KR20100127031A - Method and apparatus for receiving a broadcasting signal - Google Patents

Method and apparatus for receiving a broadcasting signal Download PDF

Info

Publication number
KR20100127031A
KR20100127031A KR1020090045524A KR20090045524A KR20100127031A KR 20100127031 A KR20100127031 A KR 20100127031A KR 1020090045524 A KR1020090045524 A KR 1020090045524A KR 20090045524 A KR20090045524 A KR 20090045524A KR 20100127031 A KR20100127031 A KR 20100127031A
Authority
KR
South Korea
Prior art keywords
information
channel
broadcast
epg
broadcast receiving
Prior art date
Application number
KR1020090045524A
Other languages
Korean (ko)
Inventor
권순용
Original Assignee
엘지전자 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020090045524A priority Critical patent/KR20100127031A/en
Publication of KR20100127031A publication Critical patent/KR20100127031A/en

Links

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]
    • H04N21/20—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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2362—Generation or processing of Service Information [SI]
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/26266—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for determining content or additional data repetition rate, e.g. of a file in a DVB carousel according to its importance
    • 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
    • H04N21/437—Interfacing the upstream path of the transmission network, e.g. for transmitting client requests to a VOD server
    • 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
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • 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
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests

Abstract

PURPOSE: A method and an apparatus for receiving a broadcasting signal are provided to receive a broadcasting signal and additionally receiver channel information or EPG information from a server, thereby reducing time for searching and updating channel and program information. CONSTITUTION: Channel information and EPG(Electronic Program Guide) information are received(500). A channel map is configured using the received channel information(510). At least one of the configured channel map information or the received EPG information is uploaded in an external device connected to a wire/wireless network(520). It is determined whether channel information is changed.

Description

Method and apparatus for receiving broadcast

The present invention relates to a broadcast receiving method and apparatus for managing channel information of a broadcast signal.

In general, the broadcast reception device receives a data stream including a broadcast signal, extracts a video and audio data stream corresponding to a channel desired by a user using service information included in the received data stream, and outputs the stream to the display device.

Digital television receivers, for example, have the ability to convert incoming broadcast signals into digital codes to add high-quality screen playback and add features. In digital broadcasting, video and audio streams are compressed and broadcast as digital information, and system information and program information are compressed and broadcast in accordance with the Program and System Information Protocol (PSIP) standard.

An object of the present invention is to provide a broadcast receiving method and apparatus capable of efficiently managing channel and program information of a broadcast signal.

A broadcast receiving method according to an embodiment of the present invention includes the steps of receiving channel information and EPG (Electronic Program Guide) information; Constructing a channel map using the received channel information; And uploading at least one of the configured channel map information and the received EPG information to an external device connected through a wired or wireless network.

On the other hand, another broadcast receiving method according to an embodiment of the present invention, determining whether or not to change the channel information; Downloading channel map information from an external broadcast receiving device connected to a wired or wireless network when the channel information is changed; And constructing a channel map using the downloaded channel map information.

The broadcast receiving method may be implemented using a computer-readable recording medium that records a program for execution on a computer.

In addition, the broadcast reception device according to the present invention may manage channel information and program information of a broadcast signal using the image processing method.

According to an embodiment of the present invention, by receiving channel information or EPG information from a server separately from a broadcast signal using a communication network such as an IP (Internet Protocol), it is possible to reduce the time spent searching or updating channel and program information. have. In addition, the plurality of broadcast receiving apparatuses may share channel information or EPG information, thereby improving user convenience.

Hereinafter, a broadcast receiving method and apparatus according to the present invention will be described in detail with reference to FIGS. 1 to 4.

1 is a block diagram illustrating a configuration of a broadcast receiving device according to a first embodiment of the present invention. Hereinafter, operations of the broadcast receiving device according to an embodiment of the present invention will be described with reference to the first broadcast receiving device 110. This will be explained.

Referring to FIG. 1, the first broadcast receiving device 110 receives a data stream including a broadcast signal through a satellite or a cable, and corresponds to a channel selected by a user from the received data stream. The video and audio data may be extracted and processed and then output to a display device (not shown).

The first broadcast receiving device 110 receives a broadcast signal using a wired or wireless network, converts the received broadcast signal into a form that can be output from a display device, and then outputs the set top box to the display device 300. -top box, STB).

However, the broadcast receiving apparatus according to the present invention is not limited to the set top box STB, and may include any kind of apparatus capable of receiving a broadcast signal transmitted from the outside and outputting the broadcast signal to a display device connected to a wired or wireless connection.

