WO2012138103A2 - 단말 적응형 콘텐츠 생성 장치, 콘텐츠 재생 장치 및 방법 - Google Patents
단말 적응형 콘텐츠 생성 장치, 콘텐츠 재생 장치 및 방법 Download PDFInfo
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- WO2012138103A2 WO2012138103A2 PCT/KR2012/002498 KR2012002498W WO2012138103A2 WO 2012138103 A2 WO2012138103 A2 WO 2012138103A2 KR 2012002498 W KR2012002498 W KR 2012002498W WO 2012138103 A2 WO2012138103 A2 WO 2012138103A2
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/71—Indexing; Data structures therefor; Storage structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/85406—Content authoring involving a specific file format, e.g. MP4 format
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8543—Content authoring using a description language, e.g. Multimedia and Hypermedia information coding Expert Group [MHEG], eXtensible Markup Language [XML]
Definitions
- the present invention relates to adaptive content generation and playback, and more particularly, to adapt the content to the resolution of the terminal when the rich media content generated using MPEG Lightweight Application Scene Representation (LASeR) is different from the preset content resolution.
- the present invention relates to a terminal adaptive content generating device for playing back, and a playback device and method for playing the same.
- a content authoring method and method for coping one content with a terminal having various specifications has been widely used.
- the most widely used content authoring method is to produce content with a sufficiently large resolution size and perform a decoding operation regardless of the specification of the terminal, and then simply reduce the rendering size for a low resolution terminal.
- Another method is to convert the authored content to a version for low end devices using a server or other tool.
- Another method is to author various content contents in consideration of terminals of various specifications in one set of contents, and to reproduce the contents according to the terminal specifications according to the branch or other method according to the selection. exist.
- an object of the present invention is a terminal adaptive content that can be configured in stages of media data to be rendered at low resolution and media data to be rendered at high resolution when authoring rich media content using MPEG LASeR. To provide a generating apparatus and method.
- Another object of the present invention is to provide a content reproducing apparatus and method capable of extracting and playing only necessary media from among staged media based on the resolution of a terminal device.
- an apparatus for generating adaptive terminal content may include: a base level media having a first resolution based on rich media content, and at least a stepwise higher resolution than the first resolution.
- a media generation unit for generating one or more extension level media a metadata generation unit for generating base level media generated by the media generation unit and metadata for accessing the extension level media, and a database in which a file of the rich media content including the feature information, metadata, base level media, and at least one extended level media is stored.
- an apparatus for generating adaptive content of a terminal according to a rich media content request of a terminal device includes at least one base level media of the requested rich media content or at least one of the base level media based on specification information of the terminal device. It further comprises a content providing unit for selectively providing the above-described extension level media.
- the terminal adaptive content generating apparatus provides only metadata and feature information and basic level media corresponding to the requested rich media content according to the content request of the terminal device, and then adds the terminal device based on the request of the terminal device. It further comprises a content providing unit for selectively providing the one or more extension level media.
- the content playback apparatus is to play the loaded content on the basis of the media information extracted from the file of the content requested by the content generating device and the specification information of the terminal device
- a content analyzer which determines a resolution, and loads only the base level media included in the loaded content based on the determined resolution, or loads the base level media included in the loaded content and at least one extended level media.
- Including a media decoder It is characterized by.
- the content analyzing unit may determine a resolution at which the content is reproduced by comparing the information of the base level media with the specification information of the terminal device.
- the media loading unit may be provided by requesting at least one extension level media to the content generating apparatus based on the determined resolution.
- the content playback apparatus is to determine the resolution at which the content consisting of the stepped media to be played, and selectively combining the stepped media of the content based on the determined resolution Generating a combined media, and decoding the combined media to play on the display unit.
- the determining of the resolution in the content reproducing apparatus may include requesting, loading, and loading the content from the content generating apparatus, and comparing the information of the loaded content with the specification information of the terminal device. And determining the resolution at which the content is to be played back.
- the generating of the combined media in the content reproducing apparatus may include extracting a base level media and at least one extended level media from the loaded content based on the determined resolution, and extracting the extracted extended level.
- the combination media is generated using media and base level media.
