CN1479280A - Method of high density data recording of optical recording medium - Google Patents
Method of high density data recording of optical recording medium Download PDFInfo
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- CN1479280A CN1479280A CNA021367310A CN02136731A CN1479280A CN 1479280 A CN1479280 A CN 1479280A CN A021367310 A CNA021367310 A CN A021367310A CN 02136731 A CN02136731 A CN 02136731A CN 1479280 A CN1479280 A CN 1479280A
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Abstract
Under DVD data frame structure, let two physical sections (sector) correspond to 1ATTP frame structure of CD - R/RW. Number of sector is recorded in number of section of ID, and field type and data type etc. information is assigned to section information of ID. The data frame structure in the invention records minute, second of ATIP absolute time information and frame structure information onto 3 bytes of 6 bytes MSFA part; or records conversion information of ATIP absolute time and the left 3 bytes as standby. The invention uses current CD - R/RW optical recording media, modifies ID and MSF sects properly, overcomes absolute time processing limit in current CD - R/RW media. Moreover, the invention guarantees high-density data recording and play back environment of CD - R/RW optical disk.
Description
(1) technology territory
The present invention relates to a kind of method of high density data record of optical recording media.The present invention be relevant data with data structure and the recording method thereof of high density recording at optical recording media, refer in particular to, user's data with high density recording when CD-R/RW (CD-R or CD-RW), the form of the high density data record of the relevant optical recording media of using DVD data framework designs simplification high density recording and broadcast.
(2) background technology
The CD-RW driver is to be connected PC, the device of CD-RW as object sense data or storage.This CD driver usually can read and be recorded on the CD CD (CD-ROM, series data CD-AUDIO), also can data be recorded in CD (CD-R) (CD-RW) on.Particularly disposable recording can only be made, and, repeatedly record can be made at CD-RW at CD-R.Because each data is all abideed by CD series standard form (form of definition such as Red Book, yellow book), so CD-ROM drive, CD-R driver and CD-RW driver possess the interchangeability that can both read.
To CD-R, the standard of CD-RW is stipulated in the orange paper, because interchangeability and high recording capacity that CD-ROM is driven, so CD-R/RW is welcome with the data storage of PC, especially, CD-RW more receives an acclaim because of recording feature again.
For CD-R, the CD-RW CD forms the start bit of flute profile attitude at random according to the conduit surface, writes down this data according to this start bit during record data.Read-only optical disc, with can to write down CD different, during original records or when writing down again, can not be the measuring point that has been recorded with tracking servo, focus servo, the servo use of linear velocity control.Storing with the physical property coding method that claims Wobble with trough (land groove), start bit absolute time information and several optical disc information that claim ATIP (Absolute Time In Pre-groove) at groove, use this ATIP then to realize servocontrol, positional information is used with the absolute position, and the sevtor address that makes it with physical record carries out synchronously.That is, because the absolute position is fixed, so use the ATIP address then on any position, all can carry out record/broadcast.
Data space on the CD can be considered the structure continuous collection of continuous several frameworks (Frame).A framework (frame) (Frame) can be stored about 2048byte information.Because each district has made addressing, so can directly can seek its position.In CD system, use MSF (Min, Sec, addressing method Frame).1 second is 75frame, and 1 is divided into 60 seconds.Promptly a framework means the zone that has storage address information in a sector, the sector, and this zone is called SUB-Q.
At CD-R, the CD-RW system makes the MSF address that is recorded in the above-mentioned SUB-Q guarantee that with the ATIP district of its position record is consistent.Be divided into introducing territory, process field again, drawn the territory by the data storage space that several segments constituted, in CD-R and CD-RW system, PMA territory, PCA territory are present in first internal area the place ahead.
Described introducing territory has possessed the data structure of TOC here as the territory in process field the place ahead, is writing down the conduit information that is recorded in the process field in this TOC, according to this, firmly believes the conduit existence that is recorded in the process field and seeks its position.
Described process field is that conduct can be stored the data with Practical significance, and the district is formed by more than one conduit.That is, exist many conduits in process field, during the CD audio frequency, normal, a song is stored in the section.
Describedly draw the backup domain that the territory is the program outside.
Above-mentioned introducing territory, process field, draw the territory and be generically and collectively referred to as session (Session).Can form many Session on a CD, this is many Session.
