WO2014199679A1 - 情報記録媒体およびその再生方法 - Google Patents
情報記録媒体およびその再生方法 Download PDFInfo
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- WO2014199679A1 WO2014199679A1 PCT/JP2014/055466 JP2014055466W WO2014199679A1 WO 2014199679 A1 WO2014199679 A1 WO 2014199679A1 JP 2014055466 W JP2014055466 W JP 2014055466W WO 2014199679 A1 WO2014199679 A1 WO 2014199679A1
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- WIPO (PCT)
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- area
- information
- recording medium
- information recording
- recorded
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
- G11B27/329—Table of contents on a disc [VTOC]
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/0079—Zoned data area, e.g. having different data structures or formats for the user data within data layer, Zone Constant Linear Velocity [ZCLV], Zone Constant Angular Velocity [ZCAV], carriers with RAM and ROM areas
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
Definitions
- the present invention relates to an information recording medium capable of recording arbitrary data and a reproducing method thereof.
- PIC Permanent Information & Control Data
- PAC Physical-Access Control
- PAC Physical-Access Control
- a recording / reproducing apparatus for an information recording medium recognizes the medium structure by first accessing the first area in which medium identification information indicating the structure of the information recording medium is recorded and reading the medium identification information. It is common.
- the information recorded in the first area is medium identification information indicating the structure of the information recording medium. Almost the same as before.
- the amount of data in a data area where arbitrary user data such as images and moving images can be recorded increases as the capacity increases.
- the amount of data in the second area, which is located between the first area and the data area and in which control information for controlling access to the apparatus on the area on the information recording medium is recorded increases as the capacity increases.
- the area of each area is determined in accordance with the ratio of the amount of data recorded in each of the first area, the second area, and the data area without changing the diameter of the optical disk, the large-capacity information recording medium Compared with a small-capacity information recording medium, the area of the first region is reduced. For example, when a recording / reproducing apparatus for an information recording medium tries to access a certain position, even if a desired radial position is designated, there is no strict access accuracy, so the address information at the accessible position is confirmed and read. Based on the address information, the user moves to a desired position and accesses it.
- the present invention has been made in view of the above-described problems, and an object of the present invention is to realize an information recording medium and a reproducing method thereof in which the recording / reproducing apparatus for the information recording medium can easily execute the process of recognizing the medium structure There is to do.
- an information recording medium includes a first area including medium identification information indicating a structure of the information recording medium, and whether or not the apparatus can access the area on the information recording medium.
- the recording / reproducing apparatus for the information recording medium can easily execute the medium structure recognition processing.
- FIG. 1 is a diagram illustrating an example of an appearance of an information recording medium according to a first embodiment of the present invention. It is a figure which shows an example of the cross-sectional structure corresponding to the radius of the said information recording medium.
- (A) is a figure which shows an example of the pit length of the pit in the 1st area
- (b) is a figure which shows an example of the pit length of the pit in the 2nd area
- FIG. 1 is a diagram illustrating an example of the appearance of the information recording medium 10.
- FIG. 2 is a diagram showing an example of a cross-sectional structure corresponding to the radius of the information recording medium 10.
- the information recording medium 10 is a disc-shaped optical disc having an opening at the center, for example, an optical disc such as a Blu-ray (registered trademark) Disc (BD).
- BD Blu-ray (registered trademark) Disc
- the information recording medium 10 includes a first area (PIC area) 11 in which medium identification information indicating the structure of the information recording medium is recorded, and an arbitrary user such as an image or a moving image.
- PAC control information for access control
- the information recording medium 10 may be a recording type information recording medium in which a user can read and write user data in the data area 13, or a read-only information recording medium in which user data in the data area 13 can only be read. There may be.
- the optical disc apparatus is a recording / reproducing apparatus that reproduces information recorded in the information recording medium 10 and / or records information in the data area 13.
- the first area 11 is located on the innermost circumference side of the information recording medium 10 and the data area 13 is located on the outermost circumference side of the information recording medium 10 with respect to the disc radial direction.
- the second area 12 is located between the first area 11 and the data area 13. That is, in the information recording medium 10, the first area 11, the second area 12, and the data area 13 are sequentially arranged from the inner circumference side toward the outer circumference side.
