JP5265860B2 - 受信装置 - Google Patents
受信装置 Download PDFInfo
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- JP5265860B2 JP5265860B2 JP2006240871A JP2006240871A JP5265860B2 JP 5265860 B2 JP5265860 B2 JP 5265860B2 JP 2006240871 A JP2006240871 A JP 2006240871A JP 2006240871 A JP2006240871 A JP 2006240871A JP 5265860 B2 JP5265860 B2 JP 5265860B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/169—Systems operating in the time domain of the television signal
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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
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/21815—Source of audio or video content, e.g. local disk arrays comprising local storage units
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/4227—Providing Remote input by a user located remotely from the client device, e.g. at work
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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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
- H04N21/43072—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of multiple content streams on the same device
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4314—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for fitting data in a restricted space on the screen, e.g. EPG data in a rectangular grid
-
- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
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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
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
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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
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6581—Reference data, e.g. a movie identifier for ordering a movie or a product identifier in a home shopping application
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
Description
通信用のLANインタフェース部と、
このLANインタフェース部によって受信された映像情報などをデコードする信号処理部と、
デコードされた映像情報を、同期信号が付加された映像信号に再構築し、コンポジット信号又はセパレート信号を生成する映像信号用エンコード部と、
上記映像信号用エンコード部より出力されたコンポジット信号又はセパレート信号が供給される出力端子とを有することを特徴とする。
この発明は、情報の送受信システムに適用できる。情報の送受信システムとは図1に示すように、情報の送信装置20と、その受信装置50とからなり、受信装置50で受信した情報は映像表示手段として機能する既存のテレビ受像機60によって表示される。送信装置20が自宅の1階に設置されているときは、テレビ受像機60や受信装置50は同じ階の別の部屋か、別の階に設置され、送信装置20から離れた状態で情報の送受信が行われる。
図2は上述した処理を実現するためのリモートコントローラ90の一例を示す。リモートコントローラ本体91には、テレビ受像機60自体の電源や音量などを制御するための操作ボタン系92と、受信装置50および受信装置50を介して送信装置20などを制御する操作ボタン系93があり、本体中央よりも下側にカーソルキー(矢印表示)や、決定ボタン95などが配されている。リモートコントロール信号は赤外線(IR)が利用される。
図3は情報送受信システム10の他の使用形態例を示す。この例は、滞在先や赴任先などの外出先での使用例である。
図5は受信装置50の実施の形態を示す。受信装置50はLANインタフェース部50Aと、LANインタフェース部50Aで受信した信号を元の信号に戻す信号処理部50Bと、その制御部50Cと、リモートコントロール信号の処理部50Dとで構成される。
このように構成された情報送受信システム10における処理例を以下に示す。
図6は受信装置50と送信装置20との間での初期設定処理例を示すフローチャートであって、受信装置50側で行われる処理である。
図6において、受信装置50の電源がオンされると、この初期設定プログラムが起動され、LAN回線(ネットワークエリア)に接続された全ての機器に対して、送信装置20を確認するためのブロードキャストパケット信号が送信される(ステップ201)。初期設定信号はパケット信号である。
図8は、付随情報の判別処理例を示すフローチャートである。
付随情報の有無を表す変数を、「FLAG」として表したとき、図8に示すフローチャートではまずこの変数FLAGをリセット(=0)する(ステップ210)。変数FLAGをリセット(FLAG=0)してから垂直同期信号VSyncを検知する(ステップ211)。
Claims (4)
- 通信用のLANインタフェース部と、
前記LANインタフェース部を介して受信された映像情報をデコードする信号処理部と、
デコードされた映像情報を、同期信号が付加された映像信号に再構築し、コンポジット信号又はセパレート信号を生成するエンコード部と、
前記LANインターフェース部を介して前記映像情報とは別パケットで前記映像情報の付随情報を受信した場合に、前記映像信号に対応するコンポジット信号又はセパレート信号に対して付随情報を合成する合成部と、
前記付随情報が合成されたコンポジット信号又はセパレート信号が供給される出力端子と、
を有し、
前記付随情報は、前記映像情報のコピーコントロールに用いるコピーガード信号であり、
前記合成部は、送信側で前記映像情報に施されていたものと同等のコピープロテクションを受信側において実現できるように、前記コンポジット信号又はセパレート信号に対して前記コピーガード信号を重畳する、
受信装置。 - 0068
前記付随情報は、当該付随情報の挿入期間の最初と最後において、或いは、間欠的に、前記LANインターフェース部を介して受信される
請求項1に記載の受信装置。 - 上記LANインタフェース部で受信される情報は、圧縮符号化され、パケット化されたものである
請求項1記載の受信装置。 - 上記LANインタフェース部は、IEEE802.3規格に準拠した有線LAN用インタフェース部またはIEEE802.11a/b/g規格に準拠した無線LAN用インタフェース部である
請求項1記載の受信装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006240871A JP5265860B2 (ja) | 2006-09-05 | 2006-09-05 | 受信装置 |
US11/844,715 US8392960B2 (en) | 2006-09-05 | 2007-08-24 | Receiving apparatus |
TW096131610A TW200829006A (en) | 2006-09-05 | 2007-08-27 | Receiver |
EP07115540A EP1898644A3 (en) | 2006-09-05 | 2007-09-03 | Receiving apparatus |
CN2007101497948A CN101141585B (zh) | 2006-09-05 | 2007-09-05 | 接收设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006240871A JP5265860B2 (ja) | 2006-09-05 | 2006-09-05 | 受信装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012169581A Division JP5494753B2 (ja) | 2012-07-31 | 2012-07-31 | 受信装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008066897A JP2008066897A (ja) | 2008-03-21 |
JP2008066897A5 JP2008066897A5 (ja) | 2009-10-08 |
JP5265860B2 true JP5265860B2 (ja) | 2013-08-14 |
Family
ID=38917835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006240871A Expired - Fee Related JP5265860B2 (ja) | 2006-09-05 | 2006-09-05 | 受信装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8392960B2 (ja) |
EP (1) | EP1898644A3 (ja) |
JP (1) | JP5265860B2 (ja) |
CN (1) | CN101141585B (ja) |
TW (1) | TW200829006A (ja) |
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CN104269174B (zh) * | 2014-10-24 | 2018-02-09 | 北京音之邦文化科技有限公司 | 一种音频信号的处理方法及装置 |
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2006
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EP1898644A3 (en) | 2008-09-03 |
TW200829006A (en) | 2008-07-01 |
CN101141585A (zh) | 2008-03-12 |
EP1898644A2 (en) | 2008-03-12 |
US8392960B2 (en) | 2013-03-05 |
CN101141585B (zh) | 2010-04-21 |
JP2008066897A (ja) | 2008-03-21 |
US20080056662A1 (en) | 2008-03-06 |
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