KR20060128295A - Method for searching different broadcasting channel - Google Patents

Method for searching different broadcasting channel Download PDF

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Publication number
KR20060128295A
KR20060128295A KR1020050049620A KR20050049620A KR20060128295A KR 20060128295 A KR20060128295 A KR 20060128295A KR 1020050049620 A KR1020050049620 A KR 1020050049620A KR 20050049620 A KR20050049620 A KR 20050049620A KR 20060128295 A KR20060128295 A KR 20060128295A
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South Korea
Prior art keywords
pip
broadcasting
broadcast
image
channels
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KR1020050049620A
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Korean (ko)
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홍형표
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엘지전자 주식회사
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Priority to KR1020050049620A priority Critical patent/KR20060128295A/en
Publication of KR20060128295A publication Critical patent/KR20060128295A/en

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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
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • 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
    • H04N21/4316—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 displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • 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
    • 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
    • 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
    • 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
    • H04N21/485—End-user interface for client configuration
    • H04N21/4858—End-user interface for client configuration for modifying screen layout parameters, e.g. fonts, size of the windows

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

A method for confirming other broadcasting channels is provided to easily monitor other broadcasting channels by displaying video of other channels in PIP images and EPG information overlapped with the partial PIP images in a scrolled state while watching a current broadcast program as a main image. If a mode for confirming other broadcasting channels is set up in the middle of receiving a random broadcasting channel by controlling a first tuner, a microcomputer selects and receives a random broadcasting channel among other channels(S10-S12). A PIP generator converts video of a random broadcast program into a PIP image(S13). The microcomputer controls an OSD(On Screen Display) generator to output EPG information of the broadcasting channel(S14). It is judged whether a predetermined time passed(S15). If the mode for confirming other broadcasting channels is released, the microcomputer stops displaying the PIP image and EPG information, and executes an operation requested by a user(S16-S18).

Description

타 방송 채널 확인 방법 {Method for searching different broadcasting channel} How to check other broadcasting channels {Method for searching different broadcasting channel}

도 1은 일반적인 디지털 방송 수신기에 대한 구성을 도시한 것이고,1 illustrates a configuration of a general digital broadcast receiver.

도 2 및 도 3은 일반적인 디지털 방송 수신기에 의해 출력 표시되는 메인 비디오 화면과 이피지 화면을 도시한 것이고, 2 and 3 illustrate a main video screen and an pidji screen output and displayed by a general digital broadcasting receiver.

도 4는 본 발명이 적용되는 디지털 방송 수신기에 대한 구성을 도시한 것이고,4 illustrates a configuration of a digital broadcast receiver to which the present invention is applied.

도 5는 본 발명에 따른 타 방송 채널 확인 방법에 대한 동작 흐름도를 도시한 것이고,5 is a flowchart illustrating another broadcast channel checking method according to the present invention;

도 6은 본 발명에 따라 메인 비디오 영상과 피아이피 영상, 그리고 이피지 정보가 스크롤 상태로 표시되는 실시예를 도시한 것이다. FIG. 6 illustrates an exemplary embodiment in which a main video image, a PIP image, and PPI information are displayed in a scroll state according to the present invention.

※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing

10,20 : 튜너부 11,21 : 디먹스10,20: Tuner part 11,21: Demux

12,22 : 오디오 디코더 13,23 : 비디오 디코더12,22: Audio Decoder 13,23: Video Decoder

14,24 : 데이터 디코더 15 : 마이컴14,24: data decoder 15: microcomputer

16 : 오에스디 생성부 17 : 메모리 16: OSD generation unit 17: memory

25 : PIP 생성부 25: PIP generation unit

본 발명은, 타 방송 채널 확인 방법에 관한 것으로, 예를 들어, 디지털 방송 수신 기능이 구비된 디지털 텔레비전(D-TV) 또는 셋탑 박스(STB: Set Top Box)와 같은 디지털 방송 수신기에서의 타 방송 채널 확인 방법에 관한 것이다. The present invention relates to a method for identifying another broadcast channel, and for example, another broadcast in a digital broadcast receiver such as a digital television (D-TV) or a set top box (STB) having a digital broadcast reception function. It relates to a channel identification method.

