WO2006013822A1 - 情報記録媒体、情報記録装置及び方法、並びにコンピュータプログラム - Google Patents
情報記録媒体、情報記録装置及び方法、並びにコンピュータプログラム Download PDFInfo
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- WO2006013822A1 WO2006013822A1 PCT/JP2005/014043 JP2005014043W WO2006013822A1 WO 2006013822 A1 WO2006013822 A1 WO 2006013822A1 JP 2005014043 W JP2005014043 W JP 2005014043W WO 2006013822 A1 WO2006013822 A1 WO 2006013822A1
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- information recording
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- recording
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Classifications
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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
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
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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
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
- G11B20/00326—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being embossed on the record carrier
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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
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/0042—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the copy protection scheme being related to a specific access protection standard
- G11B20/00442—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the copy protection scheme being related to a specific access protection standard content protection for recordable media [CPRM]
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
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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
- G11B2020/1259—Formatting, e.g. arrangement of data block or words on the record carriers on discs with ROM/RAM areas
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/211—Discs having both read-only and rewritable or recordable areas containing application data; Partial ROM media
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/7921—Processing of colour television signals in connection with recording for more than one processing mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
Definitions
- Information recording medium information recording apparatus and method, and computer program
- the present invention relates to an information recording medium and method such as an information recording medium such as a DVD, for example a DVD recorder, and a technical field of a computer program that causes a computer to function as such an information recording device.
- a recordable recording area similar to a recordable optical disk such as CD-R and DVD-R and a reproduction-only optical disk similar to a read-only optical disk such as CD-ROM and DVD-ROM.
- Hybrid type optical discs that have a recording area divided into an outer peripheral area and an inner peripheral area of a single optical disc have been proposed and are being developed.
- this hybrid optical disc has been put to practical use as an optical disc compatible with CPRM (Content Protection for Prerecorded Media) for the purpose of protecting the copyright of content.
- CPRM Content Protection for Prerecorded Media
- an encryption key for encrypting content data is recorded in advance in a recording area dedicated for playback as an emboss pit, and the content data can be recorded using the encryption key. It is configured to record in the recording area.
- DVD-ROM and other information-only recording media can illegally duplicate content data, an encryption key can be recorded in the playback-only recording area.
- a read-only recording area and a recordable recording area are clearly separated.
- a read-only recording area is The recording area is provided on the relatively outer peripheral side of the optical disc. For this reason, the technical problem is that the data recorded in the recordable area cannot be recorded at the optimum recording position in association with the data recorded in the reproduction-only recording area. Have it.
- the present invention has been made in view of, for example, the conventional problems described above.
- an information recording medium, an information recording apparatus, and a computer capable of suitably recording and reproducing data can be used as described above. It is an object of the present invention to provide a computer program that functions as a simple information recording device.
- an information recording medium of the present invention has a first data area in which first data having a format conforming to a predetermined format is recorded in advance, and a format conforming to the predetermined format.
- the first data in a format conforming to a predetermined format is recorded in advance in the first data area.
- the first data may be set to be rewritable (or playback only) or set to be rewritable (or overwritable).
- second data that is used complementarily with the first data in order to reproduce predetermined content data is recorded. This second data is particularly preferably recorded by the user of the information recording medium.
- the second data area is suitably arranged with respect to the first data area so as to comply with a predetermined format
- the first data recorded in advance in the first data area and the second data area Can be properly associated with the second data to be recorded. Therefore, the first data and the second data can be combined more suitably, and desired content data conforming to a predetermined format can be reproduced.
- the user of the information recording medium can recognize the first format while being aware of the predetermined format. There is no need to record data. That is, in order to record the desired content data, the user need only record the second data in the second data area. Therefore, for example, it is not necessary for the user to author the information recording medium, and the burden on the user regarding creation of the information recording medium on which the content data is recorded (that is, recording of the content data) can be reduced.
- the second data can be suitably recorded while being appropriately associated with the first data recorded in advance, and the information recording medium on which the content data is recorded can be obtained.
- the burden required for creation can be reduced.
- One aspect of the information recording medium of the present invention further includes a position information area for recording position information indicating the position of the second data area.
- the position of the second data area can be recognized relatively easily by referring to the position information. Therefore, the second data can be suitably recorded in the second data area based on the position information.
- the second data area is arranged in the first data area while conforming to the predetermined format.
- the second data area is arranged in the first data area, it is possible to reduce the time required for the operation of alternately seeking and searching the first data and the second data. .
- the second data area includes a dummy area for recording dummy data at a boundary with the first data area.
- the second data area has a data size that is an integer multiple of a minimum recording unit.
- the second data can be recorded and rewritten for each recording unit.
- Another aspect of the information recording medium of the present invention includes a plurality of the second data areas.
- the second data that can be combined with the first data can be recorded in a larger amount and more preferably in association with the first data.
- desired content data can be reproduced.
- each of the plurality of second data areas is discretely or continuously arranged in the first data area while conforming to the predetermined format.
- the second data can be suitably recorded at a desired recording position in association with the first data recorded in advance in the first data area. Therefore, the first data and the second data can be combined more suitably, and desired content data can be reproduced.
