KR20020028752A - Method for transmission of internet contents using cable broadcasting network and its system - Google Patents

Abstract

The present invention relates to a method of transmitting a real-time Internet broadcast using a wired broadcasting network, wherein a server and a backbone network having a small capacity by converting an internet image, sound, and text signal from a terminal installed in a relay station to a video signal for broadcasting. Also can provide services to multiple viewers. To this end, the encoding server 210 converts the digitized video, sound, and text data into data in a streaming format (31); Transmitting (32) the data converted into the streaming format and the scheduler data which is control information of the streaming data to the relay terminal 400 through the host server 200 to the Internet network; Receiving the streaming format data and the scheduler data from the relay terminal 400 and reproducing the data in real time through the media player 401 according to the interpretation of the scheduler data or storing the data in a storage medium and then reproducing the data 33; Converting data reproduced by the AV output generator 402 into a broadcast video signal (34); Transmitting the converted audio / video stream data to a television of an individual viewer via a wired broadcasting network (35); It characterized in that it comprises, Internet broadcast transmission in this manner can provide the content to more viewers in the same server and dedicated line environment.

Description

Method for transmission of internet contents using cable broadcasting network and its system

The present invention is a method for transmitting a real-time Internet broadcast using a wired broadcast network, the prior art of real-time Internet broadcasting was relayed through a telephone line or a dedicated line in a streaming format.

However, according to the related art, when there are many concurrent users, loads are placed on the server and the dedicated line, and thus, a screen break occurs, thereby limiting simultaneous viewers to a certain number of people. In addition, although a variety of video files, music files, Internet broadcast content, etc. that are transmitted through the Internet are produced and spread in large quantities, there is a lack of effective means for storing and using them.

An object of the present invention to solve the above problems is to decode the digital signal delivered to the Internet to the analog video signal for broadcasting and then distribute it to the modulator to be delivered to a plurality of individual viewers through the wired broadcasting network, which is supplied through the Internet The present invention provides a method for smoothly viewing various Internet contents regardless of the number of connected users, and at the same time storing and recycling the Internet contents.

1 is a schematic configuration diagram for implementing an internet broadcast transmission method according to an embodiment of the present invention;

2 is a block diagram of a relay station terminal of the present invention;

3 is a flowchart illustrating a method for transmitting Internet broadcasts according to an embodiment of the present invention.

The configuration of the present invention to achieve the above object,

In the method of transmitting an Internet broadcast, after transmitting the content through the Internet and receiving the content through a modem, it is characterized in that it comprises the step of decoding the content and providing it to the user via a modulator to a cable broadcasting network. .

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, in the present invention, voice, video, text, etc. are converted into a form suitable for transmission through the Internet, and are provided to a user accessing the Internet, and the Internet content is collectively referred to as data containing various types of information according to the subject contained therein. In particular, as these Internet contents are transmitted in real time through the Internet network, so-called Internet broadcasting proceeding in the form of a broadcast program in the existing airwave broadcasting is spreading to the central area of the Internet contents.

The present invention is to provide a method for allowing a user who does not have a connection means for accessing the above-mentioned Internet broadcasts to the Internet network through the conventional television effectively, Figure 1 is an embodiment of the present invention The configuration diagram for implementing the Internet broadcasting transmission method according to the present invention is shown. Referring to the drawings will be described the configuration of the present invention.

Digital data 110 in which images, moving images, sounds, texts, and the like constituting Internet contents are stored by a database; An encoding server 210 in which the data 110 are encoded in an internet streaming format suitable for real time internet broadcasting; A host server 200 generating the Internet streaming format data output from the encoding server 210 and scheduler data related to the reproduction of the streaming data and transmitting the scheduler data to the internet network 300; A relay station 400 for receiving data in an internet streaming format transmitted from the host server 200, converting the data into a television audio / video stream format, and interpreting the scheduler data by a built-in control program; A modulator 500 for converting the converted audio / video stream data into an RF stream having a band of frequencies recognizable by a general television; And the television 600 of the viewer that receives the RF stream output from the modulator 500 and reproduces it. It consists of. Here, reference numeral 120, which is not described, indicates a transmission line on an internet network, and 130 indicates a wired line using a wired cable network.

Referring to the configuration of the present invention configured as above in more detail as follows.

Various data 110 such as video, video, sound, and text constituting the Internet content are initially implemented in a low data format, but these analog data are converted into digital data by digital modulation. It is preferably stored in a database associated with the server.

