WO2006038401A1 - 映像データおよび音声データを含むデータを記録する装置 - Google Patents
映像データおよび音声データを含むデータを記録する装置 Download PDFInfo
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- WO2006038401A1 WO2006038401A1 PCT/JP2005/016088 JP2005016088W WO2006038401A1 WO 2006038401 A1 WO2006038401 A1 WO 2006038401A1 JP 2005016088 W JP2005016088 W JP 2005016088W WO 2006038401 A1 WO2006038401 A1 WO 2006038401A1
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Classifications
-
- 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
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
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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
-
- 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
- G11B27/30—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 the same track as the main recording
- G11B27/3027—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 the same track as the main recording used signal is digitally coded
-
- 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
- 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
-
- 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
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/806—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal
- H04N9/8063—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
-
- 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
-
- 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
- H04N9/8227—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 the additional signal being at least another television signal
Definitions
- Device for recording data including video data and audio data
- the present invention relates to a data recording apparatus for recording data including video and audio, and particularly in a data recording apparatus such as a hard disk / DVD combo video recorder, a DVD video recorder, a DVD stream recorder, and a hard disk video recorder. It relates to the recording of non-broadcast related information such as digital broadcast data, analog broadcast video / audio data, Internet data, and camera data.
- DVD-Forum Digital Versatile Disc
- Standardized application formats include DVD—Video, DVD-VR (Video Recording), and DVD-SR (Stream Recording) formats.
- DVD-Video is a playback-only format used for playback-only discs such as movies recorded in advance for sale. This DVD-Video is mainly targeted at home theaters.
- DVD-VR Video Recording
- the main purpose of this DVD-VR is to digitize analog video and record it with MPEG-2 encoding, with the main targets being analog broadcast recording and video cameras.
- DVD-SR Stream Recording
- DVD-SR Stream Recording
- the data sent as an MPEG stream is basically recorded as it is.
- This DVD-SR is aimed mainly at direct recording of digital broadcasts.
- HD DVD capable of recording large-capacity data with a blue laser diode
- the HD D VD format is being established as the physical format.
- As an application format a video format for high-quality HDTV (Neovision) is standardized.
- HD DVD-Video is an HDTV version of DVD-Video, a playback-only format.
- HD DVD-HDVR is the HDTV version of DVD-VR and DVD-SR, and is a recording and playback format.
- FIG. 1 is a diagram showing a data structure of a conventional read-only format.
- Figure 1 shows the TG1-1 format common to DVD-Video and HD DVD-Video.
- the volume space of the DVD disk is composed of “Volume and File Structure” indicating the volume and file structure, “DVD-Video Zone” where the actual contents are recorded, and other fields.
- “DVD-Video ZoneJ includes a VMG file that records overall management information and a VTS file that records video, audio, etc. for each title. Each title's VTS file contains the video of that title. Management information necessary for playback of titles, such as video and audio compression methods and encoding methods (video audio format)
- the VTS file includes a plurality of VOBs corresponding to each chapter in the title! /.
- m VOBs VOB # l to VOB # m are shown.
- Each VOB becomes a unit force called multiple cells corresponding to several tens of seconds of video and audio, and this cell becomes a unit of interleaving when realizing multi-angle and multi-story.
- each cell has multiple VOBUs corresponding to about 0.5 seconds, and this VOBU is the unit of MPEG time direction compression.
- NV_PCK is a pack of navigation data, and is multiplexed into the PS.
- the navigation data includes real-time control information.
- NV_PCK consists of PCI (Presentation Control Information) and DSI (Data Search Information).
- PCI Presentation Control Information
- DSI Data Search Information
- HLI Highlight Information
- the DSI stores the start address of the VOBU that records past and future data. The address information is used for data search.
- V_PCK is a pack of video data.
- A_PCK is a pack of audio data.
- SP_PCK is a pack of sub-picture data.
- G_R_PCK is a pack of graphic data.
- the DVD-Video and HD DVD-Video formats which are playback-only formats, support only the basic functions necessary for playing back pre-recorded content.
- Supports additional functions hereinafter referred to as “recording / playback additional functions” such as broadcast genre information display, thumbnail display, resume playback, protect, temporary deletion, bookmark registration, etc. /, What! /.
- the recording-only format and the recording / playback format are not compatible as formats. Therefore, for example, data recorded in HD DVD-HDVR format cannot be played back on a player dedicated to HD DV D-Video! /.
- the HD DVD-Video format is a method that defines the video audio format for each title. For example, an ordinary program is difficult to handle when the video is SDTV and the audio is mono audio, and the commercial is HDTV and the audio is stereo audio.
- the playback-only format conventionally supports only the basic functions for content playback, such as recording of data related to non-broadcasting, switching of the format within the title, or recording / playback additional function.
- Functions hereinafter referred to as “applied functions”
- the recording / playback format that supports them has various inconveniences due to its incompatibility with the playback-only format. .
- An object of the present invention is to allow playback on a playback-only device that supports only a playback-only format. It is an object of the present invention to provide a data recording apparatus and method for recording data that can be used and can use an application function that is not supported in a read-only format.