In the case of digital broadcasting, video and audio data are compressed into digital information, and system information and program information are compressed according to the Program and System Information Protocol (PSIP) standard to be generated as a data stream together with the compressed video and audio data. It may be transmitted to the broadcast reception device 110.

The PSIP is a standard for terrestrial and cable digital broadcasting that defines program and system information standards. The PSIP parses signals encoded according to the Moving Picture Experts Group (MPEG) standard and provides various information about a program. It is defined to do so.

More specifically, the first broadcast receiving apparatus 110 extracts service information from the received data stream and separates various channel information therefrom and a video and audio extracted from the data stream. An A / V processing unit (not shown) for decoding data may be included.

The broadcast receiving apparatuses 110 and 120 according to an embodiment of the present invention preferably receive channel information from the server 100 and configure a channel map using the received channel information. In addition, the broadcast receiving apparatuses 110 and 120 may receive electronic program guide (EPG) information from the server 100 and apply the received EPG information to obtain information about a broadcast program.

Channel information or EPG information received from the server 100 is included in a separate signal separate from the data stream including a broadcast signal, the server 100 is a separate broadcast for providing the channel information or EPG information It may be an information providing server.

The first broadcast reception device 110 may be connected to the server 100 using a wired or wireless network, respectively, and receive the broadcast information including channel information or EPG information from the server 100 using the wired or wireless network. Can be.

For example, the first and second broadcast receiving apparatuses 110 and 120 and the server 100 may transmit and receive data, more specifically, the channel information or EPG information through an IP (Internet Protocol) communication network.

As described above, by using a wired or wireless network such as an Internet Protocol (IP) communication network, the first broadcast receiving device 110 receives information on all channels that are being broadcast from the server 100 and receives the received channel information. By constructing a channel map, the time spent on channel search can be reduced.

That is, service information (SI) extracted from the data stream from which the first broadcast receiving device 110 is received, for example, a broadcast information table (SDT) and a program association table (PAT) Compared to a case of configuring a channel map using a program map table (PMT) or a program map table (PMT), a channel map is generated using channel information directly received from the server 100 using an IP (Internet Protocol) communication network. If configured, the channel search time can be shortened.

In addition, when the information on the broadcast channel is changed, the first broadcast receiving device 110 downloads the channel information from the server 100 via an IP (Internet Protocol) communication network, without the user's separate operation, The channel map may be reconfigured according to the changed channel information.

Meanwhile, the first broadcast receiving device 110 downloads EPG information from the server 100 through an IP (Internet Protocol) communication network, and collects program information about broadcast channels using the downloaded EPG information. Can be updated.

For example, in the case of extracting EPG information from a data stream received from a broadcasting station, only EPG information about a channel being watched can be extracted. Therefore, in order to obtain program information about all channels being broadcast, EPG can be directly moved through all channels. You have no choice but to collect information. On the other hand, by downloading the EPG information for the entire channel from the server 100 through an Internet Protocol (IP) communication network, etc., it is possible to shorten the time for collecting EPG information, and EPG for other channels not currently being watched Changes in information can be easily applied.

In addition, the first broadcast reception device 110 may be connected to an external second broadcast reception device 120 using a wired or wireless network such as IP (Internet Protocol) communication or short-range wireless communication such as Wlan. The receiving apparatuses 110 and 120 may transmit and receive channel map information or EPG information using the wired / wireless network. Accordingly, the first and second broadcast reception devices 110 and 120 having different users may share channel map information or EPG information.

Meanwhile, in FIG. 1, the case where the broadcast receiving devices 110 and 120 are provided as a separate device outside the display device has been described as an example. It may be included in the may be implemented as a set (set).

The operation of the first broadcast reception device 110 shown in FIG. 1 will be described in more detail in conjunction with a flowchart illustrating a broadcast reception method according to the first embodiment of the present invention shown in FIG. 3.

Referring to FIG. 3, the first broadcast receiving device 110 receives channel information and EPG information that is being broadcast (step 500). For example, the first broadcast reception device 110 may download the channel information or the EPG information from the server 100 through an IP communication network.

The first broadcast receiving device 110 constructs a channel map using the received channel information (step 510). The channel map configured as described above may include service IDs for channels currently being broadcast, channel names corresponding to each of the service IDs, and video / audio packet IDs (PIDs).

The first broadcast reception device 110 may connect an external device, for example, a second broadcast reception device 120 or a server 100, to which the information on the configured channel map or the received EPG information is connected using a wired or wireless network such as an IP communication network. (Step 520).

That is, the first broadcast receiving device 110 transmits the configured channel map information to the second broadcast receiving device 120 through an IP communication network or the like, thereby transmitting the channel map information currently being broadcast to the first and second broadcast receiving devices ( 110, 120 may share.

