CN100468556C - Method for producing information recording medium - Google Patents

Method for producing information recording medium Download PDF

Info

Publication number
CN100468556C
CN100468556C CNB2006100753232A CN200610075323A CN100468556C CN 100468556 C CN100468556 C CN 100468556C CN B2006100753232 A CNB2006100753232 A CN B2006100753232A CN 200610075323 A CN200610075323 A CN 200610075323A CN 100468556 C CN100468556 C CN 100468556C
Authority
CN
China
Prior art keywords
information
file
vat
zone
address
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2006100753232A
Other languages
Chinese (zh)
Other versions
CN1848282A (en
Inventor
佐佐木美幸
后藤芳稔
福岛能久
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CN1848282A publication Critical patent/CN1848282A/en
Application granted granted Critical
Publication of CN100468556C publication Critical patent/CN100468556C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

An information recording medium comprises a data recording area. A lead-in area and a volume space are allocated in the data recording area in advance. The volume space is constructed so as to allow a logical zone for recording at least a volume structure area and an over-run protection area for preventing an access to an unrecorded area to be alternately allocated in the volume space. The lead-in area and the over-run protection area each include a chain volume management information area for storing chain volume management information. The chain volume management information includes address information of a subsequent logical zone and address information of a subsequent chain volume management information area.