The data 110 is encoded by the encoding server 210 in a streaming format suitable for real-time Internet broadcasting (formats such as AVI, MPEC, Real data, etc. commonly used). The encoding server includes a control program and a solution necessary for converting digital data into a streaming format. Since the technical details of the encoding process can be implemented at a conventional level, a detailed description thereof will be omitted.

Internet content converted into the streaming format through the above process is transmitted to the Internet network 300 through the host server 200. The host server 200 is connected to other host servers or individual Internet users (personal computer, PDA) connected to the Internet using the TCP / IP protocol, thereby transmitting a web page displayed on their web browser and various Interface and a connection device for transmitting and receiving the information of each other, and in particular, the relay terminal 400, which will be described later, includes a scheduler including control information related to reproduction of Internet content transmitted from the host server 200. And generate it together with the Internet content information.

The Internet content data transmitted to the Internet network 300 is received by the relay terminal 400. In order to be able to display the Internet content data on the viewer's television screen, the relay terminal 400 reproduces the data of the Internet streaming format or stores the data in the storage medium, and stores the data or the reproduced streaming format of the data. A device for converting data in a streaming format into a TV Audio / Vedio Stream format and simultaneously interpreting received scheduler data according to a built-in control program, the detailed configuration of which is shown in FIG. same.

2 is a schematic diagram of a relay terminal and a system provided therein, and the configuration of the relay terminal 400 according to the present invention includes a media player 401 for playing content data in an internet streaming format received through an internet network. ), An AV output generator 402 that converts the output of the media player 401 into an audio / video stream for television,

Thereafter, the audio / video stream data converted through the AV output generator 402 is converted to a modulator 500 and a modulator for converting the audio / video stream data into a radio frequency stream having a frequency band recognizable by a general television. The power is amplified so that the RF stream output from the television can be output from the television, and via the RF signal distributor 501 for distributing the signal to the signal input terminal of the television 600 of each viewer.

Here, it is preferable that the relay terminal 400 has a connection means for connecting to the Internet network and uses a conventional computer having a monitor capable of displaying a web page transmitted from the host server 200 through a web browser. The media player 401 is a program for reproducing content data (data formats such as AVI, MPEC, Real data, etc.) in an internet streaming format, and is a Microsoft Windows Media Player (Window Media Player). It is possible to use a known streaming player such as, and although not shown in the figure, a storage medium (hard disk or the like) for storing data in streaming format is provided.

On the other hand, the above-described AV output generator 402 is a device for converting digitized streaming data into an analog state and inputting it to a television. Since the AV output generator 402 is used universally, its detailed configuration will be omitted.

As a result, the relay terminal 400 according to the present invention installs the media player 401 software to a conventional personal computer having a connection means capable of connecting to the Internet network using the TCP / IP protocol, and then the conventional AV output generator ( It is preferable to implement the form 402 to be mounted inside the computer.

In addition, in the present invention, the transmission line of the signal from the relay terminal 400 to the television 600 of the viewer via the modulator 500 and the RF signal distributor 501 is a coaxial cable (coaxial) that is commonly used in a wired communication network. cable).

Hereinafter, each step of the Internet transmission method using the wired relay broadcasting network of the present invention described above will be described in detail.

Internet transmission method using a wired relay broadcasting network of the present invention,

The encoding server 210 converting the digitized video, sound, and text data into data in a streaming format (31); Transmitting (32) the data converted into the streaming format and the scheduler data which is control information of the streaming data to the relay terminal 400 through the host server 200 to the Internet network; Receiving the streaming format data and the scheduler data from the relay terminal 400 and reproducing the data in real time through the media player 401 according to the interpretation of the scheduler data or storing the data in a storage medium and then reproducing the data 33; Converting data reproduced by the AV output generator 402 into a broadcast video signal (34); Transmitting the converted audio / video stream data to a television of an individual viewer via a wired broadcasting network (35); Characterized in that it comprises a, each step will be described in detail with reference to FIG.

3 is a flow chart illustrating a method according to the present invention.

1) the encoding server 210 converting the digitized video, sound, and text data into data in a streaming format (31);

As the encoding server 210 according to the present invention converts a variety of video, sound, text data 110 of the database linked with the server 210 to the data of the streaming format for real-time transmission to the Internet network, The data 110 is encoded by the encoding server 210 in a streaming format suitable for real-time Internet broadcasting (formats such as AVI, MPEC, Real data, etc.).

