CN100431031C - Data transmission system, data transmission method, and data transmission program - Google Patents
Data transmission system, data transmission method, and data transmission program Download PDFInfo
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- CN100431031C CN100431031C CNB2004800006591A CN200480000659A CN100431031C CN 100431031 C CN100431031 C CN 100431031C CN B2004800006591 A CNB2004800006591 A CN B2004800006591A CN 200480000659 A CN200480000659 A CN 200480000659A CN 100431031 C CN100431031 C CN 100431031C
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Abstract
A transferring operation for music contents can be simplified. In addition, a check-out can be performed without destruction of a data structure of music contents. A personal computer 100 manages music contents with an album composed of entities of songs and a play list composed of pointers to entities of songs. When songs are checked out from the personal computer 100 side to a disc drive device 1 side, all songs contained in albums described in a play list are checked out. In addition, the play list is transferred to the disc drive device 1 side. The transferred play list and songs that have been checked out are linked. Thus, the numbers of permissible check-out times for songs become the same in each album. As a result, the transferring operation for music contents can be simplified and a check-out can be performed without destruction of the data structure of music contents.
Description
Technical field
The present invention relates to a kind of data communication system, data transferring method and data convey program, more particularly, relate to from personal computer and transmit music content to potable recording and reproducer, and the data communication system from reproducer to personal computer, data transferring method and the data convey program that transmit music content from potable recording and.
Background technology
In recent years, occurred writing down and reproducing music etc., had the potable recording and the reproducer of internal hard disk drive and miniaturization.Such potable recording is connected with personal computer with reproducer, so that the music data of management accounts in equipment.
For example, many music datas are kept in the internal hard disk drive of personal computer.Music data composition data storehouse.Personal computer constitutes music servers.Music data extracts (rip) from CD (compact disk) usually and obtains, and perhaps utilizes the music distribution system of working on network such as the Internet, from network download.
Utilize cable to connect personal computer and potable recording and reproducer.The music data that is kept in the database of personal computer is transmitted to potable recording and reproducer.Potable recording and reproducer record internal hard disk drive to the music data that transmits.When the user carried potable recording and reproducer, he or she can be anywhere, and for example outdoor appreciation is kept at the music data in the database of personal computer.
On the other hand, as the recording medium with respect to its record and reproduction digital audio-frequency data, the mini disk (MD) that comprises 64 millimeters magneto-optic disks of diameter in tray salver has obtained propagating.The MD system uses the compressibility of ATRAC (adaptive transformation sound encoder) as voice data.Utilize U-TOC (user TOC (contents table)) management music data.In other words, but on the inner periphery of recording areas of dish, form the recording areas that is called U-TOC.In current MD system, U-TOC is the order of songs according to track (audio track/data-track), and record is wiped etc., the management information of rewriting.In addition, U-TOC manages the reference position of each track, final position and pattern, and each part that constitutes track.
Because the MD system uses the file management method be different from the normally used FAT of personal computer (file allocation table) file system, so MD system and multi-purpose computer uses such as personal computer data recording and management system are incompatible.Thereby, proposed with the personal computer highly compatible, use the system of general management system such as the FAT system.
Utilize aforementioned personal computer, use with the dish of personal computer compatibility potable recording can be connected with music servers with reproducer as recording medium.The database that is kept in the music servers can be recorded on the dish.
The recording capacity of the dish of routine MD system is about 160MB.Think and utilize and conventional MD compatibility, and have the dish of the recording capacity of increase, can realize and utilize the potable recording and the reproducer identical functions of above-mentioned hard disk drive.For the recording capacity of the dish that improves conventional MD system, must improve the numerical aperture (NA) of Wavelength of Laser and optical head.But there is limit in the improvement of the numerical aperture of Wavelength of Laser and optical head.Thereby, proposed to use the technology such as the magnetic super-resolution, improve the system of recording capacity.
Because the recording capacity of recording medium increases, when utilizing cable to connect aforementioned personal computer and potable recording and reproducer, and the music data in the database that is kept at personal computer sent to record and during reproducer, the song of selecting to be recorded on this recording medium with recording capacity greatly bothers very much.
The open No.2003-29795 of Japanese Patent Laid discloses the file that list of songs is liked in a kind of generation, and liking the song of the file of list of songs to send storer (returning to storer simultaneously) to, so that the reduced data transfer operation.
In personal computer, song is by entity (entity), promptly as the data structure of voice data itself, perhaps by pointer management.Entity has hierarchy.Hierarchy is also referred to as song book (album) (perhaps group).This structure is formed by the structure of record or as the CD of music distribution medium.This structure is one of topmost notion.Pointer is to the link that is included in the entity in the recording medium.Thereby pointer does not have entity itself.Tabulation utilizes one group of pointer to describe the reproduction order of song, and is called as playlist (perhaps program reproducing tabulation).
Below, with reference to figure 1, the notion of playlist and song book is described.Song book 1 is made up of song 1～7.Song book 2 is made up of song 8～14.Song 1～14th, the entity of song.Playlist 1 is described the reproduction order of song.In other words, when selecting playlist 1 and reproducing the song of wherein describing, song 1, song 2, song 2, song 8, song 5, song 13 and song 14 are reproduced by this order.The song of describing in the playlist 11 (link), song 2 (link) ... the pointer that is linked with song 14 (link), so that locate the entity of songs from song book 1 and song book 2.1 description of playlist is for the pointer of song, and do not describe the entity of song itself.Thereby, even from playlist 1 deletion song 1 (link), song 2 (link) etc., an also Remove Links, and do not delete corresponding song, for example song 1 and song 2 as entity.
Below, according to the notion of song book and playlist, illustrate by cable to connect personal computer and potable recording and reproducer, and the music data in the database that is kept at personal computer is sent to the situation of potable recording and reproducer.In the correlation technique list of references below, suppose that every first song can transfer to record and the number of times of reproducer is restricted to maximum 3 times from personal computer.
Fig. 2 represents to transmit from personal computer the example of song.Fig. 3 represents to transmit from personal computer another example of song.Be positioned at the number of times that digitized representation that the every first song shown in Fig. 2 and Fig. 3 begins should the head song can be transmitted.
In the example shown in Fig. 2, the song of describing in the playlist 1 at personal computer is transmitted to record and reproducer, supposes that the song of describing in the playlist 1 is a suite of song song that will transmit.
In this case, when the song of describing in the playlist 1 was transmitted to record and reproducer, they were recorded into the structuring concept of song book or entity (song book 3 shown in Fig. 2).Thereby the notion of the playlist on the personal computer is changed into the notion of the song book on record and the reproducer.Do not support to use the routine record and the reproducer of the representational role of playlist to use this system inevitably.But in recent years, the record of the representational role of support use playlist and the number of reproducer increase, and the user may be hesitating to this method.In addition, song is included in the song book as the structural unit on the personal computer.But, in a song book, the number of times difference that song can be transmitted.
In the example shown in Fig. 3, in the notion that keeps playlist, song sends record and reproducer to from personal computer.In last example, locate song 2 owing to twice by playlist, so the number of times that song 2 can be transmitted becomes 1 time.But in the method shown in Fig. 3, the number of times that song 2 can be transmitted becomes 2 times.In other words, according to the notion of playlist, when constituting song book on record and reproducer, song 2 is transmitted 1 time.
But, destroyed the song book that comprises song on record and the reproducer, for example song book 1 and 2 notion.Similarly, song is comprised in the song book as the structural unit on the personal computer.In addition, in a song book, the number of times difference that song can be transmitted.
Thereby, when transmitting music content, because as another regular cause of the basic hierarchy of the song book that comprises song, the number of times that every first song can be transmitted is reduced according to playlist.
In addition, when transmitting music content according to playlist, the notion of song book and playlist is destroyed.
Summary of the invention
So, an object of the present invention is to provide a kind of transfer operation that allows to simplify music content, and in the notion of the data structure of not destroying music content, for example under the situation of song book and playlist, transmit data communication system, data transferring method and the data convey program of music content.
To achieve these goals, the present invention is a kind of data communication system that transmits voice data between first recording medium and second recording medium, a plurality of first set records of forming by at least one entity of voice data are on first recording medium, described data communication system comprises: describe being included at least one first set, and be recorded in the reproduction order of the voice data in first recording medium, and second set of the pointer of the entity that is included in the voice data in each first set is described; With when the voice data of describing is transmitted to second recording medium, first all entities of voice data in gathering that are included in the voice data that wherein comprises described in second set are sent to the control section of second recording medium from first recording medium in second set.
In addition, the present invention is a kind of data transferring method that transmits voice data between first recording medium and second recording medium, a plurality of first set records of forming by at least one entity of voice data are on first recording medium, described data transferring method comprises the steps: to receive the order of voice data from first recording medium to second recording medium that makes description in second set, second set description is included at least one first set, and be recorded in the reproduction order of the voice data in first recording medium, and the pointer of the entity that is included in the voice data in each first set is described; Search is included in first set of the voice data of describing in second set; With the entity of the voice data of describing in second set is sent to second recording medium from first recording medium, and transmit and comprise all entities that send the voice data that comprises first set of voice data of second recording medium from first recording medium to.
In addition, the present invention is a kind of data convey program that transmits voice data between first recording medium and second recording medium, a plurality of first set records of forming by at least one entity of voice data are on first recording medium, described data convey program comprises the steps: to receive the order of voice data from first recording medium to second recording medium that makes description in second set, second set description is included at least one first set, and be recorded in the reproduction order of the voice data in first recording medium, and the pointer of the entity that is included in the voice data in each first set is described; Search is included in first set of the voice data of describing in second set; With the entity of the voice data of describing in second set is sent to second recording medium from first recording medium, and transmit and comprise all entities that send the voice data that comprises first set of voice data of second recording medium from first recording medium to.
As mentioned above, according to the present invention, the entity of the voice data of describing in second set sends second recording medium to from first recording medium.In addition, all entities that comprise the voice data that comprises in first set of the voice data that will transmit send second recording medium to from first recording medium.Thereby the entity of the voice data of describing in second set can be sent to second recording medium simultaneously, can not destroy the notion of the structure of first set and second set.In each song book, the number of times that music content can be transmitted to second recording medium becomes identical.
In other words, according to the present invention, comprise second recording medium that all music contents that comprise in first set of the music content that will transmit are transmitted to record and reproducer side.Thereby in each first set, the number of times that music content can be transmitted becomes identical.In addition, in second recording medium, can form with first recording medium in the identical data structure of music content.
Thereby, can simplify the transfer operation of music content.In addition, can be formed under the situation of the data structure of not destroying music content, transmit the environment of music content.
Description of drawings
Fig. 1 is the synoptic diagram of example of the relation of expression conventional song book and playlist;
Fig. 2 is the synoptic diagram of another example of the relation of expression conventional song book and playlist;
Fig. 3 is the synoptic diagram of another example of the relation of expression conventional song book and playlist;
Fig. 4 is the synoptic diagram of describing according to the dish of the standard of MD of future generation 1 system;
Fig. 5 is the synoptic diagram of describing according to the recording areas of the dish of the standard of MD of future generation 1 system;
Fig. 6 A and 6B are the synoptic diagram of describing according to the dish of the standard of MD of future generation 2 systems;
Fig. 7 is the synoptic diagram of describing according to the recording areas of the dish of the standard of MD of future generation 2 systems;
Fig. 8 is the synoptic diagram of example of the outline form of expression UID;
Fig. 9 is a synoptic diagram of describing the error correcting code cataloged procedure of MD 1 of future generation and MD of future generation 2;
Figure 10 is a synoptic diagram of describing the error correcting code cataloged procedure of MD 1 of future generation and MD of future generation 2;
Figure 11 is a synoptic diagram of describing the error correcting code cataloged procedure of MD 1 of future generation and MD of future generation 2;
Figure 12 describes the skeleton view that utilizes swing to produce address signal;
Figure 13 is a synoptic diagram of describing the ADIP signal of current MD system and MD of future generation 1 system;
Figure 14 is a synoptic diagram of describing the ADIP signal of current MD system and MD of future generation 1 system;
Figure 15 is the synoptic diagram of the ADIP signal of description MD of future generation 2 systems;
Figure 16 is the synoptic diagram of the ADIP signal of description MD of future generation 2 systems;
Figure 17 is the current MD system of expression and the ADIP signal of MD of future generation 1 system and the synoptic diagram of the relation between the frame;
Figure 18 is the ADIP signal of expression MD of future generation 1 system and the synoptic diagram of the relation between the frame;
Figure 19 is the synoptic diagram of the control signal of description MD of future generation 2 systems;
Figure 20 is the block scheme of indicating panel drive unit;
Figure 21 is the block scheme of the structure of expression media drive part;
Figure 22 is the process flow diagram of example of initialization procedure of the dish of expression MD 2 of future generation;
Figure 23 is the process flow diagram of example of initialization procedure of the dish of expression MD 2 of future generation;
Figure 24 is the synoptic diagram of first example of description audio data management system;
Figure 25 is the synoptic diagram of description according to the audio data file of first example of audio data management system;
Figure 26 is the synoptic diagram of description according to the track index file of first example of audio data management system;
Figure 27 is the synoptic diagram of description according to the playing sequence table of first example of audio data management system;
Figure 28 is the synoptic diagram of description according to the programmed sequence table of first example of audio data management system;
Figure 29 A and 29B are the synoptic diagram of description according to the group information table of first example of audio data management system;
Figure 30 A and 30B are the synoptic diagram of description according to the orbit information table of first example of audio data management system;
Figure 31 A and 31B are the synoptic diagram of description according to the partial information table of first example of audio data management system;
Figure 32 A and 32B are the synoptic diagram of description according to the namelist of first example of audio data management system;
Figure 33 is the synoptic diagram of description according to the example of the process of first example of audio data management system;
Figure 34 is a synoptic diagram of describing a plurality of title grooves (slot) of citable namelist;
Figure 35 A and 35B describe from the audio data file according to first example of audio data management system to delete the synoptic diagram of certain a part of process;
Figure 36 is the synoptic diagram of second example of description audio data management system;
Figure 37 is the synoptic diagram of expression according to the structure of the audio data file of second example of audio data management system;
Figure 38 is the synoptic diagram of description according to the track index file of second example of audio data management system;
Figure 39 is the synoptic diagram of description according to the playing sequence table of second example of audio data management system;
Figure 40 is the synoptic diagram of description according to the program control playing sequence table of second example of audio data management system;
Figure 41 A and 41B are the synoptic diagram of description according to the group information table of second example of audio data management system;
Figure 42 A and 42B are the synoptic diagram of description according to the orbit information table of second example of audio data management system;
Figure 43 A and 43B are the synoptic diagram of description according to the namelist of second example of audio data management system;
Figure 44 is the synoptic diagram of description according to the example of the process of second example of audio data management system;
Figure 45 is second example of describing according to the audio data management system, and the data of a file can be divided into the synoptic diagram of a plurality of index areas with index;
Figure 46 is the synoptic diagram of description according to the connection of the track of second example of audio data management system;
Figure 47 is the synoptic diagram of description according to the connection of the track of the other method of second example of audio data management system;
Figure 48 A and 48B describe according under personal computer and the interconnective state of disk drive device the type of the data that will write, the synoptic diagram of transfer management ability;
Figure 49 is a synoptic diagram of describing the step of a series of voice datas of check output;
Figure 50 represents the synoptic diagram of the example of structure of software according to an embodiment of the invention;
Figure 51 A and 51B are the synoptic diagram of expression by the example of structure of the database of planter (Jukebox) application program management;
Figure 52 represents the synoptic diagram of the example of the relation of song book and playlist according to an embodiment of the invention;
Figure 53 represents the process flow diagram of the check output procedure of software according to an embodiment of the invention.
