA zone, determine doubly speed of each regional record.
Above-mentioned PCA is, for the zone of finding out optimal recording power from the specification standards of record with CD is best power control (Optimum Power Control:OPC) zone, and draw the power calibration area (Power Calibration Area:PCA) that read zone the inside of above-mentioned record with CD.
S102: thereupon,, carry out the record in a zone (zone 1),, write down (the tidemark times speed recording in zone 1) here with the record speed multiplay of above-mentioned zone according to the record speed multiplay that determines in the said process.
S103: after the record of above-mentioned zone carries out, be transformed into other zones (zone 2), write down (the tidemark times speed recording in zone 2) to be matched with its regional record speed multiplay, flow process finishes.
As use said method that CD is carried out record, not only can not find doubly speed of best titime that when record should the zone, when on the pen recorder of high power speedization more and more, writing down, the quality of focus signal and tracking signal can't guarantee, also can produce the record failure or the recording quality difference causes problems such as playing difficulty because of it.
(3) summary of the invention
The present invention proposes in order to improve the problems referred to above, purpose is to provide especially in the zoneCLV mode, the doubly fast laggard line item of each regional best titime of decision CD before the record, can improve recording quality a kind of optical recording player the record speed multiplay method for detecting and utilize its recording method.
The object of the present invention is achieved like this:
A kind of record speed multiplay method for detecting of optical recording player comprises:
With corresponding tidemark times speed, detect the step of trail-and-error in the appointed area;
Judge the above-mentioned focusing that detects with high power speed, the step whether trail-and-error surpasses certain value within a certain period of time;
If the doubly focusing that detects of speed of above-mentioned tidemark, trail-and-error are certain value when above within a certain period of time, adopt and hang down 1 grade record speed multiplay than above-mentioned record speed multiplay, detect the step of focusing, trail-and-error;
If the doubly fast focusing that detects of above-mentioned tidemark, trail-and-error is not when certain value is above within a certain period of time, the tidemark that times quick decision of described tidemark is decided to be described appointed area is doubly fast, the conversion disc area, the disc area of conversion is doubly fast as tidemark, detect focusing, trail-and-error, judge the focusing of the disc area of described conversion then, whether trail-and-error surpasses certain value, focusing in the disc area of judging described conversion, when whether trail-and-error surpasses certain value, focusing with described appointed area, the process of trail-and-error is the same, determines the step of the record speed multiplay of domain transformation repeatedly;
In order not allow the doubly fast focusing that detects of above-mentioned tidemark, trail-and-error surpass certain value, reduce record speed multiplay repeatedly always, after being no more than certain value, the step of decision record speed multiplay;
In order not allow above-mentioned focusing, the trail-and-error that detects with the record speed multiplay of low 1 grade of record speed multiplay surpass certain value, reduce record speed multiplay repeatedly always, after being no more than certain value, the step of decision record speed multiplay.
In addition, a kind of recording method of optical recording player of the record speed multiplay method for detecting that utilizes optical recording player as claimed in claim 1 comprises:
With the doubly fast step that writes down of the best titime of appointed area;
Above-mentioned carry out recording step after, detect the step of focusing, trail-and-error;
Detect in the wrong step above-mentioned, whether misjudgment surpasses the step of certain value;
In above-mentioned determining step, mistake is certain value when above, stops record, reduces the stage of record speed multiplay;
Judge the step whether the OPC result of the record speed multiplay of above-mentioned reduction exists;
When if the OPC result of above-mentioned record speed multiplay exists, the step that writes down with above-mentioned OPC result.
Effect of the present invention:
About the record speed multiplay method for detecting of optical recording player of the present invention and utilize the method for its record, especially in the zoneCLV mode, the doubly fast laggard line item of each regional best titime of decision CD before the record is to improve recording quality.
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.
(4) description of drawings
Fig. 1 is the recording method precedence diagram of the zoneCLV mode of original technology;
Fig. 2 is the precedence diagram according to the record speed multiplay method for detecting of optical recording player of the present invention;
Fig. 3 is the recording method precedence diagram about optical recording player of the present invention.