- the positional relationship between the areas is not limited to this, and the second area 12 may be arranged between the first area 11 and the data area 13.
- the recording linear density of the data area 13 is increased. Therefore, in the information recording medium 10 according to the present invention, the recordable data amount (recording capacity) is increased by increasing the recording linear density of the data area 13. Further, the recording linear density of the second region 12 is also increased. In the information recording medium 10 according to the present embodiment, the recording linear densities of the second area 12 and the data area 13 are the same. However, the present invention is not limited to this, and the recording linear densities of the second area 12 and the data area 13 may be different. As will be described later, the recording linear density of the second region 12 and the data region 13 may be higher than the recording linear density of the first region 11.
- the area of the first region 11 is larger than the area of the second region 12.
- the optical disk device of the information recording medium 10 tries to access the first area 11, it is arranged between the first area 11 and the data area 13 because there is no strict access accuracy even if a desired radial position is designated.
- the second area 12 being accessed is erroneously accessed. Therefore, there arise problems that an increase in time required for the recognition process of the medium structure, an increase in the number of retries of the recognition process, and the recognition of the medium itself become impossible.
- the recording / reproducing apparatus of the information recording medium 10 can easily access the first area and recognize the medium identification information. Can do.
- a large capacity information recording medium is a BD having a recording capacity of 33 GB per layer
- a small capacity information recording medium is a BD having a recording capacity of 25 GB per layer.
- the optical disk device for a large capacity information recording medium is an optical disk device capable of reproducing and recording information recorded at a high recording linear density.
- An optical disk device for a large-capacity information recording medium can further reproduce and record information recorded at a low recording linear density.
- An optical disk device for a small-capacity information recording medium is an optical disk device capable of reproducing and recording information recorded at a low recording linear density.
- An optical disk apparatus for a small capacity information recording medium is not designed to reproduce and record information recorded at a high recording linear density, and therefore reproduces and records information recorded at a high recording linear density. For this reason, it is difficult or impossible to reproduce and record information recorded at a high recording linear density because it cannot be changed to a necessary reproduction speed.
- the recording linear density of the first area 11 is lower than the recording linear density of the second area 12.
- the recording linear density of the first region 11 is low. Since the recording linear density is the same as or close to the recording linear density of the small-capacity information recording medium, the medium identification information can be read easily. Therefore, it is possible to suppress problems that the optical disk device repeats the recognition process retry or the optical disk device freezes.
- the information recording medium 10 is a large-capacity information recording medium, and the optical disc apparatus reproduces information recorded at a high recording linear density and has a high recording linear density.
- the information recording medium 10 is an incompatible optical disk without taking time.
- a process of ejecting the information recording medium 10 from the optical disc apparatus may be performed. Further, only the process of discharging the information recording medium 10 may be performed.
- the medium identification information includes information indicating the recording linear densities of the second area and the data area 13.
- the medium identification information may include reference address information indicating a reference address of each area.
- the reference address includes either the first address or the last address of the area, or both.
- the optical disk apparatus for a large-capacity information recording medium reads the second area 12 and the data after reading the medium identification information.
- the recording linear density for accessing the area 13 can be quickly set.
- the information indicating the recording linear density of the second area 12 and the data area 13 is recorded at a recording linear density that is the same as or close to the recording linear density of the small capacity information recording medium. Therefore, it becomes easy to read the medium identification information. As a result of reading, it is possible to quickly recognize that the information recording medium 10 cannot cope with the reproduction and recording of information in the optical disk device for a small-capacity information recording medium.
- the optical disk apparatus for the large capacity information recording medium reads the medium identification information in the second area 12 and the data area 13. It is possible to quickly specify an address for access, and access to each area becomes easy.
- the information recording medium 10 may have a plurality of first areas 11, for example, the first areas 11 may be arranged on the innermost and outermost sides of the information recording medium 10.
- the first area, the second area, the data area, the second area, and the first area are arranged from the innermost side toward the outermost side.
- the number of tracks in the first area 11 may be larger than the number of tracks in the second area 12.
- the start radius position and end radius position of each area are specified in the standard.
