JP5325557B2 - サービスガイドのメタデータサイズを管理する方法 - Google Patents
サービスガイドのメタデータサイズを管理する方法 Download PDFInfo
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- JP5325557B2 JP5325557B2 JP2008316986A JP2008316986A JP5325557B2 JP 5325557 B2 JP5325557 B2 JP 5325557B2 JP 2008316986 A JP2008316986 A JP 2008316986A JP 2008316986 A JP2008316986 A JP 2008316986A JP 5325557 B2 JP5325557 B2 JP 5325557B2
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- 238000007726 management method Methods 0.000 abstract 3
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- 230000005540 biological transmission Effects 0.000 description 12
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Classifications
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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
-
- 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
- H04L65/75—Media network packet handling
- H04L65/762—Media network packet handling at the source
-
- 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
- H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer
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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
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- 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
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
- H04N21/2353—Processing of additional data, e.g. scrambling of additional data or processing content descriptors specifically adapted to content descriptors, e.g. coding, compressing or processing of metadata
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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
- H04N21/236—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
- H04N21/23614—Multiplexing of additional data and video streams
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—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
- H04N21/23614—Multiplexing of additional data and video streams
- H04N21/23617—Multiplexing of additional data and video streams by inserting additional data into a data carousel, e.g. inserting software modules into a DVB carousel
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26283—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for associating distribution time parameters to content, e.g. to generate electronic program guide data
-
- 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
- H04N21/434—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
- H04N21/4348—Demultiplexing of additional data and video streams
-
- 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]
- H04N21/40—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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Library & Information Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Description
103 RF変調器
200 プロトコルエンカプスレータ
201、901 サービスガイドサーバ
Claims (10)
- コントリビューションネットワークのデバイス部分によりサービスガイドのメタデータサイズを管理する方法であって、前記コントリビューションネットワークは、少なくとも1つのオーディオおよび/またはビデオ入力データストリームならびにサービスガイド入力データストリームを受け取るように構成されたプロトコルエンカプスレータと、サービスガイドサーバとを含み、前記プロトコルエンカプスレータは、入力データバッファと、マルチプル入力ストリームからのデータを1つの単一のトランスポートストリームに多重化するように構成された多重化器とを含む、方法であって、前記方法は、
サービスガイドメタデータの最大サイズをプロトコルエンカプスレータの充填レベルの関数として決定するステップであって、前記プロトコルエンカプスレータの充填レベルは、入力データバッファの充填レベル、および、前記多重化されたデータに必要な帯域幅に依存する、ステップと、
前記コントリビューションネットワークに接続されたサービスガイドサーバ宛ての前記サービスガイドメタデータの前記最大サイズを含むメッセージを送信するステップと、
前記サービスガイドサーバにより、前記サービスガイドメタデータを前記プロトコルエンカプスレータに配信するステップであって、前記サービスガイドメタデータのサイズは前記最大サイズ以下または前記最大サイズに等しい、ステップと
を備えることを特徴とする方法。 - 前記サービスガイドメタデータは、拡張マークアップ言語形式で前記プロトコルエンカプスレータに提供されることを特徴とする請求項1に記載の方法。
- 前記サービスガイドメタデータは、拡張マークアップ言語のメタデータツリー形式で前記サービスガイドサーバに格納されることを特徴とする請求項1または2に記載の方法。
- 前記サービスガイドサーバは、前記XMLメタデータツリーの枝刈りによって、前記最大メタデータサイズを順守することを特徴とする請求項3に記載の方法。
- 前記サービスガイドサーバは、前記最大メタデータサイズとするために、前記サービスガイドメタデータの日単位の期間を変化させることを特徴とする請求項1乃至4のいずれか1項に記載の方法。
- 前記サービスガイドサーバは、前記メタデータツリーの枝刈り、または前記サービスガイドメタデータの日単位の期間を変更させることの何れかによって、前記最大メタデータサイズを順守することを特徴とする請求項3乃至5のいずれか1項に記載の方法。
- 前記サービスガイドサーバは、前記メタデータツリーの枝刈り、および前記サービスガイドメタデータの日単位の期間を変更させることによって、前記最大メタデータサイズを順守することを特徴とする請求項4または5に記載の方法。
- 前記メッセージは、前記最大サービスガイドメタデータサイズを含み、時間遅延の期限終了時に送信されることを特徴とする請求項1乃至7のいずれか1項に記載の方法。
- 前記メッセージは、前記最大サービスガイドメタデータサイズを含み、前記エンカプスレータの充填レベルの所定最大値を超えると送信されることを特徴とする請求項1乃至7のいずれか1項に記載の方法。
