KR20070041285A - 휴대방송 시스템에서 선호 채널 관리 장치 및 방법 - Google Patents
휴대방송 시스템에서 선호 채널 관리 장치 및 방법 Download PDFInfo
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- KR20070041285A KR20070041285A KR1020060004151A KR20060004151A KR20070041285A KR 20070041285 A KR20070041285 A KR 20070041285A KR 1020060004151 A KR1020060004151 A KR 1020060004151A KR 20060004151 A KR20060004151 A KR 20060004151A KR 20070041285 A KR20070041285 A KR 20070041285A
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- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/18—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with elements moving in a straight line, e.g. along a track; Mobile sprinklers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/38—Flow control; Congestion control by adapting coding or compression rate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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- B05C19/008—Accessories or implements for use in connection with applying particulate materials to surfaces; not provided elsewhere in B05C19/00
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/43—Assembling or disassembling of packets, e.g. segmentation and reassembly [SAR]
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- 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, manipulating MPEG-4 scene graphs
- H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving management of server-side video buffer
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- 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, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234318—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into objects, e.g. MPEG-4 objects
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- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
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- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
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- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
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- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
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- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
- H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency
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- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
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- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44012—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving rendering scenes according to scene graphs, e.g. MPEG-4 scene graphs
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- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/4508—Management of client data or end-user data
- H04N21/4532—Management of client data or end-user data involving end-user characteristics, e.g. viewer profile, preferences
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/64315—DVB-H
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
- H04W28/14—Flow control between communication endpoints using intermediate storage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Abstract
Description
시스템 파라메터 | 값(value) |
채널 대역폭 | 8MHz |
데이터 전송률 | 10Mbps |
오류정정(MPE-FEC버퍼) 크기 | 2Mbits |
채널당 데이터 전송률 | 500kbps |
Claims (11)
- 휴대방송 시스템에서 선호 채널 관리 방법에 있어서,소정 통신망을 통해 서비스 제공자로부터 데이터 스트림을 전달하는 다중화된 다수의 논리 채널을 수신하여 물리적인 스트림으로 역다중화하는 과정과,상기 다중화된 다수의 채널 중 선호 채널을 선택하여 저장된 정보를 활용하여 각 디코딩 버퍼에 할당하는 과정과,상기 선택된 선호 채널에 따라 디코딩하고, 디코딩된 채널별 요소 스트림을 메모리에 저장하는 과정과,디코딩된 스트림을 상기 이동 단말의 화면에 디스플레이하는 과정을 포함함을 특징으로 하는 휴대방송 시스템에서 선호 채널 관리 방법.
- 제1항에 있어서,상기 정보는 선호채널 디스크립션 정보임을 특징으로 하는 휴대방송 시스템에서 선호 채널 관리 방법.
- 제1항에 있어서,상기 선호채널 디스크립션은 각 비디오 스트림이 갖는 고유 식별자를 나타내 는 스크림 아이디와, 채널 선택의 선호도와, 선호채널 개수를 포함함을 특징으로 하는 휴대방송 시스템에서 선호 채널 관리 방법.
- 제1항에 있어서,상기 디코딩 버퍼에서의 디코딩 시점을 계산시, 하기 <수학식 3>에 의해서 최초 디코딩 시점을 계산하고, 하기 <수학식 4>에 의해서 현재 자신이 디코딩되는 시점을 계산함을 특징으로 하는 휴대방송 시스템에서 선호 채널 관리 방법,
- 제1항에 있어서,상기 디코딩시, 디코더는 각 스트림별로 할당된 슬롯타임을 참조하여 상기 각 디코딩 버퍼에 접근해야 하는 시간을 계산함을 특징으로 하는 휴대방송 시스템에서 선호 채널 관리 방법.
- 휴대방송 시스템에서 선호 채널 관리 장치에 있어서,소정 통신망을 통해 서비스 제공자로부터 데이터 스트림을 전달하는 다중화된 다수의 논리 채널을 수신하여 물리적인 스트림으로 역다중화하고, 상기 다중화된 다수의 채널 중 선호 채널을 선택하여 저장된 정보를 활용하여 각 디코딩 버퍼에 할당하는 역다중화부와,상기 선택된 선호 채널에 따라 디코딩하여 디코딩된 채널별 요소 스트림을 출력하는 디코더와,상기 디코딩된 채널별 요소 스트림을 저장하는 메모리와,디코딩된 채널별 요소 스트림을 상기 이동 단말의 화면에 디스플레이하는 구성기를 포함함을 특징으로 하는 휴대방송 시스템에서 선호 채널 관리 장치.
