CN1290089C - Disk recording device and disk recording methoed - Google Patents
Disk recording device and disk recording methoed Download PDFInfo
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- CN1290089C CN1290089C CN 03150399 CN03150399A CN1290089C CN 1290089 C CN1290089 C CN 1290089C CN 03150399 CN03150399 CN 03150399 CN 03150399 A CN03150399 A CN 03150399A CN 1290089 C CN1290089 C CN 1290089C
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Abstract
The present invention provides a disk recording device and a disk recording method, which aims to use a swing reproducing signal and a track reproducing signal to determine the recording address and the recording position of a disk in the form of swing phase modulation. Necessary address information for determining a disk recording trace and necessary synchronous timing for determining a connecting position are selected for address information and synchronous information respectively from the swing reproducing signal of an optical disk and a track reproducing signal detecting disk according to self detection state.
Description
Technical area
The present invention relates to disc recording method and disc recording apparatus, especially relate to the optical disc recording medium information of carrying out is write afterwards, the disc recording method and the disc recording apparatus of rewriting period necessity.
Background technology
Can enumerate DVD (general digital dish: DigitalVersatile Disc), but developed DVD-R, the DVD+R of Worm type, the DVD-RW of rewriting type, DVD+RW in recent years as jumbo disc record media as the recording medium of recorded information.(the swing: wobble) or by (the convex-concave district: land pre-pit), recessed district of being carved of the ripple of these the recording track sides of dish on dish, to determine that the record position (track) on the dish is a purpose, modulation records the data that constitute synchronizing signal, address information, additional information.
About modulator approach to above-mentioned synchronizing signal, address signal, additional signal, for example, can enumerate the spy opens shown in the 2001-110061 such, LPP (convex-concave district) form and PM (swaying phase modulation) form, the LPP form is coiled employing by DVD-R, DVD-RW, and the PM form is adopted by DVD+R, DVD+RW.
Here, the PM form is illustrated with Fig. 2.Fig. 2 illustrates PM form one example.(a) swaying phase modulation (wobble phase modulation) method is shown, (b) illustrate ADIP as the component unit of the information of carrying out swaying phase modulation (pre-groove address: address in pre-groove) word constitute, as during the 1ECC message block of the data recording unit of DVD and the relation of the ADIP number of words that wherein comprises and constitute as the hardwood in 1 sector of the component unit of ECC message block, (c) illustrate the ECC message block unit that recording track is carried out rewriting, write afterwards (connection) method.
At (a), the swaying phase modulating part is the part that phase place is done 180 degree reversings, swing in 93 units that appearance spacer region by phase modulating part is divided into and the corresponding ADIP of ADIP word starting point (4 swings at interval), the corresponding bit synchronization of starting point (1 swing at interval), data bit (2 swings at interval) synchronously with each data bit, according to bit synchronization, utilize data bit difference at interval to occur and distinguish 0 data, 1 data.
At (b), the ADIP word constitutes by 52, by the ADIP address that constitute, that definite dish is gone up track position of 3 bytes by ADIP data in synchronization 0 that is equivalent to starting point (=0 is fixing) and data 1～23, the AUX that constitutes with 1 byte by data 24～31 (auxiliary: auxiliary) correct symbol and constitute by data and the mistake that is made of 2.5 bytes of data 32～51, correct the mistake that comprises in the 1ADIP word after the post-equalization.On the other hand, during the ECC message block of record unit, comprise 4 ADIP words and constitute like that, guarantee access credibility the ECC message block of target to dish.The formation of ECC message block is described.ECC message block is made of 16 of the sectors of the access unit when reproducing, and in addition, the Synchronism Unit of relative 1 sectors of data amount when reproducing constitutes by 26 of hardwoods that are made of synchronizing signal, modulating data.(T is the channel bit as the elementary cell of the record mark length on the dish to 1 hardwood by 1488T, T=26.16MHz) data volume forms, and comprises the hardwood synchronizing signal SY0 that represent the sector starting point in the starting point hardwood of 1 sector, is close to the track position established data ID of portion when being used to thereafter coil reproduction.
