US20070122118A1 - Method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data - Google Patents

Method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data Download PDF

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Publication number
US20070122118A1
US20070122118A1 US11613042 US61304206A US2007122118A1 US 20070122118 A1 US20070122118 A1 US 20070122118A1 US 11613042 US11613042 US 11613042 US 61304206 A US61304206 A US 61304206A US 2007122118 A1 US2007122118 A1 US 2007122118A1
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contents data
method
data
retrieved
contents
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Abandoned
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US11613042
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Kang Seo
Jea Yoo
Byung Kim
Hyung Kim
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LG Electronics Inc
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LG Electronics Inc
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    • HELECTRICITY
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    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85Assembly of content; Generation of multimedia applications
    • H04N21/858Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H04N21/8586Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
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    • GPHYSICS
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    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
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    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; 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
    • G11B27/30Indexing; 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
    • G11B27/3027Indexing; 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
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    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; 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
    • G11B27/32Indexing; 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
    • G11B27/327Table of contents
    • G11B27/329Table of contents on a disc [VTOC]
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    • H04N21/462Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
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    • HELECTRICITY
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    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309Transmission or handling of upstream communications
    • H04N7/17318Direct or substantially direct transmission and handling of requests
    • HELECTRICITY
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    • H04N9/80Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804Transformation 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
    • H04N9/8042Transformation 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
    • GPHYSICS
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    • G11B2220/25Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537Optical discs
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    • GPHYSICS
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    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
    • G11B2220/25Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537Optical discs
    • G11B2220/2579HD-DVDs [high definition DVDs]; AODs [advanced optical discs]
    • HELECTRICITY
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    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Structure of client; Structure of client peripherals using Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. Global Positioning System [GPS]
    • H04N21/42204User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/431Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4316Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • HELECTRICITY
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N21/00Selective content distribution, e.g. interactive television, VOD [Video On Demand]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/78Television signal recording using magnetic recording
    • H04N5/781Television signal recording using magnetic recording on disks or drums
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/84Television signal recording using optical recording
    • H04N5/85Television signal recording using optical recording on discs or drums
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/80Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82Transformation 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
    • H04N9/8205Transformation 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

