JP2013012288A - ソースに最適化した動的なトリック再生 - Google Patents
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- 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
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
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- G11B27/005—Reproducing at a different information rate from the information rate of recording
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- H04N21/21—Server components or server architectures
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- 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
- H04N21/234363—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 by altering the spatial resolution, e.g. for clients with a lower screen resolution
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- 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
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
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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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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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
- H04N21/65—Transmission of management data between client and server
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- G11B2220/41—Flat as opposed to hierarchical combination, e.g. library of tapes or discs, CD changer, or groups of record carriers that together store one title
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
Abstract
【解決手段】少なくとも1つのトリック再生ソースファイルは、原メディアコンテンツから生成される。その場合に、特定のトリック再生ビューレートを表示するトリック再生ビューファイルは、トリック再生ソースファイルから生成される。
【選択図】図2
Description
本願は、2006年12月29日金曜日に出願された出願番号60/878,034の“ソースに最適化した動的なトリック再生(SOURCE OPTIMIZED DYNAMIC TRICKPLAY)”と題された米国暫定特許出願に基づく優先権を主張する。
104 トリック再生ソースファイル
106〜110 ビューファイル
302 ヘッダ
303〜305 セクション
Claims (10)
- 装置の動作に作用すべく適用される場合に、前記装置に、
原メディアコンテンツから少なくとも1つのトリック再生ソースファイルを生成させ、
前記原メディアコンテンツを見るよう要求を受け取った後、該要求が最低限利用可能なトリック再生ビューレートに対するものである場合に前記トリック再生ソースファイルをストリーミングさせ、
前記要求が前記最低限利用可能なトリック再生ビューレート以外のレートで見るためのものである場合に、前記トリック再生ソースファイルから前記要求されたトリック再生ビューレートを提供するためのトリック再生ビューファイルを動的に生成させて記憶容量に記憶させる
プログラム。 - 前記装置に、更に、前記原メディアコンテンツの音声、キャプション表示、及びサブタイトルのうちの1又はそれ以上を除く少なくとも1つのトリック再生ソースファイルを生成させる、請求項1記載のプログラム。
- 前記装置に、更に、前記原メディアコンテンツのIフレームのみを有する少なくとも1つのトリック再生ソースファイルを生成させる、請求項1記載のプログラム。
- 前記装置に、更に、前記原メディアコンテンツをストリーミングする前に前記原メディアコンテンツから前記少なくとも1つのトリック再生ソースファイルを生成させる、請求項1記載のプログラム。
- 前記装置に、更に、前記原メディアコンテンツがストリーミングされている最中に動的に前記トリック再生ビューファイルを生成させる、請求項1記載のプログラム。
- 前記装置に、更に、最低のトリック再生レートを提供するために必要とされる単一のトリック再生ソースファイルを生成させる、請求項1記載のプログラム。
- 前記装置に、更に、複数のトリック再生レートのための単一のタグファイルを生成させ、
前記タグファイルは、前記トリック再生ソースファイルにおいてIフレームを参照するタグを有し、前記タグは、前記記憶容量で前記トリック再生ビューファイルにおいて記憶すべき前記トリック再生ソースファイルにおけるIフレームを特定する、請求項1記載のプログラム。 - ストリーミングデータネットワークを介して原メディアコンテンツのトリック再生ビューイングを提供する方法であって、
最も遅い利用可能なトリック再生ビューレートを実施するよう前記原メディアコンテンツから最小数のIフレームのみを用いるトリック再生ソースファイルを生成するステップと、
前記原メディアコンテンツをストリーミングするステップと、
前記原メディアコンテンツのビューイングレートのための視聴者の装置からの要求を受け取るステップと、
前記視聴者の装置からの前記要求に応答して、前記要求されたビューイングレートが前記最も遅い利用可能なトリック再生ビューレート以外である場合には、前記要求されたビューイングレートのためのトリック再生ビューファイルを前記トリック再生ソースファイルから生成し、別な場合には、前記トリック再生ソースファイルからの再生を提供するステップと
を有する方法。 - 前記最も遅い利用可能なトリック再生ビューレートのための要求に対して前記トリック再生ソースファイルからの再生を提供するステップと、
全ての他の要求されたビューイングレートのためのトリック再生ビューファイルを前記トリック再生ソースファイルから生成するステップと
を更に有する、請求項8記載の方法。 - 前記トリック再生ソースファイルを生成する場合に、ディスクブロック境界内でIフレーム配列を生成するよう前記ソースファイルからMPEGパケットを除くステップを更に有する、請求項8記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US87803406P | 2006-12-29 | 2006-12-29 | |
US60/878,034 | 2006-12-29 |
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JP2007339704A Division JP2008198329A (ja) | 2006-12-29 | 2007-12-28 | ソースに最適化した動的なトリック再生 |
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JP2013012288A true JP2013012288A (ja) | 2013-01-17 |
Family
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JP2007339704A Pending JP2008198329A (ja) | 2006-12-29 | 2007-12-28 | ソースに最適化した動的なトリック再生 |
JP2012183810A Pending JP2013012288A (ja) | 2006-12-29 | 2012-08-23 | ソースに最適化した動的なトリック再生 |
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JP2007339704A Pending JP2008198329A (ja) | 2006-12-29 | 2007-12-28 | ソースに最適化した動的なトリック再生 |
