WO2006071000A1 - Structure of navigation information for video data recorded on a recording medium and recording/reproducing method and apparatus using the structure - Google Patents
Structure of navigation information for video data recorded on a recording medium and recording/reproducing method and apparatus using the structure Download PDFInfo
- Publication number
- WO2006071000A1 WO2006071000A1 PCT/KR2005/003819 KR2005003819W WO2006071000A1 WO 2006071000 A1 WO2006071000 A1 WO 2006071000A1 KR 2005003819 W KR2005003819 W KR 2005003819W WO 2006071000 A1 WO2006071000 A1 WO 2006071000A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data stream
- information
- type
- recording medium
- management information
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
- G11B27/329—Table of contents on a disc [VTOC]
-
- 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
-
- 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
- G11B2220/2579—HD-DVDs [high definition DVDs]; AODs [advanced optical discs]
Definitions
- This document relates to a structure of navigation information for a read-only recording medium having primary and secondary data streams recorded thereon and recording/reproducing methods and apparatuses using the structure.
- the DVD-ROM which is usually called the DVD, has a storage capacity of 4.7 GB and is commonly used as a storage medium for delivering high-quality digital contents such as movies.
- a higher-capacity disk may provide a main content and additional video or audio contents associated with the main content simultaneously.
- the additional data streams are considered secondary data streams of the primary data stream which provides the main video. Because search and playback operations can be performed on the secondary data streams as well as on the primary data stream, navigation data for the secondary data streams is also required. If there is a great difference in the structure of the navigation data for secondary data streams and the structure of the navigation data for the primary data stream, it makes the design and upgrade of firmware for operating reproducing apparatuses difficult. It is desirable, therefore, that the structure of the navigation data for the primary data stream be designed such that the navigation data for secondary data streams can be accommodated therein. 3.DISCLOSUREOFINVENTION
- the present invention records a primary data stream and secondary data streams associated with the primary data stream on a recording medium, creates access management information for each of the data streams, and records the created access management information thereon, wherein the access management information includes type information indicative of the type of the corresponding data stream.
- the access management information utilizes the name of the corresponding stream data file as information indicative of the position of the corresponding stream data.
- the type information indicates that the corresponding data stream is a primary data stream
- a value corresponding to the distance between a particular position (e.g., the start position) in a file containing management information for all data streams of a first type recorded on the recording medium and the start position of the corresponding data stream is written as information indicative of the position of the corresponding data stream in the access management information.
- a value corresponding to an absolute address of the start position of the corresponding data stream is written as information indicative of the position of the corresponding data stream in the access management information.
- Attribute information for the secondary data stream is written in the access management information for the corresponding data stream or in a separate file.
- FIG. 1 illustrates a block diagram of an apparatus for manufacturing read-only recording mediums having navigation information according to the present invention thereon;
- FIG. 2 illustrates an example of the process of recording video data by organizing the video data into navigation units
- FIG. 3 illustrates the hierarchical structure of video title set time map (VTSJTMAP) information including the TMAP category field;
- VTSJTMAP video title set time map
- FIG. 4a illustrates the video title set information (VTSI) including an attribute information table storing the attribute of each of primary data streams (EVOBs) ;
- FIG. 4b illustrates the structure of the attribute information for a primary data stream;
- FIG. 5 illustrates an example of data recorded on a recording medium wherein primary data streams, associated secondary data streams, and management information therefor exist;
- FIG. 6 illustrates data streams and management information separately recorded on a read-only disk
- FIG. 7 illustrates a block diagram of an apparatus for reproducing a read-only recording medium having a data structure according to the present invention.
- FIG. 1 is a block diagram of an apparatus for manufacturing read-only optical disks having the navigation data in accordance with the present invention thereon.
- a 10 apparatus comprises a laser diode 10 for generating a laser beam, a collimator 11 for collimating the generated laser beam, an optical modulator 13 for passing or blocking the parallel beam from the collimator 11 depending on the level of a modulated input signal (e.g., EFM signal) , a condensing lens
- an encoder 20 for encoding input content data in the MPEG format
- a formatter 21 for formatting the encoded data into ECC block data for recording, a high-capacity
- storage medium 23 e.g., hard disk drive
- disk reading/writing unit 22 for reading/writing data from/to the storage medium 23
- signal modulator 31 for modulating data stored in the storage medium 23 into a binary signal such as EFM signal
- recording controller 30 for processing
- the read-only disk and navigation data for the content data to the storage medium 23 The data stored therein is read under the control of the recording controller 30 and then modulated into a binary signal by the signal modulator 31.