2) transmitting the data converted into the streaming format and the scheduler data, the control information of the streaming data, to the relay terminal 400 by transmitting the scheduler data to the Internet network through the host server 200;

The host server 200 transmits the data converted into the streaming format by the encoding server 210 to the relay station 400 through the internet network 300. In addition, the host server 200 additionally generates scheduler data related to reproduction of data transmitted from the host server 200 and transmits the data to the relay station terminal 400 along with the data converted into a streaming format. .

Here, the scheduler data is transmitted together with the streaming data to the computer of the relay terminal 400, the streaming data to be played through the media player of the relay terminal 400 or their URL and information about the date / time to be played It is a data file with.

3) Receiving the streaming format data and the scheduler data from the relay terminal terminal 400 and reproducing the data in real time through the media player 401 according to the interpretation of the scheduler data or storing the data in a storage medium and then reproducing the data (33). );

Through the media player 401 of the relay terminal 400, content data of an Internet streaming format received through the Internet network is reproduced in real time, or stored in a storage medium without being reproduced in real time, and then transmitted later. Reproducing the received streaming data according to the scheduler data information.

According to an embodiment of the present invention, the method of playing the data in the streaming format received through the media player in the relay terminal may operate in two modes, one of which receives the data transmitted to the relay terminal in real time. Real-time streaming data, which is different from the real-time streaming data to be reproduced, is stored in the storage medium of the relay terminal, and then stored in accordance with the control of the scheduler data received from the host server. There is a Store and Play mode.

Referring to the flow of data processing by the mode selection in the relay terminal 400 in more detail as follows.

The relay terminal 400 receives the streaming data and the scheduler data transmitted from the host server 200, and then searches 331 the contents of the received scheduler data. At this time, the search and analysis of the scheduler data is performed by a control program installed in advance in the relay terminal 400. In an embodiment of the present invention, the search is performed by a control program written through a web programming language such as JAVA language. And an interpretation is performed.

Thereafter, the control program compares the retrieved scheduler data with previously received scheduler data (332). The above comparison compares the version of the scheduler data transmitted from the host server and the existing scheduler data. If the versions are inconsistent with each other, the scheduler data is again downloaded from the host server 200 (333), and the versions match each other. Then, the control program checks (334) the current time of the state where the relay terminal is running. Then, the schedule information corresponding to the current time identified from the information included in the scheduler data is searched (335). The schedule information has reproduction mode information (real time streaming data reproduction mode or stored and broadcast mode) for the received streaming data and name or URL address of the streaming data to be reproduced, and the control program stores the above mode from the scheduler data. And data 336 to be reproduced.

Next, according to the confirmed playback mode, in the real time streaming data playback mode, the data specified in the schedule information is received from the host server 200 in real time and played back through the media player 401 (337), and in the stored and broadcast mode In operation 338, the data specified in the schedule information is stored in the storage medium of the relay terminal 400. If the stored streaming data specifies the reproduction of the data in which the schedule information is stored according to the interpretation of the scheduler data which is subsequently transmitted, the designated data is reproduced 338 by the media player 401.

In this case, the broadcast mode after storing according to the embodiment of the present invention may reproduce the broadcast stored in the relay terminal 400 or continuously receive streaming data from the Internet network during the non-playback time, thereby storing a large amount of data. It can store and continuously provide content data with excellent image quality and sound to viewers without data traffic problems on the Internet.

Thereafter, the data that has been played by the media player 401 is converted 34 into an audio / video stream for television by the AV output generator 401.

4) converting data reproduced by the AV output generator 402 into a broadcast video signal (34);

Converting the data of the Internet streaming format into the TV Audio / Vedio Stream format through the above-described AV output generator 402.

5) transmitting the converted audio / video stream data to an individual viewer's television via a wired broadcasting network (35);

The converted audio / video stream data is converted into an RF stream having a band of frequency that can be recognized by a general television in the modulator 500, and is output. The RF signal divider 501 is output from the modulator. Power amplifying the RF stream so that it can be output from a television, and simultaneously distributing the amplified RF stream to a signal input of each viewer 600, wherein the RF signal distributor 501 is configured to It is preferred that it is made of a conventional public hearing facility distributor that distributes the signal to a television.