- the data recording apparatus of the present invention provides:
- a data recording apparatus for recording first data including first video data and first audio data on a recording medium in a predetermined format, the video data generating unit, the audio data generating unit, and the applied function data generating unit , And a single head portion.
- the video data generation unit extracts the first video data having the first data force and converts it into second video data.
- the voice data generation unit extracts the first voice data and the first voice data and converts them into second voice data.
- the application function data generation unit is supported by a read-only format and generates application function data for enabling application functions.
- the unifying unit includes the second video data generated by the video data generation unit and the second audio data generated by the audio data generation unit, and the application function data generated by the application function data generation unit. And create a file to be written on the recording medium in a recording / playback format compatible with the playback-only format.
- FIG. 1 is a diagram showing a data structure of a conventional read-only format
- FIG. 2 is a block diagram showing a configuration of a DVD recording apparatus according to an embodiment of the present invention.
- FIG. 3 is a diagram showing an example of a screen on which data recorded on a DVD disc is reproduced by the DVD recording apparatus of the present embodiment
- FIG. 4 is a block diagram showing the configuration of a DVD recording apparatus according to another embodiment of the present invention.
- FIG. 5 is a block diagram showing a configuration of a DVD recording apparatus according to the embodiment.
- FIG. 6 is a block diagram showing the configuration of a DVD recording apparatus according to still another embodiment of the present invention.
- FIG. 7 is a diagram showing a format of a DVD disc on which data is recorded by the DVD recording apparatus of each embodiment.
- a normal broadcast using video and audio and a data broadcast using data are broadcast as digital broadcasts and input to the DVD recording apparatus.
- the DVD recording apparatus of this embodiment records this normal broadcast and data broadcast on a DVD disc. What is normal broadcasting? Broadcast of general video content including video and audio associated with each other
- the DVD recording apparatus transmits the data broadcast to SP_PCK (Sub-Picture Pack; in the PS (Program Stream) data in the DVD-Video format or HD DVD-Video format which is a playback-only format. Record in a sub-picture pack.
- Data broadcast data recording is an application function that is not supported in the playback-only format, but in this embodiment, the recording / playback format is used in which the data broadcast data is recorded as a sub-picture in SP_PCK in the playback-only format.
- PS is one of the multiple streams defined by MPEG2, and is used to form a single program, and consists of a collection of knocks.
- SP_PCK is a pack of sub-picture data.
- the data broadcast data is recognized as a sub-picture by not only the recording / reproducing apparatus but also the reproduction-only apparatus. For example, if it is recorded that display Z non-display can be selected from the menu, the user can select whether or not to display it as desired.
- the playback-only format is defined so that a plurality of sub-pictures can be recorded, it can be selected separately from other sub-pictures such as subtitles.
- FIG. 2 is a block diagram showing a configuration of a DVD recording apparatus according to an embodiment of the present invention.
- the DVD recording apparatus includes a tuner 102, a normal broadcast data extraction Z processing unit 103, a V_PCK generation unit 104, an A_PCK generation unit 106, a data broadcast data extraction Z processing unit 108, an SP_PCK generation unit 109, and an NV_PCK generation.
- Unit 111, management data generation unit 113, and unification unit 115 is a signal processing unit 102, and a signal processing unit 116.
- the tuner 102 selects data of a desired channel from the digital broadcast signal 101, and performs normal broadcast data extraction Z processing unit 103, data broadcast data extraction Z processing unit 108, NV.PC K generation unit 111, and management data The data is sent to the generation unit 113.
- the Z processing unit 103 extracts video data and audio data of digital broadcast normal broadcast from the data from the tuner 102, and generates the video data as V_PCK raw data.
- the audio data is sent to the generation unit 104 to the A_PCK generation unit 106.
- V_PCK (Video Pack) generation unit 104 generates V_PCK105 based on the video data of the normal broadcast data extraction Z processing unit 103, NV_PCK generation unit 111, management data generation unit 113, And send it to 115 parts.
- V_PCK is a pack of video data.
- A_PCK generation unit 106 generates A—PCK (Audio Pack) 107 based on the audio data from normal broadcast data extraction Z processing unit 103, NV—PCK generation unit 111, and management data generation Send to part 113 and one part 115.
- A_PCK is a pack of audio data.
- the Z processing unit 108 extracts data broadcast data from the data from the tuner 102, and sends it to the SP_PCK generation unit 109.
- SP_PCK generation section 109 generates SP_PCK110 based on the data broadcast data from data broadcast data extraction Z processing section 108, NV_PCK generation section 111, management data generation section 113, and single data section Send to 115.
- SP_PCK110 data indicating the contents of the data broadcast, and display time and display position data indicating at what time and in which position on the screen the data broadcast is displayed are recorded.
- display time and display position data are included in SP_DCSQT (Sub-Picture Display Control Sequence Table) in SP_PCK.
- SP_DCSQT may be recorded in the management data.
