KR20070100561A - A multichannel digital broadcasting system and its method - Google Patents

Abstract

A system and a method for multichannel digital broadcasting are provided to reproduce public broadcasting and various video content files encoded as a high-quality digital file at a preset time by the input of a manager terminal user in a remote place and transmit the high-quality digital file to plural display units equipped in schools and educational institutes through a multichannel, thereby providing various multimedia contents through the multichannel at the same time. A system for multichannel digital broadcasting comprises the followings: a broadcasting management server(11) which receives and stores public broadcasting contents and various video contents with a digital file format and decodes and transmits at least one or more contents requested by a user among the stored contents to transmit the contents to a multichannel; a combiner(15) which converts at least one or more contents A/V(Audio/Video) signals, transmitted to the multichannel from the broadcasting management server, into a RF(Radio Frequency) signal and transmits the RF signal to plural display units(17); and a manager terminal(16) which controls contents uploading, broadcasting scheduling, and video contents managing by the operation of the user by remotely accessing the broadcasting management server through a TCP/IP(Transmission Control Protocol/Internet Protocol).

Description

A multichannel digital broadcasting system and its method

1 is a block diagram showing a multi-channel digital broadcasting system according to the present invention.

2 is a flowchart illustrating a video content upload method according to the present invention.

3 is a flowchart illustrating a reservation broadcast and an immediate broadcast method according to the present invention.

4 is a flowchart illustrating a schedule management method according to the present invention.

5 is a reference diagram illustrating a schedule management screen according to the present invention.

     <Description of reference numerals for main parts of the drawings>

      10: encoding server 11: broadcast management server

      12: content DB 13: decoding / transmitting unit

      14: control unit 15: conbiner

      16: manager terminal 17: display unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-channel digital broadcasting system and method. In particular, the present invention relates to a multi-channel digital broadcasting system and method for reproducing over-the-air broadcasting and various video content files encoded as high quality digital files at a time set by a user input of a remote administrator terminal. The present invention relates to a multi-channel digital broadcasting system and method for transmitting various multimedia contents in multiple channels at the same time by transmitting to a plurality of display units provided in the academy.

In general, a broadcasting system made in a school, an academy, a public office, etc. includes a video mixer, an audio mixer, and a mechanical A / V device, and the user manually manipulates the above devices. Since it is necessary to know separate operation methods and to purchase each device individually, it has been expensive to construct a broadcasting system.

In particular, in the case of the broadcasting system of a conventional school or academy, there was an inconvenience that teachers had to record and play back video tapes in order to learn and teach broadcast programs received by airwaves, comprehensive cable or satellite. And there was difficulty in file management.

In other words, teachers or broadcast students record the contents of educational broadcasts on video tapes and broadcast them in supplementary class at once, and classify and manage tapes by date, subject, and level to manage the problem of tape management. Every time a teacher or broadcasting class broadcasts, there is a problem that has to be cumbersome.

In addition, since the EBS CSAT, the downloaded files were stored in PCs and storage devices, the video contents were distributed to each class through the network, and the classroom PCs were connected to the projection TV. There was a problem in that the consumption of equipment and manpower required for downloading, classifying, distributing, and storing content increased.

The present invention has been proposed to solve the above problems, by reproducing over-the-air broadcasting and various video content files encoded in high-definition digital files at a time set by a user input of a remote administrator terminal to a school or a school in multiple channels. It is an object of the present invention to provide a multi-channel digital broadcasting system and method for transmitting various multimedia contents in multiple channels at the same time by transmitting to a plurality of display units provided.

As a technical idea for achieving the above object, the present invention receives and stores over-the-air broadcasting content and various video contents in a digital file format, and transmits one or more contents requested by a user among a plurality of stored contents in multiple channels. A broadcast management server which decodes and transmits the decoded data, a broadcaster that converts one or more content A / V signals transmitted from the broadcast management server into multiple RF signals to a plurality of display units, and transmits them to a plurality of display units; And a manager terminal that remotely communicates with the management server through a TCP / IP protocol and controls content upload, broadcast schedule, and video content management by a user's manipulation.