일반적으로, 디지털 방송 수신 기능이 구비된 디지털 텔레비전(D-TV) 또는 셋탑 박스(STB)와 같은 디지털 방송 수신기에는, 예를 들어 도 1에 도시한 바와 같이, 튜너부(10), 디먹스(11), 오디오 디코더(12), 비디오 디코더(13), 데이터 디코더(14), 마이컴(15), 오에스디 생성부(16), 그리고 메모리(17) 등이 포함 구성될 수 있다. In general, in a digital broadcast receiver such as a digital television (D-TV) or a set-top box (STB) equipped with a digital broadcast reception function, as shown in FIG. 1, for example, the tuner unit 10 and the demux ( 11), the audio decoder 12, the video decoder 13, the data decoder 14, the microcomputer 15, the OSD generator 16, and the memory 17 may be included.

한편, 상기 마이컴(15)에서는, 사용자의 요청에 따라, 상기 튜너부(10)를 동작 제어하여, 임의의 한 방송 채널을 선국하게 되는 데, 상기 디먹스(11)에서는, 상기 방송 채널을 통해 수신되는 방송 데이터 스트림, 예를 들어 MPEG-2 트랜스포트 스트림(Transport Stream)을, 오디오, 비디오, 그리고 데이터로 디먹싱하여 각각 분리 출력하게 된다.On the other hand, the microcomputer 15, by the user's request, the operation of the tuner unit 10 to tune to any one broadcast channel, the demux 11, through the broadcast channel The received broadcast data stream, for example, the MPEG-2 Transport Stream, is demuxed into audio, video, and data and outputs separately.

또한, 상기 오디오 디코더(12)에서는, 상기 분리 출력되는 오디오 데이터 스트림을 MPEG 디코딩하여 고음질의 오디오로 출력하게 되고, 상기 비디오 디코더(13)에서는, 상기 분리 출력되는 비디오 데이터 스트림을 MPEG 디코딩하여 고화질 의 비디오로 출력하게 되며, 상기 데이터 디코더(14)에서는, 캡션 데이터 등을 MPEG 디코딩하여 자막 영상을 출력하거나, 또는 이피지(EPG: Electronic Program Guide) 정보와 같은 다양한 부가 정보들을 디코딩하여, 상기 마이컴(15)으로 출력하게 된다.In addition, the audio decoder 12 MPEG-decodes the separated output audio data stream and outputs the audio with high quality audio. The video decoder 13 decodes the separated output video data stream by high-definition audio. The data decoder 14 outputs a caption image by MPEG-decoding caption data or the like, or decodes various additional information such as Electronic Program Guide (EPG) information and the microcomputer 15 to output the video. Will be printed).

그리고, 상기 마이컴(15)에서는, 상기 이피지 정보와 같은 다양한 부가 정보를 수신하여, 상기 메모리(17)에 저장한 후, 사용자의 요청에 따라, 상기 이피지 정보를 검색 독출함과 아울러, 상기 오에스디 생성부(16)를 동작 제어하여, 다양한 방송 프로그램 정보들이 리스트 형태로 표시되는 이피지 화면을 출력 표시하게 된다.In addition, the microcomputer 15 receives various additional information such as the easy-to-use information, stores the stored information in the memory 17, and then retrieves and reads the easy-to-use information at the user's request. By controlling the operation of the generation unit 16, and outputs the output of the screen of the screen, a variety of broadcast program information is displayed in the form of a list.