At (c), method of attachment is that the empty data with the 8T size are added on before the ECC message block that comprises recorded information, the empty data of link position (the 17th the swing position) opening entry of terminal 8T by the past ECC message block, on the link position (the 17th swing position) of the ECC message block terminal 8T that record is ended, stop record, carry out afterwards in ECC message block unit rewriting, write afterwards record.Link position according to the ADIP that crosses of phase modulation (PM) in the swing synchronously, the detection beyond the data bit, the detection of ADIP address information be determined.
The summary of invention
Exist now with DVD+R, various Worm types headed by the DVD+RW, rewriting type dish, yet, during these dishes are rewritten, write afterwards, detection is the address information after modulated for the track position of determining to coil, simultaneously, utilize the detection of synchronizing signal after the modulation etc. and determine to reproduce swing position, promptly determine the work of link position.
Therefore, hinder the detection of the synchronizing signal of modulate etc. attached to the dust on the dish or defective such as damage, when causing the decline of address detected rate, also influence the definite of correct link position, the poorest for departing from addition record of link position ground.
Often there is the situation to writing down with the different track of the track position of record object in Ji Lu dish in such cases, might relate to the destruction of record data.In addition, after being recorded under the vicious situation of link position, near the part of ECC message block data that might be connecting during reproduction is destroyed, mistake and can not reproducing between generating region.
Therefore disc recording apparatus has following problem: even for the dish that has defective, also pursue by address detected and carry out determining of the determining of track position, high precision link position, simultaneously, carry out information rewriting, write afterwards.
Summary of the invention
Therefore, the purpose of this invention is to provide disc recording method and the disc recording apparatus that solves above-mentioned task.
In the present invention, the disc recording apparatus that addresses the above problem a little has at least:
The detecting unit of the 1st address information that is modulated to the 1st synchronizing signal of the starting point of reproducing swinging signal, detection expression the 1st data component unit and in data structure, comprises,
The detecting unit of the 2nd address information that is modulated to the 2nd synchronizing signal of the starting point of reproducing trajectory signal, detection expression the 2nd data component unit and in data structure, comprises,
To the detection of above-mentioned the 1st synchronizing signal regularly and the 2nd synchronizing signal or the 2nd address information detect the 1st selected cell that timing is selected,
To the described the 1st, the 2nd detect the 2nd selected cell selected the address and
According to the detection of selecting from the 1st selected cell regularly with from the detection address that the 2nd selected cell is selected, the swing position that obtains and coil synchronously and determine link position and to carrying out the control module of record controls between the target record track region.
Description of drawings
Fig. 1 is the figure that the 1st embodiment of disc recording apparatus is shown.
Fig. 2 illustrates the figure that the swaying phase modulation format constitutes.
Fig. 3 is the figure that the 1st recording method is shown.
Fig. 4 is the figure that the 2nd recording method is shown.
Fig. 5 is the figure that the 3rd recording method is shown.
Fig. 6 is the process flow diagram that the system of selection of the 1st, 2,3 recording methods is shown.
Fig. 7 is the figure that the 2nd embodiment of disc recording apparatus is shown.