- the number of tracks is the number of tracks crossing the radial straight line between the start radius position and end radius position of each area, and the distance in the radial direction from the start radius position to the end radius position of each area is tracked. It can be calculated by dividing by the pitch (distance between adjacent tracks in the radial direction).
- the recording / reproducing apparatus can easily execute access to the first area and recognition of the medium identification information.
- the area of the first region 11 may be larger than the area of the second region, and the number of tracks in the first region 11 may be larger than the number of tracks in the second region 12.
- FIG. 3A shows an example of the pit length of the pit in the first area
- FIG. 3B shows an example of the pit length of the pit in the second area.
- the bit length corresponding to one period of the channel clock to be synchronized for reproduction is represented by T, as shown in FIG. 3, the bit length that is an integral multiple of T, such as 2T, 3T, 4T, and 6T, is obtained. There are pits and spaces between pits.
- the recording density of the second region 12 is higher than that of the first region 11 means that the channel clock cycle of the first region 11 and the second region 12 is the same and the first region 11 is reproduced. This means that the standard reproduction speed for reproducing the second area 12 is slower, and the unit bit length is shorter in the second area 12 than in the first area 11. That is, the reproduction speed for reproducing the first area 11 and the second area 12 is changed by the apparatus according to the area.
- control information 121 and 122 may be recorded at the beginning and the end of the second area 12, respectively.
- the control information 121 and 122 are information having the same content.
- the second area includes control information for access control (PAC) of the optical disk apparatus with respect to the area on the information recording medium 10. Therefore, the optical disc apparatus can recognize whether or not each area can be accessed by recognizing the control information of the second area.
- PAC control information for access control
- the optical disc apparatus cannot access the data area 13 and cannot read / write data from / to the information recording medium.
- the durability of the information recording medium can be improved by recording the control information in the second area a plurality of times as in the information recording medium 10 according to the second embodiment.
- the second area 12 has a spare area 123 for use in future standard expansion of the information recording medium 10. That is, it is desirable that the second area 12 has an empty area where information other than the control information can be recorded.
- the recording capacity of the second area is the recording capacity of the first area (the medium identification information recorded in the first area so that a plurality of control information can be recorded and the spare area 123 can be provided. It is preferable to increase the amount of data).
- Embodiment 3 of the present invention will be described below with reference to FIGS.
- members having the same functions as those shown in the first embodiment are given the same reference numerals, and explanation thereof is omitted.
- the information recording medium 20 according to the third embodiment is different from the first embodiment in order to change the linear density in addition to the first area 21, the second area 22, and the data area 24.
- the third region 23 is provided.
- a first area 21, a third area 23, a second area 22, and a data area 24 are sequentially arranged from the inner circumference side toward the outer circumference side.
- the positional relationship between the regions is not limited to this, and is arbitrary.
- the third area 23 is located between the first area 21 and the second area 22, and is an area for changing the pit length from a low recording linear density to a high recording linear density.
- FIG. 7 shows an example of the pit length of the pits in the third region 23. In the third region 23, as shown in the figure, the channel bit length decreases as the track direction advances.
- the optical disc apparatus can achieve the recording linear density.
- the corresponding playback speed can be easily switched.
- the area of the third region 23 is preferably smaller than the area of the first region 21. This facilitates access to the first area 21 and recognition of the medium identification information.
- the second area 22 is preferably located between the third area 23 and the data area 24.
- the second area 22 is preferably located between the third area 23 and the data area 24.
- the information recording medium 20 according to the third embodiment may also have a plurality of control information recorded in the second area 22 as shown in the second embodiment.
- Embodiment 4 of the present invention will be described with reference to FIGS. 8 to 10 as follows.
- members having the same functions as those shown in the first embodiment are given the same reference numerals, and explanation thereof is omitted.
- the information recording medium 30 has a plurality of recording layers. Other configurations are the same as those in the first embodiment, and the information recording medium 30 includes a first area 31, a second area 32, and a data area 33, as shown in FIG.
- the information recording medium 30 may have two recording layers (L0 layer and L1 layer).
- the medium identification information recorded in the first area 31 includes layer information indicating the number of recording layers of the information recording medium 30, and reference address information indicating the reference address of each area. including.
- the reference address includes each recording layer and either the first address or the last address of each area in the recording layer, or both.