Description

Make the method for information recording carrier
The application is that application number is 01812732.0, and denomination of invention is divided an application for the Chinese invention patent society of " information recording carrier, information recording method, information record carrier, information regeneration method and information reproduction apparatus " application.
Technical field
The present invention relates to a kind of information recording carrier, and the method and apparatus that is used for information is recorded medium.The invention still further relates to the method and apparatus that is used for reproducing the information that is recorded in information recording carrier.More particularly; the present invention relates to a kind of information recording carrier; wherein there is one to introduce zone and one and overflow (over-run) protection zone; but these two zones all comprise a record and are used to obtain the zone of chain (chain) volume (volume) management information in the final position of an accessing zone; and its file structure is distribute a specific virtual address can for a specific file structure, the invention still further relates to a kind of method and apparatus that is used for information is recorded in information recording carrier.
Background technology
Recently, various types of media are used to write down numerical data.Wherein, the DVD-R dish becomes the focus of concern as having jumbo cheap optical discs.The write and read operation of DVD-R dish is described with reference to Figure 13 to 18 below.In the following description, unless otherwise, the descriptor, pointer etc. that are recorded as the volume file structure meet ISO/IEC13346 standard or universal disc format (UDF) standard.
It is as follows to introduce instructions briefly.At first, the frame assumption diagram of the information recording/reproducer that shows among the data structure diagram of the information recording carrier that shows among description Figure 13 and Figure 15.
The data structure diagram of the information recording carrier after closing closed procedure that then, shows among the flow chart description Figure 18 with reference to the pass closed procedure that shows among Figure 17.
At last, with reference to the operation of the flow chart description of reproducing process in the information recording/reproducer that shows among Figure 15 and Figure 19 information recording/reproducer when the reproduction file.
In Figure 13, shown traditional information recording carrier 1300.For example, information recording carrier 1300 meets DVD-R physical criterion (version 1.0).For example, use meet DVD-R file system standard (version 1.0) the volume file structure file logging in information recording carrier 1300.
Figure 14 has shown bibliographic structure.The file that is recorded in the information recording carrier 1300 is to manage according to the bibliographic structure of Figure 14.
In Figure 13, the head of the data recording area in information recording carrier 1300 provides an introducing zone 108 that comprises a physical format information zone territory 1332.After introducing zone 108, provide a volume space (volume space).
In formatting procedure, in volume space 104, volume structure zone 108, file structure/file area 120 and virtual partition table (VAT) structural region 1322 have been set up.The volume structure zone 118 of storage volume structure is provided at the head of volume space 104.
Further, on the basis of having write down the AV file of managing according to the bibliographic structure of Figure 14, set up file structure/file area 124 and VAT structural region 1326.
Then, in closing closed procedure, when posting field is not visited in prevention, make information reproduction apparatus can not detect position in the posting field not, in data recording area 102, set up cross the border (border out) zone 1310 and physical format information zone territory 1332 to search for current volume file structure.The zone of crossing the border 1310 comprises a condition judgement zone 1334.Behind formatting procedure, provide physical format information zone territory 1332 in the Unrecorded introducing zone 108.The back will provide the detailed description of traditional pass closed procedure process.
Further, on the basis of a data file of managing of record, in volume space 104, set up file structure/file area 128 and VAT structural region 1330 according to the bibliographic structure of Figure 14.
At last, close closed procedure, in volume space 104, set up the zone 1312 of crossing the border, condition judgement zone 1334 and fair territory 1311 by carrying out once more.The zone of crossing the border 1312 comprises Unrecorded condition judgement zone 1336.The condition judgement zone 1334 that provides in 1310 in the zone of crossing the border and comprise that the fair territory 1311 in physical format information zone territory 1335 is recorded in the volume space 104.
Carry out each time and close closed procedure, just in volume space 104, set up the logic block (zone) of a record volume file structure and file.In volume space 104, logic block is being introduced zone 108 or fair territory and is being crossed the border between the zone.
The detailed data structure of physical format information is described with reference to Figure 13 below.Physical format information comprises the address information of logic block, the cross the border address information in zone and the address information of fair territory, and these address informations are used for managing such section and the zone that provides at information recording carrier 1300.
Because fair territory 1311 is that never the head of posting field 138 begins to set up, therefore is recorded in physical format information in the physical format information zone territory 1335 and comprises address information as the not posting field 138 of the address information of fair territory 1311.
Further, utilize be included in the physical format information cross the border the address information in zone and not the address information of posting field prevent to detect data not a transcriber of the position in the posting field in data detection position and visit not posting field mistakenly in the posting field not.Utilize the address information of logic block to search for the up-to-date VAT structure of setting up at the end of logic block.
VAT 1363,1369 and 1375 and be recorded among the VATICB 164,170 and 176 in VAT structural region 1322,1326 or 1330 each have the data structure that meets the UDF standard respectively.Adopt such data structure, the updating file structure can be simplified in once writing recording medium.The record position of file structure, for example document entry is specified by the virtual address in the virtual address space.Record position on the dish is specified by the logical address in the logical address space.Corresponding relation between such logical address and the such virtual address is stored among the VAT.The record position of VAT is specified by the VATICB that the terminal sector in the zone of record data provides.Typically, in each file control information, be provided at the virtual address of registering among the VAT according to ascending order to the VAT registration.
Figure 15 is the block scheme that shows conventional information data recording/reproducing device 1500.Information recording/reproducer 1500 comprises system control unit 201, memory circuit 202, I/O bus 203, magneto-optical disk apparatus 204 and disc drive unit 205.
System control unit 201 usefulness comprise the microprocessor and the storer realization of system control program.Particularly, system control unit 201 comprises the volume structure record cell 211 that is used to write down volume structure, be used to reproduce the volume structure reproduction units 214 of volume structure, the file structure record cell 212 that is used for the log file structure, be used to reproduce the file structure reproduction units 215 of file structure, the file logging unit 213 that is used for the log file data, be used to reproduce the file reproduction unit 216 of file data, be used to indicate the process of closing execution close process unit 217, be used to write down the VAT structure record cell 281 of VAT structure, and the VAT structure reproduction unit 282 that is used to reproduce the VAT structure.
Memory circuit 202 comprises and is used to operate or interim storage volume structure, file structure and the data-carrier store 221 of file and the VAT structure memory 283 that is used to operate or store temporarily the VAT structure.
Disc drive unit 205 comprises driving control unit 231, memory circuit 232, internal bus 233, recoding/reproduction unit 234 and information recording carrier 1300.
Driving control unit 231 is used and is comprised that the microprocessor of drive controlling program and storer realize.Particularly, driving control unit 231 comprises the regional record unit 261 that crosses the border, physical format information reproduction units 262, physical format information record cell 263, condition judgement regional record unit 264, fair territory record cell 265 and condition judgement zone reproduction units 267.
Memory circuit 232 comprises the memory buffer 241 that is used to operate or store temporarily the physical format information storer 266 of physical format information and is used to operate or store temporarily the data that are transferred to disc drive unit 205.
The pass closed procedure of DVD-R dish is described with reference to Figure 13,15,16,17 and 18 below.
Figure 16 is the data structure diagram of the information recording carrier 1300 behind the formatting procedure.Figure 17 shows the process flow diagram that closes closed procedure.Figure 18 is the data structure diagram of information recording carrier 1300 behind the closed procedure of pass.
(S1701) system control unit 201 pilot light disc driving equipments 205 are carried out the pass closed procedure according to closing the control program that comprises in the process unit 217.
The driving control unit 231 of disc drive unit 205 according to the control program that comprises in the regional record unit 261 that crosses the border with data recording in the zone of crossing the border.
For with data recording to cross the border the zone operation, in the data structure diagram of Figure 13, false data (dummy data) record in the zone 1312 of crossing the border, condition judgement zone 1336, and is recorded in crossing the border in regional 1310 except that condition judgement zone 1334 with false data.For example, false data is 00h.
(S1702) driving control unit 231 is provided according to the control program that comprises in the physical format information reproduction units 262 by the data in the physical format information zone territory 1332 that provides from introduce zone 108.
When does not write down as shown in Figure 13 in the physical format information zone territory 1332 in being included in introducing zone 108, disc drive unit 205 stores the physical format information of reproducing in the physical format information storer 266 of memory circuit 232 into, then execution in step S1703 and step thereafter.
When (for example, seeing Figure 16) do not write down in the physical format information zone territory 1332 in being included in introducing zone 108, data can not be reproduced from the physical format information zone territory 1332 of appointment.In this case, driving control unit 231 execution in step S1705 and step thereafter.
(S1703) driving control unit 231 is according to the control program that comprises in the condition judgement regional record unit 264, and 00h for example is stored among Figure 18 in the Unrecorded condition judgement zone 1334 as false data.Thereby as shown in Figure 13, setting up is not Unrecorded condition judgement zone 1334.
(S1704) according to the control program that comprises in the fair territory record cell 265, driving control unit 231 is set up physical format information, and physical format information for example is recorded in from the fair territory that the head of the not posting field 138 of Figure 18 begins.For example, as shown in Figure 13, in this recording operation, fair territory 1311 comprises physical format information zone territory 1335, is recorded in the back in the zone 1310 of crossing the border.
(S1705) according to the control program that comprises in the physical format information record cell 265, driving control unit 231 is set up physical format information, and physical format information is recorded in the physical format information zone territory 1332 that is included in the introducing zone 108.
When the information recording carrier 1300 with the formatted data structure shown in Figure 16 is carried out above-mentioned file logging and closed closed procedure, in information recording carrier 1300, set up the data structure shown in Figure 18.Use is present in the address information that the record management zone (not shown) in the inner track of introducing in the zone is come the supervisor status determinating area.
When to the information recording carrier 1300 execute file recording process of the data structure that wherein write down Figure 18, data file and the file structure shown in record Figure 14 in addition also.Further, when carrying out the pass closed procedure, in information recording carrier 1300, set up the data structure of Figure 13 according to the process shown in Figure 17.
With reference to the block scheme of the data structure of Figure 13 and 16 and Figure 15 process according to the process flow diagram reproduction of AV file of Figure 19 is described below.
(S1901) when driving control unit 231 detects a dish and is inserted in the disc drive unit 205, driving control unit 231 starts recoding/reproduction unit 234 according to the control program that comprises in the physical format reproduction units 262, and reproduces the data that are recorded in the physical format information zone territory 1332 of introducing zone 108.Then, the reproduction physical format information in reproduction physical format information zone territory 1332 is sent to physical format information storer 266.
(S1902) driving control unit 231 retrieves the address information in condition judgement zone according to the control program that comprises in the physical format information reproduction units 262 in the address information in the zone of crossing the border from be included in the physical format information that is retrieved by step S1901 or S1904.Then, driving control unit 231 is being attempted the data in the playback mode determinating area.In Figure 13, the address information 1342 that is recorded in the zone 1310 of crossing the border in the physical format information zone territory 1332 comprises the address information in condition judgement zone 1334, and the address information 1346 that is recorded in the zone 1312 of crossing the border in the physical format information zone territory 1335 comprises the address information in condition judgement zone 1336.