- the first data and the second data are predetermined applications for performing at least one of recording and reproduction of the content data conforming to the predetermined format. Recorded in compliance with.
- the first data and the second data are recorded in a predetermined format compliant with the first application. Therefore, for example, the arrangement of the first data area and the second data area can be optimized according to the use of the first application (or a predetermined format that the first application complies with).
- the predetermined format is a DVD-Video format
- the first application is a DVD-Video application
- the second data is at least one of moving image data, audio data, and still image data. Including one.
- DVD-Video content (that is, content data) configured by combining each of the first data and the second data is suitably reproduced by the operation of the DVD-Video application. be able to. Then rewrite the second data as appropriate.
- various DVD-Video contents with different videos and various DVD-Video contents with different audio contents and various DVD-Video contents with different still images can be played.
- content data (that is, DVD-Video content) in a manner desired by the user can be reproduced.
- the predetermined format is a DVD-VR format
- the first application is a DVD-VR application
- the second data includes moving image data, audio data, and still image data. Including at least one.
- DVD-VR content (that is, content data) configured by combining each of the first data and the second data is suitably reproduced by the operation of the DVD-VR application.
- the second data is appropriately rewritten, for example, various DVD-VR contents with different moving images, various DVD-VR contents with different sounds, and various DVD-VR contents with different still images can be reproduced.
- the predetermined format is a format used for slide show playback of still images
- the first application is a slide show application capable of executing slide show playback of the still images
- the second data includes still image data.
- slideshow reproduction using a plurality of still image data can be executed by combining each of the first data and the second data by the operation of the slideshow application. If the second data is appropriately rewritten, for example, the desired still image data can be reproduced as a slide show in a desired order, for example.
- Another aspect of the information recording medium of the present invention further includes a third data area in which the second data recorded in the second data area is recorded in advance.
- the second data recorded in advance in the third data area can be recorded in the second data area.
- desired second data can be selected and recorded in the second data area. For this reason, the aspect of the content data to be played is changed to a wide variety. It becomes pretty.
- Another aspect of the information recording medium of the present invention further includes an application area for recording a second application capable of reproducing the second data recorded in advance in the third data area.
- the second data can be reproduced alone without recording the second data in the second data area. Therefore, the second data can be used more effectively.
- an information recording apparatus of the present invention is an information recording apparatus for recording at least the second data on the above-described information recording medium of the present invention (including various aspects thereof), Acquisition means for acquiring the second data, and recording means for recording the acquired second data in the second data area.
- the information recording apparatus of the present invention it is possible to acquire the second data (preferably, the desired second data) by the operation of the acquisition unit. Then, the obtained second data is recorded in the second data area (preferably, the desired second data area) by the operation of the recording means. Therefore, the second data can be suitably recorded on the information recording medium according to the present invention described above. As a result, it is possible to receive the same benefits as various benefits of the information recording medium according to the present invention.
- the information recording apparatus of the present invention can also adopt various aspects.
- the information recording medium further includes a position information area for recording position information indicating a position of the second data area, Further comprises recognition means for recognizing the position of the second data area by referring to the position information, and the recording means refers to the position of the recognized second data area while referring to the second data area. Record the data.
- the position of the second data area can be recognized relatively easily by referring to the position information. Therefore, it is possible to record the second data suitably.
- the recording means includes the second data area. Dummy data is recorded at the boundary with the first data area.
- the second data can be recorded so that each of the first data and the second data can be suitably read.
- the information recording medium further includes a third data area in which the second data recorded in the second data area is recorded in advance,
- the acquisition means acquires the second data from the third data area.
- the second data recorded in advance in the third data area can be acquired and recorded in the second data area.
- desired second data can be acquired and recorded in the second data area. For this reason, it is possible to change the aspect of the content data to be reproduced in various ways.
- the acquisition unit acquires the second data by using an external recording medium force in which the second data is recorded in advance.
- the second data has a format compliant with the predetermined format and is recorded on the external recording medium. It may be configured as follows.
- the second data acquired from the external recording medium force can be recorded in the second data area without performing special processing such as format conversion. Accordingly, it is possible to further reduce the burden on the user who records the content data.
- the predetermined format is a DVD-Video format
- the recording means includes at least moving image data, audio data, and still image data as the second data. Record one.
- DVD—Video content ie, content data
- the second data is appropriately rewritten by the operation of the recording means, for example, various DVD-Video contents with different videos and various DVD-Video contents with different audio can be played back. can do.
- the predetermined format is a DVD-VR format
- the recording means includes moving image data, audio data, and still image data as the second data. Record at least one of
- DVD-VR content ie, content data
- content data that is, DVD-VR content
- the second data is appropriately rewritten by the operation of the recording means, for example, various DVD-VR contents with different videos and various DVD-VR contents with different sounds and various DVD-VR contents with different still images can be reproduced.
- content data that is, DVD-VR content
- the predetermined format is a format used for slide show reproduction of a still image
- the recording means uses at least still image data as the second data. Record.