Embodiment
Below, one embodiment of the present of invention are described.Before explanation this embodiment of the present invention, following ten joints are described according to disc system of the present invention.
1. the general introduction of register system
2. coil
3. signal format
4. the record and the structure of reproducer
5. the initialization procedure of MD 1 dish of future generation and MD of future generation 2 dishes
6. first management system of music data
7. second example of the management system of music data
8. when being connected with personal computer, the operation of disc system
9. be recorded in the copy limit of the voice data on the dish
10. the structure of software
1. the general introduction of register system
According to embodiments of the invention, magneto-optic disk is used as recording medium.According to the physical property of the dish of this embodiment, for example form factor etc. is identical with physical property according to the dish of so-called MD (mini disk) system substantially.But, be different from conventional MD according to the arrangement of the data on data on the dish of this embodiment and the dish.
In fact, according to an embodiment of the invention equipment uses the file management system of FAT (file allocation table) system content-data such as voice data as record and reproduction.Thereby this equipment can be guaranteed the compatibility of the file system used with conventional personal computer.
In this example, the term in this instructions " FAT " or " FAT system " generally are used to represent various file system based on PC.Thereby, these terms are not used for representing the file system of using based on predetermined FAT in DOS (disc operating system (DOS)), the VFAT (virtual FAT) that in Windows (registered trademark), uses, the FAT 32 that in Windows 98/ME/2000, uses, and NTFS (NT file system (being also referred to as New Technology File System)).NTFS is the file system of using in WindowsNT operating system or (optional) Windows 2000.When writing dish from the dish sense data or data, NTFS writes down and reads file.
In addition, according to embodiments of the invention, the error correction system and the modulating system of current MD system are modified, thereby improve the recording capacity and the reliability of data.In addition, according to embodiments of the invention, content-data is encrypted, prevents by bootlegging, so that the copyright of protection content-data.
As the recoding/reproduction form, there are the standard of MD of future generation 1 system and the standard of MD of future generation 2 systems.The standard of next generation MD 1 system is used the dish (that is, physical medium) the same with present MD system.The standard of of future generation MD 2 systems uses its form factor and outer shape identical with the dish of current MD system, still utilizes magnetic super-resolution (MSR) to increase the dish of the recording density on its linear recording direction.The inventor of present patent application has worked out these systems.
Present MD system uses the 64 mm dia magneto-optic disks that are included in the tray salver as recording medium.The thickness of this dish is 1.2 millimeters.In dish, be formed centrally the center pit of 11 millimeters of diameters.Tray salver is 68 millimeters long, 72 mm wides and 5 millimeters thick.
According to the shape of the dish of the standard of MD of future generation 1 system and tray salver thereof with identical according to the shape of the dish of the standard of MD of future generation 2 systems and tray salver thereof.In these two kinds of dishes according to the standard of MD 1 system of future generation and MD of future generation 2 systems, be similar to the dish of current MD system, Lead-In Area starts from 29 millimeters places, range hadn wheel center.
Utilize the magnetic super resolution technology, will increase the recording capacity of line (line) density direction of the dish of MD of future generation 2 systems.The magnetic super resolution technology uses when in predetermined temperature heating incised layer (cutlayer), because incised layer becomes magnetic neutral state, and transfer to the magnetic wall (magnetic wall) that reproduces layer and be moved, so tick marks appears as the phenomenon of large spot.
In other words, have at least one magnetosphere as the recording layer of recorded information according to the dish of the standard of MD of future generation 2 systems, incised layer and from another magnetosphere of its information reproduction, these layers are formed on the transparent base.Incised layer is it to be regulated the layer of exchange power.When in predetermined temperature heating incised layer, incised layer becomes magnetic neutral state.The magnetic wall that has been transferred to recording layer 101 is transferred to the magnetosphere that is used for reproduced information.Thereby tick marks appears as large spot.When record data, utilize technology by the magnetic field modulation laser pulse, can produce tiny mark.
Have with conventional MD dish according to the dish of the standard of MD of future generation 2 systems and to compare, the groove that forms so that improve inclined to one side road (de-track) surplus, suppresses from the crosstalking of boss darker and steeplyer, crosstalking and focus on leakage from swinging signal.The degree of depth of the groove that forms on the dish according to the standard of MD of future generation 2 systems is 160 nanometers～180 nanometers.Groove on this dish has the gradient of 60 degree～70 degree.The width of the groove of this dish is 600 nanometers～700 nanometers.
As the optics standard, the MD 1 regulation Wavelength of Laser λ of system of future generation is 780 nanometers, and the numerical aperture of the object lens of optical head is 0.45.Similarly, as the optics standard, it is 780 nanometers that λ goes into the ripple of regulation laser in MD of future generation 2 systems, and the numerical aperture of optical head is 0.45.
As standard, MD 1 system of future generation and MD of future generation 2 system's regulation groove register systems are used as register system.In other words, these systems use the groove that forms on panel surface as the track with respect to its record and reproduction data.
Current MD system regulation is used as the error correcting code coded system based on the ACIRC (senior cross-interleaved Reed-Solomon (Reed-Solomon) code) of convolutional code.On the contrary, MD 1 system of future generation and MD of future generation 2 systems regulation in conjunction with piece complete (block completion) the type code of RS-LDC (the long distance code of Reed Solomon-) and BIS (the designator subcode that happens suddenly, Burst Indicator Subcode) as the error correcting code coded system.By the complete type error correcting code of piece, do not need to use the chainning sector.In the error correction system of combination LDC and BIS,, can utilize BIS to detect error unit so if unexpected error takes place.Utilize the LDC sign indicating number corresponding, can realize wiping correction with error unit.
As addressing system, use the wobble system.In the wobble system, form the simple helix groove, and form swing (wobble) as address information in the both sides of groove.This addressing system is called as ADIF (address in the pre-fluting, Address in Pregroove).Current MD system, MD of future generation 1 system and MD of future generation 2 systems exist aspect their line density different.Though current MD system uses the convolutional code that is called ACRC as error correcting code, but MD of future generation 1 system and MD of future generation 2 systems use the complete type code of piece in conjunction with LDC and BIS.Thereby, current MD system and MD of future generation 1 system and MD of future generation
2 systems exist aspect the relative position of their redundance and ADIP and data different.Thereby the specification handles of MD of future generation 1 system is different from the ADIP signal of the standard of current MD system.Next generation MD 2 systems are according to its regulation and stipulation ADIP signal.
Though current MD system uses EFM (8～14 modulation) system as modulating system, the regulation and stipulation of MD 1 system but of future generation and MD of future generation 2 systems is called the RLL (1 of 1-7pp modulating system, 7) (RLL: run-length-limited, PP: parity checking keeps/forbids rmtr (the minimum transition distance of swimming of repetition) to PP.Viterbi (Viterbi) decode system that next generation MD 1 system regulation has partial response PR (1,2,1) is used for data detection system, and MD of future generation 2 systems stipulate that the Viterbi decode system with partial response PR (1 ,-1) is used for data detection system.
Current MD system, the regulation and stipulation CLV (constant linear velocity) or the ZCAV (region constant angular speed) of MD 1 system of future generation and MD of future generation 2 systems are used for disc driving system.The regulation and stipulation standard lines speed of next generation MD 1 system is 2.4 meter per seconds.The regulation and stipulation standard lines speed of next generation MD 2 systems is 1.98 meter per seconds.On the other hand, the standard lines speed of 60 fens clock dials of regulation and stipulation of current MD system and the standard lines speed of 74 fens clock dials are respectively 1.2 meter per seconds and 1.4 meter per seconds.
Use the data recording total volume of every 80 fens clock dial of regulation and stipulation of MD of future generation 1 system of the dish of current MD system to be about 300 megabyte.Because the regulation and stipulation 1-7pp modulating system of MD of future generation 1 system, rather than the EFM system is used for modulating system, and the window surplus of the dish of MD therefore of new generation 1 system is 0.666, rather than the dish of current MD system 0.5.Thereby the dish of MD of new generation 1 system reaches the high 1.33 times high density of dish than current MD system.In addition, because MD of future generation 1 system regulation is the combination of BIS and LDC, rather than the ACIRC system is used for error correction system, and owing to the data efficiency of MD of future generation 1 system improves, so system can obtain the recording density into 1.48 times of current MD systems.Entirely, MD of future generation 1 system can obtain the data capacity into 2 times of current MD systems.
The density that is higher than current MD system and MD of future generation 1 system according to the density of the dish of the standard of MD of future generation 2 systems that use the magnetic super resolution technology.Record total volume according to the dish of the standard of MD of future generation 2 systems is about 1 GB.
2. coil
Fig. 4 has represented the structure of the dish of MD of future generation 1 system.The dish of of future generation MD 1 system uses the dish of current MD system.In other words, the dish of MD of future generation 1 system is by transparent polycarbonate substrate, dielectric film, and thin magnetic film, another dielectric film and reflective film are formed.These films are formed on the transparent polycarbonate substrate successively.On reflective film, form protective film.
As shown in Figure 4, on the dish of MD of future generation 1 system, form P-TOC (TOC (contents table) of pre-managing (Pre-mastered)) district in the Lead-In Area on the inside circumference of the recording areas of dish.The inside circumference representative of recording areas is from disk center, in the radial direction the most inboard.This zone becomes the pre-managing zone as physical arrangement.In other words, by impression pit (embossed pit), control information etc. are recorded into for example P-TOC information.
But the excircle that is used for the Lead-In Area in P-TOC district is a recording areas.But in recording areas, the form of the guide recess of using with track record forms groove.But on the inner periphery of recording areas, form U-TOC (user TOC).In this example, excircle is represented from disk center, excircle in the radial direction.
U-TOC has the identical structure of U-TOC with the management information of the dish of current MD system.The U-TOC of current MD system is the order according to track, the management information that rewrites such as writes down and wipe.By U-TOC, manage the reference position of each track, final position, pattern, and each part that constitutes each track.In this example, track general proxy audio track and/or data-track.
On the excircle of U-TOC, form (alert) track of reporting to the police.In this track, the record alarm sound.When the dish of MD of future generation 1 system was loaded in the MD player of current MD system, this MD player was exported described alarm sound.On behalf of this dish, alarm sound can use in MD of future generation 1 system, but can not reproduce in current MD system.The remainder of recording areas extends to leading-out zone along radial direction.Fig. 5 has represented the remainder of recording areas in detail.
But the structure shown in Fig. 5 presentation graphs 4 according to the recording areas of the dish of the standard of MD of future generation 1 system.As shown in Figure 5, but in the starting point of inner periphery one side of recording areas, form U-TOC and warning track.In the zone that is used for U-TOC and warning track, record is according to the data of EFM system modulation, makes these data to be reproduced by the player of current MD system.At the excircle that is used for according to the zone of the data of EFM system modulation, be formed for the zone of the data of the 1-7pp modulating system modulation used according to MD of future generation 1 system.Be used for according to the zone of the data of EFM system modulation and be used for interregional according to the data of 1-7pp modulating system modulation every the preset distance that is called " boundary belt ".By this boundary belt, when the dish according to the standard of MD of future generation 1 system is loaded in the player of current MD system, can prevent the player maloperation.