When the condition judgement zone by step S1902 appointment is not when not writing down, the step of execution in step S1903 and back.When the condition judgement zone by step S1902 appointment is when not writing down, the step of execution in step S1905 and back.
(S1903) according to the control program that comprises in the physical format information reproduction units 262, driving control unit 231 uses the address information of the fair territory that obtains among step S1901 or the S1904 to carry out the reproduction that is included in the fair territory in the physical format information.
Among Figure 13, the address information 1343 that is recorded in the fair territory in the physical format zone 1332 comprises the address information of fair territory 1310.
(S1904) according to the control program that comprises in the physical format information reproduction units 262, driving control unit 231 is sent to the physical format information of reproducing among the step S1903 physical format information storer 266 of memory circuit 232.
(S1905) according to the control program that comprises in the physical format information reproduction units 262, driving control unit 231 references are stored in the up-to-date physical format information in the physical format information storer 266, and obtain the logical address of the end of accessible area from the address information of logic block.Among Figure 13,, obtain the physical address of the end of accessible area on the basis of the address information 144 of second logic block 116 that therefore can be in being recorded in physical format information zone territory 1335 because second logic block 116 is positioned at the end of accessible area.
(S1906) according to the control program that comprises in the volume structure reproduction units 214, system control unit 201 pilot light disc driving equipments 205 reproduce volume structure zone 118.
Disc drive unit 205 is sent to the volume structure of the information recording carrier 1300 that loads the data-carrier store 221 of memory circuit 202.In this case, read as shown in figure 16 volume structure.
After this, system control unit 201 obtains file group (file set) descriptor 161 or subregion (partition) starting position 405 from the volume structure of reading.Further, system control unit 201 identifies the VAT structure and is recorded according at the Class1 block plan 407 of several 0 registrations of partition reference and the virtual partition Figure 40 8 that registers in partition reference several 1.
(S1907) according to the control program that comprises in the VAT structure reproduction unit 282, system control unit 201 obtains to be stored in the address information of the logic block in the physical format information storer 266 of disc drive unit 205, as the physical address of the end of accessible area.System control unit 201 is physical address translations a logical address.Further, system control unit 201 pilot light disc driving equipments 205 reproduce the VATICB176 that is recorded in the accessible area end.
Disc drive unit 205 reads VATICB 176 and sends it to VAT structure memory 283.
After this, system control unit 201 is explained the address information that is included in the VAT among the VATICB 176 that is read, the VAT 1375 of reading and recording in VAT structural region 1330, and VAT 1375 stored in the VAT structure memory 283.
(S1908) according to the control program that comprises in the file structure reproduction units 215, when file destination and the management of management information use virtual address thereof, system control unit 201 uses the VAT that obtains at step S1907, with reference to an AT inlet of wherein having registered the document entry of file destination or catalogue.After this, system control unit 201 is a logical address with virtual address translation, and uses file set descriptors 161 to read root directory document entry (FE) 174 and wherein root directory, catalogue (AV-Dir) FE 167 of record and catalogue (AV-Dir) and the AV file FE 166 that wherein writes down to start with dot sequency.After this, system control unit 201 obtains the position of a record AV file.
(S1909) last, according to the control program that comprises in the file reproduction unit 216, system control unit 201 is read AV file 165, thereby finishes file reproduction.
But, when not having the information reproduction apparatus that detects the ability of a position at posting field not when from the information recording carrier of recorded information, obtaining the terminal position of accessible area in the above described manner, need alternately to carry out from the operation of the recording status of the operation of physical format information zone territory information reproduction and decision state determinating area.Therefore, required time of terminal position of search accessible area is oversize.
Further, when information reproduction apparatus ferret out file, volume structure and VAT structure all need search.Therefore, data storage at the number of times of same area without limits.When using information recording carrier 1300, the situation of information recording carrier that has volume file structure, for example VAT of the address translation mechanism do not used with employing is compared, and the file search process need is more complicated, so the processing time is long.
Further, the AV file not only can be used to comprise the PC system of mass storage and high speed processor, and can be used to comprise the family expenses AV device of limited capacity storer and relatively low performance processor.In this case, with an AV file logging on disk the time, the size of VAT becomes big pro rata with the sum of the file that is write down or its management information after a large amount of data files of only being used by the PC system have been recorded on the disk.Therefore, use virtual address to manage the AV file with big relatively value.Family expenses AV device needs more jumbo storer or more high performance processor.
Like this, the advantage of invention described herein is and can provides: (1) a kind of information recording carrier, wherein prevent information reproduction apparatus visit posting field not and can high-speed search to the terminal position of accessible area, a kind of being used for, and a kind of method and apparatus that is used for reproducing the information that is recorded in information recording carrier at information recording carrier method for recording information and device; And (2) a kind of information recording carrier, wherein can search for the file that uses the VAT management and the burden of the reproduction of the AV file that can reduce to be undertaken with higher speed by family expenses AV device, a kind of being used for, and a kind of method and apparatus that is used for reproducing the information that is recorded in information recording carrier at information recording carrier method for recording information and device.
Summary of the invention
According to an aspect of the present invention, provide a kind of method of making information recording carrier, comprise step:
A data posting field is provided, distributes one to introduce zone and a volume space therein in advance;
Wherein, in volume space, alternately divide and be used in the logic block that is recorded to a few volume file structure and be used to prevent to visit the not overflow protection zone of posting field; introduce zone and overflow protection zone and all comprise a chain volume management information area, and will comprise that the chain volume management information of the address information of the address information of subsequent logical zone and follow-up chain volume management information area is recorded in the chain volume management information area.
In one embodiment of the invention, chain volume management information area is distributed in a fixed position in the overflow protection zone, and the address information of follow-up chain volume management information area is indicated the leading address in follow-up overflow protection zone.
In one embodiment of the invention, be arranged in of back, last overflow protection zone and draw the zone and be dispensed on volume space, and false data is recorded in the chain volume management information area that comprises in last overflow protection zone.
According to a further aspect in the invention, provide a kind of method that is used for recording the information in the information recording carrier that comprises a data posting field, in data recording area, distribute one in advance and introduce zone and a volume space,
The described method for recording information that is used for comprises the steps:
In volume space, alternately divide to be used in the logic block that is recorded to a few volume file structure and to be used to prevent to visit the not overflow protection zone of posting field,
Introduce zone and overflow protection zone and all comprise a chain volume management information area, and the described method for recording information that is used for also comprises the steps:
The chain volume management information that will comprise the address information of the address information of subsequent logical zone and follow-up chain volume management information area is recorded in the chain volume management information area.
According to a further aspect in the invention, provide a kind of equipment that is used for recording the information in the information recording carrier that comprises a data posting field, in data recording area, distribute one in advance and introduce zone and a volume space,
The described equipment that is used for recorded information comprises:
One is used for alternately dividing at volume space and is used in the logic block that is recorded to a few volume file structure and is used to prevent to visit the not part in the overflow protection zone of posting field,
Introduces zone and overflow protection zone and all comprise a chain volume management information area, and the described equipment that is used for recorded information also comprises:
A chain volume management information that is used for comprising the address information of the address information of subsequent logical zone and follow-up chain volume management information area is recorded in the part of chain volume management information area.
According to a further aspect in the invention, provide a kind of method that is used for reproducing the information that is recorded in the information recording carrier that comprises a data posting field, in data recording area, distribute one in advance and introduce zone and a volume space, wherein
In volume space, alternately divide and be used in the logic block that is recorded to a few volume file structure and be used to prevent to visit the not overflow protection zone of posting field;
Introduce zone and overflow protection zone and all comprise a chain volume management information area; And
The chain volume management information that will comprise the address information of the address information of subsequent logical zone and follow-up chain volume management information area is recorded in the chain volume management information area, and the described method that is used for information reproduction comprises the steps:
Be included in the chain volume management information area of introducing in zone and the overflow protection zone with the on-link mode (OLM) visit; And
Reproduce operation according to one of the information and executing of reading from chain volume management information area.
According to a further aspect in the invention, provide a kind of equipment that is used for reproducing the information that is recorded in the information recording carrier that comprises a data posting field, in data recording area, distribute one in advance and introduce zone and a volume space, wherein
In volume space, alternately divide and be used in the logic block that is stored to a few volume file structure and be used to prevent to visit the not overflow protection zone of posting field;
Introduce zone and overflow protection zone and all comprise a chain volume management information area; And
The chain volume management information that will comprise the address information of the address information of subsequent logical zone and follow-up chain volume management information area is recorded in the chain volume management information area, and the described equipment that is used for information reproduction comprises:
A part that is used for being included in the chain volume management information area of introducing zone and overflow protection zone with the on-link mode (OLM) visit; And
One is used for according to part of reproducing operation of the information and executing of reading from chain volume management information area.
According to a further aspect in the invention, provide a kind of method of manufacturing information recording carrier, comprise step:
A data posting field is provided, distributes one to introduce zone and a volume space therein in advance;
Wherein, volume space is configured to allow alternately to divide be used in the logic block that is recorded to a few volume file structure and be used to prevent to visit the not overflow protection zone of posting field,
Introduce zone and overflow protection zone and all comprise a chain volume management information area, and
The chain volume management information that will comprise the address information of the address information of subsequent logical zone and follow-up chain volume management information area is recorded in the chain volume management information area.
In one embodiment of the invention, chain volume management information area is distributed in a fixed position in the overflow protection zone, and the address information of follow-up chain volume management information area is indicated the leading address in follow-up overflow protection zone.
Description of drawings
Fig. 1 is the synoptic diagram of demonstration according to the data structure of the information recording carrier 100 of an example of the present invention.
Fig. 2 A is the synoptic diagram that shows the detailed data structure of senior VAT 163.
Fig. 2 B is the synoptic diagram that shows the detailed data structure of senior VAT 169.
Fig. 2 C is the synoptic diagram that shows the detailed data structure of senior VAT 175.
Fig. 3 is the synoptic diagram of demonstration according to the structure of the information recording/reproducer 300 of an example of the present invention.
Fig. 4 is the process flow diagram of the process of display format process.
Fig. 5 is the synoptic diagram of the data structure of the information recording carrier after the display formatization.
Fig. 6 is the process flow diagram of the process of display file recording process.