이에 따라, 사용자는, 도 2에 도시한 바와 같이, 메인 비디오 영상을 시청하던 도중, 다른 방송 채널을 감시 및 확인하고자 하는 경우, 이피지 화면 표시를 요청하여, 도 3에 도시한 바와 같이, 이피지 화면을 통해 표시되는 방송 채널 및 방송 프로그램 정보를 검색 참조하여, 다른 방송 채널에서 방송되는 다양한 방송 프로그램을 확인할 수 있게 된다. Accordingly, when the user wants to monitor and confirm another broadcast channel while watching the main video image, as shown in FIG. 2, the user requests the display of the epiji screen, as shown in FIG. 3. By searching and referring to the broadcast channel and broadcast program information displayed through, it is possible to identify various broadcast programs broadcast on other broadcast channels.

그러나, 일반적인 디지털 방송 수신기에서는, 상기와 같이 메인 비디오 영상을 출력 표시하던 도중, 이피지 화면 표시가 요청되는 경우, 방송 채널 및 방송 프로그램 정보를 이피지 화면으로 출력 표시하기 때문에, 사용자가 현재 시청하던 방송 프로그램을 연속적으로 계속 시청할 수 없게 되는 문제점이 있다. However, in the general digital broadcasting receiver, when the display of the main video image is requested as described above, when the display of the page is requested, the broadcast channel and the program information are displayed on the screen of the screen so that the user is currently watching the broadcast program. There is a problem that can not continue to watch continuously.

따라서, 본 발명은 상기와 같은 문제점을 해결하기 위하여 창작된 것으로서, 예를 들어 셋탑 박스(STB)와 같은 디지털 방송 수신기에서, 디지털 방송 프로그램을 수신하던 도중, 사용자의 요청에 따라, 타 방송 채널 확인 모드가 설정되면, 다른 튜너를 동작 제어하여, 임의의 한 타 방송 채널을 순차적으로 선국하면서, 그 방송 채널을 통해 수신되는 방송 프로그램의 비디오를 피아이피(PIP: Picture In Picture) 영상으로 표시함과 아울러, 이피지(EPG) 정보를 일부 화면에 스크롤(Scroll)되는 상태로 중첩 표시할 수 있도록 하기 위한 타 방송 채널 확인 방법을 제공하는 데, 그 목적이 있는 것이다. Therefore, the present invention was created to solve the above problems, for example, in a digital broadcast receiver such as a set-top box (STB), while receiving a digital broadcast program, at the request of the user, other broadcast channels to check When the mode is set, operation control of another tuner is performed to sequentially tune any other broadcast channel, and displays video of a broadcast program received through the broadcast channel as a picture in picture (PIP) image. In addition, it is an object of the present invention to provide a method for identifying other broadcast channels for displaying overlapping EPG information in a state of scrolling on a part of a screen.

상기와 같은 목적을 달성하기 위한 본 발명에 따른 타 방송 채널 확인 방법은, 디지털 방송 프로그램을 수신하던 도중, 타 방송 채널 확인 모드가 설정되면, 다른 튜너를 동작 제어하여, 임의의 한 타 방송 채널을 선국하는 1단계; 및 상기 선국된 임의의 한 타 방송 채널을 통해 수신되는 방송 프로그램의 비디오를 피아이피(PIP) 영상으로 변환하여 함께 표시함과 아울러, 이피지 정보를 일부 화면에 중첩 표시하는 2단계를 포함하여 이루어지는 것을 특징으로 하며,The other broadcast channel confirmation method according to the present invention for achieving the above object, if the other broadcast channel confirmation mode is set while receiving a digital broadcast program, the operation of the other tuner to control any other broadcast channel 1st stage of tuning; And converting the video of the broadcast program received through any one selected broadcast channel into a PIP image and displaying the same together, and superimposing the Phiji information on some screens. Features,

또한, 상기 타 방송 채널을 선국한 후, 소정 시간이 경과되면, 상기 다른 튜너를 동작 제어하여, 또다른 방송 채널을 선국하는 단계를 더 포함하며, 상기 이피지 정보는, 일부 화면에 스크롤(Scroll)되는 형태로 표시되고, 상기 피아이피(PIP) 영상은, 소형 크기의 동영상이거나, 또는 기저 영상(I-Picture)의 정지 영상인 것을 특징으로 한다. The method further includes the step of controlling another tuner to tune another broadcast channel after a predetermined time has elapsed after tuning the other broadcast channel, wherein the information on the page is scrolled on a part of the screen. The PIP image is a small size video or a still image of an I-picture.

