JP2011521576A - インターラクティブマークをストリーミング・コンテンツに同期させるためのデバイス、及び方法 - Google Patents
インターラクティブマークをストリーミング・コンテンツに同期させるためのデバイス、及び方法 Download PDFInfo
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- JP2011521576A JP2011521576A JP2011509935A JP2011509935A JP2011521576A JP 2011521576 A JP2011521576 A JP 2011521576A JP 2011509935 A JP2011509935 A JP 2011509935A JP 2011509935 A JP2011509935 A JP 2011509935A JP 2011521576 A JP2011521576 A JP 2011521576A
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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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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- 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
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
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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 or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/23439—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements for generating different versions
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- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
例示的実施形態はRTPによる圧縮ビデオの伝送のフレームワークで行われる。しかし、本発明はこの特定の環境に限られるわけではなく、ストリーミング・コンテンツが非圧縮、及び圧縮された形態で連続して伝送される他のフレームワークに対して適用されてもよい。
・tRTCPは、RTCP発信者報告において与えられた時間値である。
・RTPRTCPは、RTCP発信者報告において与えられたtRTCPに対応するRTPタイムスタンプである。
・RTPViは、frame_iのRTPタイムスタンプである。
・1秒毎のRTPタイムスタンプで、Videoタイムスケールが、ビデオエンコーダのフレームを送出する周波数に対応する。
・Mは、ピクセル数で表されるフレームの幅である。
・Nは、ピクセル数で表されるフレームの高さである。
・f(i,j)は、第2のフレームのピクセル(i,j)である
・F(i,j)は、第1のフレームのピクセル(i,j)である。
・Δdは、コンスタントな遅延値であり、ディスプレイのチェーンによって生じるものである。これは、定数であり、MIDにおいてセットされる。
・インターラクティブ・タイムスケールは、(毎秒のRTPタイムスタンプにおける)MIDのInteractive Trigger送信周波数である。
Claims (12)
- インターラクティブマークをストリーミング・コンテンツに挿入するためのマーク挿入デバイスにおける方法であって、前記デバイスにおいて:
第1のソースデバイスから第1のフォーマットのストリーミング・コンテンツを受信するステップと;
第2のデバイスから第2のフォーマットの前記ストリーミング・コンテンツを受信するステップと;
第3のデバイスから第1のフォーマットの前記コンテンツの第1のフレームに対応するインターラクティブマークを受信するステップと;
前記第2のフォーマットで受信された前記コンテンツの第2のフレームに同期された前記インターラクティブマークを送信するステップであって、前記第2のフレームの前記コンテンツは、前記第1のフレームの前記コンテンツに対応する、ステップと;
を有する方法。 - 前記第1のフォーマットの前記ストリーミング・コンテンツの第1のフレームの受信と、前記第2のフォーマットの前記ストリーミング・コンテンツの第2のフレームの前記受信との間の遅延を計算するステップであって、前記第2のフレームの前記コンテンツは、前記第1のフレームの前記コンテンツに対応する、ステップ、を有する請求項1記載の方法。
- 前記計算するステップは、前記第1及び第2のコンテンツの前記受信の開始時に1回又は繰り返し実行される、請求項2記載の方法。
- 前記インターラクティブマークが、前記第2のフレームに付加される、請求項1ないし3のうち何れか1項記載の方法。
- 前記インターラクティブマークが前記第2のフレームとは異なるパケットで送信される、請求項1ないし4のうち何れか1項記載の方法。
- 前記第1のフォーマットが非圧縮のフォーマットであり、かつ、前記第2のフォーマットが圧縮フォーマットである、請求項1ないし5のうち何れか1項記載の方法。
- 前記コンテンツがビデオ・コンテンツである、請求項1ないし6のうち何れか1項記載の方法。
- 前記圧縮コンテンツは、RTPタイムスタンプを含み、かつ、前記インターラクティブマークは、前記RTPタイムスタンプに同期される、請求項6又は7記載の方法。
- 第1のフォーマットで、第1の装置からストリーミング・コンテンツ・フォーマットを受信し、第2のフォーマットで、第2のデバイスから前記ストリーミング・コンテンツを受信し、かつ、第3のフォーマットで、前記ストリーミング・コンテンツを送信するための通信手段と、第1のフォーマットの前記コンテンツの第1のフレームに対応する第3のデバイスからのインターラクティブマークの受信によって、前記第2のフォーマットで受信された前記コンテンツの第2のフレームに同期された前記インターラクティブマークを送信するためのマーキング手段と、を有し、