- NV_PCK generation unit 111 generates NV_PCK 112 based on V_PCK from V_PCK generation unit 104, A_PCK from A_PCK generation unit 106, SP_PCK from SP_PCK generation unit 109, and data from tuner 102. To the conversion unit 115. At that time, the NV_PCK generation unit 112 also records in the NV_PCK 112 the navigation data regarding the SP_PCK 110 in which the data broadcast data is packed by the SP_PCK generation unit 109. Navigation data related to SP_PCK110 packed with data broadcasting data can be distinguished from that of normal broadcasting, and is ignored when data broadcasting is not displayed. NV_PCK is a pack of navigation data.
- Navigation data includes real-time control information.
- NV Physical Network
- PCI Presentation control Information
- DSI Data bearch Information
- HLI Highlight Information
- PCI for example, information on presence / absence of button display, button color, and background color in a quiz program is recorded.
- the management data generation unit 113 generates the management data 114 based on the V_PCK from the V_PCK generation unit 104, the A_PCK from the A_PCK generation unit 106, the SP_PCK of the 109 SP_PCK generation unit, and the data from the tuner 102. Then, send it to the Ichiban Club 115. At that time, the management data generation unit 113 generates management data including management data regarding the SP_PCK 110 in which the data broadcast data is packed by the SP_PCK generation unit 109. Management data related to SP_PCK110 packed with data broadcasting data can be distinguished from data for normal broadcasting, and is ignored when data broadcasting is not displayed.
- Management data includes data for enabling playback of V_PCK, A_PCK, and SP_PCK.
- the display position and display time of the data broadcast may be recorded in the SP_PCK.
- it may be recorded in the management data 114.
- the single unit 115 multiplexes the V_PCK from the V_PCK generation unit 104, the A_PCK from the A_PCK generation unit 106, the SP_PCK from the SP_PCK generation unit 109, and the NV_PCK112 from the NV_PCK generation unit 111.
- a file is generated, and the management data from the management data generation unit 113 is used as a management data file.
- the unification process creates single-line data that is recorded in the volume space of the DVD disc in a format compatible with the DVD-Video format or HD DVD-Vide 0 format.
- FIG. 3 is a view showing an example of a screen on which data recorded on a DVD disc is reproduced by the DVD recording apparatus of the present embodiment.
- the data recorded on the DVD disc includes data broadcasts arranged in SP.PCK.
- SP.PCK data broadcasts arranged in SP.PCK.
- weather forecasts and commercials are included in SP_PCK as program-linked data broadcasting.
- the related data outside the normal broadcast in the present invention is not limited to the program-linked data broadcast, and the data broadcast may be an independent data broadcast or an audio broadcast.
- Other typical examples of non-broadcast related data include Internet data and streaming data, and other examples include telephone data, fax data, and other media data.
- a normal broadcast screen 202 and program-linked data broadcast screens 203 and 204 are displayed in the entire screen 201.
- Program-linked data broadcast screens 203 and 204 display characters and animation, and are displayed at the display position and display time according to the management data.
- the display area of the normal broadcast screen 202 is limited to a slightly narrower range than the entire screen 201.
- the normal broadcast screen 202 is displayed on the entire screen 201, and program-linked data is displayed.
- Broadcast screens 203 and 204 may be displayed on top of each other. Also, both may be displayed in alpha blending!
- the SP_PCK generation unit 109 generates the SP_PCK 110 using the data broadcast data as a sub-picture
- the NV_PCK generation unit 111 records the data broadcast data as a sub-picture.
- the NV_PC K112 is generated to enable the application function, and includes the SP_PCK110 generated by the SP_PCK generation unit 109 and the NV_PCK112 generated by the NV_PCK generation unit 115.
- the DVD-Video format ⁇ generates a file in a format compatible with the HD DVD—Video format, so if you record a data broadcast so that it can be played back on a playback-only device that supports only the playback-only format, Data that can be used for advanced functions can be recorded.
- the SP_PCK generation unit 109 records data broadcast data in SP_PCK, and the unification unit 115 sets SP_PCK together with NV_PCK, V_PCK, and A_PCK to PS.
- data broadcasting can be recorded in the same format without adding a new area to the playback-only format, and the recorded data also has the advantages of the recording / playback format.
- normal broadcasts can be played back on playback-only devices, and data broadcasts can be recorded and played back.
- the user can enjoy both advantages without selecting a format when recording data, which is highly convenient.
- the user can freely select the display Z non-display of the data broadcast by controlling the display Z non-display of SP_PCK at the time of playback in the DVD recording / playback apparatus.
- the ability to place data broadcast data in SP_PCK in order to record the data broadcast separately from the normal broadcast is not limited to this.
- data broadcast data can be recorded separately from the normal broadcast even if the data broadcast data is arranged in the GR_PCK (Graphic Pack) as a graphic.
- GR_PCK is a pack of graphic data.
- the data broadcast data is recognized as a graphic by the reproduction-only device.
- audio pack is main audio pack (AM_PCK) and sub audio pack (AS_PCK)
- still images text Is assigned to the Advanced Element Pack or Advanced Stream Pack (ADV_PCK)
- the data broadcast is transferred to the Sub Video Pack (VS_PCK), Sub Audio Pack (AS_PCK), Advanced Element Pack or Advanced Stream Pack (ADV_PCK). You may arrange.