Fig. 7 is the process flow diagram that shows the process of closing closed procedure.
Fig. 8 is presented at the synoptic diagram that has carried out closing the data structure of information recording carrier behind the closed procedure.
Fig. 9 is the synoptic diagram that shows when the situation of regional record in posting field not time of crossing the border.
Figure 10 is the process flow diagram that the process of process is reproduced in display file.
Figure 11 is the synoptic diagram of demonstration according to the data structure of the information recording carrier of another example of the present invention.
Figure 12 is the synoptic diagram of demonstration according to the data structure of the information recording carrier of another example of the present invention.
Figure 13 is the synoptic diagram that shows the data structure of conventional information recording medium.
Figure 14 is presented at the wherein synoptic diagram of the bibliographic structure of the file of management accounts in disk.
Figure 15 is the synoptic diagram that shows the structure of traditional information recording/reproducer.
Figure 16 is the synoptic diagram that is presented at through the data structure diagram of information recording carrier behind traditional formatting procedure.
Figure 17 is the process flow diagram that shows the process of traditional pass closed procedure.
Figure 18 is the synoptic diagram that is presented at through the data structure of information recording carrier behind traditional pass closed procedure.
Figure 19 is the process flow diagram that shows the process of traditional file reproduction process.
Embodiment
The chain volume management information area that provides in introducing zone and each overflow protection zone is provided according to information recording carrier of the present invention.In each chain volume management information, the address information of subsequent logical zone and the address information of chain volume management information area have been write down.
Further; according to the present invention; use the introducing zone and the follow-up overflow protection zone of the information reproduction apparatus access links of such information recording carrier; up to the chain volume management information that detects posting field not or recording disc final word; read up-to-date chain volume management information, and from the address information of a last logic block, obtain the physical address of the end of accessible area.In such accessing operation of information reproduction apparatus, owing to integrally carry out, so can use simpler process to carry out the read operation with follow-up volume file control information of obtaining at a high speed to the physical address of the end of accessible area to the judgement of the recording status of subsequent logical zone with to the acquisition of the address information of follow-up chain volume management information area.
Further, in information recording carrier of the present invention, have a VAT inlet, that distribute to virtual address, be registered as application-specific structural information for the file of separating that the requisite basic structure information of the file structure of stopping reading and being used to is managed even can using by family expenses AV device with a specific fractional value.
For such information recording carrier, the information reproduction apparatus service recorder is searched for up-to-date VAT at the VATICB of the end of accessible area, and use specific virtual address to read file destination, to explain basic structure information or the application-specific structural information of in VAT, registering.In such accessing operation of information reproduction apparatus, skipped and VAT is read out for the visit in volume structure zone.The positional information of the document entry of file destination has wherein been write down in search in VAT, thereby can read file destination with higher speed.
Further, when the information recording carrier record has the VAT of an inlet, wherein the management information that specific fractional value is distributed to the AV file that is used for application-specific (for example, under the situation of the AV file that in family expenses AV device, uses), even whole VAT has sizable size, also only the specific part of the VAT of the inlet with a particular virtual address has wherein been registered in search, thereby can read file destination by using small-capacity memory and low performance processor search VAT.
Hereinafter, will the present invention be described in conjunction with the accompanying drawings by illustrative embodiment.
According to the present invention, illustrative information recording carrier is DVD-R dish, DVD-RW dish etc., and wherein file logging and is used and come management document by the data structure of ISO/IEC13346 standard or UDF (universal disc format) standard definition in volume space.Such information recording carrier, be used for information being recorded the method and apparatus of information recording carrier and being used for to be described below from the method and apparatus of information recording carrier information reproduction.
Note, in the following description, unless special definition according to ISO/IEC13346 standard or UDF standard, is recorded in descriptor, pointer etc. in the information recording carrier as the volume file structure.
1, the data structure of information recording carrier
Fig. 1 is the synoptic diagram of demonstration according to the data structure of the information recording carrier 100 of an example of the present invention.For example, information recording carrier 100 meets DVD-R physical criterion (version 2 .0).In information recording carrier 100, file is with the volume file structure record by DVD-R file system standard (version 2 .0) definition.
Information recording carrier 100 comprises introduces zone 108 and volume space 104.
Introduce the head that zone 108 is placed in data recording area 102.Volume space 104 is placed in the zone of closing on the outside of introducing zone 108 of information recording carrier 100.
Introduce zone 108 and comprise a chain volume management information area 132.
To be used to prevent that the overflow protection zone 110 to the not visit of posting field is assigned to volume space 104.Overflow protection zone 110 comprises a chain volume management information area 134.
Overflow protection zone 112 also provides in volume space 104.Overflow protection zone 112 comprises a chain volume management information area 136.
Be used to write down first logic block 114 foundation between introducing zone 108 and overflow protection zone 110 of at least one volume file structure.Be used to write down second logic block 116 foundation between overflow protection zone 110 and overflow protection zone 112 of at least one volume file structure.
In chain volume management information area 132, write down the chain volume management information of the address information 142 of the address information 140 that comprises first logic block 114 and chain volume management information area 134.
In chain volume management information area 134, write down the chain volume management information of the address information 146 of the address information 144 that comprises second logic block 116 and chain volume management information area 136.
Volume space 104 comprises a posting field 138 not.
In first logic block 114, in formatting procedure, sequentially provide volume structure zone 118, file structure/file area 120 and senior VAT structural region 122.Notice that the process of formatting procedure will be described in detail with reference to Fig. 4 below.
In volume structure zone 118, write down a volume structure.
In file structure/file area 120, the file set descriptors 161 and the document entry 162 that are used to manage root directory have been write down.
In senior VAT structural region 122, senior VAT163 and VATICB164 have been write down.The record position that the VATICB 164 that is provided by the terminal sector in the zone of record data specifies senior VAT163.
In first logic block 114, in the file logging process, file structure/file area 124 and senior VAT structural region 126 sequentially are distributed in after the senior VAT structural region 122.Notice that the process of file logging process will be described in detail with reference to Fig. 6 below.
In file structure/file area 124, write down the inlet of file and various files.In example shown in Figure 1, with AV file 165, be used for managing the AV file FE166 of AV file 165, catalogue file (AV-Dir) FE 167 and the root directory FE 168 that is used for administrative directory file (AV-Dir) and be recorded in file structure/file area 124.
Note, for simplicity, suppose that these catalogue files FE comprises the catalogue file itself with quite little scale.
In senior VAT structural region 126, senior VAT 169 and VATICB170 have been write down.
In volume space 104, in closing closed procedure, will comprise that the overflow protection zone 110 of Unrecorded chain volume management information area 134 is assigned to after the senior VAT structural region 126.Thereby chain volume management information area 132 is recorded in to be introduced in the zone 108.Carry out to close closed procedure, so that do not visit and can search up-to-date volume file structure in the posting field preventing from not have the information reproduction apparatus that in posting field not, detects the ability of a position.
Notice that the process of closing closed procedure will be described in detail with reference to Fig. 7 below.
Then, in second logic block 116, in further file logging process, file structure/file area 128 and senior VAT structural region 130 sequentially are assigned to after the overflow protection zone 110.
In file structure/file area 128, write down the inlet of file and various files.In example shown in Figure 1, data file 171, the data file FE 172 that is used for management data file 171, catalogue file (Data-Dir) FE 173 and the root directory FE that is used for administrative directory file (Data-Dir) are recorded in file structure/file area 128.
In senior VAT structural region 130, senior VAT 175 and VATICB176 have been write down.
In volume space 104; further closing in the closed procedure; the overflow protection zone 112 that will comprise Unrecorded chain volume management information area 136 is distributed in the back of senior VAT structural region 130, and has distributed the chain volume management information area 134 in the overflow protection zone 110.
As mentioned above, when each execute file recording process or pass closed procedure, just between introducing zone 108 or overflow protection zone, set up an additional logic block.Allocate file structure/file area and senior VAT structural region in logic block.
Provide overflow protection zone 112 to detect the information reproduction apparatus of the ability of a position at posting field not and when this device is visited VATICB 176 or chain volume management information area 136, spill into not in the posting field 138 to prevent from not have.Chain volume management information area 136 is the not posting fields with several magnetic tracks.The zone of record was provided before or after chain volume management information area 136.Therefore, information reproduction apparatus maloperation can not occur.
When the ad-hoc location in the overflow protection zone had distributed chain volume management information area, the address information in overflow protection zone can be easily obtains from the address information of chain volume management information area.
Notice that the address information of chain volume management information can be indicated the leading address in overflow protection zone (for example, the physical address of head sector).
For example, chain volume management information area 136 is placed in a fixed position in the overflow protection zone 112.The leading address (for example, the physical address of head sector) in the address information indication overflow protection zone 112 of chain volume management information area 136.Can be applicable to chain volume management information area 134 equally.
Senior VAT 175 comprises VAT stem (header) 148, basic structure information 150, application-specific structural information 152 and common application structural information 154.
Basic structure information 150 is used to define the basic structure shared by a plurality of application (for example, for the requisite structure of instrument of interpretation structure, for example file set descriptors 161 or root directory document entry 162).
Application-specific structural information 152 is used to define the application-specific structure relevant with an application-specific outside a plurality of application (for example, being used in the requisite structure of AV file in the family expenses AV device for search).
The file that common application structural information 154 is used for searching for common application, typically uses as PC.
Notice that senior VAT 163 and 169 has the data structure (not shown) that is similar to senior VAT 175.
Fig. 2 A is the synoptic diagram that shows the detailed data structure of senior VAT 163.In formatting procedure, senior VAT 163 is recorded in the senior VAT structural region 122.
The basic structure zone of senior VAT 163 comprises VAT inlet 0 of having specified virtual address 0 and the VAT inlet 1 of having specified virtual address 1.The logical address of root directory document entry is recorded in the VAT inlet 1.
As mentioned above, VAT inlet 0 is used for the logical address of file set descriptors is assigned to virtual address 0, and VAT inlet 1 is used for the logical address of root directory file is assigned to virtual address 1.
Notice that VAT inlet 0 and 1 is usually after length is the VAT stem of 152 bytes.
The application-specific structural information of senior VAT 163 comprises VAT inlet 2 to 255.In senior VAT 163, do not use VAT inlet 2 to 255.Particularly, value FFFFFFFFh is set in each of VAT inlet 2 to 255.
The common application structural information of senior VAT 163 comprises VAT inlet 256 to 473.In senior VAT163, do not use VAT inlet 256 to 473.Particularly, value FFFFFFFFh is set in each of VAT inlet 256 to 473.
Fig. 2 B is the synoptic diagram that shows the detailed data structure of senior VAT 169.In the process of record AV file, senior VAT 169 is recorded in the senior VAT structural region 126.
In senior VAT 169, the logical address that is used for managing catalogue (Data-Dir) document entry of AV file is recorded in VAT inlet 2, and the logical address of the document entry of AV file is recorded in the VAT inlet 3.
Like this, the logical address that is used for managing catalogue (Data-Dir) document entry of AV file is recorded in virtual address 2, and the logical address of the document entry of AV file is recorded in the virtual address 3.