- the medium identification information may be recorded on each recording layer, or may be recorded on any recording layer. As long as recording is performed on each recording layer, the medium identification information can be recognized regardless of which recording layer is accessed by the optical disc apparatus.
- the optical disc apparatus recognizes the medium identification information to thereby record the desired information. Can easily move between layers.
- the optical disc apparatus recognizes the information, thereby identifying the second area 32 and the data. In the area 33, it is possible to easily move to an address where desired information is recorded.
- the information recording medium 30 according to the fourth embodiment may also have a plurality of control information recorded in the second area 22 as shown in the second embodiment. Furthermore, the information recording medium 30 according to the fourth embodiment may also have a third area as shown in the third embodiment.
- the optical disk device 40 is a device that plays back large-capacity information recording media such as the information recording media 10, 20, and 30. That is, the optical disk device 40 is an optical disk device for a large-capacity information recording medium.
- FIG. 11 is a functional block diagram showing a schematic configuration of the optical disc device 40.
- the optical disc apparatus 40 mainly includes a disc loading recognition unit 41, a reproduction circuit group 42, an optical pickup 43, a spindle motor 44, and a control unit 45.
- the optical pickup 43 further includes an optical head 51 and an actuator 52.
- the reproduction circuit group 42 further includes a pickup drive circuit 61, a laser drive circuit 62, a reproduction circuit 63, an actuator drive circuit 64, and a spindle motor drive circuit 65.
- the disk loading recognition unit 41 is for detecting loading and discharging of the information recording medium 10 and the like.
- various sensors can be exemplified as long as the information recording medium 10 and the like can be loaded and discharged. Any sensor may be used.
- the pickup drive circuit 61 is for driving the optical pickup 43.
- the laser drive circuit 62 controls the optical head 51.
- the reproduction circuit 63 converts the reproduction light acquired from the optical head 51 into a reproduction signal.
- the actuator drive circuit 64 drives the actuator.
- the spindle motor drive circuit 65 drives the spindle motor.
- the optical head 51 irradiates the information recording medium 10 with laser light and outputs the reproduction light obtained by reflection from the information recording medium 10 to the reproduction circuit 63.
- the actuator 52 moves the optical head 51.
- the spindle motor 44 rotates the information recording medium 10.
- the control unit 45 controls each unit provided in the optical disc device 40, particularly each unit of the reproduction circuit group 42 in an integrated manner.
- FIG. 12 is a flowchart showing an example of the reproduction process executed by the optical disc apparatus 40.
- a process in which the optical disc apparatus 40 reproduces the information recording medium 10 will be described.
- the spindle motor 44 is set to a reproduction speed corresponding to the recording linear density of the first area 11.
- the optical pickup and the actuator are driven to allow the optical head 51 to access the first area 11 (S1).
- the optical head 51 acquires the reproduction light from the first area 11, and the control unit 45 recognizes the medium identification information of the first area based on the reproduction signal from the reproduction circuit 63 (S2: medium recognition step). Thereby, the control unit 45 recognizes that the recording linear densities of the second area 12 and the data area 13 are high.
- the reproduction speed corresponding to the recording linear density of the second area 12 is set, and the optical head 51 accesses the second area 12 (S3).
- the control unit 45 recognizes the control information of the second area 12 (S4: reproduction step). Then, the control unit 45 determines whether the data area 13 is accessible based on the control information (S5).
- the optical head 51 accesses the data area 13 (S6), and reproduces information (user data) in the data area (S7: reproduction step).
- the reproduction process is terminated. The end of the reproduction process is notified to the user by displaying an error message on the display unit.
- the optical disk device 40 can access the first area 11. This facilitates the recognition of the medium identification information recorded in the first area 11.
- the optical disc apparatus recognizes the medium identification information in the first area 11, and the recording line in the second area 12 by the recognition.
- the reproduction speed is set according to the density, the control information in the second area 12 is recognized, whether the data area 13 is accessible by the recognition, and the data area 13 is accessed in order along the radial direction of the optical disk. can do.
- the control information of the second area 12 may be information for determining whether or not the entire data area 13 is accessible, and is information for determining whether or not access to a specific area of the data area 13 is possible. May be. Further, the control information of the second area 12 may include information for determining whether or not access to a specific area other than the data area 13 is possible.
