JP2011254134A - 放送補完データ伝送装置および放送補完データ伝送方法、ならびに放送システム - Google Patents
放送補完データ伝送装置および放送補完データ伝送方法、ならびに放送システム Download PDFInfo
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- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/16—Arrangements for broadcast or for distribution of identical information repeatedly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/02—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information
- H04H60/07—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information characterised by processes or methods for the generation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/11—Arrangements for counter-measures when a portion of broadcast information is unavailable
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/11—Arrangements for counter-measures when a portion of broadcast information is unavailable
- H04H60/12—Arrangements for counter-measures when a portion of broadcast information is unavailable wherein another information is substituted for the portion of broadcast information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
- H04L67/5651—Reducing the amount or size of exchanged application data
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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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
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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]
- H04N21/60—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
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6375—Control signals issued by the client directed to the server or network components for requesting retransmission, e.g. of data packets lost or corrupted during transmission from server
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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]
- H04N21/60—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
- H04N21/64—Addressing
- H04N21/6408—Unicasting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H2201/00—Aspects of broadcast communication
- H04H2201/30—Aspects of broadcast communication characterised by the use of a return channel, e.g. for collecting users' opinions, for returning broadcast space/time information or for requesting data
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- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
【解決手段】受信装置200から時刻情報を含んだ欠損データの再送要求である時刻情報を受信すると、当該再送要求に含まれる時刻情報に基づいて、HTTP応答部104は、欠損データを含んだコンテンツの再放送の有無を判断する。そして、HTTP応答部104により再放送があると判断されると、レスポンスとして、エラー通知受信装置200に送信して、通信網を介したコンテンツの送信を行わない。
【選択図】図1
Description
Claims (9)
- 受信装置からの要求に応じてコンテンツの欠損データを、通信網を利用して補完する放送補完データ伝送装置において、
前記受信装置から時刻情報を含んだ欠損データの再送要求を受信する受信手段と、
前記受信手段により欠損データの再送要求を受信すると、当該再送要求に含まれる時刻情報に基づいて、前記欠損データを含んだコンテンツの再放送の有無を判断する判断手段と、
前記判断手段により再放送があると判断されると、通信網を介した前記コンテンツの送信を行わず、再放送が無いと判断されると、通信網を介した前記コンテンツの送信を行う送信手段と
を備える放送補完データ伝送装置。 - 前記時刻情報は、前記受信装置においてコンテンツの受信時刻であることを特徴とする請求項1に記載の放送補完データ伝送装置。
- 前記時刻情報は、前記受信装置において、欠損データの再送要求を送信した時刻であることを特徴とする請求項1に記載の放送補完データ伝送装置。
