JP4002560B2 - Mpeg2mpts分離型加入者分配装置及び方法 - Google Patents
Mpeg2mpts分離型加入者分配装置及び方法 Download PDFInfo
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- JP4002560B2 JP4002560B2 JP2004174127A JP2004174127A JP4002560B2 JP 4002560 B2 JP4002560 B2 JP 4002560B2 JP 2004174127 A JP2004174127 A JP 2004174127A JP 2004174127 A JP2004174127 A JP 2004174127A JP 4002560 B2 JP4002560 B2 JP 4002560B2
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- Prior art keywords
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- spts
- pid
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- mpts
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
-
- 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]
- H04N21/60—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
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
-
- 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
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
-
- 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
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2362—Generation or processing of Service Information [SI]
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
-
- 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]
- H04N21/60—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
- H04N21/64322—IP
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Time-Division Multiplex Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Description
12 PIDフィルタ(PID Filter)
20 SPTSバッファ(SPTS Buffer)
30 テーブル再生成部(PMT/PAT Table Regenerator)
40 加入者バッファ(Subscriber Buffer)
52 加入者インタフェース(Subscriber Interface)
62 SPTS分離貯蔵部(SPTS Splitting and Storing Section)
64 加入者分配部(Subscriber Distribution Section)
80 制御部(Control Section)
Claims (6)
- 加入者網で加入者に放送データを分配する加入者分配装置において、
入力されたMPEG2 MPTS(multiple program transport streams)フレームに対する内容を確認し、これを複数個のSPTS(single program transport streams)に分離するPID(Program ID)フィルター部と、
前記分離されたSPTSのためにPAT(Program Allocation Table)及びPMT(Program Map Table)の内容を変更して再生成するテーブル再生成部と、
DMA(Direct Memory Access)方式によって前記PIDフィルター部によるSPTSの放送データをSPTSバッファーのメモリ領域にPID別に指定されたポインターに対応して貯蔵するSPTS分離貯蔵部と、
DMA(Direct Memory Access)方式によって前記加入者が要求したプログラムのPIDに対応するポインターの前記SPTSバッファーのメモリ領域から放送データを抽出した後、該加入者に割り当てられた加入者バッファーのメモリ領域に貯蔵する加入者分配部と、
上位ネットワークからMPTSの情報を受信して前記PIDフィルター部及び前記テーブル再生成部に提供し、前記加入者が要求するプログラム情報をCCP(Channel Change Protocol)を通じて当該加入者から受信して前記加入者分配部に提供する制御部と、を備えたことを特徴とする加入者分配装置。 - PIDフィルター部を構成する複数個のフィルターが、MPTSから分離されるSPTSの数に対応して設置される請求項1に記載の加入者分配装置。
- PIDフィルター部は、MPEG2 MPTSに含まれた多数のPIDをフィルタリングするために一つ以上のPIDフィルターを含む請求項1に記載の加入者分配装置。
- 加入者別に貯蔵されたSPTSを加入者に伝送できるストリームに転換する加入者インタフェースを更に備える請求項1に記載の加入者分配装置。
- 加入者網で加入者に放送データを分配する加入者分配方法において、
上位ネットワークからMPEG2 MPTS(Multiple Program Transport Streams)を受信すると、MPTSフレームをMPTS情報及びMPTSテーブル情報によるPID(Program ID)に応じてSPTS(Single Program Transport Streams)に分離してDMA(Direct Memory Access)方式によって前記PIDフィルタリングされたSPTSの放送データを前記SPTSバッファーのメモリ領域にPID別に指定されたポインターに対応して貯蔵する段階と、
前記分離されたSPTSのためにPAT(Program Allocation Table)及びPMT(Program Map Table)の内容を変更して再生成する段階と、
加入者からのプログラム要求をCCP(Channel Change Protocol)を通じて受信し、DMA方式によって前記加入者が要求したプログラムのPIDに対応するポインターの前記SPTSバッファーのメモリ領域から放送データを抽出した後、加入者に割り当てられた加入者バッファーのメモリ領域に貯蔵する段階と、
前記加入者別に貯蔵された放送データを各加入者に伝送する段階と、を含むことを特徴とする加入者分配方法。 - SPTSの分離のために、SPTSの数に対応した個数のPIDフィルターを利用する段階を更に含む請求項5に記載の放送データ分配方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0037562A KR100526548B1 (ko) | 2003-06-11 | 2003-06-11 | Mpeg2 spts 분리형 가입자 분배 장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005006333A JP2005006333A (ja) | 2005-01-06 |
JP4002560B2 true JP4002560B2 (ja) | 2007-11-07 |
Family
ID=34101668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004174127A Expired - Fee Related JP4002560B2 (ja) | 2003-06-11 | 2004-06-11 | Mpeg2mpts分離型加入者分配装置及び方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20050101246A1 (ja) |
JP (1) | JP4002560B2 (ja) |
KR (1) | KR100526548B1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06118679A (ja) * | 1992-07-29 | 1994-04-28 | Mitsubishi Alum Co Ltd | 電子写真感光体用円筒基体及びその製造方法 |
KR100713419B1 (ko) * | 2005-01-20 | 2007-05-04 | 삼성전자주식회사 | 실시간으로 선택적 전송이 가능한 방송 분배 장치 |
KR100689474B1 (ko) * | 2005-01-27 | 2007-03-08 | 삼성전자주식회사 | 다중 화면을 제공하는 트랜스포트 스트림 수신 장치 및 그제어 방법 |