- an information recording method of the present invention is an information recording method of recording the second data on the above-described information recording medium of the present invention (including various aspects thereof). (2) an acquisition step of acquiring data, and the acquired second data is converted into the first data A recording process for recording in two data areas.
- the information recording method according to the present invention can also adopt various aspects.
- the property information includes a layer identification flag indicating an identification number of each recording layer, and the layer identification flag is displayed in the acquisition step.
- the recording information is recorded in a desired recording layer among the plurality of recording layers based on the acquired layer identification flag.
- each of the plurality of recording layers can be identified based on the layer identification flag. Therefore, even when the laser beam is focused to an unintended recording layer by mistake, for example, it can be relatively easily and quickly (or immediately or instantaneously) focused on the wrong recording layer. To be able to recognize. Alternatively, it is possible to appropriately focus on the recording layer that should be focused from the start of the recording operation. Thereby, it is possible to suitably record recording information on a desired recording layer even on an information recording medium having a plurality of recording layers.
- a computer program causes a computer to function as at least a part of the above-described information recording apparatus (including various forms thereof). Specifically, the computer is caused to function as at least a part of the acquisition unit and the recording unit.
- the computer program of the present invention if the computer program is read from a recording medium such as a ROM, a CD-ROM, a DVD-ROM, and a hard disk that stores the computer program and then executed by the computer, Alternatively, if the computer program is downloaded to a computer via communication means and then executed, the above-described information recording apparatus of the present invention can be realized relatively easily.
- a computer program product in a computer-readable medium is a program instruction that can be executed by a computer provided in the above-described information recording apparatus (including various aspects thereof). Is clearly implemented, and the computer is caused to function as at least part of the acquisition means and the recording means.
- the computer program product of the present invention if the computer program product is read into a computer from a recording medium such as a ROM, CD-ROM, DVD-ROM, or hard disk storing the computer program product, or
- a recording medium such as a ROM, CD-ROM, DVD-ROM, or hard disk storing the computer program product
- the computer program product which is a transmission wave
- the computer program product which is a transmission wave
- the computer program product may comprise a computer readable code (or computer readable instruction) that functions as the information recording apparatus of the present invention described above.
- the first data area in which the first data is recorded in advance and the second data area in which the second data is recorded are provided. Therefore, it is possible to record the second data while appropriately associating with the first data recorded in advance, and it is possible to reduce the burden required for creating the information recording medium on which the content data is recorded.
- the acquisition unit and the recording unit, or the acquisition step and the recording step are provided. Therefore, the second data can be suitably recorded on the information recording medium according to the present invention.
- FIG. 1 is a schematic plan view showing a basic structure of an optical disc according to an embodiment of an information recording medium of the present invention, and a schematic plan view showing the structure of an optical disc having a plurality of areas on the upper side. Further, the area structure in the radial direction is shown in the lower side in association with the conceptual diagram.
- FIG. 2 is an explanatory diagram conceptually showing recording areas further subdivided in the user data area of the optical disc in the embodiment.
- FIG. 3 is an explanatory diagram conceptually showing a mode in which still image data is recorded in a rewritable area provided in the optical disc in the embodiment.
- FIG. 4 is an explanatory diagram conceptually showing the basic structure of a slide show.
- FIG. 5 is an explanatory diagram conceptually showing a dummy area provided on the optical disc 100 in the example.
- FIG. 6 is an explanatory diagram conceptually showing a specific data structure of an information recording medium according to a modification.
- FIG. 7 is a block diagram of an information recording / reproducing apparatus and a host computer as an embodiment according to the information recording apparatus of the present invention.
- FIG. 8 is a flowchart conceptually showing a flow of the entire recording operation of the information recording / reproducing apparatus in the example.
- FIG. 9 is an explanatory diagram conceptually showing a recording operation according to a modification.
- FIG. 10 is a flowchart conceptually showing a flow of a recording operation according to a modification.
- FIG. 1 shows a schematic plan view of the structure of an optical disc having a plurality of areas on the upper side, and shows a conceptual diagram of the area structure in the radial direction on the lower side.
- the optical disc 100 can record data a plurality of times or only once by various recording methods such as a magneto-optical method and a phase change method.
- a lead-in area 104, a user data area 106, and a lead-out area 108 are provided on the recording surface of the disc main body having a diameter of about 12 cm, as in the case of the DVD, with the center hole 102 as the center and toward the outer periphery.
- a groove track GT and a land track LT are provided alternately in a spiral shape or a concentric shape centering on the center hole 102, and even if this groove track GT is overwhelmed.
- prepits may be formed on one or both of these tracks.
- the present invention is not particularly limited to the optical disc having such three areas.
- the file structure described below can be constructed. Further, the lead-in area 104 and the lead-out area 108 may be further subdivided.
- the optical disc 100 according to the present embodiment is not limited to an optical disc having a single recording layer, and is a two-layer single side (ie, dual layer) or a double-layer double side (ie, dual layer double side). Also good. Furthermore, it is not limited to an optical disc having two recording layers, and may be a multilayer optical disc having three or more layers! /.