Embodiment
Below, use description of drawings the present invention
Fig. 1 is about data transmission method of the present invention and disc recording apparatus and the figure of the 1st embodiment is shown.Among the figure, the 1st, the CD of swaying phase modulation format; The 2nd, the corresponding shaven head of dish record; The 3rd, according to the laser driver that the record data after modulated produce recording impulse, semiconductor laser that shaven head is comprised is controlled; The 4th, the AFE (AFE (analog front end) rear end) of the record mark on the track that the swinging signal of track, reproduction simultaneously are recorded in CD 1 on bare headed certainly photoelectric detector generation difference signal, the reproduction respective disc; The 5th, wobble detection phase modulation (PM) part, generate during the phase reversal phase modulating part testing circuit as 0 and 1 double quantification pulse; The 6th, the instrumentation pulse width, detect 4 swing widths ADIP synchronously, the bit synchronization of 1 swing width, the data bit of 2 swing widths, carry out ADIP sync detection circuit simultaneously to the synchronous appearance period protection of ADIP; The 7th, after determining the starting point of ADIP word in the detection synchronous, judging 0 data, 1 data, word is constituted post-equalization according to the appearance swing position of data bit by ADIP, carry out mistake and correct the detection of handling ADIP address, back, the ADIP address detection circuit of protection; The 8th, carry out beyond the SY0 that the track reproducing signal comprises the hardwood synchronization signal detection, carry out hardwood sync detection circuit simultaneously to the demodulation process of hardwood data; The 9th, carry out the detection of data portion ID address, the data portion ID testing circuit of protection according to the detection of the hardwood synchronizing signal SY0 of sector starting point and the demodulating data that is close to thereafter; The 10th, the address of the ECC message block unit after remove rudimentary 2 the ADIP address that obtains utilizing 7 ADIP address detection circuit 7 and the address selector that the address selection of rudimentary 4 ECC message block units after removing of data portion ID testing circuit 9 is selected; The 11st, to ADIP synchronization timing that in ADIP sync detection circuit 6, detects protection and the timing selector of regularly selecting in the data portion ID of data portion ID testing circuit 9 detection; The 12nd, to the synchronization control circuit of connecting, disconnecting from the selection output control synchronization output regularly of timing selector 11, the 13rd, record control circuit, the track detection of record object is carried out in the ECC address that ECC address and the record object that utilization obtains begins, ends, simultaneously regularly according to synchronization, carry out synchronization with the swing position of recording track, carry out determining of link position, produce afterwards coiling the record controls signal in target record interval; The 14th, the record data of the ECC message block unit of disc recording are generated the record data at disc recording such as additional that are suitable for modulation treatment, hardwoodization, hardwood synchronizing signal, produce the modulation circuit of data output according to the record controls signal.
Move, be defined as the timing synchronization of purpose, an example of record controls action at the address detected of in the pen recorder of Fig. 1, carrying out, be illustrated with Fig. 3,4,5 with link position.
Fig. 3 is illustrated in and utilizes the 1st synchronous recording method of ECC address, ADIP synchronous detection that obtains according to the ADIP address in the disc recording apparatus of Fig. 1, is applicable to record to indicator not, writing afterwards, rewriteeing the dish that write down.
At Fig. 3, represent the zone of 1ECC message block unit at the PSN shown in the recording track, the data portion ID relative with 16 sectors that comprise in it respectively with 030000～F, 030010～F ... corresponding.Determine regularly that in the ADIP address of ADIP address detection circuit 7 the ECC posting field determines to postpone 4 sector-size relatively.The ECC address that address selector 10 output produces according to ADIP address detected value is carried out and the comparison of start-of-record, end of a period target ECC message block address, is carried out detecting between recording areas at record control circuit 13.Illustrate at Fig. 3 the detection between the recording areas of start-of-record ECC address 03001, end of a period ECC address 03002 is moved.
On the other hand, in the synchronous detection of ADIP that the ADIP sync detection circuit carries out, the zone of 4 sector units in the ECC posting field is detected in the big or small the place ahead of 16 swings relatively.The output of timing selector 11 is under the situation of the 1st recording method, and the ADIP synchronous detection behind the output period protection regularly.In addition, after 12 pairs of CDs of synchronization control circuit 1 were followed the tracks of and opened, during till the arrival start-of-record ECC message block, the output synchronization regularly, record control circuit 13 regularly carries out the synchronization of recording timing counting according to its synchronization, seeks to go up with dish the synchronization of swing position.In addition, carry out detecting between recording areas, arrive at timing ga(u)ge numerical value under the situation of Fig. 2 (c) link position, produce the record controls signal, control is carried out record controls to the output of the record data of modulation circuit 14 to CD 1.