The reference position in first conversational program territory is determined that with physical property with MSF address 0:0:0, later data space is to increase by one in order to address, and territory, the place ahead is to address with first incoming direction form of successively decreasing in order.First whole address of reading is generally 99:59:74.
Above-mentioned PMA territory is only to be present in record to use CD system, because of the session (Session) here with institute of conduit unit record, so the conduit information that stored record is utilized.For example, write down after the session, do not do session and but eject CD, can't confirm on CD then whether conduit exists.Need PMA for this reason.Add each information in the PMA territory according to each conduit record.Reference position and final position is put information in this PMA project stored.
The normal recordings method of relevant CD is as follows:
From the beginning of CD,, then on any position, can not write down conduit if only allow additional recording method.Give when being equipped with conduit, although information is not recorded in entire portion, can be recorded in following conduit, session can be recorded at last.But in order to close session, all conduits in session must record.Incomplete conduit also will be closed.When session was closed, record was promptly sought session next time to the position information of process field in introducing.If there is not to do the insertion point of session next time in pairs, so this CD be become again can not addition record CD.During CD-RW because readable record, so, although all can carry out record again, can not optionally change channel lengths into to the conduit that has write down, and must re-write optical disk when writing down again all.
Above-mentioned such, CD, CD-ROM, CD-V etc. are the very successful memory storages as storing audio, MPEG video and many numerical informations.But it is main computer demand and the requirement of high definition digital video frequency program that the capacity of 680Mbytes degree can not satisfy graphical application.Extended DVD is the novel optical recording media that kind of CD has the capacity more than 7 times from CD series.Thereby the increase of memory space improves according to the raising of the matter of light source and thing lens.Simultaneously, the increase of DVD memory space is to use RS-PC and the EFM plus sige record code of more strengthening, and designs the logical form of CD formed completely again.
Utilize such RS-PC ECC and 8/16 modulation code, when writing down onesize data, can write down out the encode record of more capacity than existing CD R/RW.
(3) summary of the invention
The present invention is as the high-density recording recording method of optical recording media, its propose relevant data with high density recording in CD-R/RW optical disc data framed structure;
The present invention is for high density and low-density data being recorded on the CD and the data framework structure that proposes;
The present invention points out relevant low-density record data framed structure with after relevant high density recording framed structure makes different structure, is recorded in the data record method and the data framework structure thereof of optical recording media;
The present invention proposes, use RS-PC ECC and 8/16 to regulate coding or possess adjusting sign indicating number with its similar encoding rate, user's data of 2048bytes with high density recording when the CD-R/RW, to overcome existing C D-R/RW recording medium absolute time processing limit in existing DVD data program structure, with the data program structure and the method thereof of the optical recording media that can carry out for the information that easily makes high density recording and broadcast with applying flexibly;
The present invention is as the high-density recording recording method of optical recording media, the low-density data record method is dependent on existing C D recording method, the high density data record method is dependent on the recording method as the basis of new construction routine data that ID and MSF are partly changed, in order to write down high density data, allow master data have that tables of data is known and absolute time information, and allow the size of total data be 2048bytes.
The method of the high density data record of optical recording media of the present invention is meant to be recorded in data framework at the recordable optical record medium with high density data record data identification and absolute time information.
The data framework structure and the recording method thereof of the high density data of optical recording media of the present invention are, in DVD data framework structure, allow two physical sectors correspond to the 1ATIP framework of CD-R/RW CD, and sector data (sector information) are recorded in the sector number of ID, give the ID sector auxiliary information information distribution of area type (area type) and data type (date type) etc., to comprise this information record data framework.
The data framework structure and the recording method thereof of the high density data of optical recording media of the present invention are, in DVD data framework structure, the every minute and second of ATIP absolute time information, frame information are recorded in 3 byte (minutes of 6 byte MSF part, seconds, frames), otherwise the record ATIP absolute time conversion information.Remaining 3 bytes standby to do (reserved) are distributed.
The data structure and the recording method thereof of the high density recording of optical recording media of the present invention are, in the DVD data structure, allow the 1ATIP framework of the corresponding CD-R/RW of the being formed in CD in two physical property districts (physical sector), sector number is recorded in the sector number (Sector number) of ID, to comprise this information record frame data.