Alternatively, the first broadcast receiving device 110 uploads the configured channel map information to the server 100 through an IP communication network or the like, thereby broadcasting the first and second broadcast channel map information through the server 100. The receiving devices 110 and 120 may share.

Meanwhile, the first broadcast receiving device 110 transmits the received EPG information to the second broadcast receiving device 120, and the second broadcast receiving device 120 applies the received EPG information so that the user is different. EPG information sharing between the first and second broadcast reception devices 110 and 120 may be possible.

The operation of the second broadcast reception device 120 shown in FIG. 1 will be described in more detail in conjunction with a flowchart illustrating a broadcast reception method according to the second embodiment of the present invention shown in FIG. 4.

Referring to FIG. 4, the second broadcast reception device 120 monitors a network connected to the first broadcast reception device 110 or the server 100 (step 600) to determine whether channel information has changed. (Step 610). For example, the second broadcast reception device 120 may periodically monitor a network connected to the first broadcast reception device 110 or the server 100.

If the channel information is changed, the second broadcast reception device 120 downloads the changed channel information from an external device connected through the network, for example, the first broadcast reception device 110 or the server 100 (step 620). .

More specifically, the second broadcast reception device 120 periodically monitors the server 100 to confirm that the channel information has been changed, and downloads the changed channel information from the server 100 through an IP communication network. have.

Alternatively, when the channel map configured in the first broadcast receiving device 110 is changed, the second broadcast receiving device 120 requests and receives the changed channel map information from the first broadcast receiving device 110 or receives the first. 1 The changed channel map information may be automatically downloaded from the broadcast reception device 110.

Thereafter, the second broadcast receiving device 120 may configure a channel map by using the changed channel information downloaded from the server 100 or the changed channel map information received from the first broadcast receiving device 110. (Step 630).

Meanwhile, the second broadcast reception device 120 may download and apply EPG information from an external device connected through a wired or wireless network, for example, the server 100 or the first broadcast reception device 110 (step 640).

2 is a block diagram illustrating a configuration of a broadcast receiving apparatus according to a second embodiment of the present invention.

Referring to FIG. 2, a plurality of broadcast receiving apparatuses 200 connected to each other through a wired / wireless network such as an IP communication network without using a server for providing broadcast information providing channel information or EPG information as shown in FIG. 1. , 300 and 400 may share channel map information or EPG information.

In this case, any one of the plurality of broadcast receiving devices 200, 300, and 400, for example, the first broadcast receiving device 200 may serve as a server for providing broadcast information as described above.

That is, the first broadcast receiving device 200 may use service information (SI), for example, a broadcast information table (SDT), a program association table (PAT), or a program map table (PMT) from a data stream received from a broadcasting station. ) And a channel map using the extracted service information (SI).

Thereafter, the first broadcast receiving device 200 transmits the configured channel map information to the second and third broadcast receiving devices 300 and 400 using an IP communication network, and the like. 400 may configure a channel map currently being broadcast using the transmitted channel map information of the first broadcast reception device 200.

Meanwhile, the first broadcast receiving apparatus 200 extracts EPG information for each channel from the received data stream, and the second and third broadcast receiving apparatuses 300 and 400 use the extracted EPG information using an IP communication network or the like. To share).

In addition, when the channel information or the EPG information is changed, the first broadcast receiving device 200 constructs a channel map according to the changed channel information, and uses the changed channel map information or EPG information using an IP communication network or the like. 3 may be transmitted to the broadcast reception apparatuses 300 and 400.

Since the broadcasting channel or EPG information may be different according to the region, as described above, the plurality of broadcasting receiving apparatuses 200, 300, and 400 sharing the broadcasting information through an IP communication network or the like have a specific region range, that is, a channel. And devices in which the EPG information is located in the same region.

In addition, the above-described broadcast receiving method according to the present invention may be stored in a computer-readable recording medium that is produced as a program for execution on a computer, and examples of the computer-readable recording medium include ROM, RAM, CD. ROMs, magnetic tapes, floppy disks, optical data storage devices, and the like, as well as those implemented in the form of carrier waves (eg, transmission over the Internet).

The computer readable recording medium can be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion. In addition, functional programs, codes, and code segments for implementing an image processing method may be easily inferred by programmers in the art.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention.

1 is a block diagram showing a configuration of a broadcast receiving apparatus according to a first embodiment of the present invention.

2 is a block diagram illustrating a configuration of a broadcast receiving apparatus according to a second embodiment of the present invention.

3 is a flowchart illustrating a broadcast reception method according to a first embodiment of the present invention.

4 is a flowchart illustrating a broadcast reception method according to a second embodiment of the present invention.