- the optical disc device 40 recognizes the medium pair identification information in the first area 11, it can recognize that the recording linear densities of the second area 12 and the data area 13 are high, so that the reproduction speed is set according to the recording linear density. Thus, information on those areas can be reproduced accurately.
- the optical head 51 uses the information on the second area and / or data based on the layer information in S6. Move to the layer where the information of the area is recorded.
- the optical head 51 determines the second area information based on the reference address information. And / or move to the address where the information in the data area is recorded.
- the reproducing apparatus for a small-capacity information recording medium reproduces the information recording medium 10
- the medium identification information since the medium identification information is recorded in the first area 11 with a low recording linear density, the medium identification information can be recognized even by a reproducing apparatus for a small-capacity information recording medium.
- the reproducing device for the small-capacity information recording medium recognizes the recording linear densities of the second area 12 and the data area based on the medium identification information.
- the reproducing device for the small-capacity information recording medium does not support the recording linear densities of the second area 12 and the data area, it is determined that the information recording medium 10 cannot be reproduced, and the reproducing process is ended. To do.
- An information recording medium includes a first area including medium identification information indicating a structure of the information recording medium, a data area in which arbitrary user data can be recorded or recorded, and the first area.
- the recording / reproducing apparatus for the information recording medium can easily execute the access to the first area and the recognition of the medium identification information.
- the recording capacity of the second area may be larger than the recording capacity of the first area.
- the recording linear density of the first area may be lower than the recording linear density of the second area.
- the recording capacity of the second area can be increased by making the recording linear density of the second area higher than the recording linear density of the first area.
- An information recording medium includes a first area including medium identification information indicating a structure of the information recording medium, a data area in which user data can be recorded or recorded, the first area, and the data
- the recording / reproducing apparatus for the information recording medium can easily execute the access to the first area and the recognition of the medium identification information.
- An information recording medium reproduction method is a reproduction method for reproducing an information recording medium according to any one of aspects 1 to 4, wherein the medium identification information recorded in the first area is recorded.
- a medium recognizing step for recognizing, and a reproducing step for reproducing information recorded in the second area and / or information recorded in the data area may be included.
- the medium identification information in the first area is recognized, and the desired position in the second area and / or the data area can be accessed based on the information. Can be easily accessed.
- the information recording medium according to Aspect 6 of the present invention is the information recording medium according to Aspect 3, wherein the recording linear density between the first area and the second area is changed from the recording linear density of the first area to the recording line of the second area. You may further have the 3rd area
- the recording / reproducing apparatus for the information recording medium needs to switch the recording / reproducing speed corresponding to the recording linear density.
- the recording / reproducing apparatus can cope with the recording linear density by including the third region in which the recording linear density changes from the recording linear density of the first region to the recording linear density of the second region.
- the playback speed can be easily switched.
- the medium identification information may include layer information indicating the number of layers of the information recording medium.
- the recording / reproducing apparatus for the information recording medium can easily access the layer in which desired information is recorded.
- the second area may include a spare area for future expansion. That is, in the information recording medium according to aspect 8 of the present invention, in the above aspect 2, the second area may include an empty area in which information other than the control information can be recorded.
- the second area 12 can secure a spare area for use in future standard expansion of information recording media.
- a plurality of control information can exist separately, even if one control information is affected by scratches, dirt, etc. There is an effect that it is easy to avoid influence on other control information.
- the area of the third region may be smaller than that of the first region.
- region can fully be ensured with respect to 3rd area
- the second area may be adjacent to the third area and the data area.
- An information recording medium is the information recording medium according to any one of the first to fifth aspects, wherein the medium identification information includes reference address information indicating a reference address of the second area and / or the data area. You may go out.
- the optical disc apparatus after reading the medium identification information, the optical disc apparatus can quickly specify the address for accessing the second area and / or the data area, and can easily access each area. become.
- the information recording medium reproduction method is based on the layer information step of recognizing layer information indicating the number of layers of the information recording medium from the information recording medium, and the layer information.
- the layer information indicating the number of layers of the information recording medium is recognized, and based on the information, the second area and / or the data area of the desired layer can be quickly accessed and recorded.