- the optical modulator 13 passes or blocks the collimated laser beam depending on the level of the modulated signal, thereby forming a pit train corresponding to the modulated signal on the photosensitive layer located on the glass substrate.
- the condensing lens 14 moves outward slowly during the pit-forming process, thereby making the pit train be a spiral pattern.
- the pit train represents data corresponding to the content data and navigation data therefor stored in the storage medium 23.
- a stamper is made using the photosensitive layer having the pit train thereon and read-only disks storing the content data and navigation data according to the present invention are manufactured using the stamper.
- An input video signal is encoded in a particular format (e.g., MPEG) by the encoder 20 and converted into ECC blocks by the formatter 21 and then written to the storage medium 23 by the reading/writing unit 22.
- a data stream pre- encoded by another apparatus can be provided from another storage medium 101.
- the encoder 20 encodes primary data into GOPs each of which comprises a leading I-picture and possibly more pictures
- the recording controller 30 organizes one or more successive GOPs into a navigation unit such that the presentation time duration thereof is between 0.4 and 1 second and creates navigation information for the navigation unit.
- Information necessary for the creation of the navigation unit is provided by the encoder 20.
- a navigation unit is called an EVOBU (enhanced video object unit) and the data section corresponding to a recorded title is called an EVOB (enhanced video object) .
- the size and presentation time duration of each of the created navigation units is recorded as TMAP (time map) information.
- the TMAP information which is management information for accessing the recorded title, includes TMAP general information (TMAP_GI) as well as information on each navigation unit.
- the TMAP general information has a TMAP_category field for indicating the type of the .stream associated with the TMAP information, (e.g., primary stream or secondary stream) .
- the TMAP_category field has a value of ⁇ 0' , which means that the associated data stream is a primary stream.
- Each navigation unit is aligned with sectors and recorded in the data area of the storage medium 23, each sector having a size of 2048 bytes.
- the fact that each navigation unit is recorded in the data area of the storage medium 23 means that the data written to the storage medium 23, which will be recorded as pits on the read-only disk, will be mapped to the data area of the read-only disk.
- the recording controller 30 After recording one or more primary data streams, i.e., EVOBs, the recording controller 30 creates video title set information (VTSI) including the TMAP information created for each of the primary data streams and necessary management information and writes the video title set information (VTSI) in a single file (e.g., Video_TS. ifo) .
- VTSI video title set information
- the user may be requested to enter information required for creating the video title set information (VTSI) through graphic user interface (GUI) .
- TMAP information created for each of the EVOBs includes information on the start position of the corresponding EVOB. If each of the recorded EVOBs is managed as a file, the information on the start position can be the name of the file.
- the information on the start position can be a value indicating the relative distance between a particular position in the video title set information (VTSI) (e.g., the start position of the VTSI) and the start position of the corresponding EVOB.
- VTSI video title set information
- the distance can be expressed in terms of logical blocks each of which has a predefined size.
- the video title set information also includes attribute information for each of the EVOBs.
- the attribute information is contained in an EVOB attribute table 401 assigned in the video title set information (VTSI) .
- the attribute information has a structure as shown in FIG. 4b and contains information necessary for the playback of the data stream contained in the EVOB (e.g., attributes of the video and audio carried in the EVOB and the number of primary audio streams) .
- the attribute information is not the concern of the present invention and the detailed description thereof is omitted.
- the secondary streams associated with the primary data streams are organized into navigation units and recorded in the data area of the storage medium 23 in the same manner.
- the recording controller 30 creates and writes TMAP information for each of the secondary data streams (S_EVOBs) .
- the video title set information (VTSI) is not created for the secondary streams.
- a data structure as shown in FIG. 5 is written to the storage medium 23.