Notice that the content of other VAT inlet among the senior VAT 169 is identical with those corresponding VAT inlets among the senior VAT163.
Fig. 2 C is the synoptic diagram that shows the detailed data structure of senior VAT 175.In the process of recording data files, senior VAT 175 is recorded in the senior VAT structural region 130.
In senior VAT 175, the logical address that is used for catalogue (Data-Dir) document entry of management data file is recorded in VAT inlet 256, and the logical address of the document entry of data file is recorded in the VAT inlet 257.
Like this, the logical address that is used for catalogue (Data-Dir) document entry of management data file is assigned to virtual address 256, and the logical address of the document entry of data file is recorded in the virtual address 257.
Notice that the content of other VAT inlet in senior VAT 175 is identical with those corresponding VAT inlets among the senior VAT169.
Note, in each of senior VAT 163,169 and 175, will be registered in the untapped VAT inlet as a logical address FFFFFFFFh who is not present in the logical address space.Among the senior VAT163,169 and 175 each comprises that all a length is the sector of 2048 bytes.
In this example, virtual address space is dispensed on in the requisite specific application structure information of AV file of searching for even being used in the family expenses AV device.Similarly, in each bar of many application-specific structural informations, distribute a virtual address space.For example virtual address 3 to 127 is assigned to the needed file structure of search video file, and virtual address 128 to 255 is assigned to the needed file structure of search audio file.
When registration a plurality of general files or catalogue so that the size of data of the senior VAT in the common application structural information when surpassing 2048 bytes, is divided into a plurality of sectors with senior VAT.
As mentioned above, even when senior VAT is divided into a plurality of sector, because each in basic structure information and the application-specific structural information all has limited virtual address, so basic structure information and application-specific structural information are recorded in from the sector that senior VAT structural region head begins.
Therefore, the head sector in the zone of the senior VAT of service recorder only, even when the size of senior VAT becomes big along with the sum increase of general file of registering or catalogue in volume space, also can make family expenses AV device as one man read the AV file at a high speed with limited capacity storer and relative low performance processor.
2, the structure of information recording/reproducer
Fig. 3 is the synoptic diagram of demonstration according to the structure of the information recording/reproducer 300 of an example of the present invention.
When carrying out formatting procedure, file logging process or closing closed procedure, information recording/reproducer 300 is as the information record carrier that records information in the information recording carrier 100.Further, when execute file reproduced process, information recording/reproducer 300 was as the information reproduction apparatus that reproduces the information in the information recording carrier 100 that is recorded in.
Information reproduction apparatus 300 comprises system control unit 201, memory circuit 202, I/O bus 203, disk unit 204 and disc drive unit 205.
System control unit 201 can use the microprocessor and the storer that comprise system control program to realize.Especially, system control unit 201 comprises volume structure record cell 211, file structure record cell 212, file logging unit 213 and senior VAT structure record cell 271.Further, system control unit 201 comprises file structure reproduction units 215, file reproduction unit 216 and senior VAT structure reproduction unit 272.Further, system control unit 201 comprises and closes process unit 217 and spill process unit 218.
Memory circuit 202 comprises data-carrier store 221 and senior VAT structure memory 273.
Data-carrier store 221 is used for calculating or interim storage volume structure, file structure and file.Senior VAT structure memory 273 is used for calculating or storing temporarily senior VAT structure.
Disc drive unit 205 comprises driving control unit 231, memory circuit 232, internal bus 233, recoding/reproduction unit 234 and information recording carrier 100.
Driving control unit 231 can use the microprocessor that comprises system control program and storer to realize.Particularly, driving control unit 231 comprises chain volume management information recording unit 251, overflow protection regional record unit 252, chain volume management information regeneration unit 254 and draws regional record cell 255.
Memory circuit 232 comprises chain volume management information-storing device 253 and buffering storer 241.
Chain volume management information-storing device 253 is used for calculating or interim storage chains volume management information.The data that memory buffer 241 is used to calculate or storage is sent to disc drive unit 205 temporarily.
3, formatting procedure
Fig. 4 is the synoptic diagram of the process of display format process.Below, with the process of descriptor format process step by step.
(S401) according to the control program that comprises in the volume structure record cell 211, system control unit 201 produces the volume structure that will be recorded in the volume structure zone 118 in the data-carrier store 221 of memory circuit 202.Such volume structure comprises descriptor 401 to 412 grades (Fig. 5) of the various management information of preserving the volume space 104 that meets ISO/IEC 13346 standards.The detailed data structure in volume structure zone 118 will be described in the back.
System control unit 201 pilot light disc driving equipments 205 are recorded in the volume structure that generates in the data-carrier store 221.
Disc drive unit 205 records the volume structure from data-carrier store 221 in the volume structure zone 118.When volume structure was write down fully, disc drive unit 205 reporting system control modules 201 records were finished.
(S402) system control unit 201 generates file set descriptors 161, root directory and the document entry 162 that is used to manage root directory in data-carrier store 221.System control unit 201 pilot light disc driving equipments 205 record the file structure that generates in the data-carrier store 221.
Disc drive unit 205 is recorded in the file structure that transmits from data-carrier store 221 in the file structure zone 120.When file structure was write down fully, disc drive unit 205 reporting system control modules 201 records were finished.
(S403) according to the control program that comprises in the senior VAT structure record cell 271, system control unit 201 generates VAT 163 and VATICB 164 in data-carrier store 221.
Further, system control unit 201 pilot light disc driving equipments 205 are recorded in the senior VAT structure that generates in the data-carrier store 221.
Disc drive unit 205 records senior VAT structural region 122 to the senior VAT structure that transmits from data-carrier store 221.When senior VAT structure was write down fully, disc drive unit 205 reporting system control modules 201 records were finished.
Note, under the situation of DVD-R dish, when data recording is stopped each time, will before or after data record unit, provide the link area of false data with predetermined quantity.For simplicity, omitted description to data structure and data recording.
Fig. 5 is the synoptic diagram that shows the data structure of the information recording carrier after formatted.When information recording carrier passed through above-mentioned formatting procedure, information recording carrier obtained the data structure of Fig. 5 when " record ".
4, file logging process
Fig. 6 is the synoptic diagram of the process of display file recording process.Below, with the process of description document recording process step by step.
Note, suppose in the file logging process, come the AV file of recording storage in disk unit 204 according to the bibliographic structure of Figure 14.
(S601) system control unit 201 is read the AV file and the AV file is sent to the data-carrier store 221 of memory circuit 202 from disk unit 204 according to the control program that comprises in the file logging unit 213.
Then, system control unit 201 generates AV file 165 and catalogue file (AV-Dir), is used to manage AV document entry FE (document entry) 166, catalogue file (AV-Dir) FE (document entry) 167 of these files and the root directory document entry 168 that upgrades the content of root directory therein.
When the catalogue file relevant with the AV file and in the document entry each all were stored in the data-carrier store 221, system control unit 201 write down these data according to the control program pilot light disc driving equipment 205 that comprises in file structure record cell 212 and the file logging unit 213.
Disc drive unit 205 the document entry and the catalogue file that transmit from data-carrier store 221 and file structure/file logging of comprising the AV file in file structure/file area 124.Note, for simplicity, suppose that the document entry of these catalogue files comprises having quite undersized catalogue file itself.When having finished the record of file structure/file area 124, disc drive unit 205 reporting system control modules 201 records are finished.
Notice that catalogue file (AV-Dir) is embedded into and is recorded in the document entry 167 that is used for administrative directory.Therefore, catalogue file itself does not show.
(S602) system control unit 201 is according to senior VAT 169 and VATICB 170 in the control program renewal data-carrier store 221 that comprises in the senior VAT structure record cell 271.
Further, system control unit 201 pilot light disc driving equipments 205 are recorded in the senior VAT structure that generates in the data-carrier store 221.Disc drive unit 205 is recorded in the senior VAT structure that transmits from data-carrier store 221 in the senior VAT structural region 126.When senior VAT structure was write down fully, disc drive unit 205 reporting system control modules 201 records were finished.
5, close closed procedure
Fig. 7 is the synoptic diagram that shows the process of closing closed procedure.Below, will the process of closing closed procedure be described step by step.
(S701) system control unit 201 is carried out the pass closed procedure according to closing the control program pilot light disc driving equipment 205 that comprises in the process unit 217.
The driving control unit 231 of disc drive unit 205 is distributed the overflow protection zone and write down false data in the overflow protection zone according to the control program that comprises in the overflow protection record cell 252 in volume space 104.
Like this, introducing the logic block that is provided for writing down at least one volume file structure between 108 (or overflow protection zones), zone and the overflow protection zone.
(S702) driving control unit 231 is according to the control program that comprises in the chain volume management information recording unit 251, generates chain volume management information and the chain volume management information that generates is recorded in the chain volume management information area that is included in the overflow protection zone.
The chain volume management information that generates in this recording operation comprises the address information of subsequent logical zone and by the address information of the Unrecorded chain volume management information area that provides that closes the closed procedure new record in the overflow protection zone.
Fig. 8 is the synoptic diagram that is presented at the data structure of having carried out closing the information recording carrier behind the closed procedure.
When the information recording carrier of the data structure with Fig. 5 passed through the AV file logging and closes closed procedure, information recording carrier obtained the data structure of Fig. 8.
False data is recorded in overflow protection zone 110 beyond the chain volume management information area 134 (under the situation of the data structure of Fig. 8) or is recorded in overflow protection zone 112 except that chain volume management information area 136 (under the situation of the data structure of Fig. 1).For example, false data is 00h.
Chain volume management information is recorded in the chain volume management information area 132 (under the situation of the data structure of Fig. 8), or is recorded in chain volume management information area 134 (under the situation of the data structure of Fig. 1).
Further, the information recording carrier 100 with data structure of Fig. 8 carries out data file and closes closed procedure, thereby acquisition has the information recording carrier 100 of the data structure of Fig. 1.
When forbidding additional file logging in information recording carrier 100, draw the zone and be recorded in not in the posting field 138.
Fig. 9 shows when drawing the zone to be recorded in the synoptic diagram of the situation in the not posting field 138 of the data structure with Fig. 1.
System control unit 201 is carried out spill process according to the control program pilot light disc driving equipment 205 that comprises in the spill process unit 218.
According to drawing the control program that comprises in the regional record cell 255, the driving control unit 231 of disc drive unit 205 in data recording area 102 assignment record false data draw zone 140.Further, according to drawing the control program that comprises in the regional record cell 255, driving control unit 231 is recorded in Unrecorded chain volume management information area 136 to false data does not have new follow-up chain volume management information area to exist with indication.For example, false data is 00h.
6, file reproduction process
Figure 10 is the synoptic diagram that the process of process is reproduced in display file.Below, description document is step by step reproduced the process of process.Notice that the AV file of Figure 14 comes instrument of interpretation to reproduce process as an example.
(S1001) when driving control unit 231 detects a dish and installed in the disc drive unit 205, driving control unit 231 starts recoding/reproduction unit 234 according to the control program that comprises in the chain volume management information regeneration unit 254 and reproduces chain volume management information from the chain volume management information area 132 of introducing zone 108.Then, the chain volume management information of reproducing is sent to chain volume management information-storing device 253 from chain volume management information area 132.