- the desired information can be easily accessed.
- the layer information may be included in the medium identification information in the first area.
- the medium identification information may include reference address information indicating a reference address of each area of each layer.
- An information recording medium reproducing method is the address recognition step of recognizing reference address information indicating a reference address of the second area and / or the data area from the information recording medium according to aspect 5 above. And, based on the reference address information, an address moving step of moving to an address where information in the second area and / or information in the data area is recorded, information in the second area, and / or And a reproducing step of reproducing the information in the data area.
- the optical disc apparatus accesses the second area and the data area after reading the medium identification information. Address can be designated quickly, and access to each area becomes easy.
- the present invention can be used for an information recording medium such as an optical disc, an optical disc apparatus for reproducing them, and a reproducing method.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
Description
本発明の実施形態1について図1から図3に基づいて説明すると以下の通りである。
まず、本実施形態に係る情報記録媒体の構成について図1および図2に基づいて説明する。図1は、情報記録媒体10の外観の一例を示す図である。また、図2は、情報記録媒体10の半径に対応した断面構造の一例を示す図である。図1に示すように、情報記録媒体10は、中心に開口部を有する円盤形状の光ディスクであり、例えば、Blu-ray(登録商標) Disc(BD)等の光ディスクである。
により、情報記録媒体10が大容量情報記録媒体であることを認識することができ、光ディスク装置が高い記録線密度で記録されている情報の再生および高い記録線密度での記録に対応できない場合に、情報記録媒体10が非対応の光ディスクであることをユーザに時間をかけずに提示することができる。なお、ユーザへの提示に加えて、情報記録媒体10を光ディスク装置から排出する処理を行ってもよい。また、情報記録媒体10を排出する処理だけでもよい。
することができる。
本発明の実施形態2について図4に基づいて説明すると以下の通りである。なお、説明の便宜上、前記の実施の形態1において示した部材と同一の機能を有する部材には、同一の符号を付し、その説明を省略する。
本発明の実施形態3について図5~図7に基づいて説明すると以下の通りである。なお、説明の便宜上、前記の実施の形態1において示した部材と同一の機能を有する部材には、同一の符号を付し、その説明を省略する。
本発明の実施形態4について図8~図10に基づいて説明すると以下の通りである。なお、説明の便宜上、前記の実施の形態1において示した部材と同一の機能を有する部材には、同一の符号を付し、その説明を省略する。
る。
実施形態5では、本発明に係る情報記録媒体の記録・再生を行う光ディスク装置について図11および図12に基づいて説明する。
まず、図11に基づき、実施形態5に係る光ディスク装置40の構成について説明する。光ディスク装置40は、情報記録媒体10、20、30等の大容量情報記録媒体の再生を行う装置である。すなわち、光ディスク装置40は、大容量情報記録媒体用の光ディスク装置である。
て得られた再生光を再生回路63に出力する。アクチュエータ52は、光ヘッド51を移動させるものである。
次に、光ディスク装置40が実行する再生処理について図12に基づいて説明する。図12は、光ディスク装置40が実行する再生処理の一例を示すフローチャートである。ここでは、光ディスク装置40が情報記録媒体10を再生する処理について説明する。
本発明の態様1に係る情報記録媒体は、情報記録媒体の構造を示す媒体識別情報を含む第1領域と、任意のユーザデータが記録可能なまたは記録済みのデータ領域と、前記第1領域と前記データ領域との間に位置する、情報記録媒体上の領域に対する装置のアクセス可否を示す制御情報を含む第2領域と、を有する情報記録媒体であって、前記第1領域の面積は、前記第2領域の面積より大きい。
第1領域と、ユーザデータが記録可能なまたは記録済みのデータ領域と、前記第1領域と前記データ領域との間に位置する、情報記録媒体上の領域に対する装置のアクセス可否を示す制御情報を含む第2領域と、を有する情報記録媒体であって、前記第1領域のトラック数は、前記第2領域のトラック数より多い。