- the power to record the display position and display time of the data broadcast in SP_PCK At least one of the relevance with the normal broadcast data or the relevance with the user operation is stored in SP_PCK. Or as a record.
- the relationship with the normal broadcast data indicates the timing at which the data broadcast is displayed in synchronization with which scene or time of the normal broadcast
- the relationship with the user operation means that the user It shows the timing for displaying the data broadcast when any operation is performed.
- the data may be recorded in management data 114.
- NV_PCK non-volatile memory
- management data need not be recorded.
- the present embodiment an example of broadcasting is shown, but the present invention is not limited to this.
- the present embodiment can be replaced with data other than that obtained by shooting the normal broadcast data and data other than the normal broadcast related data taken by the camera.
- the data taken by the camera means data taken by a video camera or a still camera
- the data other than those taken by the camera means video, still image, text, or post-recording sound data added later by the user. At least one shall be indicated.
- the power exemplified for the DVD recording apparatus is not limited to this.
- the present invention can be similarly applied to a case where a playback-only format and a recording / playback format are defined for a BRD (Blu-ray Disc).
- an error correction code may be added to SP_PCK, GR_PCK, VS_PCK, AS_PCK, or ADV_PCK to reduce the error rate.
- the DVD recording apparatus of this embodiment records two channels (here, A channel and B channel) of the broadcast multi-channel data in the interleave block in the PS.
- Multi-channel recording is an application function that is not supported in the playback-only format.
- multi-channel normal broadcast data is recorded in an interleave block in the playback-only format.
- the compatibility with the dedicated format is maintained, and multi-channel normal broadcasts can be played back with the same operability during playback as multi-story and multi-angle.
- An interleave block is an inter-cell unit. This block consists of multiple cells that make up a multi-story or multi-angle structure by reeve.
- FIG. 4 is a block diagram showing a configuration of a DVD recording apparatus according to another embodiment of the present invention.
- the DVD recording apparatus includes a tuner 302, a channel extraction Z processing unit 303,
- V—PCK generation units 305 and 306 V—PCK generation units 305 and 306, A—PCK generation units 309 and 310, NV—PCK generation unit 313, management data generation unit 315, and unification unit 317.
- the tuner 302 selects desired channel data from the digital broadcast signal 301 and sends it to the channel extraction Z processing units 303 and 304, the NV_PCK generation unit 313, and the management data generation unit 315.
- the channel extraction Z processing unit 303 is supplied with the data power of the A channel.
- the channel extraction Z processing unit 304 is supplied with the data of the B channel.
- Channel extraction Z processing unit 303 extracts video data and audio data of channel A from the data from tuner 302, and sends the video data to V_PCK generation unit 305 and the audio data to A_PCK generation unit 309. .
- Channel extraction Z processing unit 304 extracts video data and audio data of channel B from the data from tuner 302, and sends the video data to V_PCK generation unit 306 and the audio data to A_PCK generation unit 310. .
- the V_PCK generation unit 305 Based on the video data from the channel extraction Z processing unit 303, the V_PCK generation unit 305 generates a V_PCK307 for the A channel, and sends it to the NV_PCK ⁇ j3 ⁇ 43 ⁇ 43 ⁇ 4313, the management data generation unit 315, and the single data unit 317. send.
- the V_PCK generation unit 306 Based on the video data from the channel extraction Z processing unit 304, the V_PCK generation unit 306 generates V_PCK 308 for the B channel, and sends it to the NV_PCK ⁇ j3 ⁇ 43 ⁇ 43 ⁇ 4313, the management data generation unit 315, and the single data unit 317. send.
- the A_PCK generation unit 309 generates A_PCK309 of the A channel based on the audio data from the channel extraction Z processing unit 303, and sends it to the NV_PCK ⁇ j3 ⁇ 43 ⁇ 43 ⁇ 4313, the management data generation unit 315, and the single unit 317. send.
- the NV_PCK generation unit 313 has the same function as the NV_PCK generation unit 111 shown in FIG. 2, and V-PCK generation units 305, 306, etc. V-PCK307, 308, A-PCK generation NV Generate NV_PCK314 based on data from A_PCK311, 312 and tuner 302 from 309, 310 force And send it to the unification department 317.
- the management data generation unit 315 has the same function as the management data generation unit 113 shown in FIG. 2, and generates V—PCK generation unit 305, 306 V—PCK307, 308, A—PCK generation.
- the management data 316 is generated based on the data from the A_PCKs 311 and 312 of the units 309 and 310, and the tuner 302, and is sent to the single unit 317.
- a single PC has V—PCK generation 305 305, 306 forces, etc.
- A—PCK311, 312 and NV—PCK generation ⁇ NV—PCK314 is multiplexed to generate a PS file, and the management data 316 from the management data generation unit 315 is used as a management data file. These data are integrated into a single data 318 to generate a DVD disk. Write to 319.
- V_PCK307 and A_PCK311 of the A channel are arranged in the interleave block 1
- V_PCK308 and A_PCK312 of the B channel are arranged in the interleave block 2.