(S1002) according to the control program that comprises in the chain volume management information regeneration unit 254, driving control unit 231 manages to reproduce chain volume management information area based on the address information 142 of the chain volume management information area 134 that comprises in the chain volume management information that obtains in step S1001.
In Fig. 1, the address information 142 that is recorded in the chain volume management information area in the chain volume management information area 132 comprises the positional information of chain volume management information area 134.The address information 146 that is recorded in the chain volume management information area in the chain volume management information area 134 comprises the positional information of chain volume management information area 136.
If by such one chain volume management information area that reproduces the operation appointment is not Unrecorded and chain volume management information can be reproduced from chain volume management information area, so execution in step S1003 and later step.If by such one chain volume management information area that reproduces the operation appointment is Unrecorded and chain volume management information can not be reproduced from chain volume management information area, so execution in step S1004 and following step.
(S1003) according to the control program that comprises in the chain volume management information regeneration unit 254, the chain volume management information that driving control unit 231 will be reproduced in step S1002 is sent to chain volume management information-storing device 253.
(S1004) according to the control program that comprises in the chain volume management information regeneration unit 254, by the up-to-date chain volume management information of reference, driving control unit 231 obtains the physical address of the end of accessible area from the address information of logic block.
In Fig. 1, can obtain the physical address of the end of accessible area based on the address information 144 that is recorded in second logic block 116 in the chain volume management information area 134.
(S1005) according to the control program that comprises in the senior VAT structure reproduction unit 272, system control unit 201 can obtain to be recorded in the address information 144 of second logic block 116 in the chain volume management information-storing device 253 of disc drive unit 205, as the physical address of the end of accessible area.
Then, system control unit 201 pilot light disc driving equipments 205 use physical address to reproduce the VATICB 176 of the end that is recorded in accessible area.Disc drive unit 205 is read VATICB 176 and is sent it to senior VAT structure memory 273.Note, because VATICB is recorded in the end of accessible area, so system control unit 201 can confirm that under the situation of not reading volume structure the VAT structure is recorded.
System control unit 201 obtains the logical address of the record position of indication VATICB176 from the marker location information 177 of reading.System control unit 201 also becomes logic sector number to the physical address translations of the end of the previous accessible area that obtains.Deduct the logical address of reading by logic sector number, calculate corresponding to the logical partition of the subregion reference position of distributing to logical address 0 number from marker location information from the end of accessible area.Therefore, do not need to obtain the subregion reference position from volume structure.
Further, system control unit 201 explains and is included in the address information of the senior VAT 175 among the VATICB 176 that reads, and reads senior VAT 175 and be stored in the senior VAT structure 273.Note, when using the senior VAT of a plurality of sector records, only read for the required head sector of the reproduction of AV file.
(S1006) according to the control program that is stored in the file structure reproduction sector 215, system control unit 201 read out in obtain among the step S1005 register to the physical address of the file set descriptors of VAT inlet 0 from senior VAT175, and, use partition reference number and the LBA (Logical Block Addressing) that is included in the logical address is read file set descriptors 161 according to the control program that comprises in the file structure reproduction units 215.Be similar to the situation of file set descriptors, when virtual address translation was logical address, system control unit 201 was read the root directory FE 174 that is registered in VAT inlet 1 and from the management information of the root directory search directory (AV-Dir) of the part that is recorded as root directory FE 174.
Then, system control unit 201 is read catalogue (AV-Dir) FE 167 that is registered in VAT inlet 2 and from the management information of catalogue (AV-Dir) the search AV file of the part that is recorded as catalogue (AV-Dir) FE 167.Further, system control unit 201 is read catalogue (AV file) FE 166 that is registered in VAT inlet 17 and the record position that obtains target AV file.
(S1007) last, according to the control program that comprises in the file reproduction unit 216, system control unit 201 is read file (AV file) 165 and is finished file reproduction.
According to said process, information recording/reproduction device 300 high-speed searchs and reproduction of AV file prevent simultaneously to the not visit of posting field.Note, in step S1006, use the management information of file set descriptors and root directory search directory (AV-Dir), and read AV document entry and target AV file subsequently.
But, if be similar to file set descriptors or root directory, a particular virtual address is distributed to catalogue (AV-Dir) document entry or AV document entry, then not access file group descriptor or root directory and search directory (AV-Dir) document entry directly.Thereby, can high-speed search and reproduction of AV file.
In information recording carrier of the present invention, with the address information of subsequent logical zone and in the overflow protection zone address information recording of the chain volume management information area of appointment introducing zone and overflow protection zone.
The information recording/reproducer of the present invention that uses such information recording carrier is by only sequentially visiting the chain volume management information area of introducing in zone and the overflow protection zone; can be when preventing to visit not posting field, the physical address of the end of search accessible area.Figure 19 is described as reference, search for the information recording/reproducer of physical address of the end of accessible area and compare with traditional alternate access physical format information zone territory and condition judgement zone passed through, access frequency has reduced half in fact and the access time significantly reduces.
In information recording carrier of the present invention, particular virtual address is assigned to file set descriptors or root directory document entry is recorded in the senior VAT structural region as the senior VAT of basic structure information.
When execute file reproduces, use the information recording/reproducer of the present invention of such information recording carrier can not search for volume structure and directly search for file set descriptors and the root directory document entry that has been assigned with particular virtual address.Thereby, reduced the access time.
Further, in information recording carrier of the present invention, particular virtual address is assigned to catalogue (AV-Dir) document entry or AV document entry is recorded in the senior VAT structural region as the senior VAT of application-specific structural information.
When the reproduction of AV file, catalogue (AV-Dir) document entry that uses the information recording/reproducer of the present invention of such information recording carrier directly to search for to have specified particular virtual address or the document entry of AV file, and do not search for basic structure information, for example file set descriptors and root directory document entry.Thereby, further shortened the access time.When reproducing such AV file, only the VAT of service recorder on the head sector of senior VAT enters the mouth, thereby can read the AV file according to a simple process even when using the family expenses AV device with limited capacity storer and relative low performance processor at a high speed.
In above-mentioned example, explained chain volume management information is recorded in the information recording carrier of introducing in zone and the overflow protection zone.Explained the method and apparatus that is used for information is recorded such information recording carrier, and the method and apparatus that is used for reproducing the information that is recorded in information recording carrier.
Note, chain volume management information be recorded in introduce in zone and the overflow protection zone and not particular virtual address information is assigned to file set descriptors and root directory document entry senior VAT as basic structure information be recorded in the senior VAT structural region information recording carrier also within the scope of the invention.Be used for information is recorded the method and apparatus of such information recording carrier, and the method and apparatus that is used for reproducing the information that is recorded in information recording carrier is also contained in the scope of the present invention.In this case, chain volume management information in zone and the overflow protection zone makes it possible to search for the end of accessible area when preventing to visit posting field not physical address is introduced in visit sequentially.Thereby access frequency has reduced half in fact and the processing time significantly reduces.
Figure 11 shows chain volume management information is recorded in introducing zone and the overflow protection zone and not particular virtual address information being assigned to file set descriptors and root directory document entry are recorded in the information recording carrier in the senior VAT structural region as the senior VAT of basic structure information synoptic diagram.
Note, in the chain volume management information area 132 of the information recording carrier of Figure 11, except the physical address information 142 of the physical address information 140 of first logic block and chain volume management information area, also write down the physical address information 1202 of fair territory.Further, as shown in figure 11, can be provided to overflow protection zone 110 to fair territory 1204 after.
Fair territory 1204 comprises physical format information zone territory 1206.In physical format information zone territory 1206, write down the physical address information 1346 and the physical address information 1347 of posting field 138 not of physical address information 144, the chain volume management information area of second logic block.Figure 12 is the synoptic diagram that shows the information recording carrier 1200 with such data structure.
As mentioned above, information recording carrier 1200 can use traditional information recording/reproducer 1500 to reproduce.
Note, be recorded in the senior VAT structural region and chain volume management information be not recorded in information recording carrier in introducing zone and the overflow protection zone in scope of the present invention yet particular virtual address information being assigned to file set descriptors and root directory document entry senior VAT as basic structure information.Be used for information is recorded the method and apparatus of such information recording carrier, and the method and apparatus that is used for reproducing the information that is recorded in information recording carrier is also contained in the scope of the present invention.In this case, when file is reproduced, can search for non-volume structure and directly search the file set descriptors and the root directory document entry of having specified particular virtual address.Thereby, shortened the access time.
Industrial usability
Comprise that according to information recording carrier of the present invention being distributed in the introducing zone overflows the guarantor with each Protect the chain volume management information area in the zone. In each chain volume management information area, record Subsequent logical zone address information and be assigned to the overflow protection zone that follows logic block closely In the address information of chain volume management information area.
According to the information reproduction apparatus of the present invention that uses such information recording carrier only The chain volume management information area in zone and the follow-up overflow protection zone is introduced in sequentially access, from And can be when preventing from accessing posting field not the physics of the end of search accessible area The address. Figure 19 is described such as reference, with traditional alternate access physical format information zone that passes through Territory and condition judgement zone search for accessible area end physical address information recording// Transcriber is compared, and access frequency has reduced in fact half and the access time significantly reduces.
Further, in information recording carrier of the present invention, particular virtual address is assigned to literary composition Part group descriptor and catalogue file entrance are recorded in as the senior VAT of basic structure information In the senior VAT structural region.
When execute file reproduces, use the information of the present invention of such information recording carrier Data recording/reproducing device can not searched for volume structure and directly search and distribute particular virtual address File set descriptors and root document entry. Thereby, shortened the access time.
Further, in information recording carrier of the present invention, particular virtual address is assigned to The senior VAT of catalogue (AV-Dir) document entry or AV document entry is recorded in senior In the VAT structural region.
When the reproduction of AV file, use the information of the present invention of such information recording carrier Data recording/reproducing device can directly be searched for the catalogue (AV-Dir) of having specified particular virtual address The document entry of document entry or AV file, and do not search for non-basic structure information, for example civilian Part group descriptor and root document entry. Thereby, further shortened the access time. When again Now during such AV file, only use the VAT on the head sector that is recorded in senior VAT Entrance, thus can have the limited capacity storage according to a simple process even when using High speed readout AV file during the family expenses AV device of device and relative low performance processor.

