KR100669619B1 - Method for saving Electronic Program Guide data of TV - Google Patents
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- KR100669619B1 KR100669619B1 KR1020000003573A KR20000003573A KR100669619B1 KR 100669619 B1 KR100669619 B1 KR 100669619B1 KR 1020000003573 A KR1020000003573 A KR 1020000003573A KR 20000003573 A KR20000003573 A KR 20000003573A KR 100669619 B1 KR100669619 B1 KR 100669619B1
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- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
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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
- H04N21/4334—Recording operations
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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
- H04N21/4345—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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
- H04N21/4355—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen
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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 encoded video stream 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
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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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Abstract
본 발명은 다수의 소스와 이에 대응하여 수신가능한 각각의 튜너를 포함하는 티브이의 부가정보 저장방법으로서, 적어도 두개 이상의 비디오 소스에서 입력되는 부가정보 데이타를 수신하도록 튜닝하는 단계, 상기 튜닝단계에서 현재 시청하고 있지 않은 비디오 소스를 판별하고, 상기 판별된 비디오 소스에서 부가정보를 추출하는 단계, 상기 추출된 부가정보를 기 결정된 포맷에 의해 일정형식으로 변환하여 저장하는 단계, 상기 단계를 수행하면서 해당 비디오 소스로부터 변환 저장된 부가정보를 추출하도록 계속 튜닝하여 부가정보를 변환 저장하는 단계를 포함하는 것을 특징으로 하는 티브이의 부가정보 저장 방법으로 이루어져 있으며 이는 별도의 부가정보데이터 수신용 튜너가 필요 없음으로서 제품가격상승을 방지하는 효과가 있다.The present invention provides a method for storing additional information of a TV including a plurality of sources and corresponding tuners receivable correspondingly, the method comprising: tuning to receive additional information data input from at least two video sources; Determining a video source that is not being used, extracting additional information from the determined video source, converting the extracted additional information into a predetermined format according to a predetermined format, and storing the extracted additional information; The additional information storage method of the TV comprising the step of continuing to tune to extract the stored stored additional information from the additional information consisting of the additional information storage method, which does not require a separate additional information data receiving tuner increases the product price It is effective to prevent.
부가정보데이터,통합EPG,프로그램가이드Additional Information Data, Integrated EPG, Program Guide
Description
도 1은 본 발명의 블록도로서 멀티 소스와 관련된 전체 블록도1 is a block diagram of the present invention as a whole block diagram associated with the multi-source
도 2는 본 발명의 플로우 챠트로서 소스전환에 따른 통합EPG구축 흐름도2 is a flow chart of the integrated EPG according to source switching as a flowchart of the present invention.
도 3은 본 발명의 다른 실시예의 플로우 챠트로서 선호채널에 따른 통합EPG구축 흐름도
도 4는 본 발명에 따른 통합 EPG 데이터 베이스의 구성예를 나타낸 도면
3 is an integrated EPG implementation flowchart according to a preferred channel as a flowchart of another embodiment of the present invention.
4 shows a configuration example of an integrated EPG database according to the present invention;
본 발명은 디지털 티브에(Digital TV)에관한 것으로, 특히 다수의 비디오 소스에서 입력되는 각각의 전자프로그램 가이드(이하 EPG)를 통합하여 저장하는 장치에 관한 것이다.The present invention relates to digital TV, and more particularly, to an apparatus for integrating and storing respective electronic program guides (EPGs) input from a plurality of video sources.
디지털 TV 시험 방송을 시작함에 따라 다수의 비디오 소스 ( ATSC, NTSC, DBS, As we start trials of digital TV, a number of video sources (ATSC, NTSC, DBS,
Cable 등 )를 입력으로 하는 TV에서는 이런 다양한 비디오 소스의 EPG 데이터를 종합하여 시청자에게 통합된 EPG 화면을 보여 주는 것이 요구되고 있다. In the case of TVs using a cable, etc., it is required to display the integrated EPG screen to viewers by synthesizing the EPG data of these various video sources.
