CN100473123C - Data receiving device of digital broadcast and operation method thereof - Google Patents
Data receiving device of digital broadcast and operation method thereof Download PDFInfo
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- CN100473123C CN100473123C CNB2003101237798A CN200310123779A CN100473123C CN 100473123 C CN100473123 C CN 100473123C CN B2003101237798 A CNB2003101237798 A CN B2003101237798A CN 200310123779 A CN200310123779 A CN 200310123779A CN 100473123 C CN100473123 C CN 100473123C
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- digital broadcasting
- broadcasting
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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
- H04N21/238—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
- H04N21/2381—Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
A data receiving apparatus for a digital broadcasting and a managing method thereof are provided to store and output only information selected by a user among various information and contents of a digital data broadcasting, and to promptly display information having priority. A tuner member converts only the selected digital broadcasting signal among high frequency signals received by an antenna into a baseband signal and then outputs the baseband signal. A digital broadcasting demodulating member separates the output of the tuner member into audio, video and data information, respectively and demodulates the information. A decoding member converts the demodulated audio, video and data information into audio, video and data information formats. Audio and video generators receive audio and video information of the demodulating member and output the information to a speaker and a monitor. A data selector selects only specific data information among data information of the demodulating member according to the input of a user's input member and outputs the information to the video generator. A data broadcasting storage member stores only the selected specific data information.
Description
Technical field
The present invention relates to a kind of data sink and method of operation thereof of digital broadcasting, particularly in having the receiver of limited memory space, the information that can only select the user in numerical data broadcasting is stored and is exported, and can retrieve and export the data of having stored.
Background technology
At present, along with the development of broadcast technology, the digital broadcasting technology begins to show up prominently.Digital broadcasting is to receive the data broadcasting information that is loaded with in TV (TV) vision signal, for example, in analog broadcasting, be to receive additional informations such as the viewdata that is loaded with in vertical blanking interval (VBI) row, captions etc., in digital broadcasting, be the information that receives the bit stream form that is contained in certain zone, show to the user.
In addition, have communicator (phone, modulator-demodulator etc.) in the data broadcast receiving apparatus, after being connected to the data server in broadcasting station, not only can require required information, can also obtain services such as online shopping.
Generally speaking, digital broacast receiver is stored it after receiving data broadcasting, and wherein focuses on carrying out data base system, so that can the administering digital broadcasted content, makes it to be easy to retrieval.
That is, suppose all data broadcast contents that storage receives, process is as follows so.
Have the storage device that to store all data broadcast contents that receive, the huge data message of storage under this state.In storing process, carry out the data base system operation by content, so that finally can retrieve required information easily.So, during the user search customizing messages, can use above-mentioned database, so can obtain required data at short notice.
But there is a problem in the data sink of digital broadcasting in the past,, owing to be to set out, needs a large amount of memory spaces under the assumed conditions of all data broadcast contents that storage receives that is.
Particularly for the digital broacast receiver of limited storage space, be undoubtedly very big burden.
For example, suppose the radio channel data that has per second transmission 100Kbit information, wherein own required data broadcasting information is per second 2Kbit, needs to preserve about 1 hour information.Under the situation of preserving total data broadcasting, need the memory space of 360Mbit approximately; On the contrary, when only preserving the information that self needs, only need the memory space of about 7.2Mbit.
In addition, be the situation of 60Mbit at the required memory space of tentation data broadcasting, if the broadcasting of storage total data then can only be stored about 10 minutes amount, if but only store the information that self needs, then can store about 8 hours amount.
In addition, the user wishes to receive, information of interest may be the part in the data broadcast content of actual reception, so, there are problems in storage total data broadcasted content, promptly cause data too huge, be not easy to retrieve actual required information, simultaneously owing to also together having stored the unwanted information of user, so cause the waste of memory space.
Summary of the invention
The present invention develops for addressing the above problem just, purpose is to provide a kind of data sink and method of operation thereof of digital broadcasting, multiple information and content for the unidirectional numerical data broadcasting that provides, only the required information of user is stored, to be fit to have the receiving system of limited memory space.Simultaneously, the information about priority for the user is provided with can directly show it on screen, and specific data message externally uses in the equipment.