The program data structure and the recording method thereof of the high density data record of optical recording media of the present invention are, in DVD data program structure, the sector number information (Sector information) that area type (area type) and data type information is distributed in ID forms, to comprise this information record program data.
The program data structure and the method thereof of the high density data record of optical recording media of the present invention are, the MSF of 6 bytes in the DVD data structure partly or the minute, second of the absolute time information of ATIP, program information similarly is recorded in 3 bytes, the absolute time conversion information of record ATIP remains 3 bytes to do standby distribution.
The program data structure and the recording method thereof of the high density data record of optical recording media of the present invention are to exist 2 physical property sector numbers with same MST information in DVD data structure, to make it being recorded in same ATIP accordingly.
Effect of the present invention: the present invention directly utilizes existing C D-R/RW optical recording media, during with high density (2 times of capacity) record data, the ID of data program and MSF part are suitably revised, and overcome the absolute time processing limit of existing CD-R/RW recording medium.And can ensure the high density data record of existing C D-R/RW CD and the environment of broadcast.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Shown in Figure 1 is the data framework structural drawing of optical recording media of the present invention;
Shown in Figure 2 is the ID structure of optical recording media of the present invention;
Shown in Figure 3 is the MSF structure of optical recording media of the present invention;
(5) embodiment
Fig. 1 is in order the structure of data program of the present invention to be described, to contain the ID of 4 bytes and the IED of 2 bytes in 12 row (rows), the MSF of 6 bytes, and the master data of 160 (D0-D159) byte; The master data of 172 bytes (D160-D331); The master data of 172 bytes (D332-D503) ... the master data of 172 bytes (D1708-D1879); And the data program of the EDC of master data of 168 (D1880-D2047) byte of the 12nd row (rows) and 4 bytes formation.
Among the present invention as previously described, user's data in 2048 bytes, use RS-PC ECC and 8/16 modulation code (comprising the modulation code that has with its similar encoding rate), so that data are recorded in CD-R/RW optical disc data program as a scheme with high density (be existing capacity 2 times), data program structure at above-mentioned Fig. 1, ID and MSF are partly changed, and its process is as follows:
At first, during 4 byte ID (b0-b31), shown in Figure 2 comprising zone field (Sectorinformation) (b24-b31) and sector number (sector Number) (b0-b23), allow 2 physical zone correspond to the 1ATIP program of CD-R/RW CD here, sector number is carried out record.That is,, make it to correspond to the record of 2 times of capacity, can solve the record deficiency (handling more than 99 minutes) of absolute time by this process at existing CD-R/RW CD.
Again, with area type (Area type) (b26, b27) and data type (Data byte) (b25) be distributed in the zone field (b24-b31) of ID.
Promptly, bit 27 (b27) and bit 26 (b26) range of distribution type, when 00b, then be data field, 01b is for introducing the zone, and 10b is for drawing the zone, 11b is with standby distribution and definition, bit 25 (b25) distribute data type, 0b can write record data, and 1b is for being defined with linking data and distributing.
The ID that revises data program like this again, handles the MSF part (b0-b47) of 6 bytes as shown in Figure 3.
At first, 3 bytes (b0-b23) of lower end, be on the spare space earlier, from the upper bit, for dividing (Minutes) (b47-b40), then, next 1 byte is a second (seconds (b39-b32) to 1 byte, then, next but one 1 byte comprises framework (frames) 3 byte time information (b31-b24).That is, in the MSF of 6 bytes part, the minute, second of the absolute time information of ATIP, program information, with 3 same ground of byte records, and all the other 3 bytes, be used for standby, perhaps, the absolute time conversion information of ATIP, for example, with MSF, be used to write down the information that ATIP frame number record converts, all the other 3 bytes are used for standby.Like this, just can learn that record possesses the existence of 2 physical zone of same MSF information, this just means makes it to correspond to same ATIP.
Then,, give 3 bytes fully in above-mentioned MSF structure, for example, used on new copyright administration.
In the MSF of above-mentioned Fig. 3 structure, temporal information is showed with BCD, because the 1ATIP program corresponds to 2 physical zone, so, this means that 2 physical zone possess same MSF data.
Above-mentioned, user's data with 2048 bytes, RS-PC ECC and 8/16 modulation code, with high density data record when the CD-R/RW disk, utilize data program structure of the present invention, in the densification process of memory space, can overcome the absolute time processing limit of existing CD-R/RW recording medium, thereby and make high density recording and playing process is easy that information can be provided.