종래에는 이러한 EPG 데이터 베이스를 구축하기 위해서 별도의 튜너( Tuner )를 부착하여 EPG 전용으로 사용하고, TV를 시청하지 않는 특정 시간대에 TV 시스템의 일부가 동작하여 EPG 데이터 베이스를 구축하고 있다. 그러나, 이러한 종래의 방법은 별도의 튜너가 추가로 필요한 단점이 있어, 입력되는 비디오 소스가 증가함에 따라 그 부담도 커지게 된다. 또한, TV의 주전원이 꺼진 상태에서 방송을 수신하는 경우에는 여러가지 하드웨어 규격 대응에도 어려운 점이 있게 된다. Conventionally, in order to build such an EPG database, a separate tuner is used for the EPG, and a part of the TV system operates at a specific time period without watching TV to build an EPG database. However, this conventional method has a disadvantage in that a separate tuner is additionally required, and as the input video source increases, the burden increases. In addition, when receiving a broadcast while the main power supply of the TV is turned off, there are difficulties in supporting various hardware standards.
위성 방송의 경우 DirecTV에서는 지상파 방송 EPG까지 함께 지원하는 APG(Advanced Program Guide)를 계획하고 있으나, 이러한 서비스는 위성 방송 수신자에게만 국한되게 된다. 또한, 미국의 디지털 방송규격 단체인 ATSC인 경우에는 PSIP(Program system information Protocol;이하 PSIP라 명 함)정보로부터 EPG 데이터를 뽑아 내야하는데, 각 방송국이 자기 채널에 대한 PSIP 정보만을 송출할 경우, TV 수신기는 해당 채널에 대한 EPG 데이터 외에는 다른 방송국 채널에 대한 EPG 데이터를 얻을 수가 없다. In the case of satellite broadcasting, DirecTV plans an Advanced Program Guide (APG) to support terrestrial broadcasting EPG, but these services will be limited to satellite broadcasting receivers. In addition, in the case of ATSC, a digital broadcasting standard organization in the United States, EPG data must be extracted from PSIP (Program System Information Protocol) information. When each broadcasting station transmits only PSIP information about its own channel, The receiver cannot obtain EPG data for another broadcasting station channel except the EPG data for the corresponding channel.
본발명은 상기의 문제점을 해결하기 위한것으로 별도의 EPG데이타 수신용 튜너없이 다양한 소스에서 입력되는 EPG데이타를 수신할 수 있는 디지털 티브이를 제공하는 데 있다.The present invention to solve the above problems is to provide a digital TV that can receive EPG data input from various sources without a separate tuner for receiving EPG data.
본 발명의 제 1 특징은 TV 시청 시간의 대부분이 오직 하나의 비디오 소스만을 처리하는 데 비해, 각 비디오 소스 마다 각자의 고주파 수신 회로( 튜너, TP 등 )를 가지고 있는 점을 토대로 현재 시청하고 있지 않는 비디오 소스를 통해 입력되는 EPG 데이터를 추출하는 EPG 데이터 추출 수단을 갖는다.The first feature of the present invention is that it is not currently being viewed based on the fact that most of the TV viewing time only handles one video source, but each video source has its own high frequency reception circuit (tuner, TP, etc.). EPG data extraction means for extracting EPG data input through a video source.
본 발명의 제 2 특징은 상기 제 1 특징에서 EPG 데이터를 추출할 때, 현재 동작 가능한 비디오 소스를 판별하고,동작 가능한 비디오 소스 중 현재 시청하고 있지 않는 비디오 소스를 판별한 후, 각 비디오 소스, 각 채널에 대해 우선 순위를 가지고 데이터를 추출하는 수단을 갖는다. 좀더 설명하자면 비디오 소스는 ATSC, NTSC, DBS, Cable 순, 채널은 선호 채널 먼저, 나머지 채널은 나중에 추출한다. The second aspect of the present invention is that when extracting the EPG data from the first aspect, it is possible to determine a video source that is currently operable and to determine which video source is not currently being watched from among the video sources, each video source, each It has a means to extract data with priority for the channel. More specifically, the video source is ATSC, NTSC, DBS, Cable, and the channel is the preferred channel first, and the rest of the channels are extracted later.
본 발명의 제 3 특징은 상기 제 2 특징에 의해 추출된 EPG 데이터를 통일된 EPG 데이터 형태로 변환하여 통합 EPG 데이터 베이스를 구축하는 수단을 갖는다. A third aspect of the present invention has a means for converting the EPG data extracted by the second aspect into a unified EPG data form to build an integrated EPG database.
