KR20000040204A - Device for video recording - Google Patents

Device for video recording Download PDF

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Publication number
KR20000040204A
KR20000040204A KR1019980055775A KR19980055775A KR20000040204A KR 20000040204 A KR20000040204 A KR 20000040204A KR 1019980055775 A KR1019980055775 A KR 1019980055775A KR 19980055775 A KR19980055775 A KR 19980055775A KR 20000040204 A KR20000040204 A KR 20000040204A
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KR
South Korea
Prior art keywords
data
program
storage unit
reservation recording
epg
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KR1019980055775A
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Korean (ko)
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KR100366194B1 (en
Inventor
임위철
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윤종용
삼성전자 주식회사
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Priority to KR10-1998-0055775A priority Critical patent/KR100366194B1/en
Publication of KR20000040204A publication Critical patent/KR20000040204A/en
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Publication of KR100366194B1 publication Critical patent/KR100366194B1/en

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/68—Systems specially adapted for using specific information, e.g. geographical or meteorological information
    • H04H60/72—Systems specially adapted for using specific information, e.g. geographical or meteorological information using electronic programme guides [EPG]
    • 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

Abstract

PURPOSE: A device for video recording is provided to record a desired program by checking a recording data and a program guide data each certain period and changing the recorded data. CONSTITUTION: A control unit(15) reads a recorded data in a reserved program storage unit(17) and an EPG(electric program guide) in an EPG data storage unit(16). The control unit(15) compares the sameness of a program in the EPG data corresponding to a program broadcasting time of the recording data. With conforming, the recording is performed based on the recording data. Without conforming, the control unit changes the broadcasting time by finding a reserved program from the EPG data storage unit(16) and updates the recording data. In changing the broadcasting time of the recorded program, the program is video recorded by changing the broadcasting time in the recorded program storage unit(17).

Description

예약녹화장치Reserved recording device

본 발명은 디지털TV(DTV;digital television) 및 유럽향 디지털TV(DTTV;digital terrestrial television)에 관한 것으로, 보다 상세하게는, 사용자가 예약녹화하고자 하는 프로그램이 방송국 사정에 의해 시간이 변경된 경우, 변경된 시간으로 예약녹화를 재 설정하여 원하는 프로그램을 녹화할 수 있는 예약녹화장치에 관한 것이다.The present invention relates to a digital television (DTV) and a digital terrestrial television (DTTV). More specifically, when a program to be reserved by a user changes in time due to a broadcasting station, The present invention relates to a reserved recording device that can record a desired program by resetting the scheduled recording by time.

일반적으로, 예약녹화는 VCR이나 디지털 TV에서 적용하고 있는 기능이다. 예약녹화를 할 경우, 사용자는 예약녹화를 원하는 프로그램의 방송시간정보와 채널정보를 저장한다. 그러면, 종래의 예약녹화장치는 예약된 방송시간과 현재의 시간이 동일한지를 체크하여 동일하면 예약된 채널로 채널을 변경하여 예약녹화를 실행한다.In general, reservation recording is a function applied to a VCR or a digital TV. In the case of reservation recording, the user stores broadcasting time information and channel information of a program that the reservation recording is desired. Then, the conventional reserved recording apparatus checks whether the reserved broadcast time and the current time are the same, and if it is the same, changes the channel to the reserved channel and performs the reserved recording.

하지만, 방송국 사정으로 예약된 프로그램의 방송시간이 변경되는 경우는 사용자가 원하는 프로그램이 예약녹화되지 않고, 예약된 방송시간에 전송되는 다른 프로그램이 녹화되는 문제점이 있었다.However, when the broadcast time of a reserved program is changed due to a broadcasting station, there is a problem in that a program desired by a user is not reserved and recorded, and another program transmitted at the reserved broadcast time is recorded.

따라서, 본 발명의 목적은 전술한 문제점을 해결할 수 있도록 예약녹화된 데이터와 프로그램 가이드 데이터를 일정 주기마다 체크하여 그에 따른 예약녹화 데이터를 변경하여 사용자가 원하는 프로그램이 녹화되도록 하는 예약녹화장치를 제공함에 있다.Accordingly, an object of the present invention is to provide a reservation recording apparatus that checks the scheduled recording data and program guide data at regular intervals so as to solve the above-mentioned problems, and changes the reservation recording data accordingly so that a desired program is recorded. have.

도 1은 본 발명에 따른 예약녹화장치를 나타내는 블록도.1 is a block diagram showing a reservation recording apparatus according to the present invention.

