JP2005277873A - 車載用のデジタル放送受信装置 - Google Patents
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Abstract
【解決手段】 映像または音声の出力装置107に接続可能な車載用のデジタル放送受信装置は、同一コンテンツを、映像及び/または音声の品質が異なる複数の階層で送信するためのデジタル放送信号を受信するチューナ102と、複数の階層のそれぞれについて受信状態を判定し、出力可能な一の階層を選択し、選択された階層の映像信号及び/または音声信号を出力装置107へ出力する選択装置106と、を備える。選択装置106は、1セグメントの階層が選択されているときに、1セグメントの受信状態が所定の状態よりも悪化すると、12セグメントの階層を選択し、階層を切り替える。
【選択図】 図1
Description
車時に切り替えの場合について説明する。
1021チューナ
103:復調器
104:TS処理装置
105:デコーダ
106:選択装置
107:表示寒置
108:設定装置
109:I/O装置
110:ROM
111:RAM
1121記録装置
113:CPU
1611バス
Claims (6)
- 映像または音声の出力装置に接続可能な車載用のデジタル放送受信装置であって、
同一コンテンツを、映像及び/または音声の品質が異なる複数の階層で送信するためのデジタル放送信号を受信する手段と、
前記複数の階層のそれぞれについて受信状態を判定し、出力可能な一の階層を選択する手段と、
選択された階層の映像信号及び/または音声信号を前記出力装置へ出力する手段と、を備え、
前記選択手段は、第1の階層が選択されているときに、前記第1の階層の受信状態が所定の状態よりも悪化すると、前記第1の階層よりも高品質な第2の階層を選択し、階層を切り替える車載用のデジタル放送受信装置。 - 前記選択手段は、ブロックノイズ、電界強度、およびBER(Bit Error Rate)値のいずれかを用いて受信状態の判断をする請求項1記載の車載用のデジタル放送受信装置。
- 映像または音声の出力装置に接続可能な車載用のデジタル放送受信装置であって、
同一コンテンツを、映像及び/または音声の品質が異なる複数の階層で送信するためのデジタル放送信号を受信する手段と、
前記車載用のデジタル放送受信装置が搭載されている車両の走行状態を検出する検出手段と、
前記複数の階層のそれぞれについて受信状態を判定し、出力可能な一の階層を選択する手段と、
選択された階層の映像信号及び/または音声信号を前記出力装置へ出力する手段と、を備え、
前記選択手段は、第1の階層が選択されているときに、前記検出手段が検出した前記車両の走行状態に基づいて、前記第1の階層よりも高品質な第2の階層を選択し、階層を切り替える車載用のデジタル放送受信装置。 - 前記走行状態は、前記車両の発進または停止であることを特徴とする請求項3記載の車載用のデジタル放送受信装置。
- 映像または音声の出力装置に接続可能な車載用のデジタル放送受信装置であって、
同一コンテンツを、映像及び/または音声の品質が異なる複数の階層で送信するためのデジタル放送信号を受信する手段と、
前記複数の階層のそれぞれについて受信状態を判定し、出力可能な一の階層を選択する手段と、
選択された階層の映像信号及び/または音声信号を前記出力装置へ出力する手段と、を備え、
前記選択手段は、第1の階層が選択されているときに、前記コンテンツの内容に基づいて、前記第1の階層よりも高品質な第2の階層を選択し、階層を切り替える車載用のデジタル放送受信装置。 - 前記選択手段は、前記コンテンツがコマーシャル放送の開始または終了時、または、シーンチェンジがあったときに前記階層の切り替えを行うことを特徴とする請求項5記載の車載用のデジタル放送受信装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004089320A JP4335722B2 (ja) | 2004-03-25 | 2004-03-25 | 車載用のデジタル放送受信装置 |
DE102005012613A DE102005012613A1 (de) | 2004-03-25 | 2005-03-18 | Digitale Empfangsvorrichtung für Rundsendungen, die in einem Fahrzeug angeordnet ist |
CNB2005100565239A CN100380938C (zh) | 2004-03-25 | 2005-03-18 | 车用数字广播接收装置 |
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JP2004089320A JP4335722B2 (ja) | 2004-03-25 | 2004-03-25 | 車載用のデジタル放送受信装置 |
Publications (2)
Publication Number | Publication Date |
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JP2005277873A true JP2005277873A (ja) | 2005-10-06 |
JP4335722B2 JP4335722B2 (ja) | 2009-09-30 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004089320A Expired - Fee Related JP4335722B2 (ja) | 2004-03-25 | 2004-03-25 | 車載用のデジタル放送受信装置 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4335722B2 (ja) |
CN (1) | CN100380938C (ja) |
DE (1) | DE102005012613A1 (ja) |
Cited By (26)
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JP2006310948A (ja) * | 2005-04-26 | 2006-11-09 | Maspro Denkoh Corp | テレビ受信システム,及び,受信端末装置 |
JP2007129632A (ja) * | 2005-11-07 | 2007-05-24 | Fuji Heavy Ind Ltd | 電波受信装置 |
JP2007251604A (ja) * | 2006-03-16 | 2007-09-27 | Matsushita Electric Ind Co Ltd | デジタル放送受信装置 |
WO2007125777A1 (ja) * | 2006-04-26 | 2007-11-08 | Mitsubishi Electric Corporation | デジタル放送受信装置及びその受信方法 |