Summary of the invention
For achieving the above object, feature of the present invention is to be made of following several sections: tuning portion, and it only converts the digital broadcast signal of selected channel to base band and output in the high-frequency signal that receives by antenna; Digital broadcast demodulation portion, it receives the output of above-mentioned tuning portion, separates respectively and is demodulated to voice, image and data message; Lsb decoder, it converts the voice of above-mentioned demodulation and image and data message to voice and image and data message form; Voice and image generator, they receive the voice and the image information of above-mentioned lsb decoder, export to loud speaker and display; User's input part, information area and the direct keyword selected in the data in order to input reception when data broadcasting receives; Data selector, it is only selected customizing messages and exports to above-mentioned image generator according to the input of above-mentioned user's input part in the data message of above-mentioned lsb decoder; The data broadcasting storage part, it only stores the specific data information of above-mentioned selection.
For achieving the above object, feature of the present invention is to be made of following several steps: the 1st step, after decoding by the digital broadcast data of antenna reception, judge whether it is the data of the selection information that is provided with of user, only select the data of the selection information of above-mentioned setting, edit, upgrade by content, database is made in digital broadcasting; The 2nd step is in the process of above-mentioned digital broadcasting being made database and storage, if input digit broadcasting display requirement signal then shows by display.
Description of drawings
Fig. 1 is the topology example figure of the data sink of digital broadcasting of the present invention.
Fig. 2 is the flow chart of the data sink of digital broadcasting of the present invention.
Fig. 3 is the system of selection exemplary plot of the data of data sink storage that will be by digital broadcasting of the present invention.
Fig. 4 is the exemplary plot of retrieving by the data sink of digital broadcasting of the present invention.
Embodiment
With reference to the accompanying drawings, describe one embodiment of the present of invention in detail.
Fig. 1 is the topology example figure of the data sink of digital broadcasting of the present invention.As shown in the figure, it is made of following several sections: tuning (102), and it only converts the digital broadcast signal of selected channel to base band and output in the high-frequency signal that receives by antenna (101); Digital broadcast demodulation portion (103), it receives the output of above-mentioned tuning (102), separates respectively and is demodulated to voice, image and data message; Lsb decoder (100), it converts the voice of above-mentioned demodulation and image and data message to voice and image and data message form; Voice and image generator (111,121), they receive the voice and the image information of above-mentioned lsb decoder, export to loud speaker (112) and display (122); User's input part (132) is in order to information area and direct keyword selected in the data of input reception when data broadcasting receives; Data selector (131), it is only selected customizing messages and exports to above-mentioned image generator (121) according to the input of above-mentioned user's input part (132) in the data message of above-mentioned lsb decoder (100); Data broadcasting storage part (133), it only stores the specific data information of above-mentioned selection.
Fig. 2 is the flow chart of the data sink of digital broadcasting of the present invention.As shown in the figure, it is made of following two steps: the 1st step, after decoding by the digital broadcast data of antenna reception, judge whether it is the data of the selection information that is provided with of user, only select the data of the selection information of above-mentioned setting, edit, upgrade by content, database is made in digital broadcasting; The 2nd step is in the process of above-mentioned digital broadcasting being made database and storage, if input digit broadcasting display requirement signal then shows by display.Below the action and effect of the present invention that as above constitute are described.
At first, tuning (102) only convert the digital broadcast signal of selected channel to base band, and pass to digital broadcast demodulation portion (103) in the high-frequency signal that receives by antenna (101).
Above-mentioned digital broadcast demodulation portion (103) carries out demodulation to digital broadcasting, is separated into voice signal data part, signal of video signal data division, data message part and output respectively.
Wherein, the voice signal data part is exported to loud speaker (112) through speech synthesizer (111) after voice signal lsb decoder (110) converts the voice signal form to.
The signal of video signal data division outputs to display (122) through image generator (121) after signal of video signal lsb decoder (120) converts video signal format to; The data message part is after data message lsb decoder (130) converts data format to, and data are delivered to data retrieval portion (131a).
Above-mentioned data retrieval portion (131a) only stores the information of being selected by the user in the data of transmitting and shows, and require above-mentioned user's retrieval signal to insert data selection portions (131b), so that can in data broadcasting storage part (133) data information stored, obtain to meet the information of user search requirement.Above-mentioned data selection portion (131b) only reads data and the output that meets the user search requirement according to this signal from data broadcasting storage part (133).
For this reason, user's input part (132) can be issued an order, when data broadcasting receives, only information area of selecting in the data that receive and the keyword of directly importing are preserved, make it to be stored in data broadcasting storage part (133), particularly can also select to require the information that on screen, shows immediately.
Fig. 3 is the system of selection exemplary plot of the data of data sink storage that will be by digital broadcasting of the present invention.As shown in the figure, whether whether the user select whether selective reception and directly show on picture and export to the outside in the picture (301) according to data message zone classification.And whether the user selects to show on picture immediately after the information content that directly whether input will receive and export to the outside in the picture of keyword zone (302).
