JP5866125B2 - ケーブルテレビシステムを使用したビデオ装置間のデジタルビデオストリーミング - Google Patents
ケーブルテレビシステムを使用したビデオ装置間のデジタルビデオストリーミング Download PDFInfo
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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
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
- H04H20/77—Wired systems using carrier waves
- H04H20/78—CATV [Community Antenna Television] systems
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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
- H04N21/21—Server components or server architectures
- H04N21/222—Secondary servers, e.g. proxy server, cable television Head-end
- H04N21/2221—Secondary servers, e.g. proxy server, cable television Head-end being a cable television head-end
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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
- H04N21/25—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
- H04N21/2665—Gathering content from different sources, e.g. Internet and satellite
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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
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6118—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving cable transmission, e.g. using a cable modem
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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
- H04N21/61—Network physical structure; Signal processing
- H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
- H04N21/6168—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving cable transmission, e.g. using a cable modem
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
Description
本出願は、2010年10月14日に出願された米国仮出願第61/393,262号の利益を主張する。その仮出願の内容は、その全体が参照により援用される。
本発明は、電子機器間におけるデジタルビデオを共有すること、さらに詳しくは、テレビシステムを使い、加入者の楽しみのために個人的なデジタルビデオをストリームするために、プライベートな両方向データチャネルを確立することに関する。
デジタルビデオは現代社会の重要な部分を形成する。プライベートなデジタルビデオ装置は、私たちが後の見返しや楽しみのために自身の人生経験を記録することを可能にする。映画やテレビといった形のプロフェッショナルビデオ装置は、私たちが人生を他人の目から見ることを可能にし、私たちは彼らの知恵や間違いから利益を得ることができる。社会動物として、私たちはたびたびこのような経験を他者と共有することを望み、鑑賞会のために他者を自身の家に招く機会を好む。
本発明の種々の実施形態に従って、既存のケーブルテレビインフラストラクチャーを使用して、スマートフォン、パーソナルコンピュータ、そしてその他の装置上のデジタルビデオをセットトップボックスと共有することで、これらの困難を克服するシステムおよび方法が示される。これらのシステムおよび方法は、ケーブルでコンピュータをテレビに接続すること、追加のコンピュータを購入し設定すること、もしくは敷地でローカルなワイヤレスデータコネクションをセットアップすることを必要としない。さらには、これらのシステムは標準のセットトップボックスリモコンを使用して制御されるため、ケーブル加入者は、テレビに表示される画像を制御するためにキーボードおよびマウスを使用することを強いられること、もしくは新しいメニューインタフェースを学ぶことを強いられることなく、標準のケーブルシステムメニューを使用することを許可される。
本明細書は、例えば、以下の項目も提供する。
(項目1)
第一のビデオ装置と第二のビデオ装置の間でデジタルビデオをストリームする方法であって、該第一のビデオ装置はパブリックデータネットワークに接続されており、該第二のビデオ装置はケーブルネットワークおよびケーブルヘッドエンドを有するケーブルテレビシステムに接続されており、該ケーブルヘッドエンドもまた該パブリックデータネットワークに接続されており、該第二のビデオ装置がビデオ装置制御装置により制御され、該方法は、
該第一のビデオ装置から該ケーブルヘッドエンドへの第一の両方向データチャネルを確立することと、