- Interleave block 1 and interleave block 2 are integrated into one PS according to the DVD-Video or HD DVD-Video format. The integrated PS is recorded on DVD disc 319.
- the content of the arrangement in the interleave block may be recorded in the NV_PCK in the PS.
- the contents of the placement in the interleave block may be recorded in a management data file separate from the PS file.
- the channel extraction Z processing units 303 and 304 extract the data of each channel of the multi-channel
- the V_PCK generation units 305 and 306 and A—PCK generation unit 309, 310 records to V—PCK, A—PCK
- unification unit 317 places V_PCK, A_PCK for each channel in one PS interleave block and records to DVD disc 319 Therefore, multi-channel data can be recorded in the same format without adding a new area to the playback-only format, and the recorded data also has the merit of the recording / playback format.
- Playback is possible with a playback-only device that supports only the format, and recording, playback, and editing functions are available with a recording / playback device that supports the recording / playback format. Data available can be recorded.
- the user can By switching the channel, you can watch the broadcast of each channel with the same operation feeling as multi-story and multi-angle.
- Multi-story is a content format that selectively plays back multiple stories.
- Multi-angle is a content format that allows multiple anglers to select and play the user's desired angle.
- the force shown in the example of the interleave block may be arranged in an angle block for displaying a multi-angle.
- an error correction code may be added to the interleave block in the PS in order to reduce the error rate.
- the DVD recording apparatus of the present embodiment includes the entire information, map information, title recording information, chapter recording as video recording management information used for the recording / playback addition function in the DVD-Video format or HD DVD-Video format. Place information, playlist information, or merge information.
- the recording of these video recording management information is an application function that is not supported in the playback-only format.
- the video recording management information is integrated with the PS stream in the playback-only format. By recording the video recording management information, it is possible to record the video recording management information while maintaining compatibility with the read-only format.
- the overall information is management information for managing the data of the entire DVD disc.
- the map information is information indicating the relationship between the time and address of recording data, and for example, specifies the recording position and size of a VOBU (Video Object Unit) that is a video compression unit. It is data for.
- VOBU Video Object Unit
- the VOBU number the VOBU start address
- the first reference picture (I picture) size or the number of sectors of the VOBU the time or the number of fields of the VOBU
- VOB U includes an integer number of GOPs (Group Of Pictures) of 1 or more.
- the title recording information refers to information about recorded data for each title, for example, Cell information for each title, video attribute information, audio attribute information, sub-picture attribute information, Graphic unit attribute information, broadcast genre information, thumbnail Information, resume marker information, protect information, temporary erase information, and bookmark information.
- Attribute information includes video and audio compression methods.
- the DVD recording apparatus according to the present embodiment provides video and audio that can change the video audio format in smaller units, even if one title is used for each change of the video audio format in the broadcast data. Recording is possible while maintaining compatibility with the playback-only format.
- the chapter recording information refers to information related to recorded data for each chapter.
- cell information video attribute information, audio attribute information, sub-picture attribute information, graphic unit for each chapter Attribute information, broadcast genre information, thumbnail information, resume marker information, protect information, temporary erasure information, and bookmark information.
- the DVD recording apparatus of the present embodiment is a format exclusively used for reproducing video and audio in which the video audio format is changed in a small unit, so that one chapter may be used for each change of the video audio format in the broadcast data. Can be recorded while maintaining compatibility.
- Both the playlist information and the manifest information are information indicating a playback order in which a part of the stream is arbitrarily connected.
- the playlist information is data set by the user and specifying the playback order for each chapter or title.
- the manifest information is data set by the user and specifying the reproduction order of the data broadcast data.
- the Cell information is information including the cell number and the cell number at the head of the title or chapter.
- the video attribute information indicates information related to the compression method, television system, aspect ratio, resolution, or other video attributes.
- the audio attribute information indicates information relating to the compression method, quantization information, sampling frequency, channel information, or other audio attributes.
- the sub picture attribute information indicates sub picture luminance information, color difference information, or other information related to the sub picture.
- Graphic unit attribute information indicates graphic luminance information, color difference information, or other information related to graphic unit attributes. All of this information may be recorded, or only a part of it may be recorded.
- Broadcast genre information indicates broadcast genres such as news, weather reports, sports, etc. in recorded broadcast data.
- the thumbnail information indicates one representative video of a title or chapter.
- the resume marker information is playback stop position information for restarting playback with the same position force after playback is stopped once.
- the protect information is an erase prohibition presence / absence flag for prohibiting data erasure.
- Temporary erasure information is a temporary erasure presence / absence flag for enabling the erasure of the title or chapter data that has been erasable, as specified by the user.
- Bookmark information is information indicating the position registered as a bookmark by the user.
- FIG. 5 is a block diagram showing a configuration of the DVD recording apparatus of the present embodiment.
- the DVD recording device of FIG. 5 has a configuration having an integrated single-unit portion 40 1 instead of the single-unit portion 115 in the DVD recording device of FIG. 2, and the other portions are the same as the DVD recording device of FIG. The same.
- the integrated single file unit 401 includes a PS stream generating unit 402, a video recording management information generating unit 404, and an integrating unit 406.