Fig. 4 is illustrated in and utilizes the 2nd synchronous recording method of ECC address, ADIP synchronous detection that obtains according to data portion ID address on the disc recording apparatus of Fig. 1, and this recording method is applicable to the zone rewriting of write down, from writing down writing afterwards that the position begins.
Carry out the detection of data portion ID address value at Fig. 4 by data portion ID testing circuit 9, the output of address selector 10 is to select the ECC address that produces according to the detected value of data portion ID address in this case, carries out detection between recording areas according to the ECC address of the ECC address of selecting and start-of-record, end of a period target in record control circuit 13.Only just can carry out the detection of data portion ID in the reproduction section of the track that write down, the obtaining of ECC address, the synchronization that recording timing is counted must be carried out in this interval.
On the other hand, recording timing synchronization and the 1st recording method are same, according to the ADIP synchronization timing, carry out the synchronization of recording timing counting, seek the synchronization with the swing position of coiling.Carry out record controls by the same control of following and the 1st recording method to CD 1.
The accumulation situation that swing position staggers in also considering to worry to write down under the situation of the 1st, the 2nd recording method does not depend on the synchronization output control regularly of synchronization control circuit sometimes yet.In to the record of dish, also consider regularly to carry out synchronization according to ADIP synchronous detection for the recording timing counting.
The synchronization of recording timing counting is not limited to only synchronous with ADIP, and the detection of bit synchronization, data bit that also can consider the swaying phase modulation is regularly as regularly use together of synchronization.
Fig. 5 is illustrated in the disc recording apparatus of Fig. 1, the ECC address that utilization obtains according to data portion ID address, data portion ID detect the 3rd regularly synchronous recording method, same with the 2nd recording method, be suitable for to the zone rewriting of write down, from writing afterwards that the position of writing down begins.
Same at Fig. 5 to detection between recording areas and the 2nd recording method, equally also carry out the detection of data portion ID address.On the other hand, the ID that obtains from data portion ID testing circuit 9 detects regularly and for example 16 sectors in the ECC posting field is detected.The output of timing selector 11 selects the detection of data portion ID in this case to end regularly, regularly carries out the synchronization of recording timing counting according to this, carries out record controls to CD 1 by the same control of following and the 1st recording method.
The detection of data portion ID is only in the track reproducing interval of writing down, and the synchronization of the obtaining of ECC address, synchronization timing detection, recording timing counting must be carried out in this interval.
In the 3rd recording method, other the hardwood synchronizing signal of also consider using the hardwood synchronizing signal SY0 of expression sector starting point or comprising SY0 is carried out the synchronization of recording timing counting.
Synchronization to the recording timing counting is not limited to only detect regularly or with the hardwood synchronization signal detection headed by the SY0 with the ID that is obtained by data portion ID testing circuit 9 carry out as benchmark, under the situation possible, also consider regularly to carry out the synchronization of recording timing counting with the swing unit according to the reproduction swinging signal and the detection thereof of double quantification from the reproduction swing of dish.In this case, the synchronization precision of swing position and recording timing counting rises on the dish, and its result can carry out determining of link position with high precision more.
The the 1st, the 2nd, the 3rd recording method that above pen recorder at Fig. 1 is carried out at an example of its system of selection, is illustrated with the process flow diagram of Fig. 6.