- three titles EVOB #1 ⁇ EVOB #3, TMAP 501 associated with each of the titles, a VTSI for a recorded title set, two secondary titles S__EVOB #1 and S_EVOB #2, and TMAP 502 associated with each of the secondary titles are written to the storage medium 23.
- the TMAP created for each of the secondary data streams has the same data structure as the TMAP created for each of the primary data streams (i.e., EVOBs) .
- the general information of the TMAP created for each of the secondary data streams has the TMAP_category field as shown in FIG. 3 and 1 is stored therein. Because video title set information (VTSI) is not created for the recorded secondary streams, the information on the start position of a secondary data stream (S_EVOB) written in the TMAP information thereof cannot be the relative distance from the start position of the video title set information (VTSI) . Instead, absolute position information on the secondary data stream such as the address of the start logical block is written. In the case where each of the secondary data streams (S_EVOBs) is written as a single file, the stream file name can be written as the start position information in the TMAP information.
- attribute information required for the playback of the secondary data stream (S_EVOB) is written in a field within the associated TMAP information or in a separate file.
- the attribute information does not include the group of attributes marked as 402 in FIG. 4b because secondary data streams are not allowed to have the attributes for sub- pictures.
- a reproducing apparatus uses the TMAP_category field to determine whether to obtain the attribute information for recorded data streams. If the TMAP_category field has a value of 0, the reproducing apparatus obtains the attribute information for the corresponding data stream, which is a primary data stream, from the EVOB attribute table of the video title set information (VTSI) . If the value of the
- TMAP_category field is 1, the reproducing apparatus obtains the attribute information for the corresponding data stream, which is a secondary data stream, from a field added to the TMAP information or a particular file storing the attribute information.
- the navigation information can be written after all data streams, i.e., primary and second data streams, are written.
- the navigation information is written in the database area which stores management information and is positioned in front of the area in which the content data is written.
- the fact that the navigation information is written in the database area means that the database area of the storage medium 23 will be mapped to the database area 601 of the read-only recording medium as shown in FIG. 6.
- FIG. 7 is a block diagram of an apparatus for reproducing a read-only recording medium 71 having the data structure according to the present invention thereon.
- a reproducing controller 70 controls a driver 73 so that an optical pickup 72 can read the aforementioned data structure.
- the navigation information including the information shown in FIG. 3 and FIGS 4a and 4b is loaded into a memory 79 for reproduction of the recorded data.
- the reproducing controller 70 controls the driver 73 to read a recorded title (primary data stream) from the recording medium 71.
- the user input may specify the recorded title to read, which is managed as an EVOB by the navigation information.
- the user input may be entered through a graphical user interface pre-programmed in the reproducing controller 70.
- the reproducing controller 70 controls the reproduction of the specified title with reference to the user input and the loaded navigation information. If the TMAP_category field contained in the TMAP information for the specified title (EVOB) in the loaded navigation information, i.e., video title set information (VTSI) indicates that the title is a primary data stream, the recording controller 70 reads the EVOB attribute information contained in the video title set information (VTSI) and sets the operation mode of an A/V decoder 76 accordingly based on the attribute information.
- VTSI video title set information
- the recording controller 70 controls the optical pickup 72 to read data from the start position of the EVOB corresponding to the specified title based on the information on the start position of the EVOB contained in the TMAP information of the selected title (e.g., file name or distance from the start position of the video title set information (VTSI) expressed in terms of the number of logical blocks) .
- VTSI video title set information
- a deformatter 94 receives a data stream reproduced by the driver 3 and the optical pickup 2 and provides the data to a multiplexer 95 after performing error correction operations.
- the demultiplexer 75 demultiplexes the input data stream into audio and video data.
- the A/V decoder 76 retrieves original video and audio signals by decoding the primary video and audio data. During the reproduction process, the operation of the deformatter 74, demultiplexer 75, and A/V decoder 76 is supervised by the reproducing controller 70.
- the A/V decoder 76 may comprises a plurality of internal decoders so as to decode the primary A/V data, secondary video and/or audio data simultaneously.
- the data stream of the secondary content is decoded together with the selected primary data stream.
- the link to the secondary content is obtained by specifying the TMAP information associated with the secondary content, which can be conducted in various ways.