JP2007311987A (ja) * | 2006-05-17 | 2007-11-29 | Pioneer Electronic Corp | 受信装置及び受信方法等 |
JP2007325061A (ja) * | 2006-06-02 | 2007-12-13 | Pioneer Electronic Corp | 情報処理装置、情報処理システム、情報処理方法、情報処理プログラム、および情報処理プログラムを記録した記録媒体 |
JP2007329848A (ja) * | 2006-06-09 | 2007-12-20 | Mitsubishi Electric Corp | デジタル放送受信装置 |
JP2008011255A (ja) * | 2006-06-29 | 2008-01-17 | Sanyo Electric Co Ltd | 地上ディジタル放送受信装置 |
JP2008011254A (ja) * | 2006-06-29 | 2008-01-17 | Sanyo Electric Co Ltd | 地上ディジタル放送受信装置 |
WO2008081513A1 (ja) * | 2006-12-27 | 2008-07-10 | Fujitsu Limited | 制御装置、情報機器、制御方法、およびプログラム |
JP2008160424A (ja) * | 2006-12-22 | 2008-07-10 | Toshiba Corp | 受信装置、および受信装置の制御方法 |
WO2008081512A1 (ja) * | 2006-12-27 | 2008-07-10 | Fujitsu Limited | 制御装置、情報機器、制御方法、およびプログラム |
WO2008084715A1 (ja) | 2007-01-10 | 2008-07-17 | Panasonic Corporation | デジタル放送受信回路、これを備えたデジタル放送受信装置とその制御方法 |
JP2008172577A (ja) * | 2007-01-12 | 2008-07-24 | Honda Motor Co Ltd | デジタル放送受信装置 |
JP2008182521A (ja) * | 2007-01-25 | 2008-08-07 | Matsushita Electric Ind Co Ltd | デジタル放送受信機 |
JP2009005048A (ja) * | 2007-06-21 | 2009-01-08 | Mitsubishi Electric Corp | デジタル放送受信装置 |
JP2009017091A (ja) * | 2007-07-03 | 2009-01-22 | Sanyo Electric Co Ltd | 放送受信方法、放送受信システム、パーソナルコンピュータ、放送受信装置 |
US7580612B2 (en) | 2004-10-15 | 2009-08-25 | Hitachi, Ltd. | Digital broadcast sending apparatus, receiving apparatus and digital broadcast system |
JP2009225233A (ja) * | 2008-03-18 | 2009-10-01 | Casio Hitachi Mobile Communications Co Ltd | 端末装置及びプログラム |
JP2010154301A (ja) * | 2008-12-25 | 2010-07-08 | Pioneer Electronic Corp | 放送信号受信装置、放送信号受信方法、及び放送信号受信プログラム |
JP2010206431A (ja) * | 2009-03-03 | 2010-09-16 | Casio Hitachi Mobile Communications Co Ltd | デジタル放送受信装置、及び、プログラム |
JP2010278554A (ja) * | 2009-05-26 | 2010-12-09 | Toshiba Corp | 情報処理装置 |
JP2011101119A (ja) * | 2009-11-04 | 2011-05-19 | Nec Casio Mobile Communications Ltd | 放送受信装置、切替え方法及びプログラム |
US8194795B2 (en) | 2006-05-18 | 2012-06-05 | Panasonic Corporation | Digital broadcast reception device |
JP2014003453A (ja) * | 2012-06-18 | 2014-01-09 | Nexco-East Engineering Co Ltd | 電界強度測定装置 |
JP2015211378A (ja) * | 2014-04-28 | 2015-11-24 | 株式会社ソシオネクスト | デジタル放送受信機およびデジタル放送受信方法 |
Families Citing this family (1)
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JP2011082837A (ja) * | 2009-10-07 | 2011-04-21 | Sony Corp | 送信装置および送信方法 |
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JPH08330908A (ja) * | 1995-05-29 | 1996-12-13 | Sanyo Electric Co Ltd | 移動体fm受信機用選局処理装置 |
JP3490619B2 (ja) * | 1998-11-24 | 2004-01-26 | 株式会社東芝 | デジタル放送受信装置 |
JP2001285734A (ja) * | 2000-03-29 | 2001-10-12 | Toshiba Corp | 放送受信装置 |
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2005
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- 2005-03-18 CN CNB2005100565239A patent/CN100380938C/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
CN1674650A (zh) | 2005-09-28 |
JP4335722B2 (ja) | 2009-09-30 |
CN100380938C (zh) | 2008-04-09 |
DE102005012613A1 (de) | 2005-11-17 |
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