JP2015529988A - 対話型サービスを処理する装置及び方法 - Google Patents
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Abstract
Description
media_time =”m=”1*7hexdigit
spread =”s=”1*digit
「event_time」項は、ターゲットとされたイベント(「e=」項)と当該イベントが活性化されるべき時間(「t=」項)を識別するために活性化トリガーにおいて用いることができる。「t=」項がないと、これは、トリガーが到達する時間にイベントが活性化されなければならないことを意味する。
ATSC-Delivery-Mode:ShortPolling[<poll-period>]
ATSC-Delivery-Mode:LongPolling
ATSC-Delivery-Mode:Streaming
<poll−period>パラメータは、連続するポールに対してポール間の推奨間隔を示すことができる。<poll−period>は省略されてもよい。
Claims (16)
- 対話型サービス(interactive service)を処理する方法において、
アプリケーションのうち少なくとも一つに関する情報を含むアプリケーションパラメータテーブルを生成するステップであって、
前記アプリケーションパラメータテーブルは、第1識別子と第2識別子を含み、
前記第1識別子は、前記アプリケーションパラメータテーブルに関連する対話型プログラムセグメント(interactive programming segment)を識別し、
前記第2識別子は、アプリケーションパラメータテーブルの範囲内のアプリケーションを識別する、ステップと、
前記アプリケーションの活性化時間のうち少なくとも一つを示す活性化メッセージファイルを生成するステップであって、
前記活性化時間は、活性化の時間を意味し、
前記活性化メッセージファイルは、第3識別子と活性化メッセージを含み、
第3識別子は、前記活性化メッセージファイル内の活性化メッセージが適用される前記アプリケーションを含むアプリケーションパラメータテーブルの前記第1識別子とマッチングされ、
前記活性化メッセージは、第4識別子と開始時間情報を含み、
前記第4識別子は、前記活性化メッセージファイルが連携された前記アプリケーションパラメータテーブル内のアプリケーションの前記第2識別子とマッチングされ、
前記開始時間情報は、前記セグメントの時間を基準に前記アプリケーションにターゲットとなったイベントのための時間期間の開始を示す、ステップと、
前記アプリケーションパラメータテーブルを第1部分とし、前記活性化メッセージファイルを第2部分とする多重部分メッセージ(multi−part message)を生成するステップと、
HTTPを通じて前記多重部分メッセージを受信機に送信するステップと、
を含む、対話型サービス処理方法。 - 前記アプリケーションパラメータテーブルは、第5識別子をさらに含み、前記第5識別子は、前記イベントを識別し、前記活性化メッセージは、第6識別子をさらに含み、前記第6識別子は、前記第4識別子によって識別されるアプリケーションの前記第5識別子とマッチングされる、請求項1に記載の対話型サービス処理方法。
- 前記活性化は、前記イベントのための時間期間の開始後に前記活性化メッセージファイルが受信されると直ちに発生する、請求項1に記載の対話型サービス処理方法。
- 前記アプリケーションパラメータテーブルは、前記アプリケーションパラメータテーブルの定義のバージョン番号を示すバージョン情報をさらに含む、請求項1に記載の対話型サービス処理方法。
- 前記アプリケーションパラメータテーブルは、第7識別子をさらに含み、前記第7識別子は、前記第5識別子によって識別された前記イベントのために用いられるデータを識別し、前記活性化メッセージは、第8識別子をさらに含み、前記第8識別子は、前記第4識別子によって識別されたアプリケーションの前記第7識別子とマッチングされる、請求項2に記載の対話型サービス処理方法。
- 前記活性化メッセージは、終了時間情報をさらに含み、前記終了時間情報は、前記セグメントの時間を基準に前記イベントのための時間期間の終わりを示す、請求項1に記載の対話型サービス処理方法。
- 前記アプリケーションは、トリガーされた宣言的客体(Triggered Declarative Object;TDO)であり、前記アプリケーションパラメータテーブルは、TDOパラメータテーブルである、請求項1に記載の対話型サービス処理方法。
- 前記セグメントの前記時間は、前記セグメントのメディア時間であり、前記セグメントのメディア時間は、コンテンツアイテムの再生における一時点を参照するパラメータである、請求項1に記載の対話型サービス処理方法。
- 対話型サービス(interactive service)を受信する装置において、