Starting point being used for according to the zone of the data of 1-7pp modulating system modulation forms DDT (dish description list) and reservation track.Handle for the replacement in the zone that has physical imperfection and to form the DDT district.In the DDT district, the identification code that indicator is exclusive.Coil exclusive identification code and be called as UID (unique ID).In MD 1 of future generation, produce UID according to the random number that produces according to predetermined way.When dish is initialised, record UID, as described later.By UID, the safety of recorded content that can the management dish.Keeping on the track, preserve the information that is used to protect content.
Be used for having FAT (file allocation table) district according to the zone of the data of 1-7pp modulating system modulation.The FAT district is to its zone according to the FAT systems management data.The FAT system is according to the FAT systems management data that uses in general purpose personal computer.The FAT system is by using the file of describing in the root directory, the FAT chain of the FAT table of the catalogue of the entrance of representation file and FAT bunch link information, management document.Term " FAT " is used in the various different file management methods of PC operating system usually.
On the dish according to the standard of MD of future generation 1 system, in the U-TOC district, the information of the starting position of record warning track is used for the information according to the starting position in the zone of the data of 1-7pp modulating system modulation.
When the dish of MD of future generation 1 system is loaded in the player of current MD system, read the U-TOC district from dish.By the information of U-TOC, obtain the position of warning track.Afterwards, visit warning track, and from its reproduction data.The alarm sound that representative data can not be reproduced by the player of current MD system has been recorded in the warning track.According to alarm sound, the user can know that this dish can not be used for the player of current MD system.
Alarm sound can be oral account alarm, for example " this player can not use this dish ".Certainly, alarm sound also can be simple buzzer, tone or another alerting signal.
When the dish of MD of future generation 1 system is loaded in the player of MD of future generation 1 system, read the U-TOC district.By the information in U-TOC district, detection is used for the reference position according to the zone of the data of 1-7pp modulating system modulation.From this zone, read DDT, keep track and FAT district.In the zone that is used for according to the data of 1-7pp modulating system modulation, according to the FAT system, rather than the U-TOC management data.
Fig. 6 A and 6B have represented the dish of MD 2 of future generation.This coils by transparent polycarbonate substrate, dielectric film, and thin magnetic film, another dielectric film and reflective film are formed.These films are formed on the transparent polycarbonate substrate successively.On reflective film, form protective film.
As shown in Fig. 6 A, the control information of ADIP signal is recorded in from the center of dish, radially in the Lead-In Area that forms on the inner periphery of dish.On the dish of MD 2 of future generation, in Lead-In Area, do not form the P-TOC of impression pit.On the contrary, use the control information of ADIP signal.But recording areas starts from the excircle of Lead-In Area.But but recording areas is wherein to form the record of groove/can reproduce the district with the form of the guide recess of track record.But in recording areas, the data that record has been modulated according to the 1-7pp modulating system.
As shown in Fig. 6 B, by magnetosphere 101, incised layer 102 and another magnetosphere 103 are formed according to the dish of the standard of MD 2 of future generation, and magnetosphere 101 is made by the thin magnetic film as information recording layer, and another magnetosphere 103 is used for reproduced information.Incised layer 102 is it to be adjusted the layer of exchange power.When in predetermined temperature heating incised layer, incised layer 102 becomes magnetic neutral state.The magnetic wall of transferring to recording layer 101 is transferred to the magnetosphere that is used for reproduced information.Thereby, in the hot spot of the magnetosphere 103 that is used for reproduced data, the mark of the ready-made amplification of microcosmic label table in the recording layer 101.
On the dish of MD 2 of future generation, but aforementioned UID is recorded in the zone on the inner periphery of recording areas.But the zone that is used for UID is to be used for client's record and reproducing the zone that can not write down of reproducer.When the production dish, on the dish of MD 2 of future generation, according to BCA (Burst Cutting Area, burning district) the technical notes UID that technology is identical that is used for DVD (digital universal optic disk) etc.When production dish, because UID produces and be recorded on the dish, so UID can be managed.Thereby and when the initialization dish, the dish of MD of future generation 1 that produces its UID according to random number is compared, and the security of the dish of MD 2 of future generation can be further improved.The details of the form of UID etc. will be explained below.
Become complicated for fear of description, the recording areas in advance of UID that is used for the dish of MD 2 of future generation is called as BCA.
The information of Lead-In Area can be the panel of the dish of MD 1 of future generation and MD of future generation 2 separately.In other words, when detecting the P-TOC of impression pit in Lead-In Area, testing result is represented the dish of current MD system or the dish of MD of future generation 1.When the control information that detects the ADIP signal from Lead-In Area, rather than the impression pit P-TOC the time, testing result is represented the dish of MD 2 of future generation.On the other hand, according to the UID that is recorded among the BCA, can separate the panel of the dish of MD 2 of future generation with MD 1 of future generation.Can distinguish the dish of MD 1 of future generation and the dish of MD of future generation 2 by other method that is different from said method.
But Fig. 7 has represented the form according to the recording areas of the dish of the standard of MD 2 of future generation.As shown in Figure 7, but be recorded in the recording areas according to the data of 1-7pp modulating system modulation.Inner periphery being used for according to the zone of the data of 1-7pp modulating system modulation forms the DDT data and keeps track.For the data by the replacement district in defective zone on its managing physical form the DDT district.
In fact, in the DDT district, but record management comprises the admin table in the replacement district of the recording areas of replacing the physics defect area.In admin table, record is defined as the Logic Cluster of defect cluster.In addition, in admin table, record is assigned as one or more Logic Cluster of replacement logic bunch.Aforementioned UID is recorded in the DDT district.The information of record protection content in the protection track.
In addition, be used for having a FAT district according to the zone of the data of 1-7pp modulating system modulation.The FAT district is the zone according to the FAT systems management data.The FAT system is according to the FAT systems management data that uses in the general purpose personal computer.
The dish of MD 2 of future generation does not have the U-TOC district.When in the player of MD 2 of future generation that the dish of MD 2 of future generation is packed into, read in DDT that the precalculated position forms, keep track and FAT district, and according to the FAT systems management data.
The dish of MD 1 of future generation and the dish of MD of future generation 2 do not need to spend the initialization operation of many times.In other words,, but produce the form of minimal amount according to the dish of the standard of MD 1 of future generation with according to the dish of the standard of MD 2 of future generation needs initialization operation not, for example DDT, keep track and FAT table.Thereby, when the dish according to the standard of MD 1 of future generation or MD of future generation 2 systems is unworn dish, but data can directly be recorded in the recording areas of this dish, and can reproduce from it.
As mentioned above, when producing the dish of MD 2 of future generation, UID is produced and is recorded on this dish.Thereby, compare with the dish of current MD system, can more safely manage the dish of MD 2 of future generation.But the number of plies of the dish of MD 2 of future generation is greater than the number of plies of the dish of current MD system.The cost of the dish of MD 2 of future generation is higher than the cost of the dish of current MD system.Thereby, proposed to be called the dish of MD 1.5 of future generation.But the dish of MD 1.5 of future generation has recording areas, Lead-In Area and the leading-out zone identical with the dish of MD 1 of future generation.In addition, be similar to the dish of MD 2 of future generation, the dish of MD 1.5 of future generation has UID, and described UID is the BCA that is used for DVD.
Below, unless need in addition, with the explanation of omission MD of future generation 1.5 systems.In other words, with regard to UID, MD 1.5 of future generation is based on MD 2 of future generation.On the other hand, with regard to the record and the reproduction of voice data, MD 1.5 of future generation is based on MD 1 of future generation.
Below, will describe UID in detail.As mentioned above, when generation dish, utilize the technology that is called the BCA that is used for DVD, UID has been recorded on the dish of MD 2 of future generation.Fig. 8 has represented an example of the outline form of UID.Whole UID is called as UID record block.
In the UID piece, preceding two bytes are the fields that are used for the UID code.Two bytes of UID code, promptly high 4 of 16 are used for determining dish.When being [0000] for these four, it represents the dish of MD 2 of future generation.When being [0001] for these four, it represents the dish of MD 1.5 of future generation.Other value is specialized in the usefulness of following expansion.Low 12 of the UID code is the application ID that can distinguish 4096 kinds of services.
After the UID code is the version number field of a byte.After the version number field is the data length field of a byte.The data length of the UID record data field after the data length field representative data length field.The UID record data field be assigned with the 4m that is no more than 188 bytes (m=0 here, 1,2 ...) individual byte.The UID record data field can be preserved the unique ID that is produced by preordering method.Unique ID can identification dish itself.
On the dish of MD 1 of future generation, the ID that produces according to random number can be recorded in the UID record data field.
Can produce a plurality of UID record blocks that its data length is no more than 188 bytes.
3. signal format
Below, the signal format of MD 1 system of future generation and MD of future generation 2 systems is described.Current MD system uses ACIRC (a kind of convolutional code) as error correction system.In current MD system, the sector of being made up of 2352 bytes corresponding with the data volume of filial generation code block is used as a recoding/reproduction access unit.When using convolutional code, the error correcting code sequence extends in a plurality of sectors.Thereby when overwriting data, must between adjacent sectors, form a chainning sector.As addressing system, ADIP is used as formation simple helix groove, and forms the wobble system as the swing of address information in the both sides of groove.In current MD system, the ADIP signal is arranged to make all can visit the sector of being made up of 2352 bytes best.
On the other hand, the standard of MD of future generation 1 system and the regulation and stipulation of MD of future generation 2 systems use the complete type code of piece in conjunction with LDC and BIS, and the recoding/reproduction access unit is the 64k byte.The complete type code of piece does not need the chainning sector.Thereby, use the regulation and stipulation of the MD of future generation 1 of current MD system to change the ADIP signal according to new register system.The regulation and stipulation of MD 2 of future generation changes the ADIP signal according to it.
With reference to figure 9,10 and 11, the error correction system of using is described in MD 1 system of future generation and MD of future generation 2 systems.In MD 1 system of future generation and MD of future generation 2 systems, the error correcting code coded system of the use LDC shown in the constitutional diagram 9 and the BIS system shown in Figure 10 and 11.
Fig. 9 represents to utilize the structure of the piece of encoding according to the error correcting code of LDC.As shown in Figure 9, this piece is made of 304 bytes (on the horizontal direction) * 216 byte (on the vertical direction) two dimension.Piece has 32 sectors, and each sector is made up of the 2k byte.The error correcting code EDC that in each sector, adds a nybble.The parity checking that adds the Reed-Solomn code of 32 bytes along the vertical direction of piece.
Figure 10 and 11 has represented the structure of BIS.As shown in Figure 10, the data of per 38 bytes are placed the BIS of one 1 byte.The data of (38 * 4=152 byte), the frame synchronization (sync) of the BIS data of 3 bytes and 2.5 bytes, promptly 157.5 bytes constitute a frame altogether.
As shown in Figure 11, a BIS piece is made up of 496 frames, and every frame has said structure.BIS data (3 * 496=1488 byte) comprise user's control data of 576 bytes, the address location numeral of 144 bytes and the error correcting code of 768 bytes.
Because the BIS data are made up of the data of 1488 bytes and the error correcting code of 768 bytes, therefore can effectively correct a mistake.When per 38 bytes embed a BIS code,, can detect its errors present so if burst error (burst error) takes place.According to errors present, can utilize the LDC code to wipe correction.
As shown in Figure 12, the ADIP signal is recorded into the swing that forms in simple helix groove both sides.In other words, the ADIP signal has the address date of having been modulated by FM.ADIP is recorded into the groove swing of disk material.
Figure 13 represents the sector format of the ADIP signal of MD 1 of future generation.
As shown in Figure 13, corresponding to the ADIP sector of a sector of ADIP signal sync, the high position of 8 ADIP bunch numbering (high order bit) part, the low portion of 8 ADIP bunch numbering by 4,8 ADIP sector number and 14 error correcting code CRC form.
Sync is the signal with preassigned pattern, by described preassigned pattern, detects the starting point of ADIP sector.Because current MD system uses convolutional code, system needs the chainning sector.The chainning sector numbering has negative value " FCh ", " FDh ", " FEh " and " FFh " (h represents hexadecimal digit) here.On the other hand, because MD of future generation 1 uses the dish of current MD system, therefore the form of the ADIP sector of MD 1 of future generation and current MD system is identical.
As shown in Figure 14, ADIP bunch of 36 sectors by ADIP sector number " FCh "～" FFh " and " 0Fh "～" 1Fh " of MD of future generation 1 system regulation are formed.As shown in Figure 13, the data of two record blocks (being the 64K byte) are arranged in one ADIP bunch.
Figure 15 represents the structure of the ADIP sector of MD 2 of future generation.The regulation and stipulation ADIP sector of MD 2 of future generation is made up of 16 sectors.Thereby, available 4 bit representation ADIP sector numbers.Because the complete error correcting code of MD system's use piece of future generation, so system does not need the chainning sector.
As shown in Figure 15, the ADIP sector of MD 2 of future generation is by one 4 sync, the high-order portion of 4 ADIP bunch numbering, and the low portion of 4 ADIP bunch numbering, 4 ADIP sector number and 18 error correction parity checking are formed.