- V_PCK 105 from V_PCK generation unit 104, A_PCK 107 from A_PCK generation unit 106, SP_PCK 110 from SP_PCK generation unit 109, and NV_PCK 112 from NV_PCK generation unit 111 are input to PS stream generation unit 402.
- Management data 114 from the management data generator 113 is input to the video recording management information generator 404.
- the PS stream generation unit 402 multiplexes V—PCK 105, A—PCK 107, SP.PCKl 10, and NV—PC Kl 12, generates a PS stream file 403, and sends it to the integration unit 406.
- the video recording management information generation unit 404 generates a video recording management information file 405 based on the management data 114 and sends it to the integration unit 406.
- the integration unit 406 integrates the PS stream file 403 of the PS stream generation unit 402 and the video recording management information file 405 from the video recording management information generation unit 404 to generate a recording stream 407, Record on DVD disc 408.
- a recording stream is a stream for recording in the Volume Space of a DVD disc.
- a predetermined file name assigned to a file used for reproduction is defined in advance. The file power of other file names may be on the VD disc, but even if it is, it is ignored in the conventional playback process.
- the integration unit 406 is a video recording management information file. In 405, a file name that is specified for use in playback in the playback-only format is assigned to the video recording management information file 405 for the recording / playback additional function.
- the video recording management information file 405 is ignored for a playback-only device that does not support the recording / playback additional function.
- the video recording management information file 405 is recognized as video recording management information for the recording / playback additional function.
- the PS stream generation unit 402 multiplexes SP_PCK together with NV_PCK, V_PCK, and A_PCK into the PS, and the video recording management information generation unit In 404, video recording management information such as map information, title recording information, and chapter recording information is generated, and in the integration unit 406, the video recording management information is integrated with the PS stream so as not to prevent playback in a playback-only format.
- the video recording management information used for the recording / playback additional function is recorded on the DVD disc 117 in a format compatible with the playback-only format, so normal playback on a playback-only device is possible, and the recording / playback format It is possible to use the recording / playback additional function, which is a merit of the above, in the recording / playback device. As a result, playback on a playback-only device is possible, and additional functions convenient for recording, playback, and editing can be used by the recording / playback device.
- Cell information, video attribute information, audio attribute information, sub-picture attribute information, and graphic attribute information can be recorded in units of titles or chapters. Every time the audio format is changed, data is recorded as a title or chapter.
- broadcast genre information, thumbnail information, resume marker information, protect information, temporary erase information, or bookmark information can be recorded in units of titles or chapters.
- broadcast genre information display, thumbnail display, resume playback, protection, temporary deletion, and bookmark registration are possible.
- playlist information can be registered in units of titles or chapters, and as a result, playlist registration Z playback is possible.
- the manifest information can be registered in units of titles or chapters, and as a result, playlist registration Z playback is possible.
- the configuration example in which the V_PCK generation unit 104, the A_PCK generation unit 106, and the SP_PCK generation unit 109 all exist is shown, but the present invention is not limited to this. As another example, only a part of the V_PCK generation unit 104, the A_PCK generation unit 106, and the SP_PCK generation unit 109 may exist.
- the power shown in the example in which the unifying unit 115 of the DVD recording apparatus in FIG. 2 is replaced with the unifying unit 401 is not limited to this.
- an integrated single recording unit instead of the single recording unit 317 of the DVD recording apparatus shown in FIG. 4, an integrated single recording unit may be provided.
- V—PCK307 and 308 and A—PCK311 and 312 may be multiplexed to PS until the PS stream is generated.
- the DVD recording apparatus of the present embodiment arranges data broadcasting in SP_PCK in the same way as the DVD recording apparatus shown in FIG. 2, and two channels (here, as in the DVD recording apparatus shown in FIG. 4). Is channel A and channel B) in the interleave block in the PS.
- FIG. 6 is a block diagram showing a configuration of the DVD recording apparatus of the present embodiment.
- the DVD recording apparatus includes a tuner 502, extraction Z processing units 503 and 504, V_PCK generation units 505 and 506, A—PCK generation units 509 and 510, SP_PCK ⁇ j3 ⁇ 43 ⁇ 43 ⁇ 4513, 514, and ⁇ ⁇ generation units. 517, a management data generation unit 519, and an integrated single-unit unit 521.
- the integrated single file unit 521 includes a PS stream generation unit 522, a video recording management information generation unit 524, and an integration unit 526.
- Tuner 502 selects data of a desired channel from digital broadcast signal 501 and sends it to extraction Z processing sections 503 and 504, NV_PCK generation section 517, and management data generation section 519.
- Extraction Z processing unit 503 extracts the video data and audio data of the A-channel normal broadcast from the data from tuner 502, and the data of the data broadcast, and the video data is V_PC K generation unit 505. To the A_PCK generator 509 and the data broadcasting data to the SP_PCK raw Send to Narita 513.
- Extraction Z processing unit 504 extracts video data and audio data of B-channel normal broadcasting from the data from tuner 502, and data of data broadcasting, and outputs the video data to V_PC K generation unit 506.