이하 본 발명을 제1도에서 4도를 이용하여 상세히 설명한다.제1도는 본발명의 기본 구성도로서, 먼저 디지털 방송 수신용튜너,위성용튜너,아나로그 방송수신용튜너로 부터 방송데이타가 입력된다.즉 비디오 소스별로 각자의 고주파 수신 회로인 튜너등을 독립적으로 가지고 있어서,시청자가 리모콘을 조작하여 채널을 선택함에 따라 해당 비디오 소스 입력부가 동작되고, ROM에 저장된 프로그램에 따라 중앙 처리 장치부의 콘트롤 신호( control )에 의해 각 비디오 소스 입력부로부터 영상 신호, 음성 신호 및 부가 정보( EPG 데이터 등 )를 선택적으로 읽어 들여 미리 정의된 통일된 형식으로 변환하여 RAM에 저장할 수 있도록 구성되어 있다. Hereinafter, the present invention will be described in detail with reference to FIGS. 1 to 4. FIG. 1 is a basic configuration diagram of the present invention. First, broadcast data is input from a digital broadcast reception tuner, a satellite tuner, and an analog broadcast reception tuner. In other words, each video source has its own high-frequency receiver circuit tuner, etc., so that the viewer operates the remote control to select a channel, and the corresponding video source input unit is operated, and the central processing unit controls according to the program stored in the ROM. It is configured to selectively read a video signal, an audio signal and additional information (such as EPG data) from each video source input unit by a signal and convert it into a predefined uniform format and store it in a RAM.
제 2 도는 본 발명의 흐름도로서 선택된 채널의 소스아이디를 마이컴에서 인지를 하고 현재 시청중인 소스가 사용중인지를 판별한 다음 시청하고 있지 않은 소스이면 시청하고 있지 않은 소스중 정해진 순서에 따라 먼저 튜닝을 한 후 수신되는 데이타 중에서 부가 정보를 추출하여 현재 시청 중인 채널의 EPG 데이타를 읽어들인다. 이렇게 읽은 EPG 데이타를 설계자가 정의한 통합 EPG 데이타 베이스에 적합한 형식으로 변환 한 다음 통합 EPG 데이타 베이스에 저장을 하고 종료를 하게 된다. 2 is a flow chart of the present invention to recognize the source ID of the selected channel in the microcomputer and to determine whether the source currently being viewed is in use, and if the source is not watching, tuning is performed first according to a predetermined order among the sources not being watched. After that, the additional information is extracted from the received data and the EPG data of the channel currently being viewed is read. This EPG data is converted into a format suitable for the integrated EPG database defined by the designer, and then stored in the integrated EPG database and finished.
제 3도는 선호 채널과 관련된 부분으로서 상기의 제2도와 기본적인 개념은 동일하다. 먼저 현재 시청하고 있는 채널인지를 판별하고 시청중이 아니면 이와 관련된 하드웨어를 가동 시킨다. 그 다음에 사용자가 설정한 선호채널의 순서에 따라 차레로 튜닝하고 선택된 채널로 부터 EPG데이터를 읽어 들인다.이렇게 읽혀진 EPG데이터는 통합EPG데이터에 적합한 형식으로 변환되어 데이타 베이스에 저장된다. 그리고 마지막 선호채널인지를 판단하고 마지막일 경우에는 나머지 채널을 튜닝한 다음 해당 채널의 EPG데이타를 읽어 들인다.마찬가지로 적합한 형식으로 EPG데이터를 변환 한 다음 데이터 베이스에 저장하고 종료한다. 3 is a part related to the preferred channel, and the basic concept of FIG. 2 is the same. First, determine whether the channel is currently being watched, and if not, start the hardware related to it. Next, the user tunes in order according to the preference channel set by the user and reads EPG data from the selected channel. The EPG data is converted into a format suitable for the integrated EPG data and stored in the database. It determines whether it is the last favorite channel, and if it is the last time, it tunes the remaining channels and reads EPG data of the corresponding channel. Similarly, the EPG data is converted into a suitable format, and then stored in the database and finished.