- the determining of the resolution in the content reproducing apparatus may include receiving and providing a base level media and information about the level media among the staged media of the content, the base level media and And determining the resolution at which the content is to be reproduced by comparing the information with the specification information of the terminal device.
- the generating of the combined media in the content reproducing apparatus may include: requesting and providing the content generating apparatus with at least one or more extended level media required for reproducing the content based on the determined resolution; And generating the combination media by using the provided extended level media and the base level media.
- the rich media content is stored in a staged medium and stored in a database, it is not necessary to prepare the same content in various versions for each specification of the terminal device having the content reproducing apparatus, thereby providing convenience in content management.
- the present invention has the effect of reducing the data redundancy and the load of the terminal device by configuring the rich media content in staged media, and reproduce it through a combination of staged media based on the specification information of the terminal device.
- FIG. 1 is a diagram illustrating an entire network to which a rich media content providing and reproducing apparatus according to an embodiment of the present invention is applied.
- FIG. 2 is a diagram illustrating an example in which rich media content is configured in staged media according to an embodiment of the present invention.
- FIG. 3 is a diagram illustrating a configuration of a file of rich media content according to an embodiment of the present invention.
- FIG. 4 is a flowchart illustrating a rich media content playback process according to an embodiment of the present invention.
- Combinations of each block of the accompanying block diagram and each step of the flowchart may be performed by computer program instructions.
- These computer program instructions may be mounted on a processor of a general purpose computer, special purpose computer, or other programmable data processing equipment such that instructions executed through the processor of the computer or other programmable data processing equipment may not be included in each block or flowchart of the block diagram. It will create means for performing the functions described in each step.
- These computer program instructions may be stored in a computer usable or computer readable memory that can be directed to a computer or other programmable data processing equipment to implement functionality in a particular manner, and thus the computer usable or computer readable memory.
- instructions stored in may produce an article of manufacture containing instruction means for performing the functions described in each block or flowchart of each step of the block diagram.
- Computer program instructions may also be mounted on a computer or other programmable data processing equipment, such that a series of operating steps may be performed on the computer or other programmable data processing equipment to create a computer-implemented process to create a computer or other programmable data. Instructions that perform processing equipment may also provide steps for performing the functions described in each block of the block diagram and in each step of the flowchart.
- each block or step may represent a portion of a module, segment or code that includes one or more executable instructions for executing a specified logical function (s).
- a specified logical function s.
- the functions noted in the blocks or steps may occur out of order.
- the two blocks or steps shown in succession may in fact be executed substantially concurrently or the blocks or steps may sometimes be performed in the reverse order, depending on the functionality involved.
- FIG. 1 is a diagram illustrating an entire network to which a rich media content generating and reproducing apparatus is applied according to an embodiment of the present invention. It may include.
- the rich media content is generated in anticipation of the highest specification of the rich media content playback apparatus 200 and may be generated based on MPEG LASeR.
- MPEG LASeR is a mobile rich media standard that extends the SVC (Scalable Video Coding) standard and adds the specifications required for multimedia services.
- SVC Scalable Video Coding
- graphics and animation elements can be transferred to rich media content playback devices 200, such as mobile telephones, smart phones, portable computers, personal digital assistants (PDAs), laptops or laptop computers.
- PDAs personal digital assistants
- the rich media content generating apparatus 100 generates staged rich media corresponding to resolutions or display specifications of different rich media content playback apparatuses 200, and generates the rich media through the wired / wireless communication network 150.
- the content reproducing apparatus 200 may be provided.
- Rich media content generating apparatus 100 as shown in detail in Figure 1, the media generating unit 102, metadata generating unit 104, feature information generating unit 106, content
- the provider 108 and the database 110 may be included.
- the media generator 102 may reconstruct the rich media content into a plurality of media having a pyramid hierarchy in consideration of the resolution of the rich media content reproducing apparatus 200 or the terminal apparatus provided with the rich media content reproducing apparatus 200. have.
- the media generator 102 may add the rich media content to the base level media 120 and the base level media 120 as shown in FIG. 2. It can be configured separately from the two extension level media (122, 124).
- the base level media 120 is played at the lowest resolution, and the first and second extended level media 122 and 124 may be selectively played in combination with the base level media 120, respectively.
