JP2013524603A - チャンクの形態でストリーミングされたコンテンツを回復する方法 - Google Patents
チャンクの形態でストリーミングされたコンテンツを回復する方法 Download PDFInfo
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
Description
・チャンク・セレクタは、以下に説明する方法に従ってチャンクを選択する。
・通信手段は、選択されたチャンクを受信するために、サーバに対してリクエストを送信する。
・通信手段は、チャンクを受信する。
・チャンクは、バッファリングされる。
・チャンクは、ビデオ・プレイヤーに送信される。
BytesMaxNum=推定された帯域幅(/秒)*残存時間(秒)
Claims (10)
- クライアント装置で、コンテンツの時間長に対応する複数のチャンクに分割されたコンテンツを受信する適応型のストリーミング方法であって、該チャンクはサーバで少なくとも第1および第2のフォーマットに符号化され、該第2のフォーマットが該第1のフォーマットよりも良好なコンテンツのレンダリング品質に対応し、チャンクがチャンク受信期間に受信され、当該方法は、該クライアント装置において、
次のチャンク受信期間に前記クライアントと前記サーバとの間で利用可能な帯域幅を測定するステップと、
前記次のチャンク受信期間にチャンクを受信できるように、前記少なくとも第1または第2のフォーマットのうちのいずれか一方に符号化された該チャンクを送信するように前記サーバにリクエストするステップと、
前記第1のフォーマットで符号化された前記チャンクが受信されている場合であって、前記次のチャンク受信期間に幾らかの帯域幅が利用可能である場合には、第2のフォーマットで符号化されたチャンクの部分を送信するように前記サーバにリクエストするステップと、
を含む、前記方法。 - 前記チャンクを受信するステップと、
前記チャンクをレンダリング装置に送信するステップと、を含む、請求項1に記載の方法。 - 前記チャンクをメモリに記憶するステップを含む、請求項1または2に記載の方法。
- 前記利用可能な帯域幅を複数の連続的なチャンク受信期間に使用して前記第2のフォーマットで符号化された前記チャンクの全部分をリクエストするステップを含む、請求項1〜3のいずれか1項に記載の方法。
- 第2のフォーマットで符号化されたチャンクの全部分が受信されると、前記メモリにおいて、前記第1のフォーマットで符号化されたチャンクと第2のフォーマットで符号化された前記チャンクとを入れ替えるステップを含む、請求項4に記載の方法。
- クライアント装置で、コンテンツの時間長に対応する複数のチャンクに分割されたコンテンツを受信する適応型のストリーミング方法であって、前記チャンクはサーバでスケーラブルビデオ符号化(SVC)技術に従って基本レイヤーと少なくとも1つの拡張レイヤーに符号化され、チャンクがチャンク受信期間に受信され、当該方法は、該クライアント装置で、
前記次のチャンク受信期間に前記クライアントと前記サーバとの間で利用可能な帯域幅を測定するステップと、
前記次のチャンク受信期間にチャンクを受信できるように、少なくとも1つのSVCレイヤーを用いて符号化された該チャンクを送信するように前記サーバにリクエストするステップと、
前記次のチャンク受信期間に幾らかの帯域幅が利用可能である場合には、少なくとも1つの拡張レイヤー無しで前に受信されたチャンクの前記少なくとも1つの拡張レイヤーを送信するように前記サーバにリクエストするステップと、
を含む、前記方法。 - 前記チャンクを受信するステップと、
前記チャンクをレンダリング装置に送信するステップと、を含む請求項6に記載の方法。 - 前記チャンクをメモリに記憶するステップを含む、請求項6または7に記載の方法。
- 前記チャンクは、HTTPリクエストを通じてリクエストされる、請求項1〜8のいずれか1項に記載の方法。
- コンピュータ・プログラム・プロダクツであって、コンピュータ上で当該コンピュータ・プログラム・プロダクツのプログラムが実行されたときに、請求項1〜9に従った方法の各ステップを実行するプログラム・コード・インストラクションを含むことを特徴とする、前記コンピュータ・プログラム・プロダクツ。
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EP10305336.9 | 2010-04-01 | ||
EP10305336A EP2375680A1 (en) | 2010-04-01 | 2010-04-01 | A method for recovering content streamed into chunk |
PCT/EP2011/055030 WO2011121083A1 (en) | 2010-04-01 | 2011-03-31 | A method for recovering content streamed into chunk |
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JP2013524603A true JP2013524603A (ja) | 2013-06-17 |
JP2013524603A5 JP2013524603A5 (ja) | 2014-05-08 |
JP6016778B2 JP6016778B2 (ja) | 2016-10-26 |
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US (1) | US9258333B2 (ja) |
EP (2) | EP2375680A1 (ja) |
JP (1) | JP6016778B2 (ja) |
KR (1) | KR101701182B1 (ja) |
CN (1) | CN102823223B (ja) |
WO (1) | WO2011121083A1 (ja) |
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CN102823223A (zh) | 2012-12-12 |
US9258333B2 (en) | 2016-02-09 |
EP2553896A1 (en) | 2013-02-06 |
EP2553896B1 (en) | 2018-11-28 |
JP6016778B2 (ja) | 2016-10-26 |
CN102823223B (zh) | 2015-08-12 |
US20130013803A1 (en) | 2013-01-10 |
WO2011121083A1 (en) | 2011-10-06 |
KR20130044218A (ko) | 2013-05-02 |
KR101701182B1 (ko) | 2017-02-01 |
EP2375680A1 (en) | 2011-10-12 |
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