該ケーブルネットワークを通る該第二のビデオ装置から該ケーブルヘッドエンドへの第二の両方向データチャネルを確立することであって、それにより該ケーブルヘッドエンドを通り該第一のビデオ装置と該第二のビデオ装置の間の両方向データ通信を許可することと、
該第一のデータチャネルを使用して該ケーブルヘッドエンドで該第一のビデオ装置から該デジタルビデオを含む第一のデータストリームを受信することと、
該受信されたデジタルビデオに基づいた第二のビデオを含む第二のデータストリームを形成することと、
該第二のデータチャネルを使用して該第二のデータストリームを該ケーブルヘッドエンドから該第二のビデオ装置へと伝送することであって、該データストリームは、該第一および第二のデータチャネルを通り該ビデオ装置制御装置から該第一のビデオ装置へとコマンドを伝達することにより制御される、ことと、
を含む、方法。
(項目2)
前記デジタルビデオが音声データ、動画像データ、静止画像データ、もしくはこれらの任意の組み合わせを含む、項目1に記載の方法。
(項目3)
前記デジタルビデオがMPEG仕様に従ってエンコードされる、項目1に記載の方法。
(項目4)
前記第一のビデオ装置がパーソナルコンピュータもしくはスマートフォンである、項目1に記載の方法。
(項目5)
前記第二のビデオ装置がテレビもしくはテレビに接続されたセットトップボックスであり、前記装置制御装置がリモコンである、項目1に記載の方法。
(項目6)
前記テレビで前記第二のビデオを表示することをさらに含む、項目5に記載の方法。
(項目7)
前記第二のビデオが前記受信されたデジタルビデオを含む、項目1に記載の方法。
(項目8)
前記第二のビデオが前記受信されたデジタルビデオを前記第二のビデオ装置でデコード可能なフォーマットにトランスコードすることを含む、項目1に記載の方法。
(項目9)
前記第二のビデオが複数のビデオフレームを含んでおり、各ビデオフレームがもう一つの画像とステッチし合わされたデジタルビデオのフレームを含む、項目1に記載の方法。
(項目10)
その他の画像が、広告、前記第一のビデオ装置と関連した情報、もしくは前記デジタルビデオと関連した情報を含む、項目9に記載の方法。
(項目11)
前記パブリックデータネットワークがインターネットである、項目1に記載の方法。
(項目12)
前記第一および第二のビデオ装置が個人の敷地内に位置している、項目1に記載の方法。
(項目13)
前記第一および第二のビデオ装置の間の両方向データチャネルの全体が敷地内に含まれることがない、項目12に記載の方法。
(項目14)
前記第一のデータチャネルを確立することが、
該第一のデータチャネルを確立する第一のリクエストを前記第一のビデオ装置から受信することであって、該第一のリクエストは、固有識別子を含むリクエストパラメーターを有する、ことと、
該リクエストパラメーターに基づき該第一のデータチャネルを確立することを認可することと、
を含む、項目1に記載の方法。
(項目15)
前記第一のリクエストが前記パブリックデータネットワークもしくは前記ケーブルネットワークいずれかを通して受信される、項目14に記載の方法。
(項目16)
前記固有識別子は、前記第一のビデオ装置と固有に関連するメディアアクセス制御(MAC)アドレスである、項目14に記載の方法。
(項目17)
前記第二のデータチャネルを確立することが、
該第二のデータチャネルを確立する第二のリクエストを前記第二のビデオ装置から受信することであって、該第二のリクエストは、前記固有識別子を含むリクエストパラメーターを有する、ことと、
該受信された固有識別子を使用して前記第一のビデオ装置を識別することと、
該第二のビデオ装置と該識別された第一のビデオ装置とをアソシエートすることと、
を含む、項目14に記載の方法。
(項目18)
第一のビデオ装置と第二のビデオ装置の間でデジタルビデオをストリームするためのコンピュータプログラムコードが格納された、実体のある、一時的でないデータ記憶媒体であって、該第一のビデオ装置はパブリックデータネットワークに接続されており、該第二のビデオ装置はケーブルネットワークおよびケーブルヘッドエンドを有するケーブルテレビシステムに接続されており、該ケーブルヘッドエンドもまた該パブリックデータネットワークに接続されており、該第二のビデオ装置がビデオ装置制御装置により制御され、該記憶媒体は、
該第一のビデオ装置から該ケーブルヘッドエンドへの第一の両方向データチャネルを確立するためのプログラムコードと、
該ケーブルネットワークを通る該第二のビデオ装置から該ケーブルヘッドエンドへの第二の両方向データチャネルを確立するためのプログラムコードであって、それにより、該ケーブルヘッドエンドを通り該第一のビデオ装置と該第二のビデオ装置の間の両方向データ通信を許可する、プログラムコードと、
該第一のデータチャネルを使用して該ケーブルテレビヘッドエンドで該第一のビデオ装置から該デジタルビデオを含む第一のデータストリームを受信するためのプログラムコードと、
該受信されたデジタルビデオに基づいた第二のビデオを含む第二のデータストリームを形成するためのプログラムコードと、
該第二のデータチャネルを使用して該第二のデータストリームを該ケーブルヘッドエンドから該第二のビデオ装置へと伝送するためのプログラムコードであって、該データストリームは、該第一および第二のデータチャネルを通り該ビデオ装置制御装置から該第一のビデオ装置へとコマンドを伝達することにより制御される、プログラムコードと、
を含む、記憶媒体。
本発明の先述の特徴は、付随している図への言及を伴って、下記の詳細な記述を参照することでより容易に理解される。
定義。本記述および添付の特許請求の範囲に使用される場合、下記の語句は以下に述べられた意味を有する(文脈が異なる意味を要求する場合を除く)。
Claims (18)
- 第一のビデオ装置と第二のビデオ装置の間でデジタルビデオをストリームする方法であって、該第一のビデオ装置はパブリックデータネットワークに接続されており、該第二のビデオ装置はケーブルネットワークおよびケーブルヘッドエンドを有するケーブルテレビシステムに接続されており、該ケーブルヘッドエンドもまた該パブリックデータネットワークに接続されており、該第二のビデオ装置がビデオ装置制御装置により制御され、該方法は、該ケーブルヘッドエンドにおいて、