(5) embodiment
Describe the record speed multiplay method for detecting of a kind of optical recording player of the present invention with reference to the accompanying drawings in detail and utilize the embodiment of its recording method.
Fig. 2 is the precedence diagram according to the record speed multiplay method for detecting of optical recording player of the present invention.As shown in the figure:
Flow process begins;
S201, the zone that at first exemplifies zoneCLV mode CD is 2 embodiment when regional, detects focusing, trail-and-error with the tidemark times speed in zone 1.
Next S202 judges, above-mentioned detect into tidemark doubly speed focusing, trail-and-error within a certain period of time, whether surpass more than the certain value?
S203, detect among the above-mentioned flow process S202 that doubly focusing, the trail-and-error of speed are that certain value is when above for tidemark, detect focusing, trail-and-error with record speed multiplay than low 1 grade of above-mentioned record speed multiplay, above-mentioned tidemark doubly focusing, the trail-and-error of speed is that certain value is when above, recording quality is poor, the possibility height of failing in the recording process is so need to reduce doubly speed.
Does S204 afterwards, judge that the focusing, the trail-and-error that detect with above-mentioned low 1 grade record speed multiplay maintain more than the certain value within a certain period of time?
S205 is not certain value when above if judge focusing, trail-and-error that above-mentioned low 1 grade record speed multiplay detects among the flow process S204, is above-mentioned low 1 grade record speed multiplay decision regional 1 record speed multiplay; If judging above-mentioned improper value among the flow process S204 is certain value when above, get back to flow process 203, reduce record speed multiplay repeatedly always, after being no more than certain value, the record speed multiplay in decision zone 1, flow process end.
S206 in addition, judges the doubly fast focusing that detects of above-mentioned tidemark, trail-and-error within a certain period of time in flow process S202, when improper value is no more than certain value, times quick decision of above-mentioned tidemark is decided to be the tidemark times speed in zone 1.
S207 transforms to zone 2 to disc area, and zone 2 is doubly fast as tidemark, detects focusing, trail-and-error.
Next S208 carries out, judge whether the focusing of above-mentioned zone 2, trail-and-error surpass certain value? if this moment, focusing, the trail-and-error of determinating area 2 were not when surpassing certain value, the record speed multiplay in decision zone 2, flow process finishes.
S209 if judge among the flow process S208 that above-mentioned mistake is more than certain value, just reduces record speed multiplay, detects focusing, trail-and-error.
Does S210 judge whether the focusing of above-mentioned zone 2, trail-and-error surpass certain value this moment once more?
S211, if the focusing of determinating area 2, trail-and-error are not the record speed multiplays in decision zone 2 when surpassing certain value among the flow process S210, flow process finishes; If judging above-mentioned improper value among the flow process S204 is certain value when above, get back to flow process 203, reduce record speed multiplay repeatedly always, after being no more than certain value, the record speed multiplay in decision zone 2, flow process end.
These steps are with identical to the process of above-mentioned zone 1 decision record speed multiplay.
If when also having disc area to exist, carry out said process repeatedly and decide record speed multiplay.
Fig. 3 is the recording method precedence diagram about optical recording player of the present invention.
As shown in the figure:
S301, according to above-mentioned record speed multiplay method for detecting, decision is carried out record in the best titime times speed in zone 1.
S302 also detects focusing, trail-and-error in carrying out above-mentioned recording process.
Does S303 judge whether the above-mentioned mistake that detects surpasses certain value? here, also continue to survey focusing, trail-and-error in the middle of the record, judge whether surpassed certain value within a certain period of time, can know in advance that the possibility and the recording quality of record failure is bad.
S304 in above-mentioned determining step, if mistake is more than the certain value, just stops record the process, and present record speed multiplay is reduced.
Does next S305 need to judge that whether the OPC of the record speed multiplay of above-mentioned reduction exists?
S306 if OPC result exists in the above-mentioned steps, just determines record speed multiplay with OPC result, carries out record.
S307 after the step that above-mentioned zone 1 usefulness OPC result is write down, judges whether the conversion disc area, carries out the doubly record of speed of best titime.In above-mentioned flow process S303, if in judgement, within a certain period of time, mistake does not surpass certain value, and then, directly arrive flow process S307 this moment, judge whether the conversion disc area? do not have domain transformation if judge this moment, flow process finishes.