US20060242683A1 (en) * | 2005-04-22 | 2006-10-26 | Medford Brad A | Methods and apparatus to manage advanced television system committee video in broadcast switched digital video systems |
US8352979B2 (en) | 2005-04-22 | 2013-01-08 | At&T Intellectual Property I, L.P. | Methods and apparatus to broadcast advanced television system committee video in switched digital video systems |
EP1826978A1 (en) * | 2006-02-24 | 2007-08-29 | Nagravision S.A. | Method to optimize the data stream between a router and a multimedia unit |
US8316409B2 (en) * | 2007-10-11 | 2012-11-20 | James Strothmann | Simultaneous access to media in a media delivery system |
EP2053864A1 (en) * | 2007-10-15 | 2009-04-29 | Koninklijke KPN N.V. | System for distributing TV signals to an end-terminal |
US8014414B2 (en) * | 2008-08-21 | 2011-09-06 | Himax Media Solutions, Inc. | Method and system for generating a packet identifier table from a received transport stream |
KR101007771B1 (ko) * | 2010-06-22 | 2011-01-14 | 주식회사 캐스트이즈 | 다화면 서비스 제공 장치 및 방법 |
US8514893B2 (en) * | 2011-01-12 | 2013-08-20 | Videopropulsion Interactive, Inc. | Digital video apparatus for multiplexing single program transport streams into a multiple program transport stream |
BR112014005577A2 (pt) * | 2011-09-27 | 2017-03-21 | Thomson Licensing | método e aparelho para a duplicação de canais de modulador qam |
CN104254000B (zh) | 2013-06-27 | 2018-05-11 | 华为技术有限公司 | 一种视频数据处理方法及装置 |
US20150163311A1 (en) * | 2013-11-26 | 2015-06-11 | Martin Charles Heath | Systems and methods for capturing, managing, and triggering user journeys associated with trackable digital objects |
US9521442B2 (en) * | 2014-05-22 | 2016-12-13 | Comcast Cable Communications, Llc | Digital transport adapter |
CN116489353A (zh) * | 2017-09-28 | 2023-07-25 | Lg 电子株式会社 | 图像编译***中根据块分离结构的图像解码方法和设备 |
Family Cites Families (10)
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JP3216531B2 (ja) * | 1996-07-24 | 2001-10-09 | 三菱電機株式会社 | 再多重化装置および再多重化方法 |
JPH11261986A (ja) * | 1998-03-13 | 1999-09-24 | Fujitsu Ltd | デジタル多重伝送装置 |
US6359911B1 (en) * | 1998-12-04 | 2002-03-19 | Koninklijke Philips Electronics N.V. (Kpenv) | MPEG-2 transport demultiplexor architecture with non-time-critical post-processing of packet information |
EP1041825A1 (en) * | 1999-03-31 | 2000-10-04 | Alcatel | Broadcasting unit to broadcast distributive interactive services in an access network |
US6643298B1 (en) * | 1999-11-23 | 2003-11-04 | International Business Machines Corporation | Method and apparatus for MPEG-2 program ID re-mapping for multiplexing several programs into a single transport stream |
US7145912B1 (en) * | 2000-03-23 | 2006-12-05 | Tut Systems, Inc. | Demultiplexing a statistically multiplexed MPEG transport stream into CBR single program transport streams |
US6996101B2 (en) * | 2000-11-29 | 2006-02-07 | International Business Machines Corporation | Re-mapping and interleaving transport packets of multiple transport streams for processing by a single transport demultiplexor |
US7065213B2 (en) * | 2001-06-29 | 2006-06-20 | Scientific-Atlanta, Inc. | In a subscriber network receiving digital packets and transmitting digital packets below a predetermined maximum bit rate |
US7149230B2 (en) * | 2002-03-08 | 2006-12-12 | Microsoft Corporation | Transport processor for processing multiple transport streams |
AU2003238870A1 (en) * | 2002-06-03 | 2003-12-19 | Myrio Corporation | Method and system for storing mpeg-2 programs to media and playback |
-
2003
- 2003-06-11 KR KR10-2003-0037562A patent/KR100526548B1/ko not_active IP Right Cessation
- 2003-11-12 US US10/706,494 patent/US20050101246A1/en not_active Abandoned
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2004
- 2004-06-11 JP JP2004174127A patent/JP4002560B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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KR20040106157A (ko) | 2004-12-17 |
US20050101246A1 (en) | 2005-05-12 |
KR100526548B1 (ko) | 2005-11-04 |
JP2005006333A (ja) | 2005-01-06 |
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