Although the Internet transmission method using the wired relay broadcasting network of the present invention has been described with reference to the drawings revealed so far, the present invention is not limited by the embodiments and drawings described in the present specification, and those skilled in the art within the technical scope of the present invention. It will be apparent to those skilled in the art that various modifications can be made.

The effect of the present invention having the configuration as described above is that the user can receive the Internet content through a wired network to a general TV, many users with a relatively low performance server and a small capacity leased line compared to the Internet broadcasting through a general Internet network The content can be provided to the user, and the Internet broadcast content can be provided to those who are not used to the Internet.

In addition, since it is possible to store and reproduce the Internet content received at the relay station terminal, it is a very advanced invention that enables the effective recycling of the Internet content is growing exponentially.

Claims (7)

In the Internet broadcasting transmission method, after transmitting the content via the Internet and receiving the content through a modem, decoding the content and providing the user to the cable broadcasting network through the modulator to the user Internet broadcast transmission method. The method of claim 1, The encoding server 210 converting the digitized video, sound, and text data into data in a streaming format (31); Transmitting (32) the data converted into the streaming format and the scheduler data which is control information of the streaming data to the relay terminal 400 through the host server 200 to the Internet network; Receiving the streaming format data and the scheduler data from the relay terminal 400 and reproducing the data in real time through the media player 401 according to the interpretation of the scheduler data or storing the data in a storage medium and then reproducing the data 33; Converting data reproduced by the AV output generator 402 into a broadcast video signal (34); Transmitting the converted audio / video stream data to a television of an individual viewer via a wired broadcasting network (35); Internet broadcast transmission method comprising a. The method of claim 2, Receiving the streaming format data and the scheduler data from the relay terminal 400 and reproducing the data in real time through the media player 401 according to the interpretation of the scheduler data or storing the data in a storage medium and then reproducing the data 33; Is The relay terminal 400 receives the streaming data and the scheduler data transmitted from the host server 200, retrieves the contents of the received scheduler data 331, and retrieves the contents by the control program embedded in the relay terminal 400. When the scheduler data is compared with the existing scheduler data received (332), and the scheduler data transmitted from the host server and the version of the existing scheduler data are inconsistent with each other, the scheduler data is downloaded from the host server 200 (333). If the versions coincide with each other, the control program checks the current time in the state where the relay terminal is being performed (334), and retrieves schedule information corresponding to the current time checked from the information included in the scheduler data (335). Confirming the mode and the data to be reproduced from the scheduler data (336); According to the live mode, the data specified in the schedule information is transmitted from the host server 200 in the playback mode in the live mode and played back through the media player 401 (337). Is stored in the storage medium of the relay terminal 400 (338), and the stored streaming data is reproduced 338 by the media player 401 according to the interpretation of the scheduler data which is subsequently transmitted. Internet broadcast transmission method. In a normal Internet broadcast transmission system, Digital data 110 in which images, moving images, sounds, texts, and the like constituting Internet contents are stored by a database; An encoding server 210 in which the data 110 are encoded in an internet streaming format suitable for real time internet broadcasting; A host server 200 generating the Internet streaming format data output from the encoding server 210 and scheduler data related to the reproduction of the streaming data and transmitting the scheduler data to the internet network 300; A relay station 400 for receiving data in an internet streaming format transmitted from the host server 200, converting the data into a television audio / video stream format, and interpreting the scheduler data by a built-in control program; A modulator 500 for converting the converted audio / video stream data into an RF stream having a band of frequencies recognizable by a general television; And the television 600 of the viewer that receives the RF stream output from the modulator 500 and reproduces it. Internet broadcast transmission system, characterized in that consisting of. The method of claim 4, wherein The relay terminal 400 may include a media player 401 for playing content data of an internet streaming format received through an internet network, and an AV output generator 402 for converting an output of the media player 401 into an audio / video stream for television. Internet broadcast transmission system comprising a. The method according to any one of claims 4 to 5, RF signal splitter 501 which receives the RF stream output from the modulator 500 and amplifies the power so that it can be output on a television, and distributes the amplified RF stream to a signal input terminal of each viewer 600. Internet broadcast transmission system characterized in that it further comprises. The method of claim 6, The RF signal distributor (501) is the Internet signal transmission system, characterized in that the RF signal distributor (501) is a public hearing facility distributor for distributing the signal to the television of multiple viewers.