Abstract

A method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data is disclosed. An interactive recording medium reproducing apparatus reproduces A/V data recorded on an interactive recording medium such as an interactive DVD in conjunction with contents data provided by a contents providing server using navigation information for the contents data also provided by the contents providing server, thereby allowing synchronized reproduction of data from different sources.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The present invention relates to a method for reproducing A/V data recorded on an interactive recording medium in conjunction with contents data recorded thereon or contents data provided by a contents providing server connected through the Internet.
  • 2. Description of the Related Art
  • High-density optical disks capable of recording large amounts of data are being widely used. The Digital Versatile Disc (DVD), which is a recording medium that is capable of recording large amounts of high-quality video data as well as digital audio data, is one example of these high-density optical disks.
  • The DVD includes a navigation data recording area in which navigation data required for playback control of A/V data is recorded and a data stream recording area in which digital data streams are recorded.
  • When a DVD is loaded into a DVD reproducing apparatus, the DVD reproducing apparatus first reads the navigation data recorded in the navigation data recording area and stores the navigation data in an internal memory. The DVD reproducing apparatus then begins reproduction of the DVD using the stored navigation data, thereby providing various functions of the DVD to a viewer.
  • The development of new interactive DVDs. is being progressing rapidly. Unlike the DVD, the interactive DVD (I-DVD) contains additional contents data, which is detailed information about A/V data recorded thereon and provides the contents data through a user interface. The contents data may be recorded on the I-DVD as html files.
  • In addition, a method for obtaining additional contents data from a contents providing server connected through the Internet while reproducing A/V data and contents data recorded on the I-DVD is under discussion. However, a method for effectively managing reproduction of A/V data and contents data responsive to a viewer's request is not yet available.
  • SUMMARY OF THE INVENTION
  • It is an object of the present invention to provide a method for reproducing data recorded on an interactive recording medium in conjunction with contents data provided by a contents providing server using navigation information for the contents data also provided by the contents providing server.
  • The method for reproducing A/V data recorded on an interactive recording medium in accordance with the present invention comprises the steps of (a) receiving playback control information for the A/V data from a contents providing server and storing the received playback control information and (b) presenting the A/V data reproduced from the interactive recording medium in conjunction with additional contents data received from the contents providing server using the stored playback control information.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The accompanying drawings, which are included to provide a further understanding of the invention, illustrate the preferred embodiments of the invention, and together with the description, serve to explain the principles of the present invention.
  • In the drawings:
  • FIG. 1 illustrates an interactive optical disk reproducing apparatus in which the present invention may be advantageously embodied;
  • FIG. 2 illustrates the relationship among an A/V data stream, contents navigation information, and contents data files in accordance with the present invention; and
  • FIG. 3 illustrates an embodiment of contents navigation information in accordance with the present invention.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • In order that the invention may be fully understood, preferred embodiments thereof will now be described with reference to the accompanying drawings.
  • FIG. 1 illustrates an interactive optical disk reproducing apparatus in which the present invention may be advantageously embodied. The reproducing apparatus 100 comprises an optical pickup 11, an IDVD system 12, a microcomputer 13, a buffer memory 14, and an Internet interface 15 through which the apparatus 100 is connected to a contents providing server 300.
  • The IDVD system 12 includes a DVD engine for reproducing A/V data recorded on an I-DVD 10 and an enhanced navigation (ENAV) engine for reproducing contents data provided by the contents providing server 300 or contents data recorded on the I-DVD 10.
  • The IDVD system 12 outputs the contents data in synchronization with the A/V data from the IDVD 10. As shown in FIG. 1, the reproducing apparatus 100 is connected to the contents providing server 300 through the Internet interface 15 by the mutual operations of the microcomputer 13 and the ENAV engine included in the IDVD system 12.
  • ENAV contents data, which is additional contents data associated with the A/V data being reproduced from the I-DVD 10, is downloaded from the contents providing server 300 and then temporarily stored in the buffer memory 14. The buffer memory 14 can be logically divided into a first buffer (buffer 1) and a second buffer (buffer 2).
  • The ENAV engine in the IDVD system 12 outputs the A/V data from the I-DVD 10 in synchronization with the ENAV contents data from the I-DVD 10 or outputs the A/V data from the I-DVD 10 in synchronization with the ENAV contents downloaded from the contents providing server 300.
  • The contents providing server 300 provides various ENAV contents data associated with the A/V data recorded on the I-DVD 10 as a plurality of data files and provides ENAV navigation information for synchronizing the A/V data with the data files. The navigation information may be provided all at once or may be divided into a plurality of pieces and provided one by one when needed.
  • As shown in FIG. 2, for example, a title of the I-DVD 10 is organized into individual chapters (Chapter#1, Chapter#2, . . . ) and one or more data files (File#1, File#2, . . . ) corresponding to each of the chapters are organized as an ENAV unit. Navigation information for anaging the data files included in the ENAV unit is provided as ENAV unit information (ENAV_Unit_Info).
  • The multiple pieces of ENAV unit information (ENAV_Unit#1_Info, ENAV_Unit#2_Info, . . . ) are defined as a linked list and transmitted along with the ENAV contents data files or transmitted before the ENAV contents data files are sent.
  • As shown in FIG. 3, the ENAV unit information includes file names of data files included in the associated ENAV unit (File(s) Name), addresses of the data files in the contents providing server 300 (File(s) Address), the presentation time of the associated ENAV unit (ENAV_Unit_Presentation_Time), and the total size of data files included in the next ENAV unit (Next_ENAV_Unit_Total File(s) Size).
  • The microcomputer 13 controls the DVD engine and the ENAV engine included in the IDVD system 12 using the ENAV unit information of the linked list provided by the contents providing server 300.
  • The microcomputer 13 correlates chapters of the A/V data stream reproduced by the DVD engine with data files reproduced by the ENAV engine using the fields of ‘File(s) Name’ and ‘File(s) Address’ included in the ENAV unit information.
  • In addition, the microcomputer 13 estimates the total presentation time of the ENAV unit being reproduced and determines if the total size of data files of the next ENAV unit exceeds the size of the remaining space of the memory buffer 14 using the fields of ‘ENAV_Unit_Presentation_Time’ and ‘Next_ENAV_Unit_Total File(s) Size’ included in the ENAV unit information. If the presentation of the ENAV unit being reproduced requires quite a long time and the memory buffer 14 has no remaining space, the microcomputer 13 sends a command to the contents providing server 300 to delay the transmission of the next ENAV unit data files by the contents providing server 300 for a prescribed time, for example, ½ of the estimated total presentation time of the current ENAV unit.
  • If the total size of data files of the next ENAV unit exceeds the size of the remaining space of the memory buffer 14, the microcomputer 13 sends a command to the contents providing server 300 for requiring that the contents providing server 300 transmit the data files of the next ENAV unit sequentially by organizing them into several groups or compress the data files before transmission so that the total size of the compressed data files may become less than a prescribed limit.
  • If the data files are compressed to be transmitted, the microcomputer 13 may present a desired compression rate to the contents providing server 300. For example, if the data files of the next ENAV unit need to be compressed by more than 30% to be stored in the memory buffer 14, the microcomputer 13 sends a desired compression rate of 30% to the contents providing server 300. If the compression rate is achievable, the contents providing sever 300 provides the data files after compression. Otherwise, the contents providing server 300 organizes the data files of the next ENAV unit into several groups and provides the groups sequentially.
  • By the aforementioned procedure, the interactive optical disk reproducing apparatus 100 can reproduce A/V data from the I-DVD 10 in conjunction with the ENAV contents data provided by the contents providing server 300.
  • One ENAV unit may correspond to more than one chapter and one chapter may correspond to more than one ENAV unit. The linked list may include other navigation information as well as the ENAV unit information and may be defined as other names such as ENAV playlist.
  • The method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data in accordance with the present invention allows synchronized reproduction of data from different sources in an interactive optical disk reproducing apparatus.
  • While the invention has been disclosed with respect to a limited number of embodiments, those skilled in the art, having the benefit of this disclosure, will appreciate numerous modifications and variations therefrom. It is intended that all such modifications and variations fall within the spirit and scope of the invention.