In addition, above-mentioned user's input part (132) can be issued an order, when retrieving, data broadcasting is stored in the required information of retrieval user in the data of data broadcasting storage part (133), so that information is outputed to display (122), or, use for other external equipment by external interface (134) output.
Promptly, when the data of storage being retrieved by user's input part (132), as shown in Figure 4, select zone (403) data retrieved in data selection portion (131b) to be shown on the display (122) by acquisition data message (401), keyword zone (402), output, or export by external equipment.
Wherein, in above-mentioned acquisition data message (401), the information area that can require an explicit user to select is only retrieved the zone that user wherein need obtain.
Different with it, in above-mentioned keyword zone (402), can require the total data of having stored is retrieved.
In addition, select zone (403) in above-mentioned output, can select is to show still to show the data that obtain by data retrieval by external equipment on screen.
Such as the above-mentioned detailed description of doing, first kind of effect of the present invention is: the invention provides A kind of scheme that can reduce memory space, it is suitable for the portable digital of limited storage space Broadcast receiver is only stored the required information of user, has reduced memory space. With The time, for self required information, can store more data, can have efficiently and obtain Get required information.
Second effect of the present invention is: the customizing messages of the priority that arranges for the user, Can directly show at screen, can confirm immediately the information that the user is required.
The third effect of the present invention is: not only can select according to specific data area Receive, can also carry out outside output, thereby other external equipment also can be believed by usage data Breath.
Claims (8)
1. the data sink of a digital broadcasting is characterized in that being made of following several sections:
Tuning portion, it only converts the digital broadcast signal of selected channel to base band and output in the high-frequency signal that receives by antenna;
Digital broadcast demodulation portion, it receives the output of above-mentioned tuning portion, separates respectively and is demodulated to voice, image and data message;
Lsb decoder, it converts the voice of above-mentioned demodulation and image and data message to voice and image and data message form;
Voice and image generator, they receive the voice and the image information of above-mentioned lsb decoder, export to loud speaker and display;
User's input part, information area and the direct keyword selected in the data in order to input reception when data broadcasting receives;
Data selector, it is only selected customizing messages and exports to above-mentioned image generator according to the input of above-mentioned user's input part in the data message of above-mentioned lsb decoder;
The data broadcasting storage part, it only stores the specific data information of above-mentioned selection.
2. the data sink of digital broadcasting according to claim 1 is characterized in that above-mentioned data selector is made of following two parts:
Data retrieval portion, its is information of selecting according to the input of user's input part of output only, or according to user's retrieval requirement, and the data message of exporting in the storing data information requires signal;
The data selection portion, it makes database with the dateout information of above-mentioned data retrieval portion by content, edits, upgrades and export.
3. the data sink of digital broadcasting according to claim 1 is characterized in that:
Above-mentioned data selector directly outputs to display to the data message that is receiving by customer requirements.
4. the data sink of digital broadcasting according to claim 2 is characterized in that:
Above-mentioned data broadcasting storage part to data message zone and keyword zone by the content storage of classifying.
5. the data sink of digital broadcasting according to claim 1 is characterized in that:
Above-mentioned data selector outputs to data message the external equipment that is connected by connecting the external interface of external equipment.
6. the method for operation of the data sink of a digital broadcasting is characterized in that comprising following two steps:
The 1st step after the digital broadcast data that receives by antenna decoded, judges whether it is the data of the selection information that is provided with of user, only selects the data of the selection information of above-mentioned setting, edits, upgrades by content, and database is made in digital broadcasting;
The 2nd step is in the process of above-mentioned digital broadcasting being made database and storage, if input digit broadcasting display requirement signal then shows by display.
7. the method for operation of the data sink of digital broadcasting according to claim 6 is characterized in that:
Above-mentioned the 2nd step also comprises a step, that is, retrieve by content for data message zone and keyword zone, by the data of display data presented for retrieval acquisition from the digital broadcast data of having stored.