- the data broadcast data is sent to the A_PCK generation unit 510 to the SP_PCK generation unit 514.
- the V_PCK generation unit 505 generates V_PCK507 based on the video data of the extraction Z processing unit 503, and the NV_PCK generation unit 517, the management data generation unit 519, and the integrated unification unit 521
- PS stream generation unit 522 to send.
- the V_PCK generation unit 506 generates V_PCK508 based on the video data from the extraction Z processing unit 504, and the NV_PCK generation unit 517, the management data generation unit 519, and the integrated unification unit 521
- PS stream generation unit 522 to send.
- the A_PCK generation unit 509 generates A_PCK511 based on the audio data from the extraction Z processing unit 503, and the NV_PCK generation unit 517, the management data generation unit 519, and the integrated unification unit 521
- PS stream generation unit 522 to send.
- the A_PCK generation unit 510 generates A_PCK512 based on the audio data from the extraction Z processing unit 504, and the NV_PCK generation unit 517, the management data generation unit 519, and the integrated unification unit 521
- PS stream generation unit 522 to send.
- the SP_PCK generation unit 513 uses the SP.PC based on the data broadcast data from the extraction Z processing unit 503.
- K515 is generated and sent to the NV_PCK generation unit 517, the management data generation unit 519, and the PS stream generation unit 522 of the integrated single-line block.
- the 3? _? 0 generation unit 514 generates the SP.PC based on the data broadcast data from the extraction Z processing unit 504.
- K516 is generated, and sent to the NV_PCK generation unit 517, the management data generation unit 519, and the PS stream generation unit 522 of the integrated single-line ⁇ .
- NV_PCK 518 is generated based on the data from 515, 516 and tuner 502 and sent to PS stream generation unit 522 of the unification unit.
- PS stream generation unit 522 records V—PCK507, 508, A—PCK511, 512, and SP_PCK515, 516 of each channel in an interleave block, and multiplexes common NV_PCK518 with it to generate PS stream file 523 To the integration unit 526.
- the video recording management information generation unit 524 generates a video recording management information file 525 based on the management data 520 and sends it to the integration unit 526.
- the integration unit 526 generates a recording stream 527 by integrating the PS stream file 523 from the PS stream generation unit 522 and the video recording management information file 525 from the video recording management information generation unit 524, Record on DVD disc 528. At this time, the video recording management information file 525 is given a predetermined file name that is ignored in the conventional reproduction process.
- the SP_PCK generation units 513 and 514 record the data broadcast data of each channel on the SP_PCK, and the integrated unification unit 115 generates the PS stream. Since NV_PCK is multiplexed onto the PS interleave block together with SP_PCK, V_PCK, and A_PCK in part 522, normal broadcast and data broadcast of two channels can be recorded in the playback-only format, and the recorded data can be recorded and re-recorded. It also has the advantages of a raw format.
- the force shown in the example of the interleave block may be arranged in an angle block for displaying a multi-angle.
- FIG. 7 is a diagram showing the format of a DVD disc on which data is recorded by the DVD recording apparatus of each embodiment.
- the DVD disc contains HDVIDEO_RM.IFO, HDVIDEO—TS.IFO, HDVTS—01—O.IFO, HDVTS—02—O.IFO, HDVTS—03—0.IFO HDVTS—01—l.VOB, HDVTS—02—l.VOB, HDVTS—03—l.VOB '
- HDVIDEO—RM.IFO is VRMI (Video Recording Manager Information).
- HD_VRMI_GI, HD_VRMI_MAP, HD_VRMI_TTI, HD_VRMI_CHPI, HD_VRMI_RECI, and HD_VRMI_PL are arranged in HDVIDEO_RM.IFO.
- HD_VRMI_GI is the entire information of the video recording management information. One task, disk name, etc.
- HD_VRMI_MAP is map information of video recording management information. Specifically, HD_VRMI_MAP is for each VOBU which is a video compression unit, VOBU number, VOBU head address, first reference picture (I picture) size or number of sectors of that VOBU, time or field of that VOBU. Indicates the number or number of frames, the size of the VOBU or the number of sectors. VOBU includes an integer number of GOPs (Group Of Pictures) of 1 or more.
- GOPs Group Of Pictures
- HD_VRMI_TTI is title information of video recording management information. Specifically, HD.VR MI_TTI is Cell information, video attribute information, audio attribute information, sub-picture attribute information, graphic unit attribute information, broadcast genre information, thumbnail information, resume marker information, protect information in units of titles. , Indicates temporary deletion information, bookmark information
- HD_VRMI_CHPI is chapter information of video recording management information. Specifically, HD_VRMI_CHPI is Cell information, video attribute information, audio attribute information, sub-picture attribute information, graphic unit attribute information, broadcast genre information, thumbnail information, resume marker information, protect information, temporary information in chapter units. Indicates erase information and bookmark information.
- HD_VRMI_RECI is recording-related information of the video recording management information, and specifically includes a bit rate, recording date and time, and the like.
- HD_VRMI_PL is playlist information of video recording management information. Specifically, it is data set by the user and specifying the playback order for each chapter or title.