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

11 : 튜너 12 : 디멀티플렉서(Demultiplexor)11: tuner 12: demultiplexor

13 : MPEG디코더 14 : 아날로그인코더13: MPEG decoder 14: analog encoder

15 : 제어부 16 : EPG데이터저장부15 control unit 16 EPG data storage unit

17 : 예약프로그램저장부17: reserved program storage unit

이와 같은 목적을 달성하기 위한 본 발명에 따른 예약녹화장치는 입력되는 TS스트림에서 비디오, 오디오 및 데이터스트림을 분리하여 출력하는 신호분리부와, 신호분리부로부터의 비디오 및 오디오스트림을 입력받아 출력 가능하도록 신호처리하는 A/V신호처리부와, 생성되는 EPG데이터를 저장하는 제 1저장부와, 사용자가 원하는 예약녹화데이터를 기저장하는 제 2저장부, 및 신호분리부로부터의 데이터스트림에서 EPG데이터를 생성하여 제 1저장부로 출력하며, 제 2저장부에 기저장된 예약녹화데이터와 제 1저장부에 저장되는 EPG데이터를 비교하여, 동일하지 않으면, EPG데이터에서 기저장된 예약녹화데이의 예약프로그램을 찾아 이에 근거하여 제 2저장부의 예약녹화데이터를 재 저장하여 예약녹화하도록 제어하는 제어부를 포함한다.The reservation recording apparatus according to the present invention for achieving the above object is capable of receiving a video and audio stream from the signal separation unit, and outputs a signal separation unit for separating and outputting video, audio and data stream from the input TS stream EPG data in the data stream from the A / V signal processing section for processing the signal, a first storage section for storing the generated EPG data, a second storage section for pre-stored reservation recording data desired by the user, and a signal separation section. Generates and outputs the data to the first storage unit, and compares the reserved recording data previously stored in the second storage unit with the EPG data stored in the first storage unit. And a control unit for controlling to re-save the reservation recording data of the second storage unit based on the information.

이하, 첨부한 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 기술하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 예약녹화장치를 나타내는 블록도이다. 도 1 장치는 방송신호를 입력받는 튜너(11), 튜너(11)에 연결된 디멀티플렉서(12), 디멀티플렉서(12)로부터 분리된 오디오 및 비디오스트림을 입력받아 화면출력가능 하도록 신호처리하는 MPEG디코더(13) 및 아날로그인코더(14)를 구비한다. 또한, 도 1 장치는 디멀티플렉서(12)의 출력단에 연결되어 각 구성을 제어하는 제어부(15), 제어부(15)와 연결된 EPG데이터저장부(16) 및 예약프로그램저장부(17)를 구비한다.1 is a block diagram showing a reservation recording apparatus according to the present invention. FIG. 1 is an MPEG decoder 13 for receiving a broadcast signal, and processing a signal to enable output of a tuner 11, a demultiplexer 12 connected to the tuner 11, and an audio and video stream separated from the demultiplexer 12. ) And an analog encoder 14. 1 includes a controller 15 connected to an output terminal of the demultiplexer 12 to control each component, an EPG data storage 16 connected to the controller 15, and a reserved program storage 17.

이와 같이 구성된 본 발명에 따른 예약녹화장치의 동작을 구체적으로 설명한다.The operation of the reservation recording apparatus according to the present invention configured as described above will be described in detail.

도 1 장치의 예약프로그램저장부(17)는 예약녹화데이터 즉, 사용자가 예약녹화를 원하는 프로그램의 제목, 채널 및 시간정보등을 저장한다. 제어부(15)의 제어에 따라 튜닝되는 튜너(11)는 방송신호를 선국하여 선국된 채널의 방송신호로부터 트랜스포트스트림(Transport stream:TS)을 검출하며, 검출된 TS스트림을 디멀티플렉서(12)로 출력한다. 디멀티플렉서(12)는 입력되는 TS스트림을 비디오, 오디오 및 데이터스트림으로 분리하여 비디오 및 오디오스트림을 MPEG디코더(13)로, 데이터스트림을 제어부(15)로 출력한다. MPEG디코더(13)는 분리된 비디오 및 오디오스트림을 디코딩하여 아날로그인코더(14)로 출력한다. 아날로그인코더(14)는 디코딩된 비디오 및 오디오데이터를 입력받아 인코딩하여 A/V단자(미도시)로 출력한다. 한편, 제어부(13)는 디멀티플렉서(12)로부터 데이터스트림을 입력받아 EPG데이터를 생성하여 EPG(electric program guide)데이터저장부(16)에 저장한다. 여기서 데이터스트림은 프로그램사양정보 및 서비스정보등을 포함한다. 제어부(15)는 예약프로그램저장부(17)에 저장된 예약녹화데이터와 EPG데이터저장부(16)의 EPG데이터를 독출한다. 제어부(15)는 예약녹화데이터의 프로그램 방송시간에 해당하는 EPG데이터의 프로그램이 동일한가를 비교한다. 비교결과, 제어부(15)는 예약된 방송시간에 예약프로그램과 EPG데이터의 프로그램이 일치하면, 예약프로그램 저장부(17)에 저장된 예약녹화데이터에 근거하여 예약녹화를 실행하도록 제어한다. 비교결과, 제어부(15)는 예약된 방송시간에 예약프로그램과 EPG데이터의 프로그램이 일치하지 않으면, EPG데이터저장부(16)에서 예약프로그램을 찾아 그에 따른 방송시간을 변경하여 예약프로그램저장부(17)에 저장된 예약녹화데이터를 업데이트(update)한다. 그러면, 예약된 프로그램의 방영시간이 변경된 경우에도 예약프로그램저장부(17)에 저장된 예약녹화데이터의 방송시간을 변경하여 사용자가 예약녹화하고자 하는 프로그램을 예약녹화할 수 있다. 여기서, 예약녹화를 실행하는 기술은 공지된 것이므로 상세한 설명을 생략한다.The reserved program storage unit 17 of FIG. 1 stores reserved recording data, that is, title, channel and time information of a program that the user wants to reserve recording. The tuner 11 tuned under the control of the controller 15 tunes a broadcast signal to detect a transport stream (TS) from the broadcast signal of the tuned channel, and transmits the detected TS stream to the demultiplexer 12. Output The demultiplexer 12 separates the input TS stream into video, audio, and data streams, and outputs the video and audio streams to the MPEG decoder 13 and the data stream to the controller 15. The MPEG decoder 13 decodes the separated video and audio streams and outputs them to the analog encoder 14. The analog encoder 14 receives the decoded video and audio data, encodes them, and outputs them to the A / V terminal (not shown). The controller 13 receives the data stream from the demultiplexer 12 to generate EPG data and to store the EPG data in the electric program guide (EPG) data storage unit 16. Here, the data stream includes program specification information and service information. The control unit 15 reads the reservation recording data stored in the reservation program storage unit 17 and the EPG data of the EPG data storage unit 16. The controller 15 compares whether the program of the EPG data corresponding to the program broadcast time of the reservation recording data is the same. As a result of the comparison, the controller 15 controls to execute the reservation recording based on the reservation recording data stored in the reservation program storage unit 17 when the reservation program and the program of the EPG data match at the scheduled broadcast time. As a result of comparison, if the reserved program and the program of the EPG data do not match at the scheduled broadcast time, the controller 15 finds the reserved program in the EPG data storage unit 16 and changes the broadcast time accordingly, and reserves the reserved program storage unit 17. Update reservation recording data stored in Then, even if the broadcast time of the reserved program is changed, the user can reserve the program to be reserved by changing the broadcast time of the reserved recording data stored in the reserved program storage unit 17. Here, since the technique for executing the reservation recording is well known, a detailed description thereof will be omitted.