- the media 120 may be played at a resolution higher than that at which the media 120 is played.
- the first and second enhanced level media 122, 124 may each have a higher resolution in stages than the base level media 120, and may be intermediate through the combination of the base level media 120 and the first extended level media 122.
- Mid-level media 130 can be created that can be played at a resolution and can be played at the highest resolution through a combination of mid-level media 130 and second extended level media 122. Can be generated.
- the metadata generator 104 generates metadata for accessing the media of each stage generated by the media generator 102.
- the meta data generator 104 may generate, for example, metadata that may access the base level media 120 and the first and second extended level media 122 and 124, and convert the generated metadata into rich media content. It can be stored in 'ilco / iinf' which is a predetermined area of the file. Accordingly, the rich media content reproducing apparatus 200 may access the base level media 120 and the first and second extended level media 122 and 124 to play the rich media content with reference to metadata stored in a predetermined region.
- the feature information generator 106 may generate feature information about the rich media content, that is, the feature information of the LASeR file and the feature information of the general media may be generated from the rich media content.
- the feature information may include a media type, a decoder type, a media file size, and related information.
- the rich media content may be stored in the database 110 in stepped media form along with the feature information and the metadata.
- the file of the rich media content includes a moov area 300 in which feature information of the LASeR file and feature information of the media file are set, and LASeR streams and levels for the rich media content.
- the mdat area 310 in which the media is stored and the meta area 320 in which the meta data is stored may be configured.
- the content providing unit 108 may provide only the base level media 120 of the rich media content or the base level media 122 based on the specification information of the terminal device according to the request of the rich media content playback device 200 of the terminal device.
- at least one or more of the first and second enhanced level media 122 and 124 may be selectively provided. That is, when the terminal device cannot play the staged media, only the basic level media 120 is provided to the terminal device. When the terminal device can play the staged media, the terminal device requests the rich media content playback device 200 of the terminal device. Based on the base level media 120, at least one or more of the first and second enhanced level media (122, 124) may be selectively provided.
- the rich media content generating apparatus 100 by configuring the rich media content as staged media and storing the rich media content in a file format in the database 110, the rich media content playing apparatus 200 or the rich media content. Since it is not necessary to prepare the same content in various versions for each specification of the terminal device provided with the playback device, the convenience of content management can be enhanced.
- the media in the embodiment of the present invention may include a multimedia stream composed of video and audio data as well as image data.
- the rich media content playing apparatus 200 is for requesting and playing rich media content through the communication network 150.
- the content analyzing unit 202, the media loading unit 204, and the media combining unit 206 are provided.
- the content analyzer 202 extracts a LASeR stream in the mdat area 310 of the rich media content file provided from the rich media content generating apparatus 100, extracts scene size information of the rich media content, extracts the extracted scene size information, and By comparing the specification information of the terminal device, it is possible to determine the resolution of the rich media content to be played by the rich media content reproducing apparatus 200 and to check whether the rich media content includes the staged media.
- the information regarding the resolution and whether the media is included in the stage may be provided to the media loading unit 204.
- the specification information of the terminal device may include a resolution supported by the terminal device, the size of the display unit 210, and the like.
- the content analyzer 202 determines the expansion level media to be requested based on the resolution determined when the rich media content includes the staged media, and then determines the expanded level media, for example, the first expansion level media 122. 100 may be requested. Accordingly, the media loading unit 204 receives the first extended level media 122 from the rich media content generating apparatus 100, and provides the provided first extended level media 122 to the media combination unit 206. can do.
- the media loading unit 204 may extract necessary media from the rich media content loaded in the rich media content reproducing apparatus 200 based on the resolution determined by the content analyzing unit 202.
- the media combiner 206 combines the base level media 120 and the first extended level media 122 or the second extended level media 124 to generate the combined media and provide the combined media to the media decoder 208. Can be.
- the media decoder 208 may decode the combined media and render and reproduce the decoded image, graphic, text data, and the like on the display unit 210.
- FIG. 4 is a flowchart illustrating a process of playing rich media content according to an embodiment of the present invention.