- the link to the TMAP information of the secondary data stream may be added to the management information for the selected title, the link to the TMAP information may be implicit by giving the TMAP information the same name as the linked EVOB file except for the extension, the name of the linked TMAP file may be specified in a separate script file written in a markup language (e.g., xml) , or the user may specify a TMAP file.
- the reproducing controller 70 is equipped with the function of interpretation of the used markup language.
- the reproducing controller 70 reads the TMAP__category field contained in the TMAP information. If the TMAP_category field indicates that the associated stream is a secondary data stream, the reproducing controller 70 reads the S_EVOB attribute information which is stored in a field of the TMAP information or in a separate file and sets values necessary for the operation of the A/V decoder 76 based on the attribute information. Also, the reproducing controller 70 controls the optical pickup 72 to reproduce recorded data from the start position of the secondary content data (S_EVOB) based on the S_EVOB start position information (e.g., file name or S_EVOB start address) contained in the specified TMAP information.
- S_EVOB secondary content data
- the selected primary title and its secondary content data cannot be reproduced simultaneously from the recording medium 71.
- the reproducing controller 70 first loads E_SVOB data into the memory 79 based on the TMAP information of the secondary content data. After finishing the loading of the E_SOVB data, the reproducing controller 70 performs the reproduction of the selected primary title (EVOB) . During the reproduction of the primary title, the reproducing controller 70 provides the secondary data stream loaded in the memory 19 to the A/V decoder 76, thereby the primary title and its secondary data being decoded together.
- the secondary content data associated with the selected title may be obtained from a server (not illustrated) through a network rather than from the recording medium 71. In this case, the apparatus shown in FIG. 7 has additional network interfacing means. When obtaining the secondary content data through a network, the TMAP information for the secondary content data (E_SVOB) as well as the data stream of the content is obtained from the network.
- the TMAP_category field of the TMAP information for the secondary content data which is not provided together with the primary data stream (EVOB) through the recording medium 71 has a value indicative of the fact, e.g., a value of 2.
- the information on the start position of the secondary content data provided through the network and stored in the memory 79 temporarily, which is written in the TiVIAP information for the secondary content data, is expressed in terms of the number of bytes from the start position of the TMAP information. This is for the case where the secondary content data and TMAP information therefor are provided as a single file in which the TMAP information precedes the content data. If the secondary content data and TMAP information are provided as separate files, the file name of the secondary content data can be written in the information on the start position of the secondary content data contained in the TMAP information.
- the reproducing controller 70 loads the secondary content data from a temporary memory (e.g., the memory 79) based on the information on the start position of the secondary content data (e.g., the number of bytes from the start position of the TMAP information) .
- the attribute information for the secondary content data is obtained from the TMAP information or a received file as described above.
- At least one embodiment of the present invention facilitates the design and upgrade of firmware for operating reproducing apparatuses in that the structure of the navigation information for primary content data can accommodate the navigation information for secondary content data associated with the primary content data.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05823692A EP1834326A4 (en) | 2004-12-29 | 2005-11-11 | Structure of navigation information for video data recorded on a recording medium and recording/reproducing method and apparatus using the structure |
CN2005800474327A CN101111893B (en) | 2004-12-29 | 2005-11-11 | Structure of navigation information for video data recorded on a recording medium and recording/reproducing method and apparatus using the structure |
BRPI0519689-2A BRPI0519689A2 (en) | 2004-12-29 | 2005-11-11 | navigational information structure for video data recorded on a recording medium and record / playback method and apparatus using the structure |