Country Status (4)
Country | Link |
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US (2) | US8693849B2 (ja) |
EP (1) | EP1939877B1 (ja) |
JP (2) | JP2008198329A (ja) |
CA (1) | CA2616440C (ja) |
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AU2010203605B2 (en) | 2009-01-07 | 2015-05-14 | Divx, Llc | Singular, collective and automated creation of a media guide for online content |
US9769504B2 (en) * | 2009-03-31 | 2017-09-19 | Comcast Cable Communications, Llc | Dynamic distribution of media content assets for a content delivery network |
JP5723888B2 (ja) | 2009-12-04 | 2015-05-27 | ソニック アイピー, インコーポレイテッド | 基本ビットストリーム暗号材料伝送システムおよび方法 |
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US8909922B2 (en) | 2011-09-01 | 2014-12-09 | Sonic Ip, Inc. | Systems and methods for playing back alternative streams of protected content protected using common cryptographic information |
US8964977B2 (en) | 2011-09-01 | 2015-02-24 | Sonic Ip, Inc. | Systems and methods for saving encoded media streamed using adaptive bitrate streaming |
US9537920B2 (en) | 2012-05-18 | 2017-01-03 | Google Technology Holdings LLC | Enforcement of trick-play disablement in adaptive bit rate video content delivery |
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US9313510B2 (en) | 2012-12-31 | 2016-04-12 | Sonic Ip, Inc. | Use of objective quality measures of streamed content to reduce streaming bandwidth |
US10397292B2 (en) | 2013-03-15 | 2019-08-27 | Divx, Llc | Systems, methods, and media for delivery of content |
US9906785B2 (en) | 2013-03-15 | 2018-02-27 | Sonic Ip, Inc. | Systems, methods, and media for transcoding video data according to encoding parameters indicated by received metadata |
US9247317B2 (en) | 2013-05-30 | 2016-01-26 | Sonic Ip, Inc. | Content streaming with client device trick play index |
US9094737B2 (en) | 2013-05-30 | 2015-07-28 | Sonic Ip, Inc. | Network video streaming with trick play based on separate trick play files |
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US9866878B2 (en) | 2014-04-05 | 2018-01-09 | Sonic Ip, Inc. | Systems and methods for encoding and playing back video at different frame rates using enhancement layers |
MX2017006830A (es) * | 2014-11-25 | 2017-11-23 | Arris Entpr Llc | Detección de rellenador durante parada, pausa, retroceso y avance rápidos (trickplay). |
CN104683882B (zh) * | 2015-02-13 | 2018-02-23 | 北京数码视讯科技股份有限公司 | 一种流媒体倍速文件的生成及播放方法、装置 |
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US10498795B2 (en) | 2017-02-17 | 2019-12-03 | Divx, Llc | Systems and methods for adaptive switching between multiple content delivery networks during adaptive bitrate streaming |
WO2022212591A1 (en) * | 2021-03-31 | 2022-10-06 | Arris Enterprises Llc | Enhanced targeted advertising for video streaming |
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2007
- 2007-12-27 CA CA2616440A patent/CA2616440C/en active Active
- 2007-12-28 US US12/005,986 patent/US8693849B2/en active Active
- 2007-12-28 JP JP2007339704A patent/JP2008198329A/ja active Pending
- 2007-12-28 EP EP07150464.1A patent/EP1939877B1/en not_active Not-in-force
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2012
- 2012-08-23 JP JP2012183810A patent/JP2013012288A/ja active Pending
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2014
- 2014-02-26 US US14/190,932 patent/US9094703B2/en active Active
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JPH08154230A (ja) * | 1994-11-28 | 1996-06-11 | Fujitsu Ltd | 動画符号化データの媒体蓄積方法 |
JP2002125199A (ja) * | 2000-06-30 | 2002-04-26 | Toshiba Corp | フレーム情報記述方法、フレーム情報生成装置及び方法、映像再生装置及び方法並びに記録媒体 |
Also Published As
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US20140250474A1 (en) | 2014-09-04 |
JP2008198329A (ja) | 2008-08-28 |
EP1939877B1 (en) | 2020-03-25 |
EP1939877A1 (en) | 2008-07-02 |
US20080187283A1 (en) | 2008-08-07 |
CA2616440C (en) | 2015-02-17 |
CA2616440A1 (en) | 2008-06-29 |
US9094703B2 (en) | 2015-07-28 |
US8693849B2 (en) | 2014-04-08 |
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