Claims (3)

1. method of manufacturing information recording carrier comprises step:
A data posting field is provided, distributes one to introduce zone and a volume space therein in advance,
Wherein, in volume space, distribute a senior VAT structural region;
The senior VAT information that will be used for the relation between managing virtual address and the logical address is recorded in senior VAT structural region, an address in wherein said each virtual address indication virtual address space, and an address in described each logical address indication logical address space, and
In senior VAT information, with the indication file structure, be assigned at least one virtual address for requisite basic structure information the All Files of searching record in information recording carrier.
2. the method for claim 1, wherein:
Basic structure information comprises the file item of file set descriptors and root directory; And
Senior VAT information comprises a VAT item that is used for the logical address of file set descriptors is assigned to virtual address 0, and the 2nd VAT item that is used for the logical address of the file item of root directory is assigned to virtual address 1.
3. the method for claim 1, wherein senior VAT structural region is dispensed on the end of an accessible area.
CNB2006100753232A 2000-05-31 2001-05-30 Method for producing information recording medium Expired - Fee Related CN100468556C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP163829/2000 2000-05-31
JP2000163829 2000-05-31
JP261971/2000 2000-08-30

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CNB018127320A Division CN1277267C (en) 2000-05-31 2001-05-30 Information recording medium, information recording method, information apparatus, information reproducing method and information reproducing apparatus