11、21、31 第1領域
12、22、32 第2領域
13、24、33 データ領域
23 第3領域
40 光ディスク装置(再生装置)
123 予備領域
Claims (5)
- 情報記録媒体の構造を示す媒体識別情報を含む第1領域と、ユーザデータが記録可能なまたは記録済みのデータ領域と、前記第1領域と前記データ領域との間に位置する、情報記録媒体上の領域に対する装置のアクセス可否を示す制御情報を含む第2領域と、を有する情報記録媒体であって、
前記第1領域の面積は、前記第2領域の面積より大きいことを特徴とする情報記録媒体。 - 前記第2領域の記録容量は、前記第1領域の記録容量より多いことを特徴とする請求項1に記載の情報記録媒体。
- 前記第1領域の記録線密度は、前記第2領域の記録線密度より低いことを特徴とする請求項1または2に記載の情報記録媒体。
- 情報記録媒体の構造を示す媒体識別情報を含む第1領域と、ユーザデータが記録可能なまたは記録済みのデータ領域と、前記第1領域と前記データ領域との間に位置する、情報記録媒体上の領域に対する装置のアクセス可否を示す制御情報を含む第2領域と、を有する情報記録媒体であって、
前記第1領域のトラック数は、前記第2領域のトラック数より多いことを特徴とする情報記録媒体。 - 請求項1~4の何れか1項に記載の情報記録媒体を再生する再生方法であって、
前記第1領域に記録されている媒体識別情報を認識する媒体認識ステップと、
前記第2領域に記録されている情報、および/または、前記データ領域に記録されている情報を再生する再生ステップと、を含むことを特徴とする再生方法。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10222874A (ja) * | 1997-02-07 | 1998-08-21 | Ricoh Co Ltd | 光情報記録媒体とそのデータ記録方法及び原盤露光方法 |
WO2007100139A1 (ja) | 2006-03-03 | 2007-09-07 | Sharp Kabushiki Kaisha | 光情報記録媒体、該光情報記録媒体の再生装置、該再生装置の制御方法及び制御プログラム、並びに該制御プログラムを記録した記録媒体 |
JP2007272988A (ja) * | 2006-03-31 | 2007-10-18 | Sony Corp | 記録装置、記録方法 |
JP2008140495A (ja) * | 2006-12-04 | 2008-06-19 | Funai Electric Co Ltd | 光ディスク装置 |
WO2010050143A1 (ja) * | 2008-10-27 | 2010-05-06 | パナソニック株式会社 | 情報記録媒体、記録装置および再生装置 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60011958T2 (de) * | 1999-04-28 | 2005-08-25 | Matsushita Electric Industrial Co., Ltd., Kadoma | Optische Platte, optisches Plattenaufzeichnungs- und wiedergabegerät, und Verfahren zur Aufzeichnung und Wiedergabe |
JP2002025199A (ja) * | 2000-07-11 | 2002-01-25 | Sony Corp | 記録装置、記録媒体、再生装置、記録媒体の判別方法 |
JP3920666B2 (ja) * | 2002-03-06 | 2007-05-30 | 三洋電機株式会社 | データ記録制御装置 |
KR20040001596A (ko) * | 2002-06-28 | 2004-01-07 | 삼성전자주식회사 | 재생전용 고밀도 광디스크 및 그 재생 방법 |
EP1548711A4 (en) * | 2002-09-30 | 2009-01-21 | Nec Corp | RECORDING PARAMETER FIXING METHOD AND DATA RECORDER USING THE SAME |
KR100932510B1 (ko) * | 2003-01-24 | 2009-12-17 | 엘지전자 주식회사 | 고밀도 광디스크의 재생속도 정보 관리방법 |
KR20040069750A (ko) * | 2003-01-30 | 2004-08-06 | 삼성전자주식회사 | 광정보 저장 매체 |
WO2005024803A1 (ja) * | 2003-08-29 | 2005-03-17 | Fujitsu Limited | データ再生装置 |
US20050157631A1 (en) * | 2003-12-30 | 2005-07-21 | Samsung Electronics Co., Ltd | Information storage medium and method and apparatus for reproducing information recorded on the same |
JP2006031907A (ja) * | 2004-04-08 | 2006-02-02 | Mitsubishi Electric Corp | 光ディスク、および光ディスク駆動装置 |
JP4510029B2 (ja) * | 2004-10-19 | 2010-07-21 | パナソニック株式会社 | 光学式記録媒体の記録再生方法および記録再生装置 |
JP2007317313A (ja) * | 2006-05-26 | 2007-12-06 | Tdk Corp | 光ディスク、光ディスクの再生方法及びシステム |
KR20080006119A (ko) * | 2006-07-11 | 2008-01-16 | 엘지전자 주식회사 | 기록매체 및 기록매체의 기록방법과 기록장치 |