이하, 본 발명에 따른 타 방송 채널 확인 방법에 대한 바람직한 실시예에 대해, 첨부된 도면을 참조하여 상세히 설명한다. Hereinafter, exemplary embodiments of another broadcasting channel checking method according to the present invention will be described in detail with reference to the accompanying drawings.

도 4는, 본 발명이 적용되는 디지털 방송 수신기에 대한 구성을 도시한 것으로, 예를 들어, 본 발명이 적용되는 셋탑 박스(STB)에는, 제1 튜너부(10), 제1 디먹스(11), 제1 오디오 디코더(12), 제1 비디오 디코더(13), 제1 데이터 디코더(14), 마이컴(15), 오에스디 생성부(16), 그리고 메모리(17) 등이 포함 구성됨과 아울러, 제2 튜너부(20), 제2 디먹스(21), 제2 오디오 디코더(22), 제2 비디오 디코더(23), 제2 데이터 디코더(24), 그리고 PIP 생성부(25)가 추가로 포함 구성될 수 있다. 4 illustrates a configuration of a digital broadcast receiver to which the present invention is applied. For example, in a set top box STB to which the present invention is applied, a first tuner unit 10 and a first demux 11 are illustrated. ), A first audio decoder 12, a first video decoder 13, a first data decoder 14, a microcomputer 15, an OSD generator 16, a memory 17, and the like. , The second tuner unit 20, the second demux 21, the second audio decoder 22, the second video decoder 23, the second data decoder 24, and the PIP generator 25 are added. It can be configured to include.

한편, 예를 들어 도 5에 도시한 바와 같이, 상기 마이컴(15)에서는, 사용자의 요청에 따라, 상기 제1 튜너부(10)를 동작 제어하여, 임의의 한 방송 채널을 선국 및 수신하던 도중(S10), 타 방송 채널 확인 모드를 설정하게 되는 경우(S11), 상기 제2 튜너부(20)를 동작 제어하여, 임의의 한 타 방송 채널을 선국 및 수신하게 된다(S12). On the other hand, for example, as shown in FIG. 5, the microcomputer 15 operates and controls the first tuner unit 10 according to a user's request to tune and receive any one broadcast channel. In step S10, when the other broadcast channel checking mode is set (S11), the second tuner unit 20 is controlled in operation to tune and receive any other broadcast channel (S12).

그리고, 상기 PIP 생성부(25)에서는, 상기 제2 튜너부(20)를 통해 수신되는 임의의 한 방송 프로그램 중 비디오 영상을, 도 6에 도시한 바와 같이, 소형 크기의 피아이피(PIP) 영상으로 변환 출력하게 되는 데, 상기 피아이피 영상은, 동영상 의 서브 영상(Sub-Video)으로 출력 표시되거나, 또는 기저 영상(I-Picture)의 정지 영상으로 출력 표시될 수 있다. In addition, the PIP generation unit 25 displays a video image of any one broadcast program received through the second tuner unit 20, as shown in FIG. 6. The PPI image may be output as a sub-video of a video or may be output as a still image of an I-picture.

예를 들어, 상기 PIP 생성부(25)에서는, 비디오 데이터 스트림 중, 패킷 헤더(Packet Header)에 포함된 패킷 아이디(PID: Packet ID)를 검색 참조하여, 독립적인 영상 프레임 처리가 가능한 기저 영상(I-Picture)만을 선별한 후, 소정 크기의 피아이피 영상으로 변환 출력하게 된다(S13). For example, the PIP generation unit 25 may search for a packet ID included in a packet header of a video data stream and search for a base image that enables independent image frame processing. I-Picture) is selected and converted into a PPI image of a predetermined size (S13).