前記第2のフレームの前記コンテンツは、前記第1のフレームの前記コンテンツに対応する、デバイス。 - 前記第1のフォーマットの前記ストリーミング・コンテンツの第1のフレームの受信と、前記第2のフォーマットの前記ストリーミング・コンテンツの第2のフレームの受信との間の遅延を計算するためのキャリブレーション手段であって、前記第2のフレームの前記コンテンツは、前記第1のフレームの前記コンテンツに対応する、キャリブレーション手段を含む、請求項9記載のデバイス。
- 前記第1のフォーマットは非圧縮のフォーマットであり、かつ、前記第2のフォーマットは、圧縮フォーマットである、請求項9又は10記載のデバイス。
- 請求項1ないし8のうち何れか1項記載の方法のステップを、コンピュータに実行させるための命令を含むコンピュータ・プログラム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP08305178A EP2124449A1 (en) | 2008-05-19 | 2008-05-19 | Device and method for synchronizing an interactive mark to streaming content |
EP08305178.9 | 2008-05-19 | ||
PCT/EP2009/055880 WO2009141271A1 (en) | 2008-05-19 | 2009-05-14 | Device and method for synchronizing an interactive mark to streaming content |
Publications (2)
Publication Number | Publication Date |
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JP2011521576A true JP2011521576A (ja) | 2011-07-21 |
JP5372143B2 JP5372143B2 (ja) | 2013-12-18 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011509935A Active JP5372143B2 (ja) | 2008-05-19 | 2009-05-14 | インターラクティブマークをストリーミング・コンテンツに同期させるためのデバイス、及び方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9596505B2 (ja) |
EP (2) | EP2124449A1 (ja) |
JP (1) | JP5372143B2 (ja) |
KR (1) | KR101640148B1 (ja) |
CN (1) | CN102037728B (ja) |
WO (1) | WO2009141271A1 (ja) |
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CN110998726B (zh) * | 2017-06-29 | 2021-09-17 | 杜比国际公司 | 用于使外部内容适配视频流的方法、系统和计算机可读媒体 |
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2008
- 2008-05-19 EP EP08305178A patent/EP2124449A1/en not_active Withdrawn
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2009
- 2009-05-14 US US12/736,873 patent/US9596505B2/en active Active
- 2009-05-14 JP JP2011509935A patent/JP5372143B2/ja active Active
- 2009-05-14 WO PCT/EP2009/055880 patent/WO2009141271A1/en active Application Filing
- 2009-05-14 CN CN2009801179340A patent/CN102037728B/zh active Active
- 2009-05-14 KR KR1020107025805A patent/KR101640148B1/ko active IP Right Grant
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JPH11146362A (ja) * | 1997-11-12 | 1999-05-28 | Sony Corp | 送信装置および送信方法、受信装置および受信方法、並びに送受信装置および送受信方法 |
JP2005012361A (ja) * | 2003-06-17 | 2005-01-13 | Mitsubishi Electric Corp | 情報配信装置及び情報再生装置 |
JP2005159743A (ja) * | 2003-11-26 | 2005-06-16 | Sharp Corp | 映像表示装置、映像表示プログラム、情報配信装置および情報通信システム |
WO2005057931A2 (en) * | 2003-12-09 | 2005-06-23 | Koninklijke Philips Electronics N.V. | Method and system for generating highlights |
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Also Published As
Publication number | Publication date |
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US20110063502A1 (en) | 2011-03-17 |
EP2124449A1 (en) | 2009-11-25 |
EP2277310A1 (en) | 2011-01-26 |
CN102037728A (zh) | 2011-04-27 |
JP5372143B2 (ja) | 2013-12-18 |
WO2009141271A1 (en) | 2009-11-26 |
KR20110014990A (ko) | 2011-02-14 |
CN102037728B (zh) | 2013-03-27 |
KR101640148B1 (ko) | 2016-07-15 |
US9596505B2 (en) | 2017-03-14 |
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