CN101785055B (zh) * | 2007-08-30 | 2012-05-30 | 夏普株式会社 | 超分辨光学记录介质、光学记录介质再生装置及其控制方法 |
US7821910B2 (en) * | 2007-11-20 | 2010-10-26 | Panasonic Corporation | Optical disc, optical disc drive, optical disc recording/reproducing method, and integrated circuit |
US8305859B2 (en) * | 2007-12-11 | 2012-11-06 | Panasonic Corporation | Information recording medium and information recording medium evaluation method |
JP5030842B2 (ja) * | 2008-04-11 | 2012-09-19 | 株式会社日立製作所 | 多層光記録媒体 |
JP2009271973A (ja) * | 2008-05-01 | 2009-11-19 | Showa Denko Kk | 磁気記録媒体および磁気記録再生装置 |
JP2010086581A (ja) * | 2008-09-30 | 2010-04-15 | Hitachi Ltd | 情報記録媒体および光記録再生装置 |
JP2010267369A (ja) * | 2009-04-16 | 2010-11-25 | Sharp Corp | 光情報記録媒体、光情報記録媒体の再生装置、光情報記録媒体の再生方法及び光情報記録媒体の記録再生方法 |
JP2011014203A (ja) | 2009-07-03 | 2011-01-20 | Sony Corp | 記録可能型光ディスク、記録装置、記録方法、再生装置 |
JP2011070732A (ja) * | 2009-09-25 | 2011-04-07 | Sony Corp | 記録装置、記録方法 |
KR101636875B1 (ko) * | 2009-10-26 | 2016-07-06 | 삼성전자주식회사 | 정보 저장 매체, 기록 재생 장치 및 기록 재생 방법 |
JP2011170921A (ja) * | 2010-02-19 | 2011-09-01 | Pioneer Electronic Corp | 光ディスク装置、光ディスク再生方法、光ディスク再生プログラムおよび光ディスク再生プログラムを格納した記録媒体 |
JP5147879B2 (ja) * | 2010-03-05 | 2013-02-20 | 日立コンシューマエレクトロニクス株式会社 | 光ディスク、光ディスク装置、情報記録方法、および情報再生方法 |
CN108511007B (zh) * | 2013-06-14 | 2020-05-15 | 夏普株式会社 | 信息记录介质及其再生方法 |
-
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- 2016-07-07 US US15/204,028 patent/US9653106B2/en active Active
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- 2017-02-03 JP JP2017019033A patent/JP6618491B2/ja not_active Expired - Fee Related
- 2017-04-04 US US15/478,259 patent/US9865295B2/en not_active Expired - Fee Related
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-
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- 2019-02-05 JP JP2019018908A patent/JP6600431B2/ja not_active Expired - Fee Related
- 2019-03-08 US US16/296,362 patent/US10354688B1/en not_active Expired - Fee Related
- 2019-10-04 JP JP2019183898A patent/JP2020017334A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10222874A (ja) * | 1997-02-07 | 1998-08-21 | Ricoh Co Ltd | 光情報記録媒体とそのデータ記録方法及び原盤露光方法 |
WO2007100139A1 (ja) | 2006-03-03 | 2007-09-07 | Sharp Kabushiki Kaisha | 光情報記録媒体、該光情報記録媒体の再生装置、該再生装置の制御方法及び制御プログラム、並びに該制御プログラムを記録した記録媒体 |
JP2007272988A (ja) * | 2006-03-31 | 2007-10-18 | Sony Corp | 記録装置、記録方法 |
JP2008140495A (ja) * | 2006-12-04 | 2008-06-19 | Funai Electric Co Ltd | 光ディスク装置 |
WO2010050143A1 (ja) * | 2008-10-27 | 2010-05-06 | パナソニック株式会社 | 情報記録媒体、記録装置および再生装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3010020A4 * |
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