該第一のビデオ装置との第一の両方向データチャネルを確立することと、
該ケーブルネットワークを通る該第二のビデオ装置との第二の両方向データチャネルを確立することと、
該第一の両方向データチャネルを使用して該第一のビデオ装置から該デジタルビデオを含む第一のデータストリームを受信することと、
該デジタルビデオに基づいた第二のビデオを含む第二のデータストリームを形成することと、
該第二の両方向データチャネルを使用して該第二のデータストリームを該第二のビデオ装置へと伝送することと、
該第二の両方向データチャネルを使用して該第二のビデオ装置を介して該ビデオ装置制御装置からコマンドを受信することと、
該受信されたコマンドに基づいて該第一のデータストリームを変更するために、該第一の両方向データチャネルを使用して該第一のビデオ装置へと該コマンドを伝達することと、
を含む、方法。 - 前記デジタルビデオが音声データ、動画像データ、静止画像データ、もしくはこれらの任意の組み合わせを含む、請求項1に記載の方法。
- 前記デジタルビデオがMPEG仕様に従ってエンコードされる、請求項1に記載の方法。
- 前記第一のビデオ装置がパーソナルコンピュータもしくはスマートフォンである、請求項1に記載の方法。
- 前記第二のビデオ装置がテレビもしくはテレビに接続されたセットトップボックスであり、前記ビデオ装置制御装置がリモコンである、請求項1に記載の方法。
- 前記テレビで前記第二のビデオを表示することをさらに含む、請求項5に記載の方法。
- 前記第二のビデオが前記受信されたデジタルビデオを含む、請求項1に記載の方法。
- 前記第二のビデオが前記受信されたデジタルビデオを前記第二のビデオ装置でデコード可能なフォーマットにトランスコードすることを含む、請求項1に記載の方法。
- 前記第二のビデオが複数のビデオフレームを含んでおり、各ビデオフレームが第一の画像とステッチし合わされたデジタルビデオのフレームを含む、請求項1に記載の方法。
- 前記第一の画像が、広告、前記第一のビデオ装置と関連した情報、もしくは前記デジタルビデオと関連した情報を含む、請求項9に記載の方法。
- 前記パブリックデータネットワークがインターネットである、請求項1に記載の方法。
- 前記第一および第二のビデオ装置が個人の敷地内に位置している、請求項1に記載の方法。
- 前記第一および第二のビデオ装置の間の両方向データチャネルの全体が敷地内に含まれることがない、請求項12に記載の方法。
- 前記第一の両方向データチャネルを確立することが、
該第一の両方向データチャネルを確立する第一のリクエストを前記第一のビデオ装置から受信することであって、該第一のリクエストは、固有識別子を含むリクエストパラメーターを有する、ことと、
該リクエストパラメーターに基づき該第一のデータチャネルを確立することを認可することと、
を含む、請求項1に記載の方法。 - 前記第一のリクエストが前記パブリックデータネットワークもしくは前記ケーブルネットワークいずれかを通して受信される、請求項14に記載の方法。
- 前記固有識別子は、前記第一のビデオ装置と固有に関連するメディアアクセス制御(MAC)アドレスである、請求項14に記載の方法。
- 前記第二の両方向データチャネルを確立することが、
該第二の両方向データチャネルを確立する第二のリクエストを前記第二のビデオ装置から受信することであって、該第二のリクエストは、前記固有識別子を含むリクエストパラメーターを有する、ことと、
該受信された固有識別子を使用して前記第一のビデオ装置を識別することと、
該第二のビデオ装置と該識別された第一のビデオ装置とをアソシエートすることと、
を含む、請求項14に記載の方法。 - 第一のビデオ装置と第二のビデオ装置の間でデジタルビデオをストリームするためのコンピュータプログラムコードが格納された、実体のある、一時的でないデータ記憶媒体であって、該第一のビデオ装置はパブリックデータネットワークに接続されており、該第二のビデオ装置はケーブルネットワークおよびケーブルヘッドエンドを有するケーブルテレビシステムに接続されており、該ケーブルヘッドエンドもまた該パブリックデータネットワークに接続されており、該第二のビデオ装置がビデオ装置制御装置により制御され、該コンピュータプログラムコードが、該ケーブルヘッドエンドにおいて、
該第一のビデオ装置との第一の両方向データチャネルを確立することと、
該ケーブルネットワークを通る該第二のビデオ装置との第二の両方向データチャネルを確立することと、
該第一の両方向データチャネルを使用して該第一のビデオ装置から該デジタルビデオを含む第一のデータストリームを受信することと、
該デジタルビデオに基づいた第二のビデオを含む第二のデータストリームを形成することと、
該第二の両方向データチャネルを使用して該第二のデータストリームを該第二のビデオ装置へと伝送することと、
該第二の両方向データチャネルを使用して該第二のビデオ装置を介して該ビデオ装置制御装置からコマンドを受信することと、
該受信されたコマンドに基づいて該第一のデータストリームを変更するために、該第一の両方向データチャネルを使用して該第一のビデオ装置へと該コマンドを伝達することと、
を実行するための命令を含む、記憶媒体。
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CA2814070A1 (en) | 2012-04-19 |
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AU2011315950B2 (en) | 2015-09-03 |
WO2012051528A3 (en) | 2012-06-07 |
AU2011315950A1 (en) | 2013-05-02 |
JP2014502433A (ja) | 2014-01-30 |
US9021541B2 (en) | 2015-04-28 |
EP2628306A4 (en) | 2014-05-07 |
IL225525A0 (en) | 2013-06-27 |
WO2012051528A2 (en) | 2012-04-19 |
EP2628306B1 (en) | 2017-11-22 |
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