In addition, the broadcast management server receives the over-the-air broadcasting content and various video content in a digital file format and stores the content DB and the one or more contents requested by the user among a plurality of contents stored in the content DB. Decoding border to decode to transmit to the multi-channel, Decoding / transmitting unit for converting the decoded one or more content files into a signal format that can be transmitted, and from the contents stored in the content DB to the user's request And a control unit which simultaneously maps one or more content files to be played back to the decoding border, and controls the mapped decoding border to play back video and audio content files.

The multi-channel digital broadcast system may further include an encoding server that provides over-the-air broadcast content and various video content in a digital file format.

The encoding server may encode over-the-air broadcast content and various video content in any one of MPEG, Divx, WMV, or H.264 format.

As another technical concept for achieving the above object, the present invention includes the steps of uploading the video content stored in the manager terminal to the content DB of the broadcast management server through a manager terminal; A scheduled broadcast and an immediate broadcast of one or more video contents selected by a user among one or more video contents stored in the content DB by designating a channel under the control of the broadcast management server; And scheduling at least one video content selected by a user by date, channel, and time zone.

The uploading may include accessing the broadcast management server through the manager terminal, selecting video content to be uploaded stored in the manager terminal, and inputting corresponding video content information; Transmitting the selected video content to the broadcast management server; Storing the video content transmitted to the broadcast management server together with related information in the content DB; And displaying, by the user's selection, the related information of the video content uploaded to the content DB to the manager terminal.

In addition, the reserved broadcast and the immediate broadcast step, the step of transmitting to display the at least one video content list stored in the content DB of the broadcast management server to the manager terminal; Selecting one or more video contents to be played from the list of video contents displayed by the manager terminal and setting a broadcast format (selection of channel number / immediate broadcast or reserved broadcast); Mapping one or more channels to a decoding board for processing one or more video contents assigned to each channel if one or more channels are designated by the user; Automatically storing broadcast related information (playback time, broadcast date / time) related to the selected one or more video contents in the content DB; If the set broadcast format is broadcast immediately, the user selects one or more video contents and simultaneously plays the selected video contents through each designated channel; If the set broadcast format is a reserved broadcast, characterized in that it comprises the step of playing the selected video content at a specified date / time / channel according to the reservation information stored in the content DB.

The scheduling may include displaying a broadcast schedule management screen on the manager terminal under control of the broadcast management server when a user request is received from the manager terminal; Allocating a video content that a user wants to reserve to a corresponding timetable in the broadcast schedule management screen in the timetable format; When the timetable assignment of the reserved video content by the user is completed, grasp the current status of the scheduled broadcast and playing the video content on the reserved date / time / channel using the related information of the content DB at the scheduled time. It features.

Hereinafter, with reference to the accompanying drawings with respect to the configuration and operation of the embodiment according to the present invention.

1 is a block diagram of a multi-channel digital broadcasting system according to the present invention.

That is, the present invention provides a broadcasting management for receiving and storing over-the-air broadcasting contents and various video contents in a digital file format, and decoding and transmitting one or more contents requested by a user from among a plurality of stored contents in order to transmit them in multiple channels. A server 11 and a combiner 15 for converting one or more content A / V signals transmitted from the broadcast management server 11 into multiple RF signals into one RF signal and then transmitting the same to a plurality of display units 17. And a manager terminal 16 remotely connected to the broadcast management server 11 through a TCP / IP protocol to control content upload, broadcast schedule, and video content management by a user's operation.

In addition, the broadcast management server 11 receives the over-the-air broadcasting content and various video contents in a digital file format, and stores the content DB 12 and the plurality of contents stored in the content DB 12. A decoding border (not shown) for decoding one or more contents requested by a user for transmission in multiple channels, and a decoding / transmitting unit for converting and transmitting the decoded one or more contents files into a signal format that can be transmitted ( 13) and one or more content files to be reproduced at the request of a user among contents stored in the content DB 12 simultaneously to the decoding border, and controlling the mapped decoding border to control video and audio content. And a control unit 14 for reproducing the file.

In addition, the multi-channel digital broadcast system further includes an encoding server 10 for providing over-the-air broadcast content and various video content in a digital file format.

In addition, the encoding server 10 encodes over-the-air broadcast content and various video contents in any one of MPEG, Divx, WMV, or H.264 format.

2, 3 and 4 are flowcharts illustrating a multi-channel digital broadcasting method according to the present invention.