- HDVIDEO_RM.IFO is recorded on a DVD disc, the relationship between time and address can be easily determined by HD_VRMI_MAP, enabling high-speed search and smooth variable-speed playback.
- HD_VRMI_TTI and HD_VRMI_CHPI video, audio, sub-picture, and graphic unit data can be managed and displayed for each title or chapter.
- the broadcast genre display and the broadcast selected or selected using the display can be recorded or played back.
- thumbnail display, resume playback, protect, temporary erase, bookmark registration and playback are possible.
- HD_VRMI_PL allows a user to register a playlist and play it using it.
- HDVIDEO—TS.IFO is VMGI (Vide 0 Manager Information) defined by DVD-Video or HD DVD-Video.
- HDVTS 01—0.IFO
- HDVTS 02—0.IFO
- HDVTS 3-VTSI
- O.IFO is VTSI (Video Title Set Information) defined by DVD—Video or HD DVD-Video. For details, refer to DVD-Video Specifications or HD DVD-Video Specifications.
- HDVTS 01—l.VOB ⁇ HDVTS—02—l.VOB ⁇ HDVTS—03—l.VOB is set information of the video title and is composed of NV_PCK, V_PCK, A_PCK, SP_PCK, and GR_PCK.
- NV_PCK is a navigation pack. For example, in the HLI in PCI, information on the presence / absence of button display in quiz number and the like, each button color, and background color is recorded.
- V_PCK is a video pack in which video data is recorded.
- multi-channel data in normal broadcasting, data broadcasting, and non-normal broadcasting related data is arranged as an interleave block. This makes it possible to simultaneously record multichannel data in digital broadcasting.
- A_PCK is an audio pack in which audio data is recorded.
- multi-channel data in normal broadcasting, data broadcasting, and non-normal broadcasting related data is arranged as an interleave block. This makes it possible to simultaneously record multichannel data in digital broadcasting.
- SP_PCK is a sub-picture pack in which sub-picture data is recorded.
- data broadcasting data in digital broadcasting program-linked data broadcasting data, independent data broadcasting data, audio broadcasting data
- other related data Internet data, streaming data
- the display time and display position of the sub picture can be recorded in SP_DCSQT (sub picture display control sequence table). This makes it possible to record data related to non-normal broadcasting in digital broadcasting.
- GR_PCK is a graphic pack in which graphic data is recorded.
- data related to data other than normal broadcasting such as data broadcasting data in digital broadcasting is recorded. Is possible.
- the display time and display position of graphic data can be recorded in GR_DCSQT (graphic display control sequence table). This makes it possible to record non-normal broadcast related data in digital broadcasting.
- the video pack is the main video pack (VM_PCK) and sub video pack (VS_PCK)
- the audio pack is the main audio pack (AM_PCK) and sub audio pack (AS_PCK)
- still images and text Is assigned to the Advanced Element Pack or Advanced Stream Pack (ADV_PCK)
- ADV_PCK Advanced Element Pack or Advanced Stream Pack
- data related to non-normal broadcasting such as data broadcasting data in digital broadcasting is sub-packed in the sub video pack (VS_PCK) or sub audio pack (AS_PCK).
- ADV_PCK Advanced Element Pack or Advanced Stream Pack
- the power to record the display position and display time of data broadcasting in SP_PCK is possible to record the association with normal broadcast data or the association with user operation in SP_PCK.
- all these data may be arranged in GR_PCK, VS_PCK, AS_PCK, or ADV_PCK.
- the DVD recording apparatus described as each embodiment can also be realized by a computer executing a software program.
- the software program should have a process for realizing the operation of each part of the DVD recording apparatus.
- an apparatus for receiving and recording broadcast data has been exemplified, but the present invention is not limited to broadcast data.
- the present invention can also be applied to a data recording device that records (dubbing) data input from other playback devices such as a DVD player. In that case, it is not necessary to record broadcast data, and it is not necessary to have a tuner.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
Claims
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-292632 | 2004-10-05 | ||
| JP2004292632 | 2004-10-05 | ||
| JP2005083551 | 2005-03-23 | ||
| JP2005-083551 | 2005-03-23 |
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| Publication Number | Publication Date |
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| WO2006038401A1 true WO2006038401A1 (ja) | 2006-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/016088 Ceased WO2006038401A1 (ja) | 2004-10-05 | 2005-09-02 | 映像データおよび音声データを含むデータを記録する装置 |
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| WO (1) | WO2006038401A1 (ja) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003288767A (ja) * | 2002-01-23 | 2003-10-10 | Nec Corp | 映像伝送記録方法、装置、およびディスク媒体 |
| JP2004266390A (ja) * | 2003-02-28 | 2004-09-24 | Toshiba Corp | 情報記録装置 |
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2005
- 2005-09-02 WO PCT/JP2005/016088 patent/WO2006038401A1/ja not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003288767A (ja) * | 2002-01-23 | 2003-10-10 | Nec Corp | 映像伝送記録方法、装置、およびディスク媒体 |
| JP2004266390A (ja) * | 2003-02-28 | 2004-09-24 | Toshiba Corp | 情報記録装置 |
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