Patent application number | Description | Published |
20110080945 | APPARATUS AND METHOD FOR ADAPTING SCALABLE VIDEO CODING BITSTREAM - An apparatus and method for adapting a scalable video coding (SVC) bitstream is provided. The apparatus may include: a layer selection unit to select at least one quality layer from a plurality of quality layers contained in each of spatial layers of the SVC bitstream; a layer discarding unit to discard the at least one quality layer; and a layer dependency modification unit to modify a quality layer dependency between one or more quality layers remaining among the plurality of quality layers, or a spatial layer dependency between the plurality of spatial layers. Accordingly, it is possible to adapt the SVC bitstream where the entire quality of spatial layers is enhanced. | 04-07-2011 |
20110103474 | APPARATUS FOR TRANSFORMING MEDIUM GRAINED SCALABILITY-BASED SCALABLE VIDEO CODING BITSTREAM INTO ADVANCED VIDEO CODING BITSTREAM - A Medium Grained Scalability (MGS)-to-Advanced Video Coding (AVC) transform apparatus may modify an accumulated residual signal of at least one MGS layer of a key picture, included in an MGS-based Scalable Video Coding (SVC) bitstream, and rewrite the MGS-based SVC bitstream into an AVC bitstream. | 05-05-2011 |
20110235700 | APPARATUS AND METHOD FOR GENERALIZED FGS TRUNCATION OF SVC VIDEO WITH USER PREFERENCE - An apparatus for truncating fine granular scalability (FGS) data of a scalable video coding (SVC) video, the apparatus including: a rate-distortion (R-D) data extractor analyzing a bitstream to extract R-D data of at least one spatial layer; a user preference collector collecting user preference information associated with each spatial layer; a decision engine unit deciding an optimal bitrate of each spatial layer based on the R-D data and the collected user preference information; and a scaling engine unit truncating FGS data that does not correspond to the optimal bitrate of each spatial layer is provided. | 09-29-2011 |
20130124699 | APPARATUS AND METHOD FOR TRANSCEIVING A STREAMING SERVICE - Provided is an apparatus and method for transmitting and receiving a streaming service. The apparatus and method for transmitting and receiving a streaming service may use a light multimedia file suitable for a Hypertext Transfer Protocol (HTTP) streaming service. Using an HTTP hint track, an International Organization for Standardization (ISO) file generated in a non-interleaved storing scheme that is unsuitable for an HTTP streaming service may be converted into an ISO file based on an interleaved storing scheme that is suitable for an HTTP streaming service. An ISO file may include multiple media tracks for supporting multiple bitrates and resolutions. Chunk data of media tracks that provide multiple multimedia qualities may be effectively acquired, and a light ISO file suitable for an HTTP streaming service may be generated by storing the acquired chunk data in an interleaved scheme. | 05-16-2013 |
20130124749 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENTS - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata may include a minBufferTime attribute indicating a minimum amount of initially buffered media content. A terminal may receive content from a server before playback of the content, and may buffer the content by at least the minimum amount. The metadata may include a range attribute that designates a range of a target indicated by a Uniform Resource Locator (URL). The terminal may receive bytes designated by the range attribute from the URL, and may play back the content using the received bytes. | 05-16-2013 |
20130159546 | METHOD AND DEVICE FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata of the content may be efficiently divided for a purpose of use of a terminal based on general media information or specific media information, and may be transmitted to the terminal. A group may include one or more representations of content. The metadata may include a group element, and the group element may provide a summary of attributes of one or more representations included in the group. | 06-20-2013 |
20130166771 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata may include one or more BaseURL elements. Uniform Resource Locators (URLs) of segments forming media may be generated based on the BaseURL elements. Additionally, a URL of a segment may be generated by mapping a BaseURL element among the BaseURL elements to a sourceURL attribute of the segment. Segments indicated by generated URLs may be identical to each other. | 06-27-2013 |
20130185398 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of media content are provided. The media content may include a sequence of one or more periods. The metadata may include a start time attribute and/or a duration attribute of each of the periods. The metadata may determine a start time of each of the periods, and a start time of each of segments included in each of the periods. A terminal may access segments included in each of the periods, may decode and render data of media content included in the segments, and may play back the media content. | 07-18-2013 |
20130198790 | METHOD AND APPARATUS FOR ACCESSING SERVICE DISCOVERY METADATA - Provided is a method and apparatus for accessing service discovery metadata. Advance Internet Protocol Television (AIT) devices may access discovery metadata of different schemes using a generic protocol based on the moving picture experts group (MPEG) Extensible Middleware (MXM). According to the above access scheme, end-user devices, description service provider devices, and IPTV service provider devices may exchange metadata. Subsequent modification and addition of a metadata scheme may be supported. | 08-01-2013 |
20130282871 | STREAMING SERVICE TRANSMITTING/RECEIVING DEVICE AND METHOD - Provided is an apparatus and method for transmitting and receiving a streaming service. An inter-arrival jitter may correspond to a delay variation in arrival time between TCP packets arriving at an apparatus for receiving the streaming service. The apparatus for receiving the streaming service may determine a de-jitter buffering time to absorb a network jitter before TS packets in a TCP packet is input to a T-STD buffer model. Based on the de-jitter buffering time, an initial playout delay lime at the apparatus for receiving the streaming service may be determined. | 10-24-2013 |
20140006564 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT USING REPRESENTATIONS | 01-02-2014 |
20140122738 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata may include one or more BaseURL elements. Uniform Resource Locators (URLs) of segments forming media may be generated based on the BaseURL elements. Additionally, a URL of a segment may be generated by mapping a BaseURL element among the BaseURL elements to a sourceURL attribute of the segment. Segments indicated by generated URLs may be identical to each other. | 05-01-2014 |
20140122739 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata may include one or more BaseURL elements. Uniform Resource Locators (URLs) of segments forming media may be generated based on the BaseURL elements. Additionally, a URL of a segment may be generated by mapping a BaseURL element among the BaseURL elements to a sourceURL attribute of the segment. Segments indicated by generated URLs may be identical to each other. | 05-01-2014 |
20140280785 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of media content are provided. The media content may include a sequence of one or more periods. The metadata may include a start time attribute and/or a duration attribute of each of the periods. The metadata may determine a start time of each of the periods, and a start time of each of segments included in each of the periods. A terminal may access segments included in each of the periods, may decode and render data of media content included in the segments, and may play back the media content. | 09-18-2014 |
20140281013 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of media content are provided. The media content may include a sequence of one or more periods. The metadata may include a start time attribute and/or a duration attribute of each of the periods. The metadata may determine a start time of each of the periods, and a start time of each of segments included in each of the periods. A terminal may access segments included in each of the periods, may decode and render data of media content included in the segments, and may play back the media content. | 09-18-2014 |