- 前記送信手段は、前記判断手段により再放送があると判断されると、さらに、エラーの旨の信号を前記受信装置に送信し、
前記受信装置においては、当該エラーの旨の信号を受信すると、再放送がある旨認識可能にすることを特徴とする請求項1から3のいずれか一項に記載の放送補完データ伝送装置。 - 前記判断手段は、
再送要求に含まれている時刻情報により示される時刻と、当該コンテンツの更新時間と比較することで、当該時刻情報の時刻以降の再放送の有無を判断することを特徴とする請求項1から4のいずれか一項に記載の放送補完データ伝送装置。 - 前記受信手段は、再送要求として、HTTPにおける時刻情報を含んだ条付きリクエストを受信することを特徴とする請求項1から5のいずれか一項に記載の放送補完データ伝送装置。
- 請求項1から6のいずれか一項に記載の放送補完データ伝送装置と、コンテンツの放送を行う放送装置と、前記放送装置からコンテンツの受信を行う受信装置とを備える放送システムにおいて、
前記受信装置は、
前記放送装置から受信したコンテンツの欠損データを検出する検出手段と、
前記検出手段により欠損データが検出されると、前記放送補完データ伝送装置に対して、前記欠損データを含んだコンテンツの再送要求を、前記コンテンツの受信時の時刻または前記再送要求時の時刻を示す時刻情報とともに送信する要求手段と、
を備えることを特徴とする放送システム。 - 請求項4に記載の放送補完データ伝送装置と、コンテンツの放送を行う放送装置と、前記放送装置からコンテンツの受信を行う受信装置とを備える放送システムにおいて、
前記受信装置は、
前記放送装置から受信したコンテンツの欠損データを検出する検出手段と、
前記検出手段により欠損データが検出されると、前記放送補完データ伝送装置に対して、前記欠損データを含んだコンテンツの再送要求を、前記コンテンツの受信時の時刻または前記再送要求時の時刻を示す時刻情報とともに送信する要求手段と、
前記要求手段の要求に応じて、前記放送補完データ伝送装置から、エラーの旨を受信すると、前記コンテンツの再放送時刻情報を取得する取得手段と、
前記取得手段により取得された再放送時刻情報で示された時刻に放送受信可能状態にする制御手段と
を備える放送システム。 - 受信装置からの要求に応じてコンテンツの欠損データを、通信網を利用して補完する放送補完データ伝送方法において、
前記受信装置から時刻情報を含んだ欠損データの再送要求を受信する受信ステップと、
前記受信ステップにより欠損データの再送要求を受信すると、当該再送要求に含まれる時刻情報に基づいて、前記欠損データを含んだコンテンツの再放送の有無を判断する判断ステップと、
前記判断ステップにより再放送があると判断されると、通信網を介した前記コンテンツの送信を行わず、再放送が無いと判断されると、通信網を介した前記コンテンツの送信を行う送信ステップと
を備える放送補完データ伝送方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010124632A JP5075225B2 (ja) | 2010-05-31 | 2010-05-31 | 放送補完データ伝送装置および放送補完データ伝送方法、ならびに放送システム |
CN2011800265149A CN102934457A (zh) | 2010-05-31 | 2011-05-20 | 广播插补数据传输装置及广播插补数据传输方法和广播系统 |
BR112012030464A BR112012030464A2 (pt) | 2010-05-31 | 2011-05-20 | dispositivo de difusão de transmissão de dados suplementares e métodos de difusão de transmissão de dados suplementares, e sistema de difusão |
PE2012002239A PE20131191A1 (es) | 2010-05-31 | 2011-05-20 | Dispositivo de transmision de datos complementarios de difusion y metodo de transmision de datos complementarios de difusion y sistema de difusion |
KR1020127033791A KR101410405B1 (ko) | 2010-05-31 | 2011-05-20 | 방송 보완 데이터 전송 장치, 방송 보완 데이터 전송 방법, 및 방송 시스템 |
PCT/JP2011/061686 WO2011152231A1 (ja) | 2010-05-31 | 2011-05-20 | 放送補完データ伝送装置および放送補完データ伝送方法、ならびに放送システム |
US13/699,403 US20130124677A1 (en) | 2010-05-31 | 2011-05-20 | Broadcast supplemental data transmission device and broadcast supplemental data transmission method, and broadcast system |
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JP2010124632A JP5075225B2 (ja) | 2010-05-31 | 2010-05-31 | 放送補完データ伝送装置および放送補完データ伝送方法、ならびに放送システム |
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JP2011254134A true JP2011254134A (ja) | 2011-12-15 |
JP5075225B2 JP5075225B2 (ja) | 2012-11-21 |
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US (1) | US20130124677A1 (ja) |
JP (1) | JP5075225B2 (ja) |
KR (1) | KR101410405B1 (ja) |
CN (1) | CN102934457A (ja) |
BR (1) | BR112012030464A2 (ja) |
PE (1) | PE20131191A1 (ja) |
WO (1) | WO2011152231A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013239836A (ja) * | 2012-05-14 | 2013-11-28 | Sharp Corp | マルチメディア放送受信装置及びプログラム |