Claims (19)

  1. 1. A method of reproducing audiovisual content associated with contents data describing the audiovisual content, comprising:
    retrieving navigation information corresponding to the audiovisual content, the navigation information including location and time data associated with the contents data;
    retrieving the contents data based upon the location data included in the retrieved navigation information;
    correlating reproduction timing of the audiovisual content and the retrieved contents data based upon the time data included in the retrieved navigation information; and
    reproducing the audiovisual content and the retrieved contents data based upon the correlated reproduction timing.
  2. 2. The method of claim 1, wherein the contents data is retrieved via the Internet.
  3. 3. The method of claim 2, wherein the contents data is retrieved from a contents providing server via the Internet.
  4. 4. The method of claim 1, wherein the contents data is retrieved from a stream of audiovisual content.
  5. 5. The method of claim 1, wherein the contents data is retrieved from an optical disc.
  6. 6. The method of claim 1, wherein the time data is indicative of a presentation time of associated contents data.
  7. 7. The method of claim 1, wherein the contents data includes enhanced navigation (“ENAV”) contents data.
  8. 8. The method of claim 1, wherein the navigation information includes enhanced navigation (“ENAV”) unit information.
  9. 9. The method of claim 1, wherein the navigation information includes content mapping information.
  10. 10. The method of claim 1, wherein the navigation information includes a metadata pointer descriptor.
  11. 11. The method of claim 1, wherein the navigation information is linked to, and is thereby associated with, the contents data.
  12. 12. The method of claim 1, wherein the navigation information is retrieved via the Internet.
  13. 13. The method of claim 1, wherein the navigation information is retrieved from an optical disc.
  14. 14. The method of claim 1, wherein the navigation information is retrieved from a stream of audiovisual content.
  15. 15. The method of claim 1, wherein correlating reproduction timing of the audiovisual content and the retrieved contents data further comprises estimating a total presentation time of the contents data based upon the time data.
  16. 16. The method of claim 15, wherein correlating reproduction timing of the audiovisual content and the retrieved contents data further comprises:
    determining a total size of the contents data based upon the estimated total presentation time;
    comparing the total size of the contents data with remaining space in a memory buffer;
    determining if sufficient remaining space exists in the memory buffer based upon comparing the total size of the contents data with the remaining space in the memory buffer;
    sending a command to delay transmission of the contents data, if it is determined that insufficient space exists in the memory buffer.
  17. 17. The method of claim 16 wherein sending a command to delay transmission of the contents data further comprises sending a command to transmit a portion of the contents data, to sequentially transmit the contents data, or to compress the contents data prior to transmission.
  18. 18. The method of claim 1, wherein the time data includes a contents time base value.
  19. 19. A device for reproducing audiovisual content associated with contents data describing the audiovisual content, the device comprising:
    a buffer memory configured to:
    retrieve navigation information corresponding to the audiovisual content, the navigation information including location and time data associated with the contents data, and
    retrieve the contents data based upon the location data included in the retrieved navigation information;
    a processor configured to correlate reproduction timing of the audiovisual content and the retrieved contents data based upon the time data included in the retrieved navigation information; and
    an engine configured to reproduce the audiovisual content and the retrieved contents data based upon the correlated reproduction timing.
US11613042 2000-06-24 2006-12-19 Method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data Abandoned US20070122118A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR00-35157 2000-06-24
KR20000035157A KR100424481B1 (en) 2000-06-24 2000-06-24 Apparatus and method for recording and reproducing a digital broadcasting service information on optical medium
US10729558 US7610359B2 (en) 2002-12-07 2003-12-04 Method and apparatus for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data recorded in multiple locations
US11613042 US20070122118A1 (en) 2000-06-24 2006-12-19 Method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11613042 US20070122118A1 (en) 2000-06-24 2006-12-19 Method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data
US12511591 US7778523B2 (en) 2000-06-24 2009-07-29 Method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data
US12534334 US7715694B2 (en) 2000-06-24 2009-08-03 Apparatus and method of reproducing audio/video data and additional data associated with the audio/video data
US12693102 US8676028B2 (en) 2000-06-24 2010-01-25 Method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data
US12693131 US8699854B2 (en) 2000-06-24 2010-01-25 Method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US10729558 Continuation US7610359B2 (en) 2002-12-07 2003-12-04 Method and apparatus for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data recorded in multiple locations

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12693102 Continuation US8676028B2 (en) 2000-06-24 2010-01-25 Method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data
US12693131 Continuation US8699854B2 (en) 2000-06-24 2010-01-25 Method for reproducing data recorded on an interactive recording medium in conjunction with associated auxiliary data

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US20070122118A1 true true US20070122118A1 (en) 2007-05-31

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US09888761 Active 2024-10-11 US7139467B2 (en) 2000-06-24 2001-06-25 Recording medium containing supplementary service information for audio/video contents, and method and apparatus of providing supplementary service information of the recording medium
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