CN1584998A - 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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- CN1584998A CN1584998A CN 03150497 CN03150497A CN1584998A CN 1584998 A CN1584998 A CN 1584998A CN 03150497 CN03150497 CN 03150497 CN 03150497 A CN03150497 A CN 03150497A CN 1584998 A CN1584998 A CN 1584998A
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Abstract
The method includes. To detect the steps of tracking the error, in the defined domain with the highest speed of recorded. To determine whether the detected focus the tracked error exceed the definite value, if so, applies the lower speed to detect the focus and the tracking error. In order to keep the focus and the tracking error under the definite value, repeat the procedure as above.
Description
(1) technical field
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 best titime ability displayed value (Indicative Optimum Recording Power:P-ind) of above-mentioned CD, the result that utilization is read determines standard recording ability and capacity variation specification, here, registering capacity that each is regional and record speed multiplay also can carry out OPC in the PCA field, determine each field record speed multiplay.
Above-mentioned PCA usefulness is for the field of finding out the best titime ability with the specification standards book of CD from record is that optimum capacity control (Optimum Power Control:OPC) field defines above-mentioned record reads the inside, field with CD ability calibration field (Power Calibration Area:PCA).
S102: thereupon,, carry out the record in a field (zone 1),, write down (the tidemark times speed recording in zone 1) here with the record speed multiplay in above-mentioned field according to the record speed multiplay that determines in the said process.
S103: after the record in above-mentioned field carries out, be transformed into other field (zone 2), write down (the tidemark times speed recording in zone 2) with the record speed multiplay that is matched with its field, flow process finishes.
As use said method that CD is carried out record, the best titime in this field is doubly fast when not only can not find record, 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 at designated field;
Judge the above-mentioned focusing that detects with high power speed, the step whether trail-and-error surpasses certain value;
If the above-mentioned tidemark doubly focusing, the trail-and-error that detect of speed is certain value when above, adopt and hang down 1 grade record speed multiplay than above-mentioned record speed multiplay, detect the step of focusing, trail-and-error;
In order not allow above-mentioned focusing, trail-and-error surpass certain value, to reduce the step that record speed multiplay decides record speed multiplay repeatedly.
Here, judge whether the doubly fast focusing that detects of above-mentioned tidemark, trail-and-error surpass in the step of certain value within a certain period of time, if mistake is when not to be certain value above, the record speed multiplay that times quick decision of above-mentioned tidemark is decided to be above-mentioned designated field, during the conversion field of optical discs, the same with the process of above-mentioned designated field record speed multiplay, determine the step of the record speed multiplay in conversion field repeatedly.
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 designated field;
Above-mentioned carry out recording step after, detect the step of focusing, trail-and-error;
Above-mentioned detect wrong step after, 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 field 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 field of optical discs, 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 field of optical discs 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 field of optical discs, 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 field of optical discs? do not have the field conversion if judge this moment, flow process finishes.
If have the field conversion this moment, after the conversion of field, 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 art 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 (5)
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 at designated field;
Judge the above-mentioned focusing that detects with high power speed, the step whether trail-and-error surpasses certain value;
If the above-mentioned tidemark doubly focusing, the trail-and-error that detect of speed is certain value when above, adopt and hang down 1 grade record speed multiplay than above-mentioned record speed multiplay, detect the step of focusing, trail-and-error;
In order not allow above-mentioned focusing, trail-and-error surpass certain value, to reduce record speed multiplay repeatedly, the step of decision record speed multiplay.
2, the record speed multiplay method for detecting of optical recording player as claimed in claim 1, its feature also comprises:
In whether focusing, trail-and-error that the record speed multiplay of judging with low 1 grade of above-mentioned record speed multiplay detects maintain step more than the certain value within a certain period of time, if mistake is not when certain value is above, the doubly speed that times quick decision of above-mentioned tidemark is decided to be above-mentioned designated field, when the conversion field of optical discs, the same with the process of the above-mentioned designated field record speed multiplay of decision, determine the step of the record speed multiplay in conversion field repeatedly.
3, 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:
The doubly fast step that writes down of the best titime of designated field;
Above-mentioned carry out recording step after, detect the step of focusing, trail-and-error;
Above-mentioned detect wrong step after, 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.
4, the recording method of optical recording player as claimed in claim 3, its feature also comprises:
After the step that described designated field writes down with OPC result, when the conversion field of optical discs is carried out writing down with best titime times speed, repeatedly with the above-mentioned designated field best titime recording process of speed doubly, the step that the field of conversion is write down.
5, the recording method of optical recording player as claimed in claim 3, 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 true CN1584998A (en) | 2005-02-23 |
| CN1263006C 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 |
|---|---|
| CN (1) | CN1263006C (en) |
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2003
- 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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| CN1263006C (en) | 2006-07-05 |
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Granted publication date: 20060705 |