JP2007549239A JP2008525940A (en) | 2004-12-29 | 2005-11-11 | Structure of navigation information for video data recorded on a recording medium and recording / reproducing method and apparatus using the structure |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63980004P | 2004-12-29 | 2004-12-29 | |
US60/639,800 | 2004-12-29 | ||
KR1020050066196A KR20070011701A (en) | 2005-07-21 | 2005-07-21 | Structure of navigation information for video data recorded on a recording medium and recording/reproducing method and apparatus using the structure |
KR10-2005-0066196 | 2005-07-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006071000A1 true WO2006071000A1 (en) | 2006-07-06 |
Family
ID=36615090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2005/003819 WO2006071000A1 (en) | 2004-12-29 | 2005-11-11 | Structure of navigation information for video data recorded on a recording medium and recording/reproducing method and apparatus using the structure |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1834326A4 (en) |
JP (1) | JP2008525940A (en) |
CN (1) | CN101111893B (en) |
BR (1) | BRPI0519689A2 (en) |
RU (1) | RU2007129007A (en) |
WO (1) | WO2006071000A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010516011A (en) * | 2007-01-05 | 2010-05-13 | マイクロソフト コーポレーション | Optimization of HD-DVD timing and markup execution |
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JP2003006998A (en) * | 2001-06-22 | 2003-01-10 | Hitachi Ltd | File recording apparatus and file recording method |
WO2004001751A1 (en) * | 2002-06-24 | 2003-12-31 | Lg Electronics Inc. | Recording medium having data structure including navigation control information for managing reproduction of video data recorded thereon and recording and reproducing methods and apparatuses |
WO2004084212A1 (en) * | 2003-03-22 | 2004-09-30 | Samsung Electronics Co., Ltd | Information storage medium storing moving picture data and additional data, reproducing apparatus and method therefor |
WO2005038805A1 (en) * | 2003-10-17 | 2005-04-28 | Samsung Electronics Co., Ltd. | Storage medium storing moving-image data that includes mode information, and reproducing apparatus and method |
Family Cites Families (4)
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US20020131761A1 (en) * | 2001-01-16 | 2002-09-19 | Kojiro Kawasaki | Information recording medium, apparatus and method for recording/reproducing information to/from the medium |
KR20020097454A (en) * | 2001-06-21 | 2002-12-31 | 엘지전자 주식회사 | Apparatus and method for recording a multichannel stream and, medium thereof |
US8055117B2 (en) * | 2003-02-15 | 2011-11-08 | Lg Electronics Inc. | Recording medium having data structure for managing reproduction duration of still pictures recorded thereon and recording and reproducing methods and apparatuses |
US20080138041A1 (en) * | 2004-01-20 | 2008-06-12 | Satoshi Itoi | Data Recording Method, Data Playback Apparatus, and Recording Medium |
-
2005
- 2005-11-11 WO PCT/KR2005/003819 patent/WO2006071000A1/en active Application Filing
- 2005-11-11 RU RU2007129007/28A patent/RU2007129007A/en unknown
- 2005-11-11 EP EP05823692A patent/EP1834326A4/en not_active Withdrawn
- 2005-11-11 JP JP2007549239A patent/JP2008525940A/en not_active Withdrawn
- 2005-11-11 BR BRPI0519689-2A patent/BRPI0519689A2/en not_active Application Discontinuation
- 2005-11-11 CN CN2005800474327A patent/CN101111893B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003006998A (en) * | 2001-06-22 | 2003-01-10 | Hitachi Ltd | File recording apparatus and file recording method |
WO2004001751A1 (en) * | 2002-06-24 | 2003-12-31 | Lg Electronics Inc. | Recording medium having data structure including navigation control information for managing reproduction of video data recorded thereon and recording and reproducing methods and apparatuses |
WO2004084212A1 (en) * | 2003-03-22 | 2004-09-30 | Samsung Electronics Co., Ltd | Information storage medium storing moving picture data and additional data, reproducing apparatus and method therefor |
WO2005038805A1 (en) * | 2003-10-17 | 2005-04-28 | Samsung Electronics Co., Ltd. | Storage medium storing moving-image data that includes mode information, and reproducing apparatus and method |
Non-Patent Citations (1)
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010516011A (en) * | 2007-01-05 | 2010-05-13 | マイクロソフト コーポレーション | Optimization of HD-DVD timing and markup execution |
Also Published As
Publication number | Publication date |
---|---|
RU2007129007A (en) | 2009-02-10 |
CN101111893B (en) | 2011-08-31 |
BRPI0519689A2 (en) | 2009-03-03 |
JP2008525940A (en) | 2008-07-17 |
EP1834326A1 (en) | 2007-09-19 |
CN101111893A (en) | 2008-01-23 |
EP1834326A4 (en) | 2009-09-09 |
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