한편, 상기 마이컴(15)에서는, 상기 메모리(17)에 저장된 이피지 정보 또는 상기 방송 채널을 통해 수신되는 이피지 정보를 검색 참조함과 아울러, 상기 오에스디 생성부(16)를 동작 제어하여, 도 6에 도시한 바와 같이, 일부 화면에 이피지 정보가 출력 표시되도록 하는 데, 상기 이피지 정보는, 스크롤(Scroll)되는 형태로 표시될 수 있으며, 또한 상기 피아이피 영상으로 화면 표시되는 방송 채널에 대한 이피지 정보가 선택 표시될 수 있다(S14). On the other hand, the microcomputer 15, while referring to the reference to the page information stored in the memory 17 or the information received through the broadcast channel, and the operation of the OS generating unit 16, Figure 6 As shown in FIG. 2, the phiji information is outputted and displayed on some screens. The phiji information may be displayed in a scrolled form, and also phiji information on a broadcast channel displayed on the PIP image. May be selected and displayed (S14).

그리고, 상기 마이컴(15)에서는, 사전에 설정된 소정 시간(예: 5초)이 경과한 상태에서(S15), 타 방송 채널 확인 모드가 해제되지 않은 경우(S16), 상기 제2 튜너부(20)를 동작 제어하여, 또다른 방송 채널을 선국 수신함과 아울러, 피아이피 영상과 이피지 정보가 각각 중첩 표시되도록 하는 일련의 동작을, 각 방송 채널마다 순차적으로 반복 수행하게 된다.In addition, when the predetermined time (for example, 5 seconds) has elapsed (S15), and the other broadcast channel checking mode is not released (S16), the second tuner 20 is used in the microcomputer 15. ) Is controlled to sequentially receive another broadcast channel, and perform a series of operations to sequentially display the PIP image and the PPI information, respectively, sequentially for each broadcast channel.

또한, 상기 마이컴(15)에서는, 타 방송 채널 확인 모드가 해제되면, 피아이피 영상과 이피지 정보 표시 동작을 중지함(S17)과 아울러, 사용자가 요청하는 해당 동작을 수행하게 되는 데(S18), 예를 들어, 상기 피아이피 영상이, 사용자에 의 해 선택 및 클릭되는 경우, 상기 마이컴(15)에서는, 상기 제2 튜너부(20)를 통해 수신되는 임의의 한 방송 채널을 메인 방송 채널로 변경 절환하는 일련의 동작을 수행하여, 사용자가 원하는 방송 채널을 보다 용이하게 감시 및 변경활 수 있게 된다.In addition, in the microcomputer 15, when the other broadcast channel checking mode is released, the PIP image and the PIP information display operation are stopped (S17), and the user requests to perform the corresponding operation (S18). For example, when the PIP image is selected and clicked by a user, the microcomputer 15 changes an arbitrary broadcast channel received through the second tuner unit 20 into a main broadcast channel. By performing a series of switching operations, it is possible to more easily monitor and change the broadcast channel desired by the user.

이상, 전술한 본 발명의 바람직한 실시예는, 예시의 목적을 위해 개시된 것으로, 당업자라면, 이하 첨부된 특허청구범위에 개시된 본 발명의 기술적 사상과 그 기술적 범위 내에서, 또다른 다양한 실시예들을 개량, 변경, 대체 또는 부가 등이 가능할 것이다. Or more, preferred embodiments of the present invention described above, for the purpose of illustration, those skilled in the art, within the technical spirit and the technical scope of the present invention disclosed in the appended claims below, to further improve various other embodiments Changes, substitutions or additions will be possible.