- the rich media content playing apparatus 200 requests the rich media content generating apparatus 100 from the rich media content generating apparatus 100 based on a user's request.
- the content providing unit 108 may provide the rich media content playback apparatus 200 with a file of the requested rich media content, that is, a rich media content having a file structure as illustrated in FIG. 3.
- the loading unit 204 of the rich media content playback device 200 loads a file of the rich media content provided from the rich media content generation device 100 (S400).
- the content analyzer 204 extracts scene size information of the rich media content by analyzing the LASeR stream and the media in the mdat region 310 of the loaded rich media content file (S402), and extracts the extracted scene size information and the terminal device. Specifications information, for example, the resolution and the size of the display unit 210 are compared to determine the resolution of the rich media content to be rendered in the rich media content playback apparatus 200 (S404).
- the content analyzer 202 determines whether stepped media is included in the rich media content (S406). That is, the content analyzer 202 may determine whether stepped media is included in the rich media content by analyzing the information of the mdat area 310 or the meta area 320 of the rich media content.
- the media loading unit 204 turns on the staged media combining function (S408), and then only the media required for the media loaded in the rich media content reproducing apparatus 200 based on the resolution determined. For example, only the base level media 120 and the first extended level media 122 may be extracted and then provided to the media combination unit 206.
- the media combination unit 206 combines the base level media 120 and the provided first expansion level media 122 to generate a combined media (S410).
- the media decoder 208 decodes the combined media (S412), and displays the image, graphics, text data, and the like of the decoded combined media on the display unit 210, thereby reproducing the rich media content playback apparatus 200.
- the rich media content that matches the resolution is played back (S414).
- step S406 when it is determined in step S406 that the stepped media is not included, the media loading unit 204 turns off the stepped media combining function (S416), and proceeds to step S412 in which the rich media provided from the rich media content generating apparatus 100 is provided. Play the content.
- the entire content of the rich media content has been described as an example.
- only the basic level media may be loaded first, and then the enhanced level media may be requested and provided according to the determined resolution.
- the media loading unit 204 may request the rich media content generation device 100 to receive the first or second extended level media 122 or 124 based on the resolution determined by the content analyzer 202. have.
- the content generating device may be used as a technology for managing content to be provided to a terminal device having various specifications such as a mobile communication terminal.
- the content reproducing apparatus can be used not only as a technique for reproducing contents composed of staged media, but also as a technique for reducing the load of the terminal apparatus.
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Abstract
Description
Claims (14)
- 리치 미디어 콘텐츠를 기반으로 제 1 해상도를 갖는 기본 레벨 미디어와 상기 제 1 해상도보다 단계적으로 높은 해상도를 갖는 적어도 하나 이상의 확장 레벨 미디어를 생성하는 미디어 생성부와,상기 미디어 생성부에서 생성된 기본 레벨 미디어와 상기 하나 이상의 확장 레벨 미디어에 접근할 수 있는 메타 데이터를 생성하는 메타 데이터 생성부와,상기 리치 미디어 콘텐츠에 대한 특징 정보를 생성하는 특징 정보 생성부와,상기 특징 정보, 메타 데이터, 기본 레벨 미디어 및 적어도 하나 이상의 확장 레벨 미디어를 포함하는 상기 리치 미디어 콘텐츠의 파일이 저장되어 있는 데이터베이스를 포함하는 것을 특징으로 하는 단말 적응형 콘텐츠 생성 장치.
- 제 1 항에 있어서,상기 단말 적응형 콘텐츠 생성 장치는,단말 장치의 리치 미디어 콘텐츠 요청에 따라 상기 단말 장치의 사양 정보에 의거하여 상기 요청한 리치 미디어 콘텐츠의 기본 레벨 미디어 또는 상기 기본 레벨 미디어와 적어도 하나 이상의 확장 레벨 미디어를 선택적으로 제공하는 콘텐츠 제공부를 더 포함하는 것을 특징으로 하는 단말 적응형 콘텐츠 생성 장치.