- FIG. 2 is an explanatory diagram conceptually showing the recording area further subdivided in the user data area 106 of the optical disc according to the present embodiment.
- FIG. 3 shows still image data in the rewritable area. It is explanatory drawing which shows notionally the aspect recorded.
- the user data area 106 is provided with a file system, a DVD-Video file area 111, a still image data area 112, and a position data area 113.
- the file system includes various control information used for reproducing various data (or various files) recorded on the optical disc 100.
- the DVD-Video file area 111 is a recording area for recording a DVD-Video file used for reproducing DVD-Video content.
- This DVD—Vid eo file area 111 is a DVD—Video file as shown in the middle of FIG. 2, for example, as VTSI (Video Title Set Information) ⁇ VTSM—VOBS (Video Object Set for VTS Menu), VTSTT— VOBS (Video Object Set for Titles in VTS) and VTSI-B UP (VTSI Back Up) are recorded.
- VTSI Video Title Set Information
- VTSM VOBS
- VTSTT Video Object Set for Titles in VTS
- VTSI-B UP VTSI Back Up
- the VTSTT-VOB that is the substance of the DVD-Video content to be played back includes a navigation pack including a video pack, an audio pack, and the like. Therefore, for example, these packs and the like are read by an information recording / reproducing apparatus described later, and DVD-Video content is reproduced.
- a part of the recording area where the VTSTT—VOB is recorded (that is, part of the DVD—Video file area 111) can be rewritten so that the data recorded therein can be rewritten.
- Area 122 is provided.
- predetermined data may be recorded in a rewritable state in advance, or data may be recorded.
- the above-mentioned navigation packs, video contents and audio contents recorded in some other recording areas are recorded in a non-rewritable state (or in a reproduction-only state) by, for example, embossed pits or pre-record marks.
- the rewritable area 122 constitutes one specific example of the “second data area” in the present invention
- the recording area other than the rewritable area 122 in the DVD-Video file area 111 is in the present invention. It constitutes a specific example of “First Data Area”.
- Each file recorded in advance in the DVD-Video file area 111 constitutes a specific example of “first data” in the present invention.
- the rewritable area 122 preferably has a data size that is an integral multiple of one ECC block (or one sector), for example! /.
- the still image data area 112 constitutes a specific example of the "third data area” in the present invention.
- still image data such as JPEG data and bitmap data (that is, the "third data area” in the present invention).
- This is a recording area for recording (one specific example) of “2 data”.
- the still image data is read from the still image data area 112 by an operation of an information recording / reproducing apparatus described later, and then recorded in the rewritable area 122 provided in the DVD-Video file area 111.
- the still image data recorded in the still image data area 112 may be recorded in an unrewritable state by, for example, embossed pits or pre-record marks, or formed by irradiating laser light, for example. It may be recorded in a rewritable state with a recording mark.
- the position data area 113 constitutes one specific example of the "position information area" in the present invention, and is an address that can specify the position of the rewritable area 122 provided in the DVD-Video file area 111.
- This is a recording area for recording information and the like.
- This address information or the like may indicate, for example, the address position (or offset address value, etc.) of the rewritable area 122, or may indicate the track number of the rewritable area 122, for example. If there are a plurality of rewritable areas 122, the positions of the plurality of rewritable areas 122 are indicated by address information or the like. Further, the address information and the like recorded in the position data area 113 may be recorded in an unrewritable state by, for example, embossed pits or pre-record marks.
- still image data recorded in the still image data area 112 by a recording operation of an information recording / reproducing apparatus described later is an example.
- it is recorded as a sub-picture pack.
- still image data # 1 is recorded in the rewritable area 122a
- still image data # 2 is recorded in the rewritable area 122b
- still image data # 3 is recorded in the rewritable area 122c.
- Still image data # 4 is recorded in area 122d.
- the still image data # 2 is recorded again in the rewritable area 122a, and the rewritable area.
- Still image data # 4 may be recorded in 122b, still image data # 1 may be recorded in rewritable area 122c, and still image data # 3 may be recorded in rewritable area 122d. That is, desired still image data can be recorded in the rewritable area 122 and can be rewritten.
- the positions of these rewritable areas 122a to 122d on the optical disc 100 are specified by the address information recorded in the position data area 113.
- the location of rewritable area 122a is identified by referring to address information # 1
- the location of rewritable area 122b is identified by referring to address information # 2
- address information # 3 is referenced.
- Is used to specify the position of the rewritable area 122c, and the address information # 4 is referred to specify the position of the rewritable area 122d.
- still image data is recorded in the rewritable area 122, it can be reproduced as a DVD-Video content including the still image data. Since various data other than the still image data (for example, navigation pack, video pack, audio pack, VTSI, VTSM-VOBS, VTSI-BUP, etc.) are recorded in advance, there is no need for the user to record them. In other words, if the user purchases such an optical disc 100, the user need not perform authoring in order to create the optical disc 100 on which desired DVD-Video content is recorded. As a result, the burden on the user when recording DVD-Video content on the optical disc 100 can be greatly reduced, and the time required for data recording can be greatly reduced. This is realized because there is a mixture of both the read-only (that is, non-rewritable) recording area and the rewritable recording area, as in the optical disc 100 according to this embodiment. It can be done.