Sync is the signal that is used to detect the starting point of ADIP sector.As ADIP bunch of numbering, described high 4, middle 8, low 4,16 altogether.Constitute by 16 ADIP sectors owing to ADIP bunch, so the ADIP sector number is formed by 4.Current MD system regulation error correcting code is formed by 14, and the error correction parity checking is formed by 18.As shown in Figure 16, the data of record block of regulation and stipulation (64K byte) of MD of future generation 2 systems are assigned to one ADIP bunch.
Figure 17 represents according to MD 1 of future generation, the relation of ADIP bunch and BIS frame.
As shown in Figure 14, one ADIP bunch 36 ADIP sectors by " FC "～" FF " and " 00 "～" 1F " of the regulation and stipulation of MD 1 of future generation are formed.Two record blocks (being the 64K byte) are assigned to one ADIP bunch.A record block is corresponding to a recoding/reproduction unit.
As shown in Figure 17, ADIP sector is divided into the first half parts (18 sectors) and the second half parts (18 sectors).
Data as a record block of a recoding/reproduction unit are assigned to a BIS piece of being made up of 496 frames.Before, increase the preamble (preamble) (frame " 0 "～frame " 9 ") of one 10 frame corresponding to 496 Frames (frame " 10 "～frame " 505 ") of this BIS piece.After these frames, increase the postamble (postamble) of one 6 frame (frame 506～frame 511).The data of 512 frames are dispensed among ADIP bunch ADIP sector " FCh "～" 0Dh " of the first half parts altogether.The frame of the preamble before the Frame and the frame of postamble are used to protect the data that link with adjacent record block.For example, preamble is used to operate the PLL that is used for data, the amplitude of control signal, control signal skew.
Specify by ADIP bunch and its first half or the second half parts with respect to its record and the physical address that reproduces the data of record block.When specifying a certain physical address, read the ADIP sector from the ADIP signal for the data that are recorded or reproduce.Read ADIP bunch of numbering and ADIP sector number from reproducing from the signal of ADIP sector.Thereby, ADIP bunch the first half-sum ADIP bunch the second half distinguish.
Figure 18 represents the standard according to MD 2 of future generation, the relation of ADIP bunch and BIS frame.As shown in Figure 16, one ADIP bunch of the regulation and stipulation of MD 2 of future generation is made up of 16 ADIP sectors, and the data of a record block (64K byte) are dispensed in one ADIP bunch.
As shown in Figure 18, the data as the record block (64K byte) of a recoding/reproduction unit are assigned to a BIS piece of being made up of 496 frames.Before, increase the preamble (frame " 0 "～frame " 9 ") of one 10 frame corresponding to 496 frames (frame " 10 "～frame " 505 ") of BIS piece.After Frame, increase the postamble of one 6 frame (frame 506～frame 511).The data of 512 frames are assigned to ADIP bunch of ADIP sector " 0h "～" Fh " altogether.
Be used to protect the data that link with adjacent record block as the frame of the preamble of Frame with as the frame of the postamble of data.For example, preamble is used to operate the PLL that is used for data, the amplitude of control signal, control signal skew.
With respect to its record and the physical address of data that reproduces record block by ADIP bunch of appointment.When specifying a certain physical address, read the ADIP sector from the ADIP signal for the data that are recorded or reproduce.Read ADIP bunch of numbering from reproducing from the signal of ADIP sector
When data are recorded on such dish, perhaps when such dish reproduces data, control various control informations and control laser power (power).Dish according to the standard of MD 1 of future generation has the P-TOC that is arranged in Lead-In Area, as shown in Figure 4.Obtain various control informations from P-TOC.
Dish according to MD 2 standards of future generation does not have the P-TOC that is formed by the impression pit.Control information is recorded into the ADIP signal in the Lead-In Area.On the other hand, owing to use the magnetic super resolution technology, importantly control the power of laser according to the dish of the standard of MD 2 of future generation.The calibration areas that in Lead-In Area and leading-out zone, has the power that is used to adjust laser according to the dish of the standard of MD 2 of future generation.
Figure 19 has represented the structure according to the Lead-In Area and the leading-out zone of the dish of the standard of MD 2 of future generation.As shown in Figure 19, the Lead-In Area of dish and leading-out zone have the power calibration area as the laser beam power control zone.
In addition, Lead-In Area has the control zone that is used for the ADIP control information.The control information of regional record ADIP of the low portion of ADIP bunch of numbering is appointed as in utilization.
In other words, but ADIP bunch of numbering starts from the starting position of recording areas.ADIP in a Lead-In Area bunch numbering is a negative value.As shown in Figure 19, the ADIP sector of MD 2 of future generation is by 4 sync, the high-order portion of 8 ADIP bunch numbering, and 8 control data (low portion of ADIP bunch of numbering), 4 ADIP sector number and 18 error correction parity checking are formed.As shown in Figure 19, description control information in 8 of the low portion of being appointed as ADIP bunch of numbering, disc-type for example, magnetic phase (magnetic pahse), intensity and read power.
Because a high position of ADIP bunch is continued to stay, therefore can enough detect current location exactly.When the least-significant byte of ADIP bunch of numbering is left,, can detect ADIP bunch exactly by ADIP sector " 0 " and " 8 ".
The control information that utilizes the ADIP signal record is disclosed in the instructions of the Japanese patent application No.2001-123535 that the applicant of present patent application submits to.
4. the record and the structure of reproducer
Below with reference to Figure 20 and 21, explanation can be data recording to the dish of the dish of MD 1 of future generation and MD of future generation 2, and reproduces an example of the disk drive device of data from described dish.
Figure 20 represents the disk drive device 1 that can be connected with for example personal computer 100.
Media drive part 2 reads/reproduces the data on the dish 90 of packing into.Dish 90 is dishes of MD 1 of future generation, one of the dish of MD 2 of future generation and dish of current MD.The back will illustrate the inner structure of media drive part 2 with reference to Figure 21.
3 controls of storer transfer control are from the data of media drive part 2 reproductions and the data of feeding medium drive part 2.
The whole disk drive device 1 of system controller 9 controls.In addition, the communication of system controller 9 control and the personal computer 100 that is connected.
In other words, system controller 9 can pass through USB interface 8 and USB hub 7, with personal computer 100 communications that are connected.System controller 9 receives such as write request from personal computer 100, the order of read request and so on, and must information send status information and other to personal computer 100.
When dish 90 when being loaded in the media drive part 2, system controller 9 order media drive parts 2 read management information etc. from coiling 90, and make storer transfer control 3 be saved in supplementary storage 5 to management information etc.
When personal computer 100 sent read request about specific FAT sector, system controller 9 made media drive part 2 read the record block that comprises the FAT sector of being asked.The storer transfer control writes the data of the record block that has read in bunch memory buffer 4.
When personal computer 100 sent write request about specific FAT sector, system controller 9 made media drive part 2 read the record block that comprises this FAT sector.Storer transfer control 3 writes the record block of having read in bunch memory buffer 4.
The display 51 that is made of LCD (LCD) is placed in the disk drive device 1.But display 51 videotex data, simple icon etc.Display 51 is according to the display control signal of supplying with from system controller 9, and the status information of display panel drive unit 1 is given user's message etc.
When dish 90 is dishes of current MD system, and audio track is when being recorded on the dish 90, and data tones audio data (perhaps simulated audio signal) is transfused to Audio Processing part 10.The linear pcm digital voice data of input is perhaps imported with the form of simulated audio signal, and is encoded according to the ATRAC compressing and coding system by the linear PCM voice data of A/D converter conversion, and is stored in the memory buffer.Go out data (is unit with the data corresponding to ADIP bunch) at preset time from the buffering memory read, and send it to media drive part 2.The packed data that media drive part 2 transmits according to the EFM system modulation, and modulating data write as audio track coil 90.
When dish 90 is dishes of current MD system, and from coiling 90 when reproducing audio tracks, data are reproduced in 2 demodulation of media drive part, obtain the ATRAC packed data, and by the memory transfer controller, demodulating data are sent to Audio Processing part 10.10 pairs of demodulating data decodings of Audio Processing part obtain the linear PCM voice data, and the linear PCM voice data are exported to the digital audio-frequency data output.On the other hand, D/A converter converts digital audio and video signals to simulated audio signal, so that the output of circuit output/headphone.
According to FAT system management record data and reproduction data.Conversion between record block and the FAT sector has been described in the instructions of the Japanese patent application No.2001-289380 that the applicant of present patent application submits to.
Below, with reference to Figure 21, the structure of media drive part 2 is described, suppose that media drive part 2 has the function of record and reproduction data-track and audio track.
Figure 21 represents the structure of media drive part 2.Media drive part 2 has the dish of the current MD of placement system, the universal stage of the dish of the dish of MD 1 of future generation and MD of future generation 2.Media drive part 2 makes spindle drive motor 29 be placed on the rotation of the dish 90 on the universal stage according to the CLV system drive.When data are recorded on the dish 90 or from coiling 90 when reproducing data, optical head 19 sends laser to dish 90.
When data were recorded on the dish 90, the high-level laser of optical head 19 outputs was so that be heated to Curie temperature to track record.On the contrary, when from coiling 90 when reproducing data, the low-level laser of optical head 19 outputs is so that detect data by Kerr effect according to reflected light.Though details is not shown in the accompanying drawing, but optical head 19 has a laser diode as laser output device, the optical system of forming by deflection spectroscope and object lens and the detecting device of detection of reflected light.The object lens that optical head 19 has are by for example double-shaft mechanism clamping, and described double-shaft mechanism can be along the radial direction of dish, and object lens move near dish and the direction of leaving dish.
In addition, pass dish 90, arrange magnetic head 18 on the opposite of optical head 19.Magnetic head 18 applies the magnetic field of modulating with record data to dish 90.In addition, arrange thread (thread) motor and thread (thread) the mechanism (not shown) that moves whole optical head 19 and magnetic head 18 along the radial direction of dish.
When dish 90 was the dish of MD 2 of future generation, optical head 19 and magnetic head 18 were carried out the pulsed drive magnetic field modulation, so that form tiny mark.On the contrary, when dish 90 was the dish of current MD system or MD of future generation 1, optical head 19 and magnetic head 18 utilized the light of DC emission, carried out magnetic field modulation.
Except recoding/reproduction head system that uses optical head 19 and magnetic head 18 and the disc spins drive system of using spindle drive motor 29, media drive part 2 also has the recording processing system, reproduction processes system, servo-drive system etc.
The dish 90 of packing into can be the dish of current MD system, the dish of MD 1 of future generation, the dish of MD 2 perhaps of future generation.These dish on-line velocity aspects exist different.Can be there be the corresponding rotating speed rotation of different multiple dishes in spindle drive motor 29 with the on-line velocity aspect.With dish,, perhaps be placed on dish 90 on the universal stage according to the linear velocity rotation of the dish of the standard of MD 2 of future generation according to the dish of the standard of MD 1 of future generation according to the standard of current MD system.
The recording processing system has the part of the dish that is used for current MD system and is used for the dish of MD 1 of future generation or the part of the dish of MD of future generation 2.A part that is used for the dish of current MD system is encoded to audio track according to the error correcting code of utilizing ACIRC, according to the EFM system coded data is modulated, and modulating data is recorded on the dish.The part of dish that is used for the dish of MD of future generation 1 system or MD of future generation 2, is the modulating system modulation encoded data according to 1-7, and modulating data is recorded on the dish the audio track coding according to the coupling system of BIS and LDC.
The reproduction processes system has the part of the dish that is used for current MD system and is used for the dish of MD 1 of future generation or the part of the dish of MD of future generation 2.The part of dish that is used for current MD system is according to the EFM demodulating system, the data that demodulation is reproduced from dish, and correct a mistake according to the CIRC system.The part of dish that is used for the dish of MD 1 of future generation or MD of future generation 2 is according to partial response and Viterbi decode system, the data that demodulation is reproduced from dish, and according to BIS and LDC, correct a mistake.
In addition, reproduction processes partly has according to current MD system and MD of future generation 1, decipher the ADIP signal the address part and according to MD 2 of future generation, decipher the part of the address of ADIP signal.
The reflected light of the laser emission of the optical head 19 of impact disc 90 is detected as information (being detected by photoelectric detector is the photocurrent of laser-bounce light), and is provided for RF amplifier 21.
21 pairs of detection information of RF amplifier are carried out the current-voltage conversion, amplify matrix computations etc., acquisition is as the reproduction RF signal of information reproduction, tracking error signal TE, focus error signal FE, and groove information (being recorded as the ADIP information of the swing of the track on the dish 90).
When the dish from current MD system reproduced data, the reproduction RF signal that the RF amplifier obtains was handled by EFM demodulation part 24 and ACIRC demoder 25.In other words, EFM demodulation part 24 makes reproduction RF signal digitalized, obtains the EFM burst, and demodulation EFM burst.25 pairs of restituted signals of ACIRC demoder carry out correction process and release of an interleave is handled.In other words, at this moment, obtained the ATRAC packed data.
When the dish from current MD system reproduced data, selector switch 26 was placed on B contact one side.Thereby,, export demodulated ATRAC packed data as the reproduction data of dish 90.
On the other hand, when the dish from the dish of MD 1 of future generation or MD of future generation 2 reproduced data, the reproduction RF signal that the RF amplifier obtains was handled by RLL (1-7) PP demodulation part 22 and RS-LDC demoder 23.In other words, RLL (1-7) PP demodulation part 22 utilizes PR (1,2,1) ML or PR (1 ,-1) ML and Viterbi code, detects the reproduction data as RLL (1-7) code sequence, and RLL (1-7) code sequence is carried out RLL (1-7) demodulation process.In addition, 23 pairs of demodulating datas of RS-LDC demoder are carried out correction process and release of an interleave (de-interleave) is handled.