Publications (2)

Publication Number Publication Date
CN1848282A CN1848282A (en) 2006-10-18
CN100468556C true CN100468556C (en) 2009-03-11

Family

ID=37077804

Family Applications (2)

Application Number Title Priority Date Filing Date
CNB2006100753232A Expired - Fee Related CN100468556C (en) 2000-05-31 2001-05-30 Method for producing information recording medium
CNB2006101534853A Expired - Fee Related CN100562936C (en) 2000-05-31 2001-05-30 Information recording carrier, information recording method, information record carrier, information regeneration method and information reproduction apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
CNB2006101534853A Expired - Fee Related CN100562936C (en) 2000-05-31 2001-05-30 Information recording carrier, information recording method, information record carrier, information regeneration method and information reproduction apparatus

Country Status (1)

Country Link
CN (2) CN100468556C (en)

Also Published As

Publication number Publication date
CN100562936C (en) 2009-11-25
CN1848282A (en) 2006-10-18
CN1920995A (en) 2007-02-28

Similar Documents

Publication Publication Date Title
CN101436419B (en) Method and apparatus for recording management information on write-once optical disc
US6934700B1 (en) File systems supported data sharing
CN100437802C (en) Information recording medium, information recording method, information recording device, information reproduction method and information reproduction device
CN101256808B (en) Method for forming disc storage for information about multiple information storage media
USRE44341E1 (en) System and method for producing storage media images
KR950704785A (en) Information management method, data recording media, data recording method, information searching method and information searching apparatus
CN1833287B (en) Information processing device and method
CN1957416B (en) Recorder, host device, drive device, recording method, reproducing device and reproducing method
EP0507341A2 (en) Data recording method and data recording medium
KR100491193B1 (en) Information recording medium, information recording method, information recording apparatus, information reproducing method, and information reproducing apparatus
CN100545917C (en) The recording medium and the heavy method and apparatus of formatted record medium
JPH11232838A (en) Optical disk, optical disk recording device and optical disk reading device
CN101765882A (en) Method for emulating optical disk, optical disk drive using the same, and optical disk including security zone
CN100468556C (en) Method for producing information recording medium
CN100452221C (en) Information storage medium,recording/reproducing apparatus,recording/reproducing method,and host
JPS63104284A (en) Disk file access system
US6047360A (en) System and method of organizing and defragmenting audio events recorded on a storage medium
US20080123481A1 (en) Method for Saving ther Keylockers on Optical Discs
CN100428340C (en) Information recording medium, information recording method, information recording apparatus, information reproduction method, and information reproduction apparatus
US20080005756A1 (en) Recording of Data with Special Storage Space Requirements on a Storage Medium
JPH04245569A (en) Document file retrieving method
JPH01211385A (en) System for controlling optical disk
JPH09161371A (en) Electronic device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090311

Termination date: 20130530