- various data other than the still image data for example, navigation pack, video pack, audio pack, VTSI,
- the present invention is not limited to the mode of recording still image data in the rewritable area 122.
- other data such as a navigation pack (or script data or program used for reproducing a DVD-Video file) Data, file system, etc.) may be recorded in the rewritable area 122.
- a navigation pack or script data or program used for reproducing a DVD-Video file
- file system etc.
- Benefits such as reducing the burden required for authoring as described above can be obtained.
- a format image file that is, a file having a format as a format
- other data that is actually played back for example, video data, audio data, If the optical disc 100 can record (rewrite) still image data or the like
- the above-described various benefits can be enjoyed.
- DVD-VR format for real-time recording is acceptable.
- it may be an optical disc that can play back a slide show of still images. That is, if the application format for executing a slide show is recorded in a recording area other than the rewritable area 122 and recorded in advance in a format for executing a slide show, By recording image data, it is possible to execute a slide show using the still image data (or data obtained by converting still image data into MPEG I-pictures, etc.).
- the data for defining the basic configuration of the slide show (for example, the basic configuration of the menu screen and the sub menu screen shown in FIG. 4) using an emboss pit, etc., is a format for executing the slide show.
- a format for executing the slide show are recorded in advance.
- data that defines a basic configuration that has multiple menu screens with six submenu screens that can play back 99 still images as a slideshow (so-called data as a framework) is used to execute a slideshow.
- the still images actually used in the slide show are recorded in the rewritable area 122 as still image data by the user.
- the second and third menu screens will be created sequentially. Further, if still image data or the like is not yet recorded, a default image recorded in advance as initial data may be displayed on the first menu screen or the like. Therefore, the user can relatively easily create the optical disc 100 capable of executing slide show reproduction using a desired still image without performing authoring processing or the like.
- optical disc 100 For example, if the optical disc 100 according to the present embodiment is applied to game software or the like, different data (files) are stored in the rewritable area 122 according to, for example, stage clear or game clear. If recorded, the user can enjoy a wide variety of game scenes by playing games based on different scenarios, starting to advance to a bonus stage, etc., or viewing different ending screens. .
- FIG. 5 is an explanatory diagram conceptually showing a dummy area provided on the optical disc 100 according to the present embodiment.
- the rewritable area 122 is a recording area other than the rewritable area 122. It is preferable that a dummy area 122a having a size of, for example, 1 ECC block (for example, a size of 32 KB) is provided at a boundary portion between the two and the boundary. Still image data and the like are preferably recorded in units of ECC blocks. In the dummy area 122a, predetermined dummy data (for example, “OOh” data) is preferably recorded instead of still image data.
- predetermined dummy data for example, “OOh” data
- the rewritable area 122 may not be able to record data a plurality of times, but may be able to record data only once, for example, DV D-R.
- various data recorded in the recording area other than the above-mentioned rewritable area 122 can be rewritten even if they are not recorded in a non-rewritable state. It may be recorded in any state. That is, the entire power of the optical disc 100 may be able to record data only once, such as DVD-R or DVD + R, or DVD-RW, DVD + RW, DVD-RAM, etc. You can record multiple times like
- FIG. 6 is an explanatory diagram conceptually showing a specific data structure of the information recording medium according to the modification.
- the optical disc 101 is also provided with a file system, a DVD-Video file area 111, a still image data area 112, and position data 113 in the user data area 106. ing.
- the data structure in the DVD-Video file area 111 is also the same as the data structure shown in FIG.
- the user data area 106 is provided with a still image reproduction application area 114.
- the still image playback application area 114 the still image data recorded in the still image data area 112 is played back (or displayed) alone.
- Still image playback application that can be recorded). That is, the still image playback application constitutes a specific example of the “second application” in the present invention! /,
- the still image data recorded in the still image data area 112 is recorded in the rewritable area 122 by the operation of a DVD recorder or the like as one specific example of the information recording / reproducing apparatus, the still image is recorded. DVD with data—Video content can be played.
- the optical disc 100 is loaded onto a PC or the like, the still image playback application recorded in the still image playback application area 114 is executed, so that still image data can be played back alone. it can. That is, one still image data can be used for two different purposes, and still image data can be used efficiently.
- FIG. 7 is a block diagram of the information recording / reproducing apparatus and the host computer according to the present embodiment.
- the information recording / reproducing apparatus 300 has a function of recording record data on the optical disc 100 and a function of reproducing the record data recorded on the optical disc 100.
- the information recording / reproducing apparatus 300 includes an optical disc 100, a spindle motor 351, an optical pickup 352, a signal recording / reproducing means 353, a CPU (drive control means) 354, a memory 355, and data input / output.
- a control means 306 and a bus 357 are provided.
- the host computer 400 includes a CPU 359, a memory 360, an operation Z display control unit 307, an operation button 310, a display panel 311, and a data input / output control unit 308.