Claims (10)

Receiving channel information and electronic program guide (EPG) information; Constructing a channel map using the received channel information; And And uploading at least one of the configured channel map information and the received EPG information to an external device connected through a wired or wireless network. The method of claim 1, wherein the receiving step And receiving at least one of the channel information and the EPG information from a server connected to a wired or wireless network or a broadcast receiving device of another user. The method of claim 1, wherein the uploading step And uploading at least one of the channel map information and the EPG information to a server connected to a wired or wireless network or to a broadcast receiving device of another user. The method of claim 1, At least one of the channel information and the EPG information is received separately from the broadcast signal received from the server. Determining whether to change channel information; Downloading channel map information from an external broadcast receiving device connected to a wired or wireless network when the channel information is changed; And And constructing a channel map by using the downloaded channel map information. The method of claim 5, And downloading EPG information from an external broadcast receiver connected to a wired or wireless network. The method of claim 5, wherein the determining step And determining whether the channel information is changed by monitoring a wired or wireless network connected to the external broadcast receiving device. The broadcast reception device which performs the method of any one of Claims 1-7. The method of claim 8, And uploading or downloading at least one of the channel map information and the EPG information by using the Internet protocol (IP) communication with the external device. A computer-readable recording medium having recorded thereon a program for executing the broadcast receiving method according to any one of claims 1 to 7.
KR1020090045524A 2009-05-25 2009-05-25 Method and apparatus for receiving a broadcasting signal KR20100127031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090045524A KR20100127031A (en) 2009-05-25 2009-05-25 Method and apparatus for receiving a broadcasting signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090045524A KR20100127031A (en) 2009-05-25 2009-05-25 Method and apparatus for receiving a broadcasting signal

Publications (1)

Publication Number Publication Date
KR20100127031A true KR20100127031A (en) 2010-12-03

Family

ID=43504416

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090045524A KR20100127031A (en) 2009-05-25 2009-05-25 Method and apparatus for receiving a broadcasting signal

Country Status (1)

Country Link
KR (1) KR20100127031A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101229982B1 (en) * 2011-03-29 2013-02-25 (주)엠아이웨어 System for internet protocol television
CN112653530A (en) * 2019-10-12 2021-04-13 上海博泰悦臻电子设备制造有限公司 Vehicle-mounted radio, rapid channel searching method, system, medium and vehicle machine thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101229982B1 (en) * 2011-03-29 2013-02-25 (주)엠아이웨어 System for internet protocol television
CN112653530A (en) * 2019-10-12 2021-04-13 上海博泰悦臻电子设备制造有限公司 Vehicle-mounted radio, rapid channel searching method, system, medium and vehicle machine thereof

Similar Documents

Publication Publication Date Title
JP6092122B2 (en) Transmission method and apparatus for broadcasting / communication integrated service
CN102450008B (en) Satellite signal distribution
CA2755062C (en) Transmission of video signals
KR100728256B1 (en) Homenetwork/Broadcast Linkage System and Method for using Multimedia Contents between Home Network and Broadcast
WO2018019239A1 (en) Program resource sharing processing set top box, system and method therefor
KR20060040429A (en) Apparatus for providing digital broadcasting data using wireless local area network and method the same
US8239897B2 (en) Method and apparatus for multiple audio outputs
US20170034066A1 (en) Transmission device, transmission method, reception device, and reception method
CN103905838A (en) Method and system for enabling terminal to play DVB services
JP6433289B2 (en) Receiving device, broadcasting system, receiving method and receiving program
KR20100127031A (en) Method and apparatus for receiving a broadcasting signal
KR20160106069A (en) Method and apparatus for reproducing multimedia data
US9172899B2 (en) Method and apparatus for determining that received broadcasting signals from different input ports are the same content
TWI482453B (en) Media distribution system with wireless local area network module
US20090013355A1 (en) Broadcast scheduling method and broadcast receiving apparatus using the same
JP2015228632A (en) Recording reproduction device and recording reproduction system
JP6206705B2 (en) Transmission device, transmission method, reception device, and reception method
JP2004135170A (en) Digital broadcasting system, transmitter, receiver, broadcast contents transmitting method, and transmission line switching method
US20170318315A1 (en) Apparatus and method for transmitting content over network
JP2010187256A (en) Communication system, broadcasting information transmission device and communication device
KR100840583B1 (en) Data upgrading method using by digital broadcasting system
JP2014232978A (en) Digital broadcast receiver
KR100672319B1 (en) Method and system for transporting data
KR100971704B1 (en) Method for operating set-top box integration apparutus
JP4181902B2 (en) Frequency converter

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application