HTTPを通じて多重部分メッセージ(multi−part message)を受信するように構成されたネットワークインターフェースであって、前記多重部分メッセージは、前記多重部分メッセージの第1部分であるアプリケーションパラメータテーブルと前記多重部分メッセージの第2部分である活性化メッセージファイルとで構成された、ネットワークインターフェースと、
トリガーモジュールであって、
前記多重部分メッセージをパーシング(parse)し、
前記アプリケーションパラメータテーブルと前記活性化メッセージファイルを取得し、
アプリケーションのうち少なくとも一つに関する情報を含む前記アプリケーションパラメータテーブルをパーシングし、
第1識別子、第2識別子及びURL情報を取得し、
前記第1識別子は、前記対話型パラメータテーブルに関連する対話型プログラムセグメント(interactive programming segment)を識別し、
前記第2識別子は、前記アプリケーションパラメータテーブルの範囲内の前記アプリケーションを識別し、
前記URL情報は、前記アプリケーションを伝達可能なサーバーのURLを示し、
前記URL情報は、前記アプリケーションの一部であるファイルを識別し、
前記ネットワークインターフェースは、前記URL情報を用いて前記アプリケーションをダウンロードし、
活性化の時間を意味する前記アプリケーションの活性化時間のうち少なくとも一つを示す活性化メッセージファイルをパーシングし、
第3識別子と活性化メッセージを取得し、
前記第3識別子は、前記活性化メッセージファイル内の前記活性化メッセージが適用される前記アプリケーションを含む前記アプリケーションパラメータテーブルの前記第1識別子とマッチングされ、
前記活性化メッセージをパーシングし、
第4識別子と開始時間情報を取得すし、
前記第4識別子は、前記活性化メッセージファイルが連携された前記アプリケーションパラメータテーブル内のアプリケーションの前記第2識別子とマッチングされ、
前記開始時間情報は、前記セグメントの時間を基準に前記アプリケーションにターゲットとなったイベントのための時間期間の開始を示す、ように構成されたトリガーモジュールと、
前記アプリケーションを表示するように構成されたディスプレイモジュールと、
を含む装置。 - 前記アプリケーションパラメータテーブルは、第5識別子をさらに含み、
前記アプリケーションパラメータテーブルをパーシングするように構成されたトリガーモジュールは、第5識別子をさらに取得し、
前記第5識別子は、前記イベントを識別し、
前記活性化メッセージは、第6識別子をさらに含み、
前記活性化メッセージをパーシングするように構成された前記トリガーモジュールは、第6識別子をさらに取得し、
前記第6識別子は、前記第4識別子によって識別されるアプリケーションの前記第5識別子とマッチングする、請求項9に記載の装置。 - 前記活性化は、前記イベントのための時間期間の開始後に前記活性化メッセージファイルを受信すると直ちに発生する、請求項9に記載の装置。
- 前記アプリケーションパラメータテーブルは、前記アプリケーションパラメータテーブルの定義のバージョン番号を示すバージョン情報をさらに含む、請求項9に記載の装置。
- 前記アプリケーションパラメータテーブルは、第7識別子をさらに含み、前記アプリケーションパラメータテーブルをパーシングするように構成された前記トリガーモジュールは、前記第7識別子をさらに取得し、前記第7識別子は、前記第5識別子によって識別された前記イベントのために用いられるデータを識別し、
前記活性化メッセージは、第8識別子をさらに含み、前記第8識別子は、前記第4識別子によって識別されたアプリケーションの前記第7識別子とマッチングし、前記活性化メッセージをパーシングするように構成された前記トリガーモジュールは、前記第8識別子をさらに取得し、前記第8識別子は、前記第4識別子によって識別されたアプリケーションの前記第7識別子とマッチングする、請求項10に記載の装置。 - 前記活性化メッセージは、終了時間情報をさらに含み、前記活性化メッセージをパーシングするように構成された前記トリガーモジュールは、前記終了時間情報をさらに取得し、前記終了時間情報は、前記セグメントの時間を基準に前記イベントのための時間期間の終わりを示す、請求項9に記載の装置。
- 前記アプリケーションは、トリガーされた宣言的客体(Triggered Declarative Object;TDO)であり、前記アプリケーションパラメータテーブルは、TDOパラメータテーブルである、請求項9に記載の装置。
- 前記セグメントの前記時間は、前記セグメントのメディア時間であり、前記セグメントのメディア時間は、コンテンツアイテムの再生における一時点を参照するパラメータである、請求項9に記載の装置。
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