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CN103814582B (zh) * | 2013-11-05 | 2017-06-20 | 华为技术有限公司 | 视频业务数据传输方法和数据发送装置 |
JP7094809B2 (ja) * | 2018-07-10 | 2022-07-04 | キヤノン株式会社 | 情報処理装置、情報処理装置の制御方法、及びプログラム |
JP7104338B2 (ja) * | 2020-02-12 | 2022-07-21 | ダイキン工業株式会社 | データ収集システム、受信側装置、及びデータ収集方法 |
Citations (5)
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JP2000354003A (ja) * | 1999-06-10 | 2000-12-19 | Fujitsu Ten Ltd | 車載用データ受信装置 |
JP2004193920A (ja) * | 2002-12-11 | 2004-07-08 | Toshiba Corp | 番組配信システム及び受信装置 |
JP2005328267A (ja) * | 2004-05-13 | 2005-11-24 | Next Wave:Kk | コンテンツ配信システム |
JP2006229794A (ja) * | 2005-02-21 | 2006-08-31 | Alpine Electronics Inc | デジタル放送受信器 |
WO2010035652A1 (ja) * | 2008-09-26 | 2010-04-01 | 株式会社エヌ・ティ・ティ・ドコモ | データ受信端末、データ配信サーバ、データ配信システム、およびデータ配信方法 |
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JP2002232478A (ja) * | 2000-11-06 | 2002-08-16 | Matsushita Electric Ind Co Ltd | 送信装置、受信装置及び放送データ配信方法 |
CN1394411A (zh) * | 2000-11-06 | 2003-01-29 | 松下电器产业株式会社 | 发送装置、接收装置及广播数据的分发方法 |
US20040268419A1 (en) * | 2003-06-24 | 2004-12-30 | Microsoft Corporation | Interactive content without embedded triggers |
JP4947015B2 (ja) * | 2008-09-10 | 2012-06-06 | パナソニック株式会社 | 録画装置 |
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- 2010-05-31 JP JP2010124632A patent/JP5075225B2/ja not_active Expired - Fee Related
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- 2011-05-20 WO PCT/JP2011/061686 patent/WO2011152231A1/ja active Application Filing
- 2011-05-20 PE PE2012002239A patent/PE20131191A1/es not_active Application Discontinuation
- 2011-05-20 CN CN2011800265149A patent/CN102934457A/zh active Pending
- 2011-05-20 US US13/699,403 patent/US20130124677A1/en not_active Abandoned
- 2011-05-20 KR KR1020127033791A patent/KR101410405B1/ko not_active IP Right Cessation
- 2011-05-20 BR BR112012030464A patent/BR112012030464A2/pt not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000354003A (ja) * | 1999-06-10 | 2000-12-19 | Fujitsu Ten Ltd | 車載用データ受信装置 |
JP2004193920A (ja) * | 2002-12-11 | 2004-07-08 | Toshiba Corp | 番組配信システム及び受信装置 |
JP2005328267A (ja) * | 2004-05-13 | 2005-11-24 | Next Wave:Kk | コンテンツ配信システム |
JP2006229794A (ja) * | 2005-02-21 | 2006-08-31 | Alpine Electronics Inc | デジタル放送受信器 |
WO2010035652A1 (ja) * | 2008-09-26 | 2010-04-01 | 株式会社エヌ・ティ・ティ・ドコモ | データ受信端末、データ配信サーバ、データ配信システム、およびデータ配信方法 |
Cited By (1)
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---|---|---|---|---|
JP2013239836A (ja) * | 2012-05-14 | 2013-11-28 | Sharp Corp | マルチメディア放送受信装置及びプログラム |
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Publication number | Publication date |
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KR20130018948A (ko) | 2013-02-25 |
BR112012030464A2 (pt) | 2017-06-20 |
JP5075225B2 (ja) | 2012-11-21 |
PE20131191A1 (es) | 2013-10-19 |
US20130124677A1 (en) | 2013-05-16 |
WO2011152231A1 (ja) | 2011-12-08 |
KR101410405B1 (ko) | 2014-06-20 |
CN102934457A (zh) | 2013-02-13 |
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