- 前記メッセージは、前記最大サービスガイドメタデータサイズを含み、前記エンカプスレータの充填レベルの所定最大値を超えると送信されることを特徴とする請求項8に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07301739A EP2073491A1 (en) | 2007-12-21 | 2007-12-21 | Method of management of metadata size of a service guide |
EP07301739.4 | 2007-12-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009153124A JP2009153124A (ja) | 2009-07-09 |
JP2009153124A5 JP2009153124A5 (ja) | 2012-01-26 |
JP5325557B2 true JP5325557B2 (ja) | 2013-10-23 |
Family
ID=39367910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008316986A Expired - Fee Related JP5325557B2 (ja) | 2007-12-21 | 2008-12-12 | サービスガイドのメタデータサイズを管理する方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120036164A1 (ja) |
EP (2) | EP2073491A1 (ja) |
JP (1) | JP5325557B2 (ja) |
CN (1) | CN101465702B (ja) |
BR (1) | BRPI0805685A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017043943A1 (ko) * | 2015-09-11 | 2017-03-16 | 엘지전자 주식회사 | 방송 신호 송신 장치, 방송 신호 수신 장치, 방송 신호 송신 방법, 및 방송 신호 수신 방법 |
Families Citing this family (5)
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US8537746B2 (en) * | 2008-06-09 | 2013-09-17 | Lg Electronics Inc. | Method for mapping signaling information to announcement information and broadcast receiver |
WO2011152712A1 (en) * | 2010-06-01 | 2011-12-08 | Liberty Global Europe Holding B.V. | Electronic Program Guide data encoding method and system |
US8856484B2 (en) * | 2012-08-14 | 2014-10-07 | Infinidat Ltd. | Mass storage system and methods of controlling resources thereof |
US9620148B2 (en) * | 2013-07-01 | 2017-04-11 | Toyota Motor Engineering & Manufacturing North America, Inc. | Systems, vehicles, and methods for limiting speech-based access to an audio metadata database |
EP3154272A4 (en) | 2014-06-09 | 2017-11-22 | LG Electronics Inc. | Service guide information transmission method, service guide information reception method, service guide information transmission device, and service guide information reception device |
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JP3466071B2 (ja) * | 1997-12-05 | 2003-11-10 | 松下電器産業株式会社 | 放送受信装置 |
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US20040003403A1 (en) * | 2002-06-19 | 2004-01-01 | Marsh David J. | Methods and systems for reducing information in electronic program guide and program recommendation systems |
SG142158A1 (en) * | 2002-07-23 | 2008-05-28 | Samsung Electronics Co Ltd | Index structure of metadata, method for providing indices of metadata, and metadata searching method and apparatus using the indices of metadata |
US7913279B2 (en) * | 2003-01-31 | 2011-03-22 | Microsoft Corporation | Global listings format (GLF) for multimedia programming content and electronic program guide (EPG) information |
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JP4351904B2 (ja) * | 2003-12-25 | 2009-10-28 | 株式会社東芝 | 放送受信装置 |
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WO2007010779A1 (ja) * | 2005-07-15 | 2007-01-25 | Matsushita Electric Industrial Co., Ltd. | パケット送信装置 |
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-
2007
- 2007-12-21 EP EP07301739A patent/EP2073491A1/en not_active Withdrawn
-
2008
- 2008-12-10 US US12/316,184 patent/US20120036164A1/en not_active Abandoned
- 2008-12-12 JP JP2008316986A patent/JP5325557B2/ja not_active Expired - Fee Related
- 2008-12-18 EP EP08172215A patent/EP2073495A1/en not_active Withdrawn
- 2008-12-18 BR BRPI0805685-4A patent/BRPI0805685A2/pt not_active IP Right Cessation
- 2008-12-22 CN CN200810185337.9A patent/CN101465702B/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017043943A1 (ko) * | 2015-09-11 | 2017-03-16 | 엘지전자 주식회사 | 방송 신호 송신 장치, 방송 신호 수신 장치, 방송 신호 송신 방법, 및 방송 신호 수신 방법 |
US10616618B2 (en) | 2015-09-11 | 2020-04-07 | Lg Electronics Inc. | Broadcast signal transmitting device, broadcast signal receiving device, broadcast signal transmitting method and broadcast signal receiving method |
Also Published As
Publication number | Publication date |
---|---|
CN101465702A (zh) | 2009-06-24 |
EP2073495A1 (en) | 2009-06-24 |
EP2073491A1 (en) | 2009-06-24 |
JP2009153124A (ja) | 2009-07-09 |
CN101465702B (zh) | 2013-07-24 |
US20120036164A1 (en) | 2012-02-09 |
BRPI0805685A2 (pt) | 2009-08-18 |
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