상기와 같이 구성 및 이루어지는 본 발명에 따른 타 방송 채널 확인 방법은, 예를 들어 디지털 방송 수신 기능이 구비된 디지털 텔레비전(D-TV) 또는 셋탑 박스(STB)와 같은 디지털 방송 수신기에서, 디지털 방송 프로그램을 수신하던 도중, 사용자의 요청에 따라, 타 방송 채널 확인 모드가 설정되면, 다른 튜너를 동작 제어하여, 임의의 한 타 방송 채널을 선국하게 되고, 상기 선국된 임의의 한 타 방송 채널을 통해 수신되는 방송 프로그램의 비디오를 피아이피(PIP) 영상으로 변환하여, 메인 영상 내에 함께 표시함과 아울러, 이피지(EPG) 정보를 일부 화면에 스크롤(Scroll)되는 상태로 중첩 표시함으로써, 사용자가, 현재 시청 중인 방송 프로그램을 메인 영상으로 계속 보면서, 피아이피(PIP) 영상으로 표시되는 타 방송 채널 의 비디오와, 일부 화면에 스크롤(Scroll) 상태로 중첩 표시되는 이피지 정보를 확인하여, 타 방송 채널을 보다 용이하게 감시 및 확인할 수 있게 되는 매우 유용한 발명인 것이다. The other broadcast channel checking method according to the present invention configured and made as described above is, for example, in a digital broadcast receiver such as a digital television (D-TV) or a set-top box (STB) equipped with a digital broadcast reception function. During the reception, if another broadcast channel checking mode is set according to a user's request, the other tuner is operated to tune to one other broadcast channel, and is received through the other selected broadcast channel. By converting the video of the broadcast program into a PIP image and displaying it together in the main image, and superimposing and displaying the EPG information in a scrolled state on some screens, the user is currently watching While watching the current program as a main video, the video of other broadcasting channels displayed as a PIP video and scrolling on some screens (Scr It is a very useful invention that makes it possible to monitor and confirm other broadcasting channels more easily by checking the information of overlapping displays in oll).

Claims (5)

디지털 방송 프로그램을 수신하던 도중, 타 방송 채널 확인 모드가 설정되면, 다른 튜너를 동작 제어하여, 임의의 한 타 방송 채널을 선국하는 1단계; 및 If another broadcasting channel checking mode is set while receiving a digital broadcasting program, step 1 of controlling another tuner to tune any one broadcasting channel; And 상기 선국된 임의의 한 타 방송 채널을 통해 수신되는 방송 프로그램의 비디오를 피아이피(PIP) 영상으로 변환하여 함께 표시함과 아울러, 이피지 정보를 일부 화면에 중첩 표시하는 2단계를 포함하여 이루어지는 것을 특징으로 하는 타 방송 채널 확인 방법. And converting the video of the broadcast program received through one of the selected broadcast channels into a PIP image and displaying the same together, and superimposing the PPI information on a part of the screen. Other broadcasting channel confirmation method. 제 1항에 있어서,The method of claim 1, 상기 타 방송 채널을 선국한 후, 소정 시간이 경과되면, 상기 다른 튜너를 동작 제어하여, 또다른 방송 채널을 선국하는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 타 방송 채널 확인 방법. And tuning to another broadcast channel by operating the other tuner after a predetermined time has elapsed after tuning to the other broadcast channel. 제 1항에 있어서,The method of claim 1, 상기 이피지 정보는, 일부 화면에 스크롤(Scroll)되는 형태로 표시되는 것을 특징으로 하는 타 방송 채널 확인 방법. The information on the page, the other broadcasting channel check method characterized in that the scroll (Scroll) is displayed in the form. 제 1항에 있어서,The method of claim 1, 상기 이피지 정보는, 상기 피아이피(PIP) 영상에 대응되는 방송 프로그램 정 보인 것을 특징으로 하는 타 방송 채널 확인 방법. And the PIP information is broadcast program information corresponding to the PIP image. 제 1항에 있어서,The method of claim 1, 상기 피아이피(PIP) 영상은, 소형 크기의 동영상이거나, 또는 기저 영상(I-Picture)의 정지 영상인 것을 특징으로 하는 타 방송 채널 확인 방법. The PIP image is a small size video or a still image of an I-picture.
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