JP4582070B2 - 受信装置および受信方法 - Google Patents
受信装置および受信方法 Download PDFInfo
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- JP4582070B2 JP4582070B2 JP2006223083A JP2006223083A JP4582070B2 JP 4582070 B2 JP4582070 B2 JP 4582070B2 JP 2006223083 A JP2006223083 A JP 2006223083A JP 2006223083 A JP2006223083 A JP 2006223083A JP 4582070 B2 JP4582070 B2 JP 4582070B2
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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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
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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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4332—Content storage operation, e.g. storage operation in response to a pause request, caching operations by placing content in organized collections, e.g. local EPG data repository
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
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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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4348—Demultiplexing of additional data and video streams
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
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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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
- H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency
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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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
- H04N21/440272—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA for performing aspect ratio conversion
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8543—Content authoring using a description language, e.g. Multimedia and Hypermedia information coding Expert Group [MHEG], eXtensible Markup Language [XML]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
Description
12 デジタルチューナ部
13 デスクランブラ
14 DeMUX部
15 デコーダ
16 CPU
19 操作部
20 記憶部
21 映像処理部
22 音声処理部
25 表示部
26 音声出力部
Claims (4)
- デジタルテレビジョン放送の電波から所定の周波数の変調信号を選局し、該変調信号を復調してトランスポートストリームを出力するデジタルチューナ部と、
上記トランスポートストリームをビデオストリームおよび付加データに分離する分離部と、
上記ビデオストリームを復号し、映像信号を出力するデコーダと、
上記映像信号に対して、設定された解像度およびアスペクト比に基づいて画像処理を施す映像処理部と、
上記付加データから、放送される番組に対応する映像信号の解像度およびアスペクト比を含む映像信号種別に関する情報を含む番組情報を取得し、該番組情報に基づき番組情報データベースを生成する制御部と、
上記番組情報データベースを記憶する記憶部と
を有し、
上記制御部は、
上記デジタルチューナ部および上記分離部による処理と並行して、上記番組情報データベースを参照して取得した映像信号種別に基づき上記映像信号に対する解像度およびアスペクト比の設定を上記映像処理部に対して行うように制御する受信装置。 - 上記制御部は、
番組の選局操作に基づき上記番組情報データベースを参照して、上記選局された番組に対応する番組情報が存在するかどうかを検索し、
検索の結果、上記選局された番組に対応する番組情報が存在する場合には、上記デジタルチューナ部および上記分離部による処理と並行して、上記番組情報データベースを参照して取得した映像信号種別に基づく解像度およびアスペクト比の設定を行い、
上記選局された番組に対応する番組情報が存在しない場合には、上記番組情報データベースを参照して取得した映像信号種別に基づく解像度およびアスペクト比の設定を、上記デジタルチューナ部および上記分離部による処理と並行して行わないようにした請求項1に記載の受信装置。 - 上記分離部による処理によって得られた上記ビデオストリームのヘッダに格納された該ビデオストリームの映像信号種別と、上記番組情報データベースに記載された上記ビデオストリームに対応する番組情報の映像信号種別とが比較され、比較の結果、それぞれの映像信号種別が互いに異なる場合には、上記映像処理部は、上記ビデオストリームのヘッダに格納されている映像信号種別に基づき解像度およびアスペクト比を設定し、上記映像処理部による画像処理を行い、
それぞれの映像信号種別が同一である場合には、上記設定された解像度およびアスペクト比で上記映像処理部による画像処理を行うようにした請求項1に記載の受信装置。 - デジタルテレビジョン放送の電波から所定の周波数の変調信号を選局し、該変調信号を復調してトランスポートストリームを出力するチューニングステップと、
上記トランスポートストリームをビデオストリームおよび付加データに分離する分離ステップと、
上記ビデオストリームを復号し、映像信号を出力するデコードステップと、
上記映像信号に対して、設定された解像度およびアスペクト比に基づいて画像処理を施す映像処理ステップと、
上記付加データから、放送される番組に対応する映像信号の解像度およびアスペクト比を含む映像信号種別に関する情報を含む番組情報を取得し、該番組情報に基づき番組情報データベースを生成する制御ステップと、
上記番組情報データベースを記憶する記憶ステップと
を有し、
上記制御ステップは、
上記チューニングステップおよび上記分離ステップによる処理と並行して、上記番組情報データベースを参照して取得した映像信号種別に基づき、上記映像処理ステップにおいて用いられる上記映像信号に対する解像度およびアスペクト比の設定を行うように制御する受信方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2006223083A JP4582070B2 (ja) | 2006-08-18 | 2006-08-18 | 受信装置および受信方法 |
CN2007101425102A CN101127844B (zh) | 2006-08-18 | 2007-08-15 | 接收设备和接收方法 |
US11/893,917 US8345741B2 (en) | 2006-08-18 | 2007-08-16 | Receiving apparatus and receiving method for reducing a waiting period upon switching a program |
EP20070253226 EP1928181B1 (en) | 2006-08-18 | 2007-08-16 | Receiving apparatus and method |
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JP2006223083A JP4582070B2 (ja) | 2006-08-18 | 2006-08-18 | 受信装置および受信方法 |
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JP2008048250A JP2008048250A (ja) | 2008-02-28 |
JP4582070B2 true JP4582070B2 (ja) | 2010-11-17 |
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EP (1) | EP1928181B1 (ja) |
JP (1) | JP4582070B2 (ja) |
CN (1) | CN101127844B (ja) |
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JP2011066871A (ja) * | 2009-08-21 | 2011-03-31 | Sony Corp | コンテンツ伝送方法及び表示装置 |
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JP5135394B2 (ja) * | 2010-07-28 | 2013-02-06 | 株式会社東芝 | 映像表示装置および映像表示方法 |
CN102098570B (zh) * | 2011-02-23 | 2013-05-08 | 深圳创维数字技术股份有限公司 | 一种数字电视信息播放方法及系统 |
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TWI499301B (zh) * | 2013-10-08 | 2015-09-01 | Wistron Corp | 數位電視節目的錄影控制方法 |
JP6700658B2 (ja) * | 2014-11-28 | 2020-05-27 | シャープ株式会社 | 受信装置、受信方法、及びプログラム |
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2006
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2007
- 2007-08-15 CN CN2007101425102A patent/CN101127844B/zh active Active
- 2007-08-16 EP EP20070253226 patent/EP1928181B1/en active Active
- 2007-08-16 US US11/893,917 patent/US8345741B2/en active Active
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JP2005260401A (ja) * | 2004-03-10 | 2005-09-22 | Mitsubishi Electric Corp | デジタル放送受信装置 |
JP2006148969A (ja) * | 2006-01-23 | 2006-06-08 | Hitachi Ltd | 映像信号のミュート方法 |
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EP1928181B1 (en) | 2011-10-19 |
CN101127844A (zh) | 2008-02-20 |
CN101127844B (zh) | 2010-10-06 |
US20080043155A1 (en) | 2008-02-21 |
US8345741B2 (en) | 2013-01-01 |
JP2008048250A (ja) | 2008-02-28 |
EP1928181A1 (en) | 2008-06-04 |
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