At Fig. 6, after 1 tracking is opened to CD, the reproduction (step 601) of the reproduction of swinging, track.In step 601, under the situation of the synchronous detection stable (locking) of the ADIP of ADIP sync detection circuit 6, address detected state (step 603) according to the ADIP address detection circuit, if carried out address detected, then the selection signal of control address selector switch 10, timing selector 11 is selected the 1st recording method (step 606).When step 603 was not carried out the ADIP address detected, even perhaps open and carry out retry by secondary tracking again, when not carrying out the ADIP address detected yet, address detected state (step 604) according to data portion ID testing circuit 9, if carried out address detected, then the selection signal of control address selector switch 10, timing selector 11 is selected the 2nd recording method (step 606).In step 602, the ADIP synchronous detection is unstable or fully not during detection case taking place, in step 605, detect regularly according to the detected state of data portion ID address value, data portion ID or the detected state of hardwood synchronizing signal carried out address detected, when regularly detecting, in step 606, select the 3rd recording method, the selection of recording method is handled and is ended.If in step 604,605 are judged as and do not carry out address detected, regularly detect, then after secondary tracking is opened again, carry out retry or handle, posting field other on the CD 1 is carried out processing from step 601 to 606 and record as the zone (defect area) that can not write down.
Just as described above, according to the ECC address of in record control circuit 13, using, synchronization timing detected state separately, in the selection of the 1st, the 2nd, the 3rd recording method, give priority, yet be not particularly limited this order, also have the consideration disc recording apparatus before tracking is opened, to select the situation of recording method in advance.
Fig. 7 illustrates the 2nd embodiment, an example of the disc recording apparatus of following situation is shown: to reproduction swinging signal from the CD 1 of the swaying phase modulation system of the disc recording apparatus of Fig. 1, detect ADIP address information, ADIP synchronization timing, and be transformed to LPP signal based on convex-concave district (LPP) form, carry out record controls.Such formation is to be used for, in the pen recorder of the CD of corresponding LPP form, behind the various circuit that append LPP signal generating circuit prime, even to the dish of swaying phase modulation format, also constitute recordable disc recording apparatus.
At Fig. 7, the 15th, the LPP signal generating circuit according to the output ECC address of address selector 10, constitutes the LPP transmission data based on the LPP form, according to the synchronization timing from timing selector 11, carries out synchronization, the output of the LPP signal of pulse type; The 16th, the LPP selector switch when CD 1 is the CD of LPP form, carries out the selection between the LPP signal that LPP reproducing signal and LPP signal generating circuit 15 produce; The 17th, the LPP testing circuit, the LPP signal to by 16 outputs of LPP selector switch carries out the detection of the detection of LPP synchronizing signal, the address information of modulation etc.; Symbol for repeating with Fig. 1 omits explanation.
At Fig. 7, when CD 1 was the dish of LPP form, the LPP testing circuit detected the LPP synchronizing signal, the address information that are modulated to the LPP reproducing signal from CD 1.Record control circuit 13 detects timing, address information according to these, synchronization between LPP position of coiling and the recording timing counting, detect between the recording areas to the track of record object, the corresponding link position that is as the criterion with the CD of LPP form produces the record controls signal.
At Fig. 7, when CD 1 is the dish of swaying phase modulation format, LPP generative circuit 15 bases are from the swing reproducing signal of CD 1 or synchronization timing, the ECC address of track reproducing input, with the LPP form is the data that the benchmark modulation comprises the ECC address, carries out synchronization timing and LPP signal Synchronizationization and output.About the selection of synchronization timing, the system of selection of ECC address, use the method that in the 1st embodiment, illustrates.LPP signal to producing similarly carries out the processing in previously described LPP testing circuit 17, the record control circuit 13, carries out the record to CD 1.
According to the present invention, can determine the track of the record object on the dish to the dish of various states such as defective, determine link position, can carry out record controls.
Claims (6)
1. the disc recording apparatus that the CD of swaying phase modulation format is write down is characterized by, and possesses:
The detecting unit of the 1st address information that is modulated to the 1st synchronizing signal of the starting point of reproducing swinging signal, detection expression the 1st data component unit and in data structure, comprises,
The detecting unit of the 2nd address information that is modulated to the 2nd synchronizing signal of the starting point of reproducing trajectory signal, detection expression the 2nd data component unit and in data structure, comprises,
To the detection of described the 1st synchronizing signal regularly and the 2nd synchronizing signal or the 2nd address information detect the 1st selected cell that timing is selected,
To the described the 1st, the 2nd detect the 2nd selected cell selected the address and
According to the detection of selecting from the 1st selected cell regularly with from the detection address that the 2nd selected cell is selected, the swing position that obtains and coil synchronously and determine link position and to carrying out the control module of record controls between the target record track region.