On the other hand, when the dish from the dish of MD 1 of future generation or MD of future generation 2 reproduced data, selector switch 26 was placed on A contact one side.Thereby, as the reproduction data of dish 90, demodulated output data.
Be provided for servo circuit 27 from the tracking error signal TE and the focus error signal FE of 21 outputs of RF amplifier.Groove information is provided for ADIP demodulation part 30.
As shown in Figure 13, the ADIP sector number of the dish of the dish of current MD system and MD of future generation 1 is 8.On the contrary, as shown in Figure 15, the ADIP sector number is 4.The ADIP address decoder of 32 pairs of current MD systems of address decoder or MD of future generation 1.The address decoder of 33 couples of MD 2 of future generation of address decoder.
The ADIP address of address decoder 32 or address decoder 33 decodings is provided for driving governor 31.Driving governor 31 is carried out expectant control and is handled according to the ADIP address.Groove information is provided for the servo circuit 27 of control main axle servo.
In addition, servo circuit 27 is according to the spindle error signals of supplying with from RF amplifier 21, tracking error signal and focus error signal, perhaps from the track skip command of driving governor 31 receptions, access command etc. produce various servo-control signal (tracking control signals, focus control signal, thread (thread) control signal, spindle control signal etc.), and a signal that produces is exported to motor driver 28.In other words, required processing is carried out in servo circuit 27 aforementioned servo error signal of contrast and orders, and for example phase compensation is handled, gain process and desired value set handling, and produce various servo-control signals.
When voice data was recorded on the dish of current MD system, selector switch 16 was connected with the B contact.Thereby, ACIRC scrambler 14 and 15 work of EFM modulating part.In this case, the packed data that receives from Audio Processing part 10 is provided for ACIRC scrambler 14.ACIRC scrambler 14 staggered packed datas, and in packed data, add error correcting code.Afterwards, EFM modulating part 15 is according to EFM modulating system, modulation encoded data.
The EFM modulating data is provided for head driver 17 by selector switch 16.Magnetic head 18 applies magnetic field according to the EFM modulating data to dish.Thereby audio track is recorded on the dish 90.
When data were recorded on the dish of the dish of MD 1 of future generation or MD of future generation 2, selector switch 16 was connected with the A contact.Thereby, 13 work of RS-LDC scrambler 12 and RLL (1-7) PP modulating part.In this case, high density data offers RS-LDC scrambler 12 from storer transfer control 3.RS-LDC scrambler 12 staggered high density datas, and in the error correcting code adding intercrossed data according to the RS-LDC system.Afterwards, RLL (1-7) PP modulating part 13 is according to RLL (1-7) modulating system, modulation encoded data.
Record data as RLL (1-7) code sequence are supplied to head driver 17 by selector switch 16.Magnetic head 18 applies magnetic field according to modulating data to coiling 90.Thereby data-track is recorded on the dish 90.
In reproduced or when record when data, laser driver/APC 20 makes laser diode send laser.In addition, laser driver/APC carries out so-called APC (automatic laser power control) operation.
In other words, optical head 19 has the detecting device (not shown) of monitoring laser power.Be fed to laser driver/APC 20 from the supervisory signal of detecting device output.Laser driver/APC 20 compares current laser power that obtains as supervisory signal and the laser power that sets in advance, and influence makes that for the difference of laser-driven signal with regard to the value of setting in advance, the laser power of exporting from laser diode is stable.
As laser power, the value of reproduction laser power or recording laser power is set in the internal register of laser driver/APC 20 by driving governor 31.
According to the order that receives from system controller 9, controlling and driving controller 31 is so that realize aforementioned accessing operation, various servo operations, data write operation and data read operation.
Shown in Figure 21 by dotted line around, and be constituted as the monolithic integrated circuit part with the square frame that part A and B represent.
5. the initialization procedure of the dish of the dish of MD 1 of future generation and MD of future generation 2
On the dish of the dish of MD 1 of future generation and MD of future generation 2, as mentioned above, except FAT, also record UID (unique ID).By the UID of record, management security.In general, on the dish of the dish of MD 1 of future generation and MD of future generation 2, when the described dish of shipment, UID has been recorded to the precalculated position of described dish.On the dish of MD 1 of future generation, UID for example is recorded in the Lead-In Area.The position of record UID is not limited to Lead-In Area.When after the initialization dish, when UID was recorded the fixed position, UID can be recorded described fixed position in advance.On the dish of the dish of MD 2 of future generation and MD of future generation 1.5, UID is recorded among the aforementioned BCA.
On the contrary, about the dish of MD 1 of future generation, can use the dish of current MD system.Thereby many dishes of current MD system are widely distributed, and they can be used as the dish of MD 1 of future generation.
Thereby the dish for the current MD system of the extensive distribution that does not have UID forms a zone according to this standard code.When dish is initialised, disk drive device 1 the random number signal record in this zone, and it as UID.In addition, this standard forbids that user capture is used for the zone of UID.UID is not limited to the random number signal.For example, UID can be by manufacturer code, machine code, and the composition of machine sequencing number and random number produces.In addition, UID can be by manufacturer code, and machine code, machine sequencing number and random number composition one of at least produces.
Figure 22 is the process flow diagram of an example of initialization procedure of the dish of expression MD 1 of future generation.At first step S100, the precalculated position of accesses disk.Determine whether UID has been recorded in this precalculated position.When definite result represents that UID has been recorded, read this UID.The UID that reads is kept in the supplementary storage 5 temporarily.
Be Lead-In Area for example in the position of step S100 visit, it is not the FAT district of the form of MD of future generation 1 system.When coiling 90 (such as initialized dishes) when having DDT, this zone of addressable described dish 90.The processing of step S100 can be omitted.
At step S101, according to EFM modulating system record U-TOC.Track after warning track shown in the distribution diagram 5 and the DDT, the information that promptly writes down the zone of the data of modulating according to the 1-7pp modulating system is written among the U-TOC.At next step S102, be recorded in step S101 according to the warning track of EFM modulating system modulation, in U-TOC in the assigned region.At step S103, according to modulation of 1-7pp modulating system and record DDT.
At step S104, UID is recorded in a certain zone except that FAT, for example records among the DDT.When reading UID from the precalculated position of dish, and when being saved in it in supplementary storage 5, write down this UID at step S100.When definite result of step S100 represents that UID is not recorded in the activation point of dish, when perhaps the processing of step S100 is omitted, produce UID according to the random number signal.The UID that record produces.This UID is produced by for example system controller 9.The UID that produces is supplied to media drive part 2 by storer transfer control 3, and is recorded on the dish 90.
Subsequently, at step S105, according to the 1-7pp modulating system, the data of modulation such as FAT.In other words, the zone that is used for UID is a zone except that FAT.As mentioned above, but the dish of MD of future generation 1 does not always need the recording areas of initialization according to FAT management.
Figure 23 is the process flow diagram of example of initialization procedure of the dish of the expression dish of MD 2 of future generation and MD of future generation 1.5.At first step S110, the BCA district on the accesses disk.Determine whether to write down UID.When definite result represented to write down UID, UID for example was read out and is kept at temporarily in the supplementary storage 5.Because in this form, the record position of UID is fixed, therefore can directly visit UID, and needn't be with reference to other management information of dish.This is applicable to the process with reference to Figure 22 explanation.
At next step S111, according to modulation of 1-7pp modulating system and record DDT.Afterwards,, UID is recorded in a certain district except that FAT, for example is recorded among the DDT at step S112.At this moment, use at step S110 and read and be kept at UID in the supplementary storage 5.UID is not write down in the precalculated position that is illustrated in dish as definite result of step S110, produces UID according to the random number signal so.The UID that record produces.This UID is produced by for example system controller 9.The UID that produces is supplied to media drive part 2 by storer transfer control 3, and is recorded on the dish 90.
At step S113, record FAT etc.In other words, the zone that is used for UID is different from the zone that is used for FAT.In addition, as mentioned above,, but be not initialised according to the recording areas of FAT management for the dish of MD 2 of future generation.
6. first management system of music data
As mentioned above, MD 1 system of future generation according to an embodiment of the invention and MD of future generation 2 systems are according to the FAT systems management data.In addition, according to required compressibility, the voice data of packed record.In addition, in order to protect copyright owner's right, voice data is encrypted.The compressibility of voice data can be ATRAC 3 for example, ATRAC5 etc.Certainly, also can use other compressibility, MP3 (MPEG1 audio layer-three) for example, AAC (MPEG2 advanced audio) etc.Except voice data, also can handle Still image data and motion image data.Certainly, owing to use the FAT system, therefore can write down and reproduce conventional data.In addition, the computing machine order that can read and carry out can be encoded and be recorded on the dish.Thereby MD 1 of future generation or MD of future generation 2 can obtain executable file.
Below, explanation according to the standard of MD 1 of future generation with according to the standard of MD 2 of future generation, is gone up audio data recording and from the management system of dish reproducing audio data to dish.
Because MD 1 system of future generation and MD of future generation 2 systems allow the long-time high-quality music data that reproduces, so the many first song on dish of they management.In addition, because MD of future generation
1 system and MD of future generation 2 systems are according to the many songs of FAT system management, so these systems have the compatibility with computing machine.Though the inventor of present patent application recognizes these systems and has user friendly that they exist music data by bootlegging, so can not protect the risk of copyright owner's right.Management system according to the present invention has been considered these main points.
Figure 24 represents first example of the management system of voice data.As shown in Figure 24, in first example of management system, on dish, produce track index file and audio data file.Track index file and audio data file are the files according to the FAT system management.
As shown in Figure 25, audio data file saves as a file to the how first song of music data.The FAT system is treated as an especially big file to audio data file.Audio data file is divided into a plurality of parts.Voice data is counted as one group of described a plurality of part.
The track index file is to describe the file that supervisory packet is contained in the various information of the music data in the audio data file.As shown in Figure 26, the track index file has the playing sequence table, program control (programmed) playing sequence table, group information table, orbit information table, partial information table and namelist.
The playing sequence table represents to give tacit consent to the reproduction order of regulation.As shown in Figure 27, the playing sequence table is preserved the information TINF1 that links that represents with about the track descriptor on the orbit information table of orbital number (song number) (Figure 30 A and Figure 30 B), TINF2 ....Orbital number is the numbering that for example begins from " 1 ".
Program control playing sequence table is the form of each user definition playing sequence.As shown in Figure 28, program control playing sequence table comprises the orbit information PINF1 that links that describes with the track descriptor of orbital number, PINF2 ....
As shown in Figure 29 A and 29B, the group information table comprises the information about group.Group is a collection of track (track that perhaps has orbital number) with continuous orbital number, perhaps a collection of track (track that perhaps has the programed track numbering) with continuous program controlled orbital number.As shown in Figure 29 A, the group information table comprises the group descriptor of group.As shown in Figure 29 B, group descriptor is described the track Base Serial Number, and track stops numbering, and group name claims and and mark.
As shown in Figure 30 A and 30B, the orbit information table comprises the information about every first song.As shown in Figure 30 A, the orbit information table is made up of the track descriptor of track (song).As shown in Figure 30 B, each track descriptor is described coded system, copyright management information, the decryption key information of content, the pointer information of the numbering of part of the inlet that begins as song, artist name, title, initial order of songs information, record duration information etc.As artist name and title, do not comprise their title, but comprise the pointer information of namelist.Coded system is represented codec systems, and becomes decoded information.
As shown in Figure 31 A and 31B, the partial information table comprises according to numbering of part, visits the pointer of the position of true song.As shown in Figure 31 A, the partial information table is made up of the part descriptors of various piece.A part is each part that whole rail (song) or each track are divided into.Figure 31 B represents each clauses and subclauses of the part descriptors of partial information table.As shown in Figure 31 B, the part start address of each part descriptors description audio data file, the termination address of audio data file and to the link of next part.
The pointer information of namelist is represented the pointer information of the position of audio file, the byte offsets of file, and the part descriptors numbering, bunch numbering of FAT can be used as the address of the pointer information of numbering of part as the physical address of the dish of recording medium etc.The byte offset of file is an offset method according to an embodiment of the invention.The part pointer information is that audio file is from its off-set value that begins.Value with predetermined unit (for example byte, position, perhaps n-position piece) expression part pointer information.
Namelist is represented the character as the entity of title.As shown in Figure 32 A, namelist is made up of a plurality of title grooves (slot).Each title groove is linked and is called from each pointer of On Behalf Of The Name.The pointer that calls title is the artist name and the title of orbit information table, and the group name of group information table claims etc.Can call each title groove from a plurality of pointers.As shown in Figure 32 B, each title groove is by the name data as character information, forms as the name type and the link of the attribute of character information.Can not be included in a long name in the title groove and claim to be divided into a plurality of parts, thereby they can be comprised in a plurality of title grooves.When title can not be comprised in the title groove, comprise link for the title groove of the remainder that comprises this title.
