JP4450022B2 - デジタル放送受信装置 - Google Patents
デジタル放送受信装置 Download PDFInfo
- Publication number
- JP4450022B2 JP4450022B2 JP2007178740A JP2007178740A JP4450022B2 JP 4450022 B2 JP4450022 B2 JP 4450022B2 JP 2007178740 A JP2007178740 A JP 2007178740A JP 2007178740 A JP2007178740 A JP 2007178740A JP 4450022 B2 JP4450022 B2 JP 4450022B2
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- JP
- Japan
- Prior art keywords
- channel
- map
- virtual
- broadcast
- digital broadcast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000006870 function Effects 0.000 description 12
- 230000005236 sound signal Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
-
- 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 encoded video stream 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
-
- 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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex 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
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
-
- 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 encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- 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
- H04N21/482—End-user interface for program selection
- H04N21/4828—End-user interface for program selection for searching program descriptors
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Circuits Of Receivers In General (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Description
11 操作部
11a チャンネルアップ/ダウンキー
18 EEPROM(記憶部)
21 スピーカ
24 表示部
25 MPU(制御部)
25a 比較部
25b 登録制御部
40、50、60 チャンネルマップ
Claims (5)
- 選局操作が行われる操作部と、
仮想チャンネルと物理チャンネルとを対応させたチャンネルマップを記憶する記憶部と、
受信中の物理チャンネルに多重化されている仮想チャンネル情報を取得する制御部とを備えたデジタル放送受信装置において、
前記操作部が選局操作されると、
前記制御部は、受信した物理チャンネルの仮想チャンネル情報と前記チャンネルマップとを比較し、前記チャンネルマップに未登録の仮想チャンネルがあれば、該仮想チャンネルを前記チャンネルマップに追加登録し、前記チャンネルマップには登録されているが受信した仮想チャンネル情報には含まれていない仮想チャンネルがあっても前記チャンネルマップから該仮想チャンネルを削除しないように制御することを特徴とするデジタル放送受信装置。 - 前記制御部は、受信した物理チャンネルの仮想チャンネル情報と前記チャンネルマップとを比較する比較部と、前記チャンネルマップに未登録の仮想チャンネルがあれば、該仮想チャンネルを前記チャンネルマップに追加登録し、前記チャンネルマップには登録されているが受信した仮想チャンネル情報には含まれていない仮想チャンネルがあっても前記チャンネルマップから該仮想チャンネルを削除しないように制御する登録制御部とを備えたことを特徴とする請求項1記載のデジタル放送受信装置。
- 前記操作部は選局操作に用いられるチャンネルアップ/ダウンキーを有し、該チャンネルアップ/ダウンキーの指示は前記チャンネルマップに基づいていることを特徴とする請求項1又は2記載のデジタル放送受信装置。
- 前記仮想チャンネル情報は、ATSC(Advanced Television System Committee)放送のVCT(Virtual Channel Table)に含まれていることを特徴とする請求項1〜3の何れかに記載のデジタル放送受信装置。
- 前記制御部はMPUであり、前記記憶部はEEPROMであり、受信した映像を出力する表示部と、受信した音声を出力するスピーカとを備えたことを特徴とする請求項1〜4の何れかに記載のデジタル放送受信装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007178740A JP4450022B2 (ja) | 2007-07-06 | 2007-07-06 | デジタル放送受信装置 |
US12/216,443 US20090013371A1 (en) | 2007-07-06 | 2008-07-03 | Digital broadcasting receiving apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007178740A JP4450022B2 (ja) | 2007-07-06 | 2007-07-06 | デジタル放送受信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009017389A JP2009017389A (ja) | 2009-01-22 |
JP4450022B2 true JP4450022B2 (ja) | 2010-04-14 |
Family
ID=40222437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007178740A Expired - Fee Related JP4450022B2 (ja) | 2007-07-06 | 2007-07-06 | デジタル放送受信装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20090013371A1 (ja) |
JP (1) | JP4450022B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8442524B2 (en) * | 2006-07-19 | 2013-05-14 | Sony Corporation | Methods, systems, and devices for identifying and providing access to broadcast media content using a mobile terminal |
KR101507795B1 (ko) * | 2008-05-09 | 2015-04-03 | 엘지전자 주식회사 | 이동 단말기 및 이것의 채널 표시 방법 |
KR20110011000A (ko) * | 2009-07-27 | 2011-02-08 | 삼성전자주식회사 | 3차원 영상 재생을 위한 부가 정보가 삽입된 3차원 영상 데이터스트림 생성 방법 및 그 장치, 3차원 영상 재생을 위한 부가 정보가 삽입된 3차원 영상 데이터스트림 수신 방법 및 그 장치 |
ITBS20090204A1 (it) * | 2009-11-12 | 2011-05-13 | Emme Esse Spa | Metodo per ottimizzare la formazione di una lista di servizi radiotelevisivi |
WO2022121380A1 (zh) * | 2020-12-07 | 2022-06-16 | 海信视像科技股份有限公司 | 一种显示设备切换频道的方法及显示设备 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4631180B2 (ja) * | 2001-02-15 | 2011-02-16 | 船井電機株式会社 | 受信装置 |
JP3650993B2 (ja) * | 2001-05-15 | 2005-05-25 | 船井電機株式会社 | デジタル放送信号受信装置 |
JP4812237B2 (ja) * | 2003-04-16 | 2011-11-09 | 株式会社日立製作所 | 受信装置およびチャンネル設定方法 |
JP2004364216A (ja) * | 2003-06-09 | 2004-12-24 | Funai Electric Co Ltd | デジタル/アナログ放送受像機 |
-
2007
- 2007-07-06 JP JP2007178740A patent/JP4450022B2/ja not_active Expired - Fee Related
-
2008
- 2008-07-03 US US12/216,443 patent/US20090013371A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20090013371A1 (en) | 2009-01-08 |
JP2009017389A (ja) | 2009-01-22 |
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