2. disc recording method that the CD of swaying phase modulation format is write down is characterized by:
Be modulated to and reproduce swinging signal, the 1st synchronizing signal that detects the starting point of representing the 1st data component unit and the 1st address information that in data structure, comprises,
Be modulated to and reproduce trajectory signal, the 2nd synchronizing signal that detects the starting point of representing the 2nd data component unit and the 2nd address information that in data structure, comprises,
To the detection of described the 1st synchronizing signal regularly and the 2nd synchronizing signal or the 2nd address information detect timing and selected,
Select the described the 1st, the 2nd to detect the address,
According to the detection timing of described selection and the detection address of selecting, obtain and coil also definite synchronously link position of swing position, to carrying out record between the target record track region.
3. disc recording method according to claim 2 is characterized by,
The detection of described selection regularly and the detection address of selecting constitute by any of following three kinds of combinations:
By the 1st synchronizing signal and the 1st address information form the 1st the combination,
By the 1st synchronizing signal and the 2nd address information form the 2nd the combination,
By the 3rd combination that the 2nd synchronizing signal or the 2nd address information detect regularly and the 2nd address information is formed,
According to the selection of described the 1st, the 2nd, the 3rd combination, the swing position that obtains and coil synchronously, determine link position, to carrying out record controls between the track region of target record.
4. disc recording method according to claim 3 is characterized by,
Being chosen as of described the 1st, the 2nd, the 3rd combination:
When carrying out the 1st synchronization signal detection and carry out the detection of the 1st address information, select the 1st combination,
When carrying out the 1st synchronization signal detection and only carry out the detection of the 2nd address information, select the 2nd combination,
When not carrying out the 1st synchronization signal detection and carry out the detection of the 2nd address information, select the 3rd combination.
5. the disc recording method of the CD of a corresponding swaying phase modulation format is characterized by,
Be modulated to the reproduction swinging signal, represent the detection of synchronizing signal of the starting point of the 1st data component unit,
Be modulated to the reproduction trajectory signal, carry out the detection of the address that comprises in the 2nd data structure unit,
According to the detection of described synchronizing signal regularly and described detection address, the swing position that obtains and coil synchronous determined link position, to carrying out record controls between the target record track region.
6. the disc recording method to the CD of swaying phase modulation format is characterized by,
Be modulated to the reproduction trajectory signal, represent the detection of the address that comprises in the detection of synchronizing signal of starting point of data component unit and the data structure,
According to the detection timing and the described detection address of described synchronizing signal or address, obtain and coil the synchronous of swing position, determine link position, to carrying out record controls between the target record track region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03150399 CN1290089C (en) | 2003-07-30 | 2003-07-30 | Disk recording device and disk recording methoed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03150399 CN1290089C (en) | 2003-07-30 | 2003-07-30 | Disk recording device and disk recording methoed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1581305A CN1581305A (en) | 2005-02-16 |
| CN1290089C true CN1290089C (en) | 2006-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03150399 Expired - Fee Related CN1290089C (en) | 2003-07-30 | 2003-07-30 | Disk recording device and disk recording methoed |
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| CN (1) | CN1290089C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070133360A1 (en) * | 2005-12-08 | 2007-06-14 | Mediatek Inc. | Data search system for searching a data sync pattern stored in an optical disc by a physical address |
| CN104871244B (en) * | 2013-12-13 | 2019-04-12 | 松下知识产权经营株式会社 | Compact disk recording method and optical disc apparatus |
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| CN1581305A (en) | 2005-02-16 |
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