As shown in Figure 33, at first example that is used for according to the management system of the voice data of system of the present invention, when the orbital number on playing sequence table (Figure 27), pointing out to reproduce, read the track descriptor (Figure 30 A and 30B) of link from the orbit information table.According to the track descriptor, read coded system, copyright management information, the decryption key information of content, the pointer information of the start-up portion numbering of song, the pointer of artist name and title, initial order of songs information, record duration information etc.
According to the numbering of part information of reading from the orbit information table, link part information table (Figure 31 A and Figure 31 B).With from the corresponding part position of track (song) reference position of partial information table visit audio data file.When that part of data of the position of pointing out on the partial information table that is located at audio data file are accessed, begin the reproduction of voice data from this position.At this moment, according to the decode system of reading from the track descriptor of orbit information table, voice data is decoded.When voice data is encrypted, use the key information of reading from the track descriptor.
When being another part after this part, its link is described in part descriptors.According to this link, continuous reading section descriptor.The voice data of the various piece be positioned at the position that part descriptors points out is reproduced in the link of tracking section descriptor.Thereby, can reproduce the voice data of required track (song).
According to artist name pointer of reading from the orbit information table and title pointer, call title groove (Figure 32 A and Figure 32 B) from namelist.Read name data from the title groove.The title pointer information can be that for example the title groove is numbered, bunch numbering of FAT system, the perhaps physical address of recording medium.
As mentioned above, can be from the title groove of a plurality of pointer reference name tables.For example, can write down same artistical how first song.In this case, as shown in Figure 34, from the namelist of a plurality of orbit information table references as artist--name.In the example shown in Figure 34, track descriptor " 1 ", track descriptor " 2 " and track descriptor " 4 " they are the songs of same artist " DEF BAND ".As artist name, with reference to this identical title groove.On the other hand, track descriptor " 3 ", track descriptor " 5 " and track descriptor " 6 " they are the songs of same artist " GHQ GIRLS ".As artist name, with reference to this identical title groove.When can be, can reduce the capacity of namelist from title grooves of a plurality of pointer reference name tables.
In addition, can utilize link, show the information of same artist name for namelist.For example, in order to show the list of songs of artist name " DEF BAND ", review the track descriptor of the address of reference name groove " DEF BAND ".In this example, when the track descriptor of the address of reviewing reference name groove " DEFBAND ", obtain track descriptor " 1 ", the information of track descriptor " 2 " and track descriptor " 4 ".Thereby, can show the list of songs of artist name " DEF BAND ".Owing to can therefore not exist permission to review any link of orbit information table from namelist from a plurality of pointer reference name tables.
When the new voice data of record, on FAT table, divide to be used in requisite number purpose record block, for example four or more continuous blocks do not use the zone.When the zone of the requisite number purpose continuous recording piece that is used for voice data is assigned with, can nondestructively visit this zone.
When the zone that is used for voice data has been assigned with, on the orbit information table, distribute a new track descriptor.In addition, produce the content key of voice data being encrypted with it.Input audio data is encrypted.The voice data of encrypting is recorded to not using in the zone of distribution.The end of the audio data file on the zone that is used for voice data and the FAT file system is connected.
When new voice data is connected with audio file, produce information about link position.The positional information of the new voice data that produces is recorded in the newly assigned part description.In newly assigned track descriptor, key information and numbering of part are described.In addition, when needs, in the title groove, artist name is described, title etc.The pointer of link artist name and title is described in the track descriptor.The track descriptor number is recorded in the playing sequence table.In addition, upgrade copyright management information.
When reproducing audio data, obtain the information corresponding with the orbital number of pointing out from the playing sequence table.Acquisition will be reproduced the track descriptor of track.
Obtain key information from the track descriptor of orbit information table.In addition, on behalf of the part in the zone of the data that are used for these clauses and subclauses, acquisition describe.Describe to obtain to be used for the starting position of part of the required voice data of audio data file from part.Obtain data from this position.Utilize the key information that obtains to data decryption from this position reproduction.Thereby voice data is reproduced.When part is described explanation to the link of another part, link described another part, and repeat identical process.
When on the playing sequence table, when the song of orbital number " n " is changed into orbital number " n+m ", obtain the track descriptor Dn of the information of this track of description from the orbit information TINFn of playing sequence table.The value of orbit information TINFn+1～TINFn+m (track descriptor number) is all subtracted 1.The numeral of track descriptor Dn is stored among the orbit information TINFn+m.
When having the song of track signal " n ", obtain the track descriptor Dn of the information of this track of description from the orbit information TINFn of playing sequence table from the playing sequence list deletion.The effective track descriptor number of after the clauses and subclauses TINFn+1 of playing sequence table all is all subtracted 1.In addition, owing to need deletion track " n ", therefore in the playing sequence table, all subtracted 1 in all clauses and subclauses of track " n " orbit information afterwards.The track descriptor Dn that obtains when wiping according to track is from the coded system and the decruption key of orbit information table acquisition.In addition, the numbering of the part descriptors Pn in the zone that is used for the first music data is represented in acquisition.The audio block of part descriptors Pn appointment and audio data file in the FAT file system are separated.In addition, the track descriptor Dn of this track of deletion from the orbit information table.In addition, this part descriptors of deletion from the partial information table.Removing distribution (deallocate) part from file system describes.
For example, in Figure 35 A, suppose that part A, part B and portion C are connected, and part B is with deleted.The shared identical audio track of part A and part B (with identical FAT bunch), and the FAT chain is continuous.In addition, though suppose in audio data file, portion C is immediately following after part B, and these parts are separated in the FAT table.
In this example, as shown in Figure 35 B, when deletion B, can not be disengaged distribution (to white space) from the FAT chain with two FAT bunch of current partial common bunch.In other words, audio data file is reduced to four audio blocks.Thereby the audio block of record numbering is all subtracted 4 after portion C.
Can delete the part of a track, rather than whole rail.When deletion track a part of, the decryption system and the decruption key that can obtain according to the part descriptors Pn from the orbit information table are to the decrypts information of the remainder of track.
When connecting track n and track n+1 in the playing sequence table, the orbit information TINFn from the playing sequence table obtains the track descriptor number Dn of the information of description track n.In addition, the orbit information TINFn+1 from the playing sequence table obtains the track descriptor number Dm of the information of description track n+1.In the playing sequence table, all values of the effective TINF after TINFn+1 (track descriptor number) is all subtracted 1.Search for program control playing sequence table, seek all tracks of quoting track descriptor Dm, and the track of deletion acquisition.Produce new encryption key.Extract the part descriptors tabulation from track descriptor Dn.The tabulation of the part descriptors that extracts from track descriptor Dm is connected to the end of the tabulation of the part descriptors that extracts from track descriptor Dn.
When connecting track, must compare their track descriptor, so that check the problem that whether has copyright management.In addition, when in the FAT table, connecting track, must obtain part descriptors from the track descriptor, and whether definite chopping rule is satisfied.In addition, if necessary, must upgrade the pointer of namelist.
When track n is divided into track n and track n+1, obtain the track descriptor number Dn of the information of description track n from the TINFn of playing sequence table.In addition, from the orbit information TINFn+ 1 of playing sequence table, obtain the track descriptor number Dm of the information of description track n+1.The value of the effective orbit information TINF of after TINFn+1 all of playing sequence table (track descriptor number) is all added 1.Generation is used for the new key of track descriptor Dn.Extract the tabulation of part descriptors from track descriptor Dn.Distribute a new part descriptors.The content of the part descriptors of Hua Fening is copied in the new part descriptors in advance.The part descriptors of describing division points is divided in position in division points, and deletion is right after the part after division points.Remove the link of division points part descriptors afterwards.Be right after and after division points, distribute a new part descriptors.
7. second example of the management system of music data
Below, second example of the management system of voice data is described.Figure 36 has represented second example of the management system of voice data.As shown in Figure 36, in second example of the management system of voice data, on dish, produce track index file and a plurality of audio data file.Track index file and a plurality of audio data file are the files according to the FAT system management.
As shown in Figure 37, audio data file is included in a first song of music data in the file usually.Audio data file has a head (header).Head comprises title, decryption key information and copyright management information.In addition, head comprises index information.Index is divided into a plurality of parts to a first song of a track.Head comprises a plurality of positions of dividing part of the track corresponding with index number.Index can comprise for example 255 index number.
The track index file comprises the various information that management is kept at the music data in the audio data file.As shown in Figure 38, the track index file is by the playing sequence table, and program control playing sequence table is organized information table, and orbit information table and namelist are formed.
The playing sequence table represents to give tacit consent to the reproduction order of regulation.As shown in Figure 39, the playing sequence table is preserved the information TINF1 that links that represents with about the track descriptor on the orbit information table of orbital number (song number) (Figure 42 A and Figure 42 B), TINF2 ...Orbital number is the numbering that for example begins from " 1 ".
Program control playing sequence table is the form of each user definition playing sequence.As shown in Figure 40, program control playing sequence table comprises the orbit information PINF1 that links that describes with the track descriptor of orbital number, PINF2 ....
As shown in Figure 41 A and 41B, the group information table comprises the information about group.Group is a collection of track (track that perhaps has orbital number) with continuous orbital number, perhaps a collection of track (track that perhaps has the programed track numbering) with continuous program controlled orbital number.As shown in Figure 41 A, the group information table comprises the group descriptor of group.As shown in Figure 41 B, group descriptor is described the track Base Serial Number, and track stops numbering, and group name claims and and mark.
As shown in Figure 42 A and 42B, the orbit information table comprises the information about every first song.As shown in Figure 42 A, the orbit information table is made up of the track descriptor of track (song).As shown in Figure 42 B, each track descriptor is described the pointer for the audio data file of song, index number, artist name, title, initial order of songs information, record duration information etc.As artist name and title, do not comprise their title, but comprise the pointer information of namelist.
Namelist is represented the character as the entity of title.As shown in Figure 43 A, namelist is made up of a plurality of title grooves.Each title groove is linked and is called from each pointer of On Behalf Of The Name.The pointer that calls title is the artist name and the title of orbit information table, and the group name of group information table claims etc.Can call each title groove from a plurality of pointers.As shown in Figure 43 B, each title groove is by name data, and name type and link are formed.Can not be included in a long name in the title groove and claim to be divided into a plurality of parts, thereby they can be comprised in a plurality of title grooves.When title can not be comprised in the title groove, comprise link for the title groove of the remainder that comprises this title.
As shown in Figure 44, in second example of the management system of voice data, when the orbital number on playing sequence table (Figure 39), pointing out to reproduce, read the track descriptor (Figure 42 A and 42B) of link from the orbit information table.According to the track descriptor, read the file pointer of song, index number, the pointer of artist name and title, initial order of songs information, record duration information etc.
According to the pointer of song files, the visit audio data file.Read the information of the head of audio data file.When voice data is encrypted, use the key information of reading from audio data file.The reproducing audio data file.If the assigned indexes numbering so according to the information of head, detects the position of the index number of appointment.Begin to reproduce from the position of this index number.
According to artist name pointer of reading from the orbit information table and title pointer, call the title groove from namelist.Read name data from the title groove.
When the new voice data of record, on FAT table, divide to be used in requisite number purpose record block, for example four or more continuous blocks do not use the zone.
When the zone that is used for voice data has been assigned with, on the orbit information table, distribute a new track descriptor.In addition, produce the content key that voice data is encrypted.Input audio data is encrypted, and produces audio data file.
The new audio file that produces and the pointer of key information are described in newly assigned track descriptor.In addition, when needs, in the title groove, comprise artist name, title etc.The pointer of link artist name and title is described in the track descriptor.The track descriptor number is recorded in the playing sequence table.In addition, upgrade copyright management information.
When reproducing audio data, obtain the information corresponding with the orbital number of pointing out from the playing sequence table.Obtain to reproduce the track descriptor of track from the orbit information table.
From file pointer and the index number of track descriptor extraction as the voice data of music data.The visit audio data file.Obtain key information from the head of file.Utilize the data decryption of the key information of acquisition to audio data file, and reproducing audio data.When the numbering of assigned indexes, begin to reproduce from the position of the index number of appointment.
When track n is divided into track n and track n+1, obtain the track descriptor number Dn of the information of description track n from the TINFn of playing sequence table.In addition, from the orbit information TINFn+ 1 of playing sequence table, obtain the track descriptor number Dm of the information of description track n+1.The value of the effective orbit information TINF of after TINFn+1 all of playing sequence table (track descriptor number) is all added 1.
As shown in Figure 45, when making index of reference, the data of a file can be divided into a plurality of index areas.The position of index number and index area is recorded in the head of audio track file.The file pointer of voice data and index number are described in track descriptor Dn.The file pointer of voice data and index number are described in track descriptor Dm.Thereby the song M1 of a track of audio file obviously is divided into the song M11 and the song M12 of two tracks.
When connecting track n and track n+1 in the playing sequence table, the orbit information TINFn from the playing sequence table obtains the track descriptor number Dn of the information of description track n.In addition, the orbit information TINFn+1 from the playing sequence table obtains the track descriptor number Dm of the information of description track n+1.In the playing sequence table, all values of the effective TINF after TINFn+1 (track descriptor number) is all subtracted 1.
When track n is recorded in the identical audio data file with track n+1, and when being separated by index, as shown in Figure 46, if the index information of head is deleted, they can be connected so.Thereby the song M21 of two tracks and M22 can be connected to the song M23 of a track.