Certainly, those of ordinary skill in the present technique territory will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (11)
1. the method for the high density data record of an optical recording media is characterized in that described method is meant to be recorded in data framework at the recordable optical record medium with high density data record data identification and absolute time information.
2. the method for the high density data record of optical recording media as claimed in claim 1, it is characterized in that described recordable optical record medium, be recorded in data framework with the data identification of high density data record and the data identification and the absolute time information of absolute time information and low-density data.
3. as the method for the high density data record of claim 1,2 described optical recording medias, it is characterized in that described data identification information is to allow 2 physical zone (sector) corresponding to the 1ATIP program of CD-R/RW data, sector number is recorded in data program ID sector number.
4. as the method for the high density data record of claim 1,2 described optical recording medias, it is characterized in that described data identification information is so that area type and data type information are distributed in the data program id information.
5. as the method for the high density data record of claim 1,2 described optical recording medias, it is characterized in that described absolute time information is to be recorded in data program MSF part with the absolute time conversion information the absolute time information of ATIP or ATIP.
6. the method for the high density data record of optical recording media as claimed in claim 5 is characterized in that it is the existence record wittingly that makes 2 physical zone with same MSF information that the absolute time information of described ATIP or absolute time conversion information are recorded in MSF.
7. the method for the high density data record of optical recording media as claimed in claim 5 is characterized in that described absolute time conversion information is the information institute record that converts with ATIP program section with MSF.
8. the method for the high density data record of optical recording media as claimed in claim 1, it is characterized in that described recordable optical record media data framed structure (data program) comprises the ID and the 6 byte MSF of 4 bytes, described ID comprises the sector number of 3 bytes and the sector auxiliary information of 1 byte, sector number at described ID, allow the 1ATIP framework of 2 physical zone corresponding to the CD-R/RW disk, sector number is recorded, sector auxiliary information at described ID, area type and data type are recorded, described area type is to be assigned with 2 bits, and definition of data zone, introduce the zone, draw the zone, described data type is distributed with 1 bit, the definition re-recordable is introduced and is connected data, described MSF similarly is recorded in 3 bytes to absolute time information, perhaps write down the absolute time conversion information of ATIP, remaining 3 byte is to do standby distribution.
9. the method for the high density data record of optical recording media as claimed in claim 1 is characterized in that described data identification and absolute time information are recorded in the data program of recordable optical record medium.
10. as the method for the high density data record of claim 2,9 described optical recording medias, it is characterized in that the described stage of the recordable optical record medium being selected low-density record or high density recording, when selecting the low-density record, carry out the stage of data recording according to existing CD recording method, when selecting high density recording, comprise described data identification and absolute time information, carry out the stage of high density data record.
11. the method for the high density data record of optical recording media as claimed in claim 9, it is characterized in that described data identification, at data program ID, when allowing 2 physical zone corresponding to 1ATIP program, record sector number, posting field type and data type, described absolute time information is in the MSF part, absolute time information similarly is recorded in 3 bytes, and the absolute time conversion information of record ATIP.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021367310A CN1286093C (en) | 2002-08-30 | 2002-08-30 | Method of high density data recording of optical recording medium |
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| CNB021367310A CN1286093C (en) | 2002-08-30 | 2002-08-30 | Method of high density data recording of optical recording medium |
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| CN1479280A true CN1479280A (en) | 2004-03-03 |
| CN1286093C CN1286093C (en) | 2006-11-22 |
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| CNB021367310A Expired - Fee Related CN1286093C (en) | 2002-08-30 | 2002-08-30 | Method of high density data recording of optical recording medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981924A (en) * | 2012-11-08 | 2013-03-20 | 杭州士兰微电子股份有限公司 | Method and device suitable for data storage of dynamic coding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981924A (en) * | 2012-11-08 | 2013-03-20 | 杭州士兰微电子股份有限公司 | Method and device suitable for data storage of dynamic coding |
| CN102981924B (en) * | 2012-11-08 | 2015-04-29 | 杭州士兰微电子股份有限公司 | Method and device suitable for data storage of dynamic coding |
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| CN1286093C (en) | 2006-11-22 |
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Granted publication date: 20061122 Termination date: 20110830 |