제4도는 통합 EPG데이터 베이스의 구성예로서 4-1)도는 현재 시청중인 채널을 통하여 미리 읽어들인 아나로그용 EPG데이터를 나타낸다. 4-2)도는 아나로그방송을 시청하는 동안 타 방송, 즉 디지털 방송과 관련된 EPG데이터를 수신한 디지털용 EPG데이터를 나타낸다.제4-3)도는 아나로그 방송을 시청하는 동안 위성방송EPG데이터를 수신하는 구성예를 나타낸 것이다. 4-4)도는 통합된 EPG데이타베이스 구성예를 보여준다. 여기서 제 4도를 부연하여 설명하자면 먼저 시청중인 방송과 관련된 EPG데이타를 추출하고 그다음에 기 결정된 순서에 의해 차례로 타방송과 관련된 EPG데이터를 수신한 다음 이를 통합하여 하나의 데이타 베이스에 관리하도록 저장하는 것이다. 4 is an example of the configuration of the integrated EPG database. FIG. 4-1) shows analog EPG data read in advance through the channel currently being viewed. 4-2) shows digital EPG data which received other broadcasting, that is, EPG data related to digital broadcasting while watching analog broadcasting. FIG. 4-3) shows satellite broadcasting EPG data while watching analog broadcasting. The example of a structure to receive is shown. 4-4) shows an example of integrated EPG database configuration. Here, in detail with reference to FIG. 4, the EPG data related to the broadcast being watched are first extracted, and then EPG data related to other broadcasts are received in order according to a predetermined order, and then integrated and stored to be managed in one database. will be.
이상에서 살펴본 바와 같이 본 발명은 첫째, 각 비디오 소스마다 추가로 별도의 EPG용 튜너를 부착하지 않고도 타 소스에 존재하는 튜너를 통하여 각 비디오 소스로부터 EPG 데이터를 수신할 수 있으며,둘째, TV의 주 전원이 꺼진 상태에서는 방송 수신을 하지 않으므로, 여러 가지 하드웨어 규격에 대응이 용이하고, 세째, 다수의 비디오 소스로부터 읽어 들인 EPG 데이터를 통일된 하나의 데이터 베이스로 구축하여 관리하므로, 시청자가 모든 비디오 소스에 관해 통합된 프로그램 안내를 받을 수 있는 효과가 있다. As described above, in the present invention, first, each EPG data can be received from each video source through a tuner existing in another source without attaching a separate EPG tuner for each video source. Since the broadcast reception is not performed when the power is turned off, it is easy to cope with various hardware standards. Third, the EPG data read from a plurality of video sources is constructed and managed as a unified database so that the viewer can view all the video sources. It is effective to receive integrated program guidance on.
이상에서와 같이 당업자라면 본발명의 기술사상을 일탈하지 아니하는 범위에서 다양한 변경 및 수정이 가능할 수 있다.따라서 본발명의 기술적 범위는 명세서에 기재된 상세한 설명으로 한정되는것이 아니라 특허청구범위에 의해서 정해져야 할것이다. As described above, various changes and modifications can be made by those skilled in the art without departing from the technical spirit of the present invention. Therefore, the technical scope of the present invention is not limited to the detailed description described in the specification but is defined by the claims. Should.
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| JPH08275077A (en) * | 1995-03-31 | 1996-10-18 | Sony Corp | Electronic program guide system and electronic program guide display method |
| JPH08314979A (en) * | 1995-03-13 | 1996-11-29 | Matsushita Electric Ind Co Ltd | Method and device for displaying program information on display |
| KR19990007835A (en) * | 1995-04-17 | 1999-01-25 | 조나단 어릭 | Integration of Multiple Source Information in Television Systems |
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| JPH08314979A (en) * | 1995-03-13 | 1996-11-29 | Matsushita Electric Ind Co Ltd | Method and device for displaying program information on display |
| JPH08275077A (en) * | 1995-03-31 | 1996-10-18 | Sony Corp | Electronic program guide system and electronic program guide display method |
| KR19990007835A (en) * | 1995-04-17 | 1999-01-25 | 조나단 어릭 | Integration of Multiple Source Information in Television Systems |
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| WO2021137474A1 (en) * | 2020-01-02 | 2021-07-08 | 삼성전자(주) | Electronic device and control method thereof |
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