Be the second half of an audio data file separating by index as track n, and track n+1 as shown in Figure 47, increase a head when being positioned at the starting point of another audio data file in the data of the track n that has been separated by index.Thereby, the audio data file of generation song M32.The head of the audio data file of track n+1 is removed, and the voice data of the track n+1 of song M41 is connected with the audio data file of track n+1.Thereby the song M32 of two tracks and M41 are connected to the song M51 of a track.
In order to realize above-mentioned processing, provide a kind of track that separates to index to increase a head, utilize another encryption key that track is encrypted, and the voice data that index separates is converted to the function of an audio data file, with the head of removing audio data file, connect another function of this audio data file and another audio data file.
8. when being connected with personal computer, the operation of disc system
In order to make MD 1 of future generation and MD of future generation 2 and personal computer compatibility, these systems use the FAT system as data management system.Thereby the dish of the dish of MD 1 of future generation and MD of future generation 2 not only can processing audio data, and can handle the computer data that personal computer reads and writes.
Thereby, according to an embodiment of the invention the record and reproducer in, by USB hub
7 connect personal computer 100 and disk drive device 1.When the dish 90 that data is write the disk drive device 1 of packing into from personal computer 100, under the control of the file system of disk drive device 1 one sides, the general-purpose computations machine data is gone into dish 90; Under the control of the file system of disk drive device 1 one sides, voice data is written into dish 90.
Figure 48 A and 48B are described in 7 (not shown) by USB hub, connect under the state of personal computer 100 and disk drive device 1, according to the type of the data that will write, shift the synoptic diagram of managerial ability.Figure 48 A represents that the general-purpose computations machine data sends disk drive device 1 to from personal computer 100, and is recorded to the example on the dish 90 in the disk drive device 1 of packing into.In this case, the FAT of dish 90 is by the file system management on the screen of personal computer 100 1 sides.
In this case, suppose that dish 90 is according to MD 1 of future generation or MD of future generation 2 formative dishes.
In other words, personal computer 100 1 sides are treated as the disk drive device 1 that is attached thereto on the replaceable dish of personal computer 100 management.Thereby personal computer 100 can be from dish 90 reading of data of the disk drive device 1 of packing into, and data are write described dish 90, make personal computer 100 write described dish from the flexible disk reading of data with data.
Can be used as the form of the function of the OS (operating system) that is installed in the basic software in the personal computer 100, the file system of personal computer 100 1 sides is provided.As everyone knows, OS is recorded in the hard disk drive of personal computer 100 for example as the preset program file.When starting personal computer 100, program file is read and is performed, thereby every kind of function of OS is provided.
Figure 48 B represents that voice data is sent to disk drive device 1 from personal computer 100, and is recorded to the example on the dish 90 in the disk drive device 1 of packing into.For example, voice data has been recorded in the recording medium, and described recording medium is, for example the hard disk drive of personal computer 100 (HDD).
Suppose make personal computer 100 according to the ATRAC compressibility to audio data coding, voice data is write on the dish 90 in the disk drive device 1 of packing into, and has been installed to the personal computer 100 from the application software of coiling 90 deletion voice datas.Application software also has the track index file of quoting the dish 90 in the disk drive device 1 of packing into, and browses the function that is recorded in the orbit information on the dish 90.Application software is recorded into the program file among the HDD of personal computer 100 for example.
For example, will illustrate the situation on the dish 90 of audio data recording in the disk drive device 1 of packing in the recording medium that is recorded in personal computer 100.In this case, suppose that aforementioned applications software is activated.
At first, the user handles personal computer 100, so that record on the dish 90 in the disk drive device 1 of packing into being recorded in predetermined audio data (calling voice data A) among the HDD.According to user's operation, application software output makes voice data A be recorded in the write request order of coiling on 90.The write request order sends disk drive device 1 to from personal computer 100.
Afterwards, the HDD from personal computer 100 reads voice data A.Be installed in application software in the personal computer 100 according to the ATRAC compressibility, voice data A carried out encoding process, and voice data A is converted to the ATRAC packed data.The voice data A that has converted the ATRAC packed data to sends disk drive device 1 to from personal computer 100.
Before data are write on the dish 90 fully, according to predetermined agreement, swap data, state and order between personal computer 100 and disk drive device 1.Thereby the data transfer rate Be Controlled makes in bunch impact damper 4 of disk drive device 1 one sides, and overflow and underflow do not take place.
Except aforementioned write request order, can be for example removal request order in the order that personal computer 100 1 sides are used.The removal request order makes the voice data on the dish 90 of disk drive device 1 deletion record in the disk drive device 1 of packing into.
When personal computer 100 is connected with disk drive device 1, and coil 90 when being loaded in the disk drive device 1, aforementioned applications software makes disk drive device 1 read the track index file from coiling 90.From track index file sense data, and described data are sent to personal computer 100 from disk drive device 1.Personal computer can displayed record the header list of voice data on dish 90.
When personal computer 100 was attempted from the specific voice data (voice data B) of the header list deletion that shows, information and the removal request order of the voice data B that representative will be deleted were transmitted to disk drive device 1 together.When disk drive device 1 is received the removal request order, disk drive device 1 under the control of disk drive device 1 itself, the voice data B of removal request.
Owing under the control of the FAT of disk drive device 1 system, delete voice data,, finish from the process of especially big (jumbo) file delete voice data of forming by the how first song of voice data therefore as described about Figure 35 A and 35B.
9. be recorded in the copy limit of the voice data on the dish
In order to protect the copyright that is recorded in the voice data on the dish 90, should limit that the voice data that is recorded on the dish 90 is copied in another recording medium or the analog.Suppose that the voice data that is recorded on the dish 90 sends personal computer 100 to from disk drive device 1, and be recorded among the HDD or analog of personal computer 100.
In this example, suppose that dish 90 is according to MD 1 of future generation or MD of future generation 2 formative dishes.In addition, suppose check output (check out) operation that will be explained below, check input (check in) operation etc. are carried out under the control of the aforementioned applications software in being installed on personal computer 100.
In the steps A shown in Figure 49, the voice data 200 that is recorded on the dish 90 is moved to personal computer (PC) 100.Term " moves " and means target audio data 200 are copied to personal computer 100, and from the sequence of operations of source record medium (dish 90) deletion target audio data.In other words, when data were moved, data were deleted from originating, and data are moved to the destination.
Data are copied to another recording medium from recording medium, and the number of copy times that allows is subtracted 1 operation and is called as check output.On the contrary, from check output destination deleted data, and the permission number of copy times of check output source is added 1 operation and is called as the check input.
When voice data 200 is moved to personal computer 100, voice data 200 (as voice data 200 ') be moved to the recording medium of personal computer 100, HDD for example, and from source tray 90 deletion voice datas 200.At the step B shown in Figure 49, the voice data 200 that personal computer 100 setting is moved ' check output (CO) number of times 201 of permission (perhaps predetermined).In this example, the check of permission output (CO) number of times 201 is configured to 3 times, is represented by " @ ".In other words, can be by the check output number of times 201 that allows, from personal computer 100 to external recording medium check outputting audio data 200 '.
If from source tray 90 deletions, the user may feel inconvenient to this to the voice data 200 of check output so.Thereby check outputs to the voice data 200 of personal computer 100 ' be restored to dish 90.
When voice data 200 ' when writing on the dish 90 again from personal computer 100, at the step C shown in Figure 49, the check of permission output number of times is used up 1 time.Thereby it is inferior that the check output number of times of the permission that obtains becomes (3-1=2).At the step C shown in Figure 49, the permission check output number of times of using up is represented with " # ".Since be kept at voice data 200 in the personal computer 100 ' remaining permission check output number of times be 2 times, not from personal computer 100 deletion voice datas 200 '.In other words, be kept at voice data 200 in the personal computer 100 ' copy to dish 90 from personal computer.On dish 90, with voice data 200 ' the form recording audio data 200 of copy ".
The check output number of times 201 that allows is by copyright management information (referring to Figure 30 B) management of the track descriptor of orbit information table.Owing to about track descriptor of each track explanation, therefore can be each track, for example voice data is provided with the check output number of times 201 of permission.Be used as the control information of the voice data that moves to personal computer 100 from coiling the 90 track descriptors that copy to personal computer 100.
When voice data from coiling 90 when moving to personal computer 100, be copied to personal computer 100 corresponding to the track descriptor of the voice data that moves.Personal computer 100 is according to the track descriptor, and management is from coiling 90 voice datas that move.When voice data has been moved and has been recorded in the HDD of personal computer 100 or the analog, the permission check output number of times 201 of the copyright management information in the track descriptor is set about predetermined times (in this example, 3 times).
As copyright management information, except the check output number of times 201 that allows, also manage the machine ID of identification source check output device and the content ID that identification has been verified the content (voice data) of output.At the step C shown in Figure 49, according to the machine ID in the copyright management information corresponding with the voice data that will duplicate, the machine ID of checking copying destination machine.When the machine ID of copyright management information does not conform to the machine ID of duplicating the destination machine, can forbid duplicating voice data.
In a series of check output procedures of the steps A～C shown in Figure 49, the voice data on the dish 90 is moved to personal computer 100, writes again on the dish 90 from personal computer 100 subsequently.Thereby the user should carry out the step of complexity and trouble.In addition, because the user need read the time for reading of voice data and voice data is write the write time of coiling on 90 again from coiling 90, he or she can feel leeway.In addition, the user does not wish that voice data is deleted from coiling on 90.
Thereby when check output record during at the voice data of dish on 90, the intermediate steps of front is omitted, and is performed as it, thereby only obtains result at the C of step shown in Figure 49.Below, with an example of this step of explanation.According to user's single order, for example " voice data of the audio file A of check output record on dish 90 " carries out this step.
(1) voice data that is recorded on the dish 90 is copied on the HDD of personal computer 100.In addition, make the part management data of voice data invalid, so that the voice data on the deletion dish 90.For example delete the link information TINFn of the track descriptor corresponding with voice data from the playing sequence row.In addition, from the link information PINFn of the program control document order list deletion track descriptor corresponding with voice data.On the other hand, can delete the track descriptor corresponding itself with voice data.Thereby, on dish 90, can not use this voice data.Thereby voice data moves to personal computer 100 from coiling 90.
(2) when in step (1) when voice data is copied to personal computer 100, the track descriptor corresponding with voice data also is copied to the HDD of personal computer 100.
(3) subsequently, personal computer 100 is pre-determined number, for example is arranged to for 3 times and the permission check output number of times of the copyright management information from coil the corresponding track descriptor of 90 voice datas that duplicate and move.
(4) subsequently, personal computer 100 obtains the content ID of mobile voice data according to from coiling the 90 track descriptors that duplicate.Content ID is recorded into the content ID that expression can be verified the voice data of input.
(5) subsequently, personal computer 100 subtracts 1 to the permission check output number of times in the copyright management information of the track descriptor corresponding with the voice data that moves according to the pre-determined number that is provided with in step (3).In this example, it is inferior that the check of permission output number of times becomes (3-1=2).
(8) subsequently, dish 90 disk drive device 1 (not shown) of packing into is confirmed and the mobile corresponding track descriptor of voice data.For example, recover or be created in again the link information TINFn and the PINFn of step (1) deletion.Thereby, make the track descriptor corresponding effective with voice data.When step (1) has been deleted the track descriptor corresponding with voice data, produce this track descriptor again.On the other hand, being recorded in respective carter descriptor in the personal computer 100 can be transmitted to disk drive device 1 and be recorded on the dish 90.
Carrying out step (1)-(6) afterwards, can think that a series of check output procedures finish.Thereby voice data can copy to personal computer 100 from coiling 90, and the copyright of voice data is protected simultaneously, and has reduced user's time and workload.
Preferably the replicate run about voice data of step (1)-(6) is applied to the user by disk drive device 1, records the voice data on the dish 90.
When the voice data of check output is verified input, the control information of personal computer 100 search voice datas and track descriptor, for example copyright management information is determined according to the voice data and the control information that obtain, and carries out the check input operation.
10. the structure of software
Figure 50 has represented to realize an example of the structure of the software of file transfer system according to an embodiment of the invention.In this manual, a plurality of members' of term " system " expression logical set zoarium, and no matter whether they are included in the shell.
Planter application program (juke box application) 300 is installed in the personal computer 100.Planter is used 300 and is provided for preserving content, for example extracts and/or from the voice data of network download such as the Internet, produces the database of preservation content, and operate the user interface of this database from CD (dish).Described extraction is from original recording medium, and for example music CD reads numerical data, and for example content, and extraction numerical data is as the file of computing machine.
In addition, planter is used being connected of 300 control personal computers 100 and disk drive device 1.The function of aforementioned applications program can be included in planter and use in 300.In other words, from the recording medium as first recording medium, for example the HDD of personal computer 100 1 sides sends dish 90 to the software shown in Figure 50 data, and vice versa, and described dish 90 is the dismountable disc-shape recoding mediums as second recording medium.
Planter is used 300 and is had database management module 301.Database management module 301 is managed the dish ID of identification dish 90 and one group of storehouse in dish ID database or the dish ID tabulation interrelatedly.According to embodiments of the invention, UID is used as dish ID.The group of database management module 301 management and dish ID database or dish ID tabulation will be explained below.
Planter is used 300 and is acted on the OS 303 that is installed in the personal computer 300 by security module 302.The licence that security module 302 has regulation in SDMI (SDMI) meets module (LCM).LCM carries out the proof procedure between planter application 300 and the disk drive device 1.In addition, the consistance of security module 302 scope of examination ID and UID.All the elements exchange between planter application 300 and disk drive device 1 by security module 302.