- the spindle motor 351 rotates and stops the optical disc 100, and operates when accessing the optical disc 100. More specifically, the spindle motor 351 rotates the optical disc 100 at a predetermined speed while receiving spindle servo from a servo unit (not shown). And configured to stop.
- the optical pickup 352 includes, for example, a semiconductor laser device and a lens in order to perform recording / reproduction on the optical disc 100. More specifically, the optical pickup 352 irradiates the optical disc 100 with laser light at the first power as reading light at the time of reproduction, and irradiates the recording light at the second power with modulation at the second power at the time of recording.
- the signal recording / reproducing means 353 constitutes a specific example of “recording means” and “acquiring means” in the present invention, and controls the spindle motor 351 and the optical pickup 352 to control the optical disk 100. Record and play back. More specifically, the signal recording / reproducing means 353 includes, for example, a laser diode (LD) driver and a head amplifier. A laser diode driver (LD dryer) drives a semiconductor laser (not shown) provided in the optical pickup 352. The head amplifier amplifies the output signal of the optical pickup 352, that is, the reflected light of the laser light, and outputs the amplified signal.
- LD laser diode
- a laser diode driver LD dryer
- the head amplifier amplifies the output signal of the optical pickup 352, that is, the reflected light of the laser light, and outputs the amplified signal.
- the signal recording / reproducing means 353 determines the optimum laser power by the OPC pattern recording and reproduction processing together with a timing generator (not shown) under the control of the CPU 354 during the OPC (Optimum Power Control) processing.
- a semiconductor laser (not shown) provided in the optical pickup 352 is driven so that it can be performed.
- the memory 355 includes general data processing and OPC in the information recording / reproducing apparatus 300 such as a buffer area for recording / reproducing data and an area used as an intermediate buffer when converted to data used by the signal recording / reproducing means 353. Used in processing.
- the memory 355 has a program for operating as a recorder device, that is, a ROM area in which firmware is stored, a buffer for temporarily storing recording / playback data, a variable necessary for the operation of the firmware program, and the like.
- the RAM area to be stored is configured.
- the CPU (drive control means) 354 is connected to the signal recording / reproducing means 353 and the memory 355 via the bus 357, and controls the entire information recording / reproducing apparatus 300 by giving instructions to various control means. I do. Usually, software or firmware for operating the CPU 354 is stored in the memory 355.
- the data input / output control means 306 controls external data input / output with respect to the information recording / reproducing apparatus 300, and stores and retrieves data in / from the data buffer on the memory 355.
- information The drive control command issued from the external host computer 400 (hereinafter referred to as a host as appropriate) is connected to the recording / reproducing apparatus 300 via an interface such as SCSI or ATAPI. Via CPU354. Similarly, the recorded / reproduced data is exchanged with the host computer 400 via the data input / output control means 306.
- Operation Z display control means 307 receives and displays an operation instruction for the host computer 400, and transmits an instruction by the operation button 310 such as recording or reproduction to the CPU 359, for example.
- the CPU 359 transmits a control command (command) to the information recording / reproducing apparatus 300 via the data input / output means 308 based on the instruction information from the operation Z display control means 307, and controls the entire information recording / reproducing apparatus 300. Control.
- the CPU 359 can transmit a command requesting the information recording / reproducing apparatus 300 to transmit the operation state to the host computer 400.
- the CPU 359 can display the information recording / reproducing apparatus 300 on the display panel 311 such as a fluorescent tube or LCD via the operation Z display control means 307.
- the operating status can be output.
- the memory 360 is an internal storage device used by the host computer 400.
- a ROM area in which a firmware program such as BIOS (Basic Input / Output System) is stored, an operating system, an operation of an application program, etc.
- BIOS Basic Input / Output System
- the RAM area that stores the necessary variables is also configured. Also, it is not shown in the figure via the data input / output control means 308, and may be connected to an external storage device such as a node disk.
- One specific example of using the information recording / reproducing apparatus 300 and the host computer 400 in combination as described above is a household device such as a recorder device that records and reproduces video.
- This recorder device is a device that records video signals from broadcast receiver tuners and external connection jacks on a disc, and outputs the video signals reproduced from the disc to an external display device such as a television.
- the program stored in the memory 360 is executed by the CPU 359 to operate as a recorder device.
- the information recording / reproducing apparatus 300 is a disk drive (hereinafter referred to as a drive as appropriate)
- the host computer 400 is a personal computer workstation.
- Host computer such as a personal computer 40 0 and the disk drive are connected via data input / output control means 306 and 308 such as SCSI and ATAPI, and control application disk drives such as writing software installed in the host computer 400.
- FIG. 8 is a flowchart conceptually showing the flow of the entire recording operation.
- the recording operation described here relates to an operation for recording still image data or the like in the rewritable area 122, for example.
- the optical disc 100 is loaded onto the information recording / reproducing apparatus 300, and a disc check is performed under the control of the CPU 354 (step S101). That is, for example, control information necessary for data recording is acquired, or OPC processing is performed.
- step S102 address information and the like recorded in the position data area 113 are acquired.
- address information relating to the rewritable area 122 from which still image data or the like is to be recorded is selectively acquired.