상술한 바와 같이, 본 발명은 예약녹화시에 예약된 시간에 방영되는 프로그램이 변경되어도 변경된 데이터로 자동으로 재 예약하여 예약프로그램을 정확하게 녹화하는 효과를 제공한다.As described above, the present invention provides an effect of accurately recording a reserved program by automatically rescheduling the changed data even if the program broadcasted at the scheduled time is changed at the time of reservation recording.

Claims (2)

디지털방송수신장치에서의 예약녹화장치에 있어서,In a reservation recording apparatus in a digital broadcasting receiver, 입력되는 TS스트림에서 비디오, 오디오 및 데이터스트림을 분리하여 출력하는 신호분리부;A signal separator for separating and outputting video, audio, and data streams from an input TS stream; 상기 신호분리부로부터의 비디오 및 오디오스트림을 입력받아 출력 가능하도록 신호처리하는 A/V신호처리부;An A / V signal processor for receiving a video and audio stream from the signal separator and outputting the signal to be output; 생성되는 EPG데이터를 저장하는 제 1저장부;A first storage unit which stores the generated EPG data; 사용자가 원하는 예약녹화데이터를 기저장하는 제 2저장부; 및A second storage unit which pre-stores reservation recording data desired by a user; And 상기 신호분리부로부터의 데이터스트림에서 EPG데이터를 생성하여 제 1저장부로 출력하며, 상기 제 2저장부에 기저장된 예약녹화데이터와 제 1저장부에 저장되는 EPG데이터를 비교하여, 동일하지 않으면, EPG데이터에서 기저장된 예약녹화데이의 예약프로그램을 찾아 이에 근거하여 제 2저장부의 예약녹화데이터를 재 저장하여 예약녹화하도록 제어하는 제어부를 포함하는 예약녹화장치.The EPG data is generated from the data stream from the signal separation unit and output to the first storage unit, and the reservation recording data previously stored in the second storage unit and the EPG data stored in the first storage unit are not the same. And a control unit for searching for the pre-stored reservation program of the reserved recording day in the EPG data, and controlling to resave the reservation recording data of the second storage unit based on the reservation program. 제 1항에 있어서, 상기 제어부는The method of claim 1, wherein the control unit 일정주기마다 상기 제 2저장부에 기저장된 예약녹화데이터와 제 1저장부에 저장되는 EPG데이터를 비교하는 예약녹화장치.The reservation recording apparatus for comparing the reservation recording data previously stored in the second storage unit with the EPG data stored in the first storage unit at predetermined intervals.
KR10-1998-0055775A 1998-12-17 1998-12-17 Reserved recording device and method KR100366194B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040041184A (en) * 2002-11-08 2004-05-17 엘지전자 주식회사 Recording reservation method using EPG data

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KR19980030741A (en) * 1996-10-30 1998-07-25 배순훈 How to display equalizer LCD at auto preset

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040041184A (en) * 2002-11-08 2004-05-17 엘지전자 주식회사 Recording reservation method using EPG data

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