In addition, MD driving firmware 320 of future generation is installed in the disk drive device 1.MD of future generation drives the software that firmware 320 is operations of console panel drive unit 1 itself.Personal computer 100 console panel drive units 1, and by MD device driver 304 of future generation, by the communication between MD driving firmware 320 of future generation and the OS 303, with disk drive device 1 swap data.
By for example connecting the cable of personal computer 100 and disk drive device 1, the perhaps communication interface such as network 310, MD of future generation drives can the upgrade version of personal computer 100 1 sides of firmware 320.
In addition, planter is used in 300 recording mediums that are recorded in such as CD-ROM (compact disk-ROM (read-only memory)), and provides therewith.When recording medium is loaded in the personal computer 100, and when carrying out predetermined operation, is recorded in planter in the recording medium for example and uses 300 and be saved in the hard disk drive of personal computer 100 for example.On the other hand, can planter be used 300 (perhaps planter is used 300 installation procedure) offer personal computer 100 by the network such as the Internet.
Below, database of descriptions administration module 301.The storehouse can the setting group.When according to appropriate standard, when content was associated with group, content can be classified.According to one embodiment of present invention, the dish ID and the group of identification dish 90 are associated.Aforementioned UID can be used as dish ID.
Below, with reference to figure 51A and 51B, the database of database management module 301 management of brief description planter application 300.Figure 51 A has represented an example of the structure of dish ID database or dish ID tabulation.In dish ID database or dish ID tabulation, manage dish ID and group interrelatedly.In addition, can make dish ID and other attribute, song book title for example, the school of song book, artist name, data (compression) form records the date in the database, and supplier's grade of content is associated.
The structure of the database shown in Figure 51 A and the 51B is the example of embodiments of the invention.Thereby the present invention is not limited to these structures.
Field shown in Figure 51 A " dish ID " is the field that is used to coil ID.Dish ID is each identifier that coils 90 exclusive recording mediums.
Field " group name claims " is to be used for the field that group name claims.The user can utilize planter to use 300 and group name is set claims.On the other hand, the user can use planter application 300 group names that provide in advance to claim.The user can be according to scene, and for example appointment is driven, job communting etc., and according to the artist, singer for example, performing artist etc., for example classic according to school, jazz etc., perhaps according to user's hobby, for example up-to-date content etc. is provided with group.
On the other hand, make dish ID and about the information of content, the check output number of times that for example allows is associated with content ID, described content ID is the exclusive content designator of content.Figure 51 B has represented to make be mutually related the with it example of structure of content ID database or content ID tabulation of the information about content.Content ID database or content ID tabulation are by database management module 301, according to for example coiling ID database or dynamically generation of dish ID tabulation.
Field " content ID " is the field that is used for content ID.Content ID has for example 128 data length.When content was used 300 seizure and is kept in the storehouse by planter, security module 302 was to content ID of this content allocation.The content that is kept in the storehouse can be discerned by content ID.
Field shown in Figure 51 B " dish ID " is identical with the field shown in Figure 51 A " dish ID ".Thereby, dish ID database or dish ID tabulation and content ID database or content ID tabulation are associated with dish ID.By dish ID and content ID, can manage information uniquely about content.
In addition, make the attribute of content ID and content and dish ID interrelated.In the example shown in Figure 51 B, dish ID is recorded in the field " dish ID ".The CO that allows (check output) number of times is recorded in the field " CO number of permission ".Make CO number of dish ID and permission interrelated with the content ID of field " content ID ".Certainly, the information of other type is associated with content ID.
In Figure 51 B, dish ID is associated with content ID in recording the storehouse.On the other hand, content ID is associated with dish ID.On the other hand, content ID is associated with group.On the other hand, CO number of permission is associated with dish ID.On the other hand, can be according to the first kind of management method or the secundal viae reason management by methods storehouse about music data of front.
Below, one embodiment of the present of invention will be described.The following examples are applicable to the check output procedure of aforementioned software.According to this embodiment, the check of permission output number of times is restricted to maximum three times.But the number of times of the check output of permission is not limited to maximum three times by regulations such as SDMI.
Figure 52 and 53 has represented an example according to the operation of the software of this embodiment.Below, with reference to Figure 52 and 53, embodiments of the invention are described.
Figure 52 represents that according to embodiments of the invention personal computer 100 1 sides are to the example of the check output function of disk drive device 1 one sides execution.Personal computer 100 is about two notions: song book and playlist, management music content.In Figure 52, be positioned at check output (CO) number of times of the permission that the numeral of every first song starting point should the head song.
Song book be by aforementioned group of management or with the notion of aforementioned group of music content that is associated.First set that song book is made up of the entity of music content.Song book is made up of a plurality of entities of music content usually.But song book can be made up of an entity of music content.A plurality of song books are kept on the recording medium of personal computer 100 1 sides.
According to this embodiment, make dish ID and group and content ID interrelated, so that manage the entity of group and music content interrelatedly.Thereby, song book is associated with dish ID and content ID.
The entity of music content is a data structure of forming voice data.Data structure is formed by the structure of record or as the CD of music distribution medium.Data structure has hierarchy.
Second set that playlist is made up of the pointer of music content.Playlist is made up of a plurality of pointers of music content substantially.Certainly, playlist can be made up of a pointer of music content.Playlist is the tabulation of describing the reproduction order of song, and is called as the program reproducing tabulation.Carrying out before the check output or when carrying out check output, producing playlist in the recording medium on personal computer 100.
Pointer is the link for a certain entity of music content, rather than the entity of music content.Thereby, even delete certain first song, also just delete link, and do not delete the entity of voice data about this head song from playlist.
In Figure 52, song book 1 is made up of song 1～7.Song book 2 is made up of song 8～14.Song 1～14th, the entity of music content, i.e. voice data.
Figure 53 has represented that personal computer 100 1 sides output to the music content check of describing the example of the process of disk drive device 1 one sides in playlist.When personal computer 100 and disk drive device 1 are connected, and beginning is during about the check output procedure of the song described in playlist, and search is included in all song books (step S201) of the song of pointing out in the playlist.When the song of describing was exported in check in playlist 1, the Search Results that is included in the song book of the song of describing in the playlist 1 was song book 1 and song book 2.
From the recording medium of personal computer 100 1 sides being included in the dish 90 (step S202) that all music contents checks the song book that step S201 searches output to disk drive device 1 one sides.In other words, the check output packet is contained in the song 1～7 in the song book 1 and is included in song 8～14 in the song book 2.Thereby song book 1 and song book 2 are transmitted to disk drive device 1 one sides.
When testing output procedure, the check of the permission of each song book output (CO) number of times is subtracted 1.Check output (CO) number of times of the permission of each song book is by management such as databases.In other words, the check of the permission of song book 1 and song book 2 output time number average changes over 2 times from 3 times.
As mentioned above, according to embodiments of the invention, when the dish 90 of disk drive device 1 one sides was exported in the music content check of describing playlist from personal computer 100 1 sides handle, search was included in all song books of the music content of describing in the playlist.All music contents that are included in the song book that searches are verified output.Thereby, can the reduced inspection output function.So in each song book, the check of the permission of song output number of times becomes identical.When transmitting all music contents of a song book, can prevent that the part song of song book is not transmitted.Thereby, be easy to manage music content.
When the dish 90 of disk drive device 1 one sides was exported in the music content check of describing playlist from personal computer 100 1 sides handle, search was included in all song books of the music content of describing in the playlist.All music contents that are included in the song book that searches are verified output.Playlist sends the dish 90 of disk drive device 1 one sides to from personal computer 100 1 sides.The music content of playlist that transmits and check output is linked.Thereby, on the dish 90 of disk drive device 1 one sides, can form the identical data structure of music content with personal computer 100 1 sides.Thereby the user can use music content in disk drive device 1 one sides, use these music contents as him or she in personal computer 100 1 sides, and does not need to understand the notion of the entity and the pointer of song.Thereby, improved the availability of music content.
Though about most preferred embodiment of the present invention, expression and the present invention has been described, but one skilled in the art should appreciate that under the situation that does not break away from the spirit and scope of the present invention, can make aforementioned and various other changes aspect the form of the embodiment of the invention and the details, omit and add.For example, not always according to the operation steps of given time sequencing execution according to the software of previous embodiment.On the other hand, can walk abreast or carry out these steps discretely.
Can carry out process in such a manner according to the software of previous embodiment, make and constitute software and be recorded in the program on the computer readable recording medium storing program for performing such as CD, DVD, for example planter is used 300 and is installed in the personal computer 100, and is kept at such as HDD in the pen recorder.But the process of this software can be by another messaging device, and the computing machine that the program that constitutes software for example wherein is housed is carried out.On the other hand, the part or all of process of this software can be realized by hardware.
According to previous embodiment, the dish 90 of the recording medium of exporting as it is tested is the MD dish with unique identifier, MD 1 dish for example of future generation or MD of future generation 2 dishes.On the other hand, the present invention is applicable to the recording medium of other type, for example recordable CD, disk, tape, storage card etc.The recording medium that preferably uses the big recording capacity with 10000 first songs is as dish 90.
Reference numeral:
S100 checks UID
S101 records UTOC
S102 record warning track
S103 records DDT
S104 records unique ID
S105 record FAT etc.
S110 checks UID
S111 records DDT
The unique ID of S112
S113 record FAT etc.
The S201 search comprises the song book of the song of describing in the playlist, so that check output
S202 check output packet is contained in all songs in the song book that searches
S203 transmits playlist
Claims (7)
1, a kind of data communication system that between first recording medium and second recording medium, transmits voice data, a plurality of first set have been recorded on first recording medium, each first set is made up of at least one entity of voice data, and described data communication system comprises:
Description is included at least one first set and is recorded in the reproduction order of the voice data in first recording medium, and describes second set of the pointer of the entity that is included in the voice data in each first set; With
When the voice data of describing is transmitted to second recording medium, first all entities of voice data in gathering that are included in the voice data that wherein comprises described in second set are sent to the control section of second recording medium from first recording medium in second set.
2, according to the described data communication system of claim 1,
Wherein second recording medium is dismountable disc-shape recoding medium.
3, according to the described data communication system of claim 1,
Wherein second recording medium has exclusive identifying information.
4, according to the described data communication system of claim 3,
Wherein each the exclusive identifying information in first recording medium and second recording medium is associated with first set.
5, a kind of data transferring method that between first recording medium and second recording medium, transmits voice data, a plurality of first set have been recorded on first recording medium, each first set is made up of at least one entity of voice data, and described data transferring method comprises the steps:
Reception makes the order of voice data from first recording medium to second recording medium of describing in second set, second set description is included at least one first set and is recorded in the reproduction order of the voice data in first recording medium, and describes the pointer of the entity that is included in the voice data in each first set;
Search is included in first set of the voice data described in second set; With
The entity of the voice data of describing in second set is sent to second recording medium from first recording medium, and transmit and comprise all entities that send the voice data that is comprised first set of voice data of second recording medium from first recording medium to.
6, according to the described data transferring method of claim 5,
Wherein second recording medium has exclusive identifying information.
7, according to the described data transferring method of claim 6,
Wherein each the exclusive identifying information in first recording medium and second recording medium is associated with first set.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| JP163470/2003 | 2003-06-09 | ||
| JP2003163470 | 2003-06-09 | ||
| JP163321/2004 | 2004-06-01 |
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| CN1289125A (en) * | 1999-09-21 | 2001-03-28 | 索尼公司 | Communication system and method, and communication apparatus and method |
| JP2001243709A (en) * | 2000-02-25 | 2001-09-07 | Aiwa Co Ltd | Controller for information recording |
| JP2001357618A (en) * | 2000-06-13 | 2001-12-26 | Matsushita Electric Ind Co Ltd | Recording and reproducing system of linked reproduction system and device and method which are associated with the same |
| JP2003022080A (en) * | 2001-07-06 | 2003-01-24 | Sony Corp | Device and method for recording, recording medium, and program |
| JP2003029795A (en) * | 2001-07-17 | 2003-01-31 | Sanyo Electric Co Ltd | Music contents transfer system |
| WO2003023781A1 (en) * | 2001-09-10 | 2003-03-20 | Thomson Licensing S.A. | Extension of m3u file format to support user interface and navigation tasks in a digital audio player |
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2004
- 2004-06-08 CN CNB2004800006591A patent/CN100431031C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289125A (en) * | 1999-09-21 | 2001-03-28 | 索尼公司 | Communication system and method, and communication apparatus and method |
| JP2001243709A (en) * | 2000-02-25 | 2001-09-07 | Aiwa Co Ltd | Controller for information recording |
| JP2001357618A (en) * | 2000-06-13 | 2001-12-26 | Matsushita Electric Ind Co Ltd | Recording and reproducing system of linked reproduction system and device and method which are associated with the same |
| JP2003022080A (en) * | 2001-07-06 | 2003-01-24 | Sony Corp | Device and method for recording, recording medium, and program |
| JP2003029795A (en) * | 2001-07-17 | 2003-01-31 | Sanyo Electric Co Ltd | Music contents transfer system |
| WO2003023781A1 (en) * | 2001-09-10 | 2003-03-20 | Thomson Licensing S.A. | Extension of m3u file format to support user interface and navigation tasks in a digital audio player |
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| CN1698118A (en) | 2005-11-16 |
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