- 제 1 항에 있어서,상기 단말 적응형 콘텐츠 생성 장치는,단말 장치의 콘텐츠 요청에 따라 상기 요청한 리치 미디어 콘텐츠에 대응되는 메타 데이터와 특징 정보 및 기본 레벨 미디어만을 제공한 후 상기 단말 장치의 추가 요청에 의거하여 상기 하나 이상의 확장 레벨 미디어를 선택적으로 제공하는 콘텐츠 제공부를 더 포함하는 것을 특징으로 하는 단말 적응형 콘텐츠 생성 장치.
- 콘텐츠 생성 장치에 요청하여 로딩받은 콘텐츠의 파일로부터 추출한 미디어 정보와 단말 장치의 사양 정보에 의거하여 상기 로딩된 콘텐츠가 재생될 해상도를 결정하는 콘텐츠 분석부와,상기 결정된 해상도에 의거하여 상기 로딩된 콘텐츠에 포함된 기본 레벨 미디어만을 로딩하거나, 상기 로딩된 콘텐츠에 포함된 기본 레벨 미디어와 적어도 하나 이상의 확장 레벨 미디어를 로딩하는 미디어 로딩부와,상기 미디어 로딩부에서 로딩된 기본 레벨 미디어와 상기 적어도 하나 이상의 확장 레벨 미디어를 조합하여 조합 미디어를 생성하는 미디어 조합부와,상기 기본 레벨 미디어 또는 상기 조합 미디어를 복호화하여 표시부에 디스플레이해주는 미디어 복호화부를 포함하는 것을 특징으로 하는 단말 적응형 콘텐츠 재생 장치.
- 제 4 항에 있어서,상기 콘텐츠 분석부는,상기 기본 레벨 미디어의 정보와 상기 단말 장치의 사양 정보간의 비교를 통해 상기 콘텐츠가 재생될 해상도를 결정하는 것을 특징으로 하는 단말 적응형 콘텐츠 재생 장치.
- 제 5 항에 있어서,상기 미디어 로딩부는,상기 결정된 해상도에 의거하여 상기 콘텐츠 생성 장치에 적어도 하나 이상의 확장 레벨 미디어를 추가 요청하여 제공받는 것을 특징으로 하는 단말 적응형 콘텐츠 재생 장치.
- 리치 미디어 콘텐츠를 기반으로 제 1 해상도를 갖는 기본 레벨 미디어를 생성하는 단계와,상기 기본 레벨 미디어의 제 1 해상도보다 단계적으로 높은 해상도를 갖는 적어도 하나 이상의 확장 레벨 미디어를 생성하는 단계와,상기 기본 레벨 미디어와 상기 하나 이상의 확장 레벨 미디어에 접근할 수 있는 메타 데이터를 생성하는 단계와,상기 리치 미디어 콘텐츠에 대한 특징 정보를 생성하는 단계와,상기 특징 정보, 메타 데이터, 기본 레벨 미디어 및 적어도 하나 이상의 확장 레벨 미디어를 포함하는 상기 리치 미디어 콘텐츠의 파일을 데이터베이스에 저장하는 단계를 포함하는 것을 특징으로 하는 단말 적응형 콘텐츠 생성 방법.
- 제 7 항에 있어서,단말 장치의 리치 미디어 콘텐츠 요청에 따라 상기 단말 장치의 사양 정보에 의거하여 상기 요청한 리치 미디어 콘텐츠의 기본 레벨 미디어 또는 상기 기본 레벨 미디어와 적어도 하나 이상의 확장 레벨 미디어를 상기 단말 장치에 선택적으로 제공하는 단계를 더 포함하는 것을 특징으로 하는 단말 적응형 콘텐츠 생성 방법.
- 제 7 항에 있어서,단말 장치의 콘텐츠 요청에 따라 상기 요청한 리치 미디어 콘텐츠에 대응되는 메타 데이터와 특징 정보 및 기본 레벨 미디어를 상기 단말 장치에 제공하는 단계와,상기 단말 장치의 추가 요청에 의거하여 상기 하나 이상의 확장 레벨 미디어를 상기 단말 장치에 선택적으로 제공하는 단계를 더 포함하는 것을 특징으로 하는 단말 적응형 콘텐츠 생성 방법.