- the information recording / reproducing apparatus 300 can recognize the position of the rewritable area 122 on the optical disc 100.
- step S 103 under the control of the CPU 354, still image data and the like stored in the still image data area 112 are acquired.
- the still image data etc. to be recorded are acquired selectively.
- step S102 the still image data acquired in step S102 is recorded in the rewritable area 122 indicated by the address information acquired in step S102 (step S104).
- step S 105 If it is determined that the process has not been completed (step S 105: No), the process returns to step S 102 again, and recording of still image data or the like in the rewritable area 122 is continued. . [0122] On the other hand, if it is determined that the recording has been completed (step S105: Yes), the recording operation is completed, and finalization processing / file system update may be performed as necessary. May be ejected from the information recording / reproducing apparatus 300.
- still image data or the like can be suitably recorded in the rewritable area 122 provided in the optical disc 100 according to the present embodiment.
- DVD-Video content can be created in a relatively short time without the need for user authoring.
- the recording operation shown in FIG. 8 may be changed as appropriate in accordance with the various recording modes mentioned in the description of the optical disc 100 described above.
- the playback operation may be changed as appropriate in accordance with the various recording modes mentioned in the description of the optical disc 100 described above.
- the still image playback application area 114 is provided and the optical disc 100 is played back
- the still image playback application is read into the CPU 359 on the host computer 400 and the still image data area 112 is loaded. Recorded still image data can be played back alone!
- FIG. 9 is an explanatory diagram conceptually showing the recording operation according to the modification
- FIG. 10 is a flowchart conceptually showing the flow of the recording operation according to the modification.
- a recording operation mode in which still image data (or including still image data) recorded on an external recording medium such as a node disc is recorded on the optical disc 100a. is there.
- a recording operation for recording a file related to a slide show will be described as an example.
- the information recording / reproducing apparatus 300 records data (files) recorded on an external recording medium such as a hard disk on an optical disc 100a.
- This hard disk is provided in the host computer 400, for example. However, it may be provided in the information recording / reproducing apparatus 300, or may be provided in a device other than these.
- Image data in a format compliant with the slide show application is recorded in advance on the hard disk. That is, image data authored according to the slide show application is recorded. In particular, a part of the recording area where the image data is recorded is set as the above-described rewritable area 122 so that the user can record desired still image data.
- the user can record the entire image data on the optical disc 100a, and the user can execute a slide show using the desired still image data.
- a possible optical disc 100a can be generated.
- the still image data may be recorded on a hard disk, or may be recorded on a removable recording medium such as a memory card.
- step S201 it is first determined whether or not to generate new image data on the hard disk under the control of the CPU 359. That is, it is determined whether existing image data existing on the hard disk is to be edited or image data is newly generated and edited.
- the existing image data may be recorded (generated) on the hard disk by the user, or may be previously recorded on the hard disk. Alternatively, it may be automatically generated and recorded when the slide show application is recorded on the hard disk of the host computer 400 in order to execute the slide show.
- step S 201 If it is determined that new image data should not be generated as a result of this determination (step S 201: No), then which image data on the hard disk is edited under the control of the CPU 359 Is selected (step S202). After that, it is selected in step S202. It is set in which recording position of the recorded image data the still image data or the like is recorded (step S203). That is, it is selected which one of the rewritable areas 122 set on the selected image data is to be recorded with still image data. Then, it progresses to step S208.
- Step S 204 the file for creating image data is read (Step S 204), and the image data framework is set. Is done. For example, the type of menu screen shown in FIG. 4 (for example, the configuration of the menu screen, the number of submenu screens, etc.) is selected (step S205), and the background of the menu screen (for example, the menu screen is displayed). The background image at that time, the background image when the user is reproducing the desired still image data, and the like are selected (step S206). In this way, new image data is generated.
- the type of menu screen shown in FIG. 4 for example, the configuration of the menu screen, the number of submenu screens, etc.
- the background of the menu screen for example, the menu screen is displayed.
- the background image at that time, the background image when the user is reproducing the desired still image data, and the like are selected (step S206). In this way, new image data is generated.
- step S207 still image data recorded on the image data (that is, recorded in the rewritable area 122 in the image data area) is selected. Thereafter, the still image data selected in step S207 is recorded in the rewritable area 122 set in step S203 (step S207). At this time, various processing such as conversion of the size of the still image data may be performed so that the still image data fits suitably in the rewritable area.
- step S209 it is determined whether or not the editing of the image data (that is, recording of still image data) has been completed.
- step S209: No if it is determined that editing has not been completed (step S209: No), the process returns to step S207 again and recording of still image data is continued. On the other hand, if it is determined that the editing is completed and V (step S209: Yes), for example, the edited image data is saved (recorded) on the node disk. Subsequently, it is determined whether or not this image data (or a part thereof) is recorded on the optical disc 100a (step S210).
- step S210: No if it is determined not to record to the optical disc 100a (step S210: No), the recording operation ends. On the other hand, if it is determined to record on the optical disc 100a (step S210: Yes), then a disc check is performed on the optical disc 100a (step S211).