If have domain transformation this moment, after domain transformation, get back to flow process S301, as the process of the best titime times speed recording that determines above-mentioned zone 1, record is also carried out in zone 2.
S308 in addition, in above-mentioned flow process 305, judges the step whether OPC of the record speed multiplay of above-mentioned reduction exists, and if there is no OPC result just carries out OPC, utilizes its result to carry out record.Here, above-mentioned OPC is carried out the result be saved in storer, when writing down, can omit next time and carry out OPC.
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, a kind of record speed multiplay method for detecting of optical recording player, its feature comprises:
With corresponding tidemark times speed, detect the step of focusing, trail-and-error in the appointed area;
Judge the above-mentioned focusing that detects with high power speed, the step whether trail-and-error surpasses certain value within a certain period of time;
If the doubly focusing that detects of speed of above-mentioned tidemark, trail-and-error are certain value when above within a certain period of time, adopt and hang down 1 grade record speed multiplay than above-mentioned record speed multiplay, detect the step of focusing, trail-and-error;
If the doubly fast focusing that detects of above-mentioned tidemark, trail-and-error is not when certain value is above within a certain period of time, the tidemark that times quick decision of described tidemark is decided to be described appointed area is doubly fast, the conversion disc area, the disc area of conversion is doubly fast as tidemark, detect focusing, trail-and-error, judge the focusing of the disc area of described conversion then, whether trail-and-error surpasses certain value, focusing in the disc area of judging described conversion, when whether trail-and-error surpasses certain value, focusing with described appointed area, the process of trail-and-error is the same, determines the step of the record speed multiplay of domain transformation repeatedly;
For do not allow above-mentioned with tidemark doubly the focusing, the trail-and-error that detect of speed surpass certain value, reduce record speed multiplay repeatedly always, after being no more than certain value, the step of decision record speed multiplay;
In order not allow above-mentioned focusing, the trail-and-error that detects with the record speed multiplay of low 1 grade of record speed multiplay surpass certain value, reduce record speed multiplay repeatedly always, after being no more than certain value, the step of decision record speed multiplay.
2, a kind of recording method of optical recording player of the record speed multiplay method for detecting that utilizes optical recording player as claimed in claim 1, its feature comprises:
With the doubly fast step that writes down of the best titime of appointed area;
Above-mentioned carry out recording step after, detect the step of focusing, trail-and-error;
Detect in the wrong step above-mentioned, whether misjudgment surpasses the step of certain value;
In above-mentioned determining step, mistake is certain value when above, stops record, reduces the step of record speed multiplay;
Judge the step whether the OPC result of the record speed multiplay of above-mentioned reduction exists;
When if the OPC result of above-mentioned record speed multiplay exists, the step that writes down with above-mentioned OPC result.
3, the recording method of optical recording player as claimed in claim 2, its feature also comprises:
After the step that writes down with OPC result in described appointed area, when the conversion disc area is carried out writing down with best titime times speed, repeatedly with the above-mentioned appointed area best titime recording process of speed doubly, the step that the zone of conversion is write down.
4, the recording method of optical recording player as claimed in claim 2, it is characterized in that in the step whether described OPC result who judges the record speed multiplay of above-mentioned reduction exists, if there is no OPC just carries out OPC as a result the time, carries out record with above-mentioned OPC result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03150497 CN1263006C (en) | 2003-08-22 | 2003-08-22 | Record speed multiplay detecting method for optical record player and recording method thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03150497 CN1263006C (en) | 2003-08-22 | 2003-08-22 | Record speed multiplay detecting method for optical record player and recording method thereby |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1584998A CN1584998A (en) | 2005-02-23 |
| CN1263006C true CN1263006C (en) | 2006-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03150497 Expired - Fee Related CN1263006C (en) | 2003-08-22 | 2003-08-22 | Record speed multiplay detecting method for optical record player and recording method thereby |
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| Country | Link |
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| CN (1) | CN1263006C (en) |
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- 2003-08-22 CN CN 03150497 patent/CN1263006C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1584998A (en) | 2005-02-23 |
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