- 단계적 미디어로 구성된 콘텐츠가 재생될 해상도를 결정하는 단계와,상기 결정된 해상도에 의거하여 상기 콘텐츠의 단계적 미디어를 선택적으로 조합하여 조합 미디어를 생성하는 단계와,상기 조합 미디어를 복호화하여 표시부에 재생하는 단계를 포함하는 것을 특징으로 하는 단말 적응형 콘텐츠 재생 방법.
- 제 10 항에 있어서,상기 해상도를 결정하는 단계는,상기 콘텐츠를 콘텐츠 생성 장치에 요청하여 제공받아 로딩하는 단계와,상기 로딩된 콘텐츠의 정보와 단말 장치의 사양 정보간의 비교를 통해 상기 콘텐츠가 재생될 해상도를 결정하는 단계를 포함하는 것을 특징으로 하는 단말 적응형 콘텐츠 재생 방법.
- 제 11 항에 있어서,상기 조합 미디어를 생성하는 단계는,상기 결정된 해상도에 의거하여 상기 로딩된 콘텐츠에서 기본 레벨 미디어와 적어도 하나 이상의 확장 레벨 미디어를 추출하고, 상기 추출된 확장 레벨 미디어와 기본 레벨 미디어를 이용하여 상기 조합 미디어를 생성하는 것을 특징으로 하는 단말 적응형 콘텐츠 재생 방법.
- 제 10 항에 있어서,상기 해상도를 결정하는 단계는,상기 콘텐츠의 단계적 미디어 중 기본 레벨 미디어와 그에 대한 정보를 상기 콘텐츠 생성 장치에 요청하여 제공받는 단계와,상기 기본 레벨 미디어 및 그에 대한 정보와 상기 단말 장치의 사양 정보간의 비교를 통해 상기 콘텐츠가 재생될 해상도를 결정하는 단계를 포함하는 것을 특징으로 하는 단말 적응형 콘텐츠 재생 방법.
- 제 13 항에 있어서,상기 조합 미디어를 생성하는 단계는,상기 결정된 해상도에 의거하여 상기 콘텐츠의 재생에 필요한 적어도 하나 이상의 확장 레벨 미디어를 상기 콘텐츠 생성 장치에 요청하여 제공받는 단계와,상기 제공받은 확장 레벨 미디어와 상기 기본 레벨 미디어를 이용하여 상기 조합 미디어를 생성하는 단계를 포함하는 것을 특징으로 하는 단말 적응형 콘텐츠 재생 방법.
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| US14/009,274 US20140181879A1 (en) | 2011-04-04 | 2012-04-03 | Device-adaptable contents generation device, contents Device-adaptable contents generation device, contents reproduction device, and method thereof |
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| KR1020110030755A KR20120113057A (ko) | 2011-04-04 | 2011-04-04 | 단말 적응형 콘텐츠 생성 장치, 콘텐츠 재생 장치 및 방법 |
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| US7830965B2 (en) * | 2004-01-14 | 2010-11-09 | Sony Ericsson Mobile Communications Ab | Multimedia distributing and/or playing systems and methods using separate resolution-enhancing supplemental data |
| KR100686521B1 (ko) * | 2005-09-23 | 2007-02-26 | 한국정보통신대학교 산학협력단 | 비디오 및 메타데이터의 통합을 위한 비디오 멀티미디어응용 파일 형식의 인코딩/디코딩 방법 및 시스템 |
| US8996589B2 (en) * | 2006-11-14 | 2015-03-31 | Accenture Global Services Limited | Digital asset management data model |
| KR100982111B1 (ko) * | 2007-11-20 | 2010-09-14 | 에스케이 텔레콤주식회사 | 리치 미디어 전송 시스템 및 그 제어방법 |
| US8208006B2 (en) * | 2008-04-10 | 2012-06-26 | Research In Motion Limited | Method and system for progressive delivery and synchronization of discrete content in rich media services |
| KR20100036156A (ko) * | 2008-09-29 | 2010-04-07 | 삼성전자주식회사 | 리치미디어 서비스를 제공하는 방법 및 장치 |
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| US20140181879A1 (en) | 2014-06-26 |
| WO2012138103A3 (ko) | 2013-01-10 |
| KR20120113057A (ko) | 2012-10-12 |
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