8. the method for operation of the data sink of digital broadcasting according to claim 6 is characterized in that above-mentioned the 2nd step also comprises two steps:
Step 1 judges whether external equipment connects;
Step 2 is if said external equipment connects, then by this external equipment output and demonstration digital broadcast data.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030035123A KR100575721B1 (en) | 2003-05-31 | 2003-05-31 | Apparatus for receiving data of digital broadcasting and operating method for operating there of |
| KR35123/2003 | 2003-05-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1574917A CN1574917A (en) | 2005-02-02 |
| CN100473123C true CN100473123C (en) | 2009-03-25 |
Family
ID=34510777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101237798A Expired - Fee Related CN100473123C (en) | 2003-05-31 | 2003-12-17 | Data receiving device of digital broadcast and operation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100575721B1 (en) |
| CN (1) | CN100473123C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100751639B1 (en) * | 2004-12-24 | 2007-08-22 | 엘지전자 주식회사 | Method of handling additional service selectively in Digital Multimedia Broadcasting |
| US20090251616A1 (en) * | 2005-04-28 | 2009-10-08 | Samsung Electronics Co., Ltd. | Apparatus and method for processing data in digital broadcasting receiver |
| KR100828889B1 (en) * | 2006-08-08 | 2008-05-09 | 엘지이노텍 주식회사 | Receiver |
| US7983354B2 (en) | 2005-11-25 | 2011-07-19 | Samsung Electronics Co., Ltd. | Digital broadcast transmitter/receiver having an improved receiving performance and signal processing method thereof |
| KR100785177B1 (en) * | 2006-05-08 | 2007-12-11 | 주식회사 대우일렉트로닉스 | Method for storing data by using outband in atsc and its system |
| KR100784060B1 (en) * | 2006-06-09 | 2007-12-10 | (주) 엘지텔레콤 | Method of filtering contents based on data channel parameter definition in dmb network |
| KR20080024623A (en) | 2006-09-14 | 2008-03-19 | 삼성전자주식회사 | Display apparatus and data display method thereof |
| KR100862612B1 (en) * | 2006-09-29 | 2008-10-09 | 한국전자통신연구원 | Method for selective authoring and decoding mobile multimedia broadcasting contents using scene representation language |
| KR101299454B1 (en) * | 2006-10-11 | 2013-08-22 | 삼성전자주식회사 | Display apparatus and information saving method thereof |
| KR101306704B1 (en) * | 2006-11-28 | 2013-09-10 | 엘지전자 주식회사 | Receiver and Method for processing a data broadcasting of the reciver thereof |
| KR100881375B1 (en) | 2007-08-08 | 2009-02-02 | 재단법인서울대학교산학협력재단 | Apparatus and method for receiving of digital broadcast |
| KR101566172B1 (en) * | 2014-02-17 | 2015-12-21 | (주)이담에스티 | Monitoring system for digital broadcast |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001326581A (en) * | 2000-05-18 | 2001-11-22 | Sharp Corp | Digital data broadcast reception method and system |
| JP2002344823A (en) * | 2001-05-14 | 2002-11-29 | Hitachi Ltd | Digital broadcast receiver |
| JP2003008235A (en) * | 2001-06-27 | 2003-01-10 | Ngk Spark Plug Co Ltd | Wiring board |
| CN1406435A (en) * | 2000-02-25 | 2003-03-26 | 汤姆森许可贸易公司 | Method for visual display of broadcast audio-visual programmes and associated visual display device |
-
2003
- 2003-05-31 KR KR1020030035123A patent/KR100575721B1/en not_active IP Right Cessation
- 2003-12-17 CN CNB2003101237798A patent/CN100473123C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1406435A (en) * | 2000-02-25 | 2003-03-26 | 汤姆森许可贸易公司 | Method for visual display of broadcast audio-visual programmes and associated visual display device |
| JP2001326581A (en) * | 2000-05-18 | 2001-11-22 | Sharp Corp | Digital data broadcast reception method and system |
| JP2002344823A (en) * | 2001-05-14 | 2002-11-29 | Hitachi Ltd | Digital broadcast receiver |
| JP2003008235A (en) * | 2001-06-27 | 2003-01-10 | Ngk Spark Plug Co Ltd | Wiring board |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040103194A (en) | 2004-12-08 |
| KR100575721B1 (en) | 2006-05-03 |
| CN1574917A (en) | 2005-02-02 |
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Owner name: LANGCHAO LEJIN DIGITAL MOBILE COMMUNICATION CO., L Free format text: FORMER OWNER: LG ELECTRONICS (CHINA) R + D CENTER CO., LTD. Effective date: 20120322 |
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Free format text: CORRECT: ADDRESS; FROM: 100102 CHAOYANG, BEIJING TO: 264001 YANTAI, SHANDONG PROVINCE |
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Effective date of registration: 20120322 Address after: 264001 No. 228 Changjiang Road, Yantai economic and Technological Development Zone, Shandong, China Patentee after: Langchao Lejin Digital Mobile Communication Co., Ltd. Address before: Two Beijing 100102 Chaoyang District city in Wangjing Lize Park No. 203 Petrova building block B Patentee before: LG Electronic (China) Research and Development Center Co., Ltd. |
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