- step S212 data in a format compliant with the slide show application such as the DVD-Video file area 111 described above (for example, data necessary for executing a slide show other than still image data) is pre-recorded. Then, it is determined whether or not the force is sufficient (step S212). That is, it is determined whether or not the optical disc 100a has a configuration like the optical disc 100 according to the above-described embodiment.
- step S212 if it is determined that pre-recording has been performed (step S212: Yes), still image data included in the image data is selectively recorded in the rewritable area 122 of the optical disc 100a. (Step S213). Thereafter, the recording operation is terminated.
- step S212 No
- the entire image data is recorded on the optical disc 100a (step S214). Thereafter, the recording operation is terminated.
- various content data such as a slide show content and a DVD-Video content can be obtained in a relatively short time without requiring the user to perform authoring as in the above-described embodiment.
- the entire image data can be recorded on a blank disc, a series of streams used for slide show playback can be recorded without being divided. That is, when recording still image data in the rewritable area 122 on the optical disc 100, since a series of streams are not recorded, there is a possibility that, for example, DC error compression may not be within the desired range. .
- the image data can be recorded as a series of streams, and thus there is a great advantage that such inconvenience does not occur. Have it. Therefore, it is not necessary to perform authoring as described above, and if it can be enjoyed at the same time, it has a great advantage.
- the power described for the optical disc 100 as an example of the information recording medium and the recorder according to the optical disc 100 as an example of the information recording device is not limited to the optical disc and the recorder. It can be applied to other information recording media that support high-density recording or high transfer rates (for example, CDs, Blu-ray discs, HDDVDs, etc., and their recorders).
- the present invention is not limited to the above-described embodiments, but can be appropriately changed within the scope of the claims and the entire specification without departing from the gist or concept of the invention which can be read.
- a medium, an information recording apparatus and method, and a computer program for recording control are also included in the technical scope of the present invention.
- the information recording medium, information recording apparatus and method, and computer program according to the present invention can be used for high-density optical discs such as DVDs, and can also be used for information recording apparatuses such as DVD recorders. . Further, the present invention can be used for an information recording device or the like that is mounted on or can be connected to various computer devices for consumer use or business use, for example.
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- Engineering & Computer Science (AREA)
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- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
Abstract
Description
Claims
Priority Applications (2)
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US11/659,279 US20070248335A1 (en) | 2004-08-03 | 2005-08-01 | Information Recording Medium, Information Recording Device and Method, and Computer Program |
JP2006531463A JPWO2006013822A1 (ja) | 2004-08-03 | 2005-08-01 | 情報記録媒体、情報記録装置及び方法、並びにコンピュータプログラム |
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JP2004-226725 | 2004-08-03 | ||
JP2004226725 | 2004-08-03 |
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CN101911184B (zh) * | 2008-01-16 | 2012-05-30 | 松下电器产业株式会社 | 记录再现装置 |
US9019807B2 (en) | 2008-02-19 | 2015-04-28 | Thomson Licensing | Optical disc with pre-recorded and recordable regions and method of forming the disc |
US8675466B2 (en) * | 2008-02-19 | 2014-03-18 | Thomson Licensing | Optical disc with pre-recorded and recordable regions and methods of forming the disc |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11213564A (ja) * | 1998-01-21 | 1999-08-06 | Matsushita Electric Ind Co Ltd | 情報符号化装置および情報復号化装置および情報符号化復号化記録再生装置 |
JPH11259992A (ja) * | 1998-03-10 | 1999-09-24 | Toshiba Corp | 情報記録媒体と情報記録装置と情報編集装置とディジタル放送記録装置 |
JPH11331742A (ja) * | 1998-05-11 | 1999-11-30 | Ricoh Co Ltd | 画像記録装置 |
JP3092529U (ja) * | 2002-09-03 | 2003-03-20 | 船井電機株式会社 | 光ディスク記録再生装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08147876A (ja) * | 1994-11-14 | 1996-06-07 | Sony Corp | 記録再生装置及び記録再生方法 |
US6904229B1 (en) * | 1999-08-20 | 2005-06-07 | Canon Kabushiki Kaisha | Apparatus for recording signals on disk recording medium |
-
2005
- 2005-08-01 US US11/659,279 patent/US20070248335A1/en not_active Abandoned
- 2005-08-01 JP JP2006531463A patent/JPWO2006013822A1/ja active Pending
- 2005-08-01 WO PCT/JP2005/014043 patent/WO2006013822A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11213564A (ja) * | 1998-01-21 | 1999-08-06 | Matsushita Electric Ind Co Ltd | 情報符号化装置および情報復号化装置および情報符号化復号化記録再生装置 |
JPH11259992A (ja) * | 1998-03-10 | 1999-09-24 | Toshiba Corp | 情報記録媒体と情報記録装置と情報編集装置とディジタル放送記録装置 |
JPH11331742A (ja) * | 1998-05-11 | 1999-11-30 | Ricoh Co Ltd | 画像記録装置 |
JP3092529U (ja) * | 2002-09-03 | 2003-03-20 | 船井電機株式会社 | 光ディスク記録再生装置 |
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US20070248335A1 (en) | 2007-10-25 |
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