- 제6항에 있어서,상기 다중화된 다수의 채널 중 선호 채널을 선택하여 저장하는 선호채널 관리부를 더 포함함을 특징으로 하는 휴대방송 시스템에서 선호 채널 관리 장치.
- 제6항에 있어서,상기 정보는 선호채널 디스크립션 정보임을 특징으로 하는 휴대방송 시스템에서 선호 채널 관리 장치.
- 제8항에 있어서,상기 선호채널 디스크립션은 각 비디오 스트림이 갖는 고유 식별자를 나타내는 스크림 아이디와, 채널 선택의 선호도와, 선호채널 개수를 포함함을 특징으로 하는 휴대방송 시스템에서 선호 채널 관리 장치.
- 제6항에 있어서,상기 디코딩 버퍼는 디코딩 시점을 계산시, 하기 <수학식 5>에 의해서 최초 디코딩 시점을 계산하고, 하기 <수학식 6>에 의해서 현재 자신이 디코딩되는 시점을 계산함을 특징으로 하는 휴대방송 시스템에서 선호 채널 관리 장치,
- 제6항에 있어서,상기 디코더는 각 스트림별로 할당된 슬롯타임을 참조하여 상기 각 디코딩 버퍼에 접근해야 하는 시간을 계산함을 특징으로 하는 휴대방송 시스템에서 선호 채널 관리 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/581,083 US8750337B2 (en) | 2005-10-14 | 2006-10-16 | Apparatus and method for managing a preference channel in a mobile broadcast system |
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KR20050097240 | 2005-10-14 | ||
KR1020050097240 | 2005-10-14 |
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KR20070041285A true KR20070041285A (ko) | 2007-04-18 |
KR100913880B1 KR100913880B1 (ko) | 2009-08-26 |
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KR1020060003338A KR100929073B1 (ko) | 2005-10-14 | 2006-01-11 | 휴대 방송 시스템에서 다중 스트림 수신 장치 및 방법 |
KR1020060004151A KR100913880B1 (ko) | 2005-10-14 | 2006-01-13 | 휴대방송 시스템에서 선호 채널 관리 장치 및 방법 |
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US (2) | US7899088B2 (ko) |
EP (1) | EP1775895B1 (ko) |
JP (1) | JP4819126B2 (ko) |
KR (2) | KR100929073B1 (ko) |
CN (1) | CN101292532B (ko) |
RU (1) | RU2378765C1 (ko) |
WO (1) | WO2007061184A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101463808B1 (ko) * | 2007-10-17 | 2014-11-20 | 엘지전자 주식회사 | 방송수신 휴대단말기 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
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US9008812B2 (en) | 2008-06-19 | 2015-04-14 | Sirius Xm Radio Inc. | Method and apparatus for using selected content tracks from two or more program channels to automatically generate a blended mix channel for playback to a user upon selection of a corresponding preset button on a user interface |
KR100929073B1 (ko) * | 2005-10-14 | 2009-11-30 | 삼성전자주식회사 | 휴대 방송 시스템에서 다중 스트림 수신 장치 및 방법 |
EP1879376A3 (en) | 2006-06-13 | 2011-04-06 | Samsung Electronics Co., Ltd. | Fast channel switching method and apparatus for digital broadcast receiver |
KR20080114496A (ko) * | 2007-06-26 | 2008-12-31 | 삼성전자주식회사 | 레이저 콘텐츠를 이용하여 장면을 구성하는 방법 및 장치 |
KR101521655B1 (ko) * | 2007-10-13 | 2015-05-20 | 삼성전자주식회사 | LASeR 기반의 단말을 위한 스테레오스코픽 입체 영상 컨텐츠 제공 장치 및 방법 |
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KR101463808B1 (ko) * | 2007-10-17 | 2014-11-20 | 엘지전자 주식회사 | 방송수신 휴대단말기 |
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CN101292532A (zh) | 2008-10-22 |
EP1775895A3 (en) | 2011-11-30 |
WO2007061184A1 (en) | 2007-05-31 |
KR100929073B1 (ko) | 2009-11-30 |
KR20070041284A (ko) | 2007-04-18 |
US7899088B2 (en) | 2011-03-01 |
EP1775895A2 (en) | 2007-04-18 |
US20070093263A1 (en) | 2007-04-26 |
EP1775895B1 (en) | 2014-05-14 |
CN101292532B (zh) | 2012-12-19 |
JP2009512330A (ja) | 2009-03-19 |
KR100913880B1 (ko) | 2009-08-26 |
JP4819126B2 (ja) | 2011-11-24 |
US8750337B2 (en) | 2014-06-10 |
RU2008114358A (ru) | 2009-10-20 |
US20070091912A1 (en) | 2007-04-26 |
RU2378765C1 (ru) | 2010-01-10 |
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