JP2006033677A - 映像再生出力装置及び映像再生出力方法 - Google Patents
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Abstract
【解決手段】本発明の映像再生出力装置は、デジタル放送を受信する受信手段と、受信手段が受信したデジタル放送から、映像データ及び映像データに関する関連情報を復元する復元手段と、復元手段が復元した関連情報から、視聴制限情報を抽出する視聴制限情報抽出手段と、復元手段が復元した映像データを、アナログ映像信号へと変換する映像変換手段と、視聴制限情報抽出手段が抽出した視聴制限情報を、映像変換手段が変換したアナログ映像信号へ重畳して出力する出力手段とを具備する。
【選択図】図1
Description
図1は、本発明の第1の実施の形態に係る映像再生出力装置の構成例を示すブロック図である。第1の実施の形態では、本発明の映像再生出力装置の一実施形態であるデジタル放送受信機の一例を挙げて説明する。
図9は、本発明の第2の実施の形態に係る映像再生出力装置の構成例を示すブロック図である。第2の実施の形態においても、本発明の映像再生出力装置の一実施形態であるデジタル放送受信機の一例を挙げて説明する。なお、図9に示す第2の実施の形態では、図1でのXDS情報生成部33に代えて、VBI情報生成部43を設けているところが異なっている。また、図10は、本発明の第2の実施の形態のデジタル放送受信機を含むデジタル放送システムの構成を示す図である。
12 TSデコーダ
13 音声デコーダ
14 映像デコーダ
15 映像音声出力部
18 ユーザ入力部
19 制御部
21,991 サービス情報処理部
22 合成部
23 ミュート部
31 NTSCエンコーダ
32 VBI処理部
33 XDS情報生成部
34 パレンタル情報変換テーブル
43 VBI情報生成部
91 放送衛星
92 放送送出装置
93 ケーブル送出装置
100,200 デジタル放送受信機
301 トランスポートストリーム
311 PMTパケット
312 EITパケット
313 音声パケット
314 映像パケット
400 content_advisory_descriptor
401 reted_dimensions
402 rating_value
Claims (8)
- デジタル放送を受信する受信手段と、
前記受信手段が受信した前記デジタル放送から映像データ及び前記映像データに関する関連情報を復元する復元手段と、
前記復元手段が復元した前記関連情報から視聴制限情報を抽出する視聴制限情報抽出手段と、
前記復元手段が復元した前記映像データをアナログ映像信号へと変換する映像変換手段と、
前記視聴制限情報抽出手段が抽出した前記視聴制限情報を、前記映像変換手段が変換した前記アナログ映像信号へ重畳して出力する出力手段とを具備することを特徴とする映像再生出力装置。 - 前記映像再生出力装置は、さらに、
前記視聴制限情報抽出手段が抽出した前記視聴制限情報を、前記映像変換手段が変換した前記アナログ映像信号の映像規格に対応した前記視聴制限情報に変換する視聴制限情報変換手段を具備し、
前記出力手段は、前記視聴制限情報変換手段が変換した前記アナログ映像信号の映像規格に対応した前記視聴制限情報を、前記映像変換手段が変換した前記アナログ映像信号へ重畳して出力することを特徴とする請求項1記載の映像再生出力装置。 - 前記映像再生出力装置は、さらに、
前記デジタル放送における映像規格に基づいた視聴制限情報と、前記アナログ映像信号の映像規格に基づいた視聴制限情報とを記憶する視聴制限情報変換テーブルを具備し、
前記視聴制限情報変換手段は、前記視聴制限情報変換テーブルを参照して、前記視聴制限情報抽出手段が抽出した前記視聴制限情報を、前記映像変換手段が変換した前記アナログ映像信号の映像規格に基づいた視聴制限情報に変換することを特徴とする請求項2記載の映像再生出力装置。 - 前記復元手段は、前記デジタル放送におけるトランスポートストリームに含まれるEIT(Event Information Table)、あるいはPMT(Program Map Table)から前記関連情報を復元し、
前記視聴制限情報抽出手段は、前記復元手段が復元した前記関連情報に含まれるcontent_advisory_descriptorを抽出し、
前記視聴制限情報変換手段は、前記視聴制限情報変換テーブルを参照して、前記content_advisory_descriptorに含まれる前記視聴制限情報を、前記アナログ映像信号の映像規格に基づいた視聴制限情報に変換することを特徴とする請求項3記載の映像再生出力装置。 - 前記視聴制限情報変換手段は、前記content_advisory_descriptorに含まれる前記視聴制限情報を、EIA−608規格における拡張データサービスに基づいた視聴制限情報に変換することを特徴とする請求項4記載の映像再生出力装置。
- 前記出力手段は、前記視聴制限情報変換手段が変換した前記アナログ映像信号の映像規格に対応した前記視聴制限情報とともに、前記復元手段が復元した前記関連情報に含まれる緊急情報としてのEAS(Emergent Alert System)情報を、前記映像変換手段が変換した前記アナログ映像信号へ重畳して出力することを特徴とする請求項2記載の映像再生出力装置。
- 受信したデジタル放送から復元された映像データを、アナログコンポシットビデオ信号に変換して出力する映像再生出力方法であって、
前記映像データを前記アナログコンポシットビデオ信号に変換するステップと、
前記デジタル放送におけるトランスポートストリームに含まれるEIT(Event Information Table)、あるいはPMT(Program Map Table)を復元するステップと、
前記EIT(Event Information Table)、あるいは前記PMT(Program Map Table)に含まれるcontent_advisory_descriptorを抽出するステップと、
前記content_advisory_descriptorに含まれる視聴制限情報を抽出するステップと、
前記視聴制限情報を、アナログ映像信号の映像規格に基づいた視聴制限情報に変換するステップと、
前記アナログコンポシットビデオ信号の垂直ブランキング期間に、変換された前記視聴制限情報を重畳して出力するステップとを有したことを特徴とする映像再生出力方法。 - 前記映像再生出力方法は、さらに、前記トランスポートストリームに含まれる緊急情報としてのEAS(Emergent Alert System)情報を、前記アナログコンポシットビデオ信号の垂直ブランキング期間に重畳して出力するステップとを有したことを特徴とする請求項7記載の映像再生出力方法。
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US10/901,613 US20060020959A1 (en) | 2004-07-21 | 2004-07-28 | Apparatus and method of video decoding and outputting |
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JP2001333343A (ja) * | 2000-05-19 | 2001-11-30 | Sharp Corp | テレビジョン受像機 |
JP2002044616A (ja) * | 2001-03-19 | 2002-02-08 | Tbs Service Inc | リアルタイムデジタル放送/アナログ放送字幕データ変換送出システム |
JP2003018550A (ja) * | 2001-07-02 | 2003-01-17 | Matsushita Electric Ind Co Ltd | 再生装置 |
JP2003018490A (ja) * | 2001-07-03 | 2003-01-17 | Funai Electric Co Ltd | テレビジョン受信装置 |
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EP2224732A1 (en) | 2009-02-26 | 2010-09-01 | Funai Electric Co., Ltd. | Video device |
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