That is, the present invention includes accessing the broadcast management server 11 through the manager terminal 16 and uploading the video content stored in the manager terminal 16 to the content DB 12 of the broadcast management server 11; ; A scheduled broadcast and an immediate broadcast of one or more video contents selected by a user among one or more video contents stored in the content DB (12) by designating a channel under the control of the broadcast management server (11); Scheduling at least one video content selected by a user by date, channel, and time zone.

In addition, the uploading may include accessing the broadcast management server 11 through the manager terminal 16, selecting video content to be uploaded stored in the manager terminal 16, and inputting corresponding video content information (S200). )Wow; Transmitting the selected video content to the broadcast management server (S201); Storing the video content transmitted to the broadcast management server 11 in the content DB 12 together with related information (S202); And displaying information related to the video content uploaded to the content DB 12 by the manager terminal 16 by user selection (S203).

In addition, the reserved and immediate broadcasting may include transmitting and displaying a list of one or more video contents stored in the content DB 12 of the broadcast management server 11 to the manager terminal 16 (S300); After the user selects one or more video contents to be played back from the list of video contents displayed by the manager terminal 16, setting a broadcast format (select one of channel / immediate broadcast or reserved broadcast) (S301). Wow; Mapping one or more channels to a decoding board to process one or more video contents assigned to each channel if one or more channels are designated by the user (S302); Automatically storing broadcast related information (playback time, broadcast date / time) related to the selected one or more video contents in the content DB (S303); If the set broadcast format is broadcast immediately, the user selecting one or more video contents and simultaneously playing the selected video contents through each designated channel (S304); If the set broadcast format is reserved broadcast, the method may include playing the selected video content at a specified date / time / channel according to the reservation information stored in the content DB 12 (S305).

In addition, the scheduling may include displaying a broadcast schedule management screen to the manager terminal 16 under the control of the broadcast management server 11 when a user's request is made to the manager terminal 16 (S400); Allocating the video content to be reserved by the user in the broadcast schedule management screen in the timetable format (S401); After the timetable assignment of the reserved video content is completed by the user, the present invention checks the scheduled broadcasting status and plays the video content on the reserved date / time / channel using the related information of the content DB 12 at the reserved time ( S402).

Referring to Figures 1 to 5 with respect to the operation of the present invention having the configuration as described above in detail as follows.

The present invention mainly configures a supplementary class timetable using educational broadcasting in a school or academy to store digital video content downloaded from an Internet education broadcasting station at night in the content DB 12 of the broadcast management server 11 and then broadcast efficiently. After the management or the recording of an external event with a video camera or content recorded through an educational broadcast TV, the encoding server 10 encodes the digital signal with high definition and then stores the content in the content DB 12. Applies to management.

Multi-channel digital broadcasting method according to the present invention is connected to the broadcast management server 11 through the manager terminal 16 largely the content DB (12) of the broadcast management server 11 to the video content stored in the manager terminal 16; And a method of uploading one or more video contents selected by the user among one or more video contents stored in the content DB 12 under the control of the broadcast management server 11 to reserve and immediately broadcast the scheduled broadcast. And scheduling one or more video contents selected by the user by date, channel, and time zone.

First, in a state where a user usually downloads and stores educational video content from the Internet education broadcasting station to the manager terminal 16, the content DB 12 of the broadcast management server 11 stores the education video content stored in the manager terminal 16. ) Is handled as follows:

The user accesses the broadcast management server 11 through the TCP / IP protocol to the manager terminal 16, selects the video content to be uploaded stored in the manager terminal 16, and sends the corresponding video content information to the manager terminal 16. Enter

Accordingly, the selected video content is transmitted to the broadcast management server 11.

In this case, the video content transmitted to the broadcast management server 11 is stored in the content DB 12 together with related information under the control of the controller 14.

In addition, if the user wants to see the related information of the video content uploaded to the content DB 12 to the manager terminal 16, a request signal is sent to the broadcast management server unit 11 and thus the related information of the uploaded video content is sent. Under the control of the control unit 14 is transmitted to the manager terminal 16 and displayed.

On the other hand, when one or more video contents selected by the user are reserved and immediately broadcasted by designating a channel under the control of the broadcast management server 11, processing is performed as follows.

First, when a user requests a list of video contents from the broadcast management server 11 through the manager terminal 16 to find video contents to be played, the user controls the control unit 14 of the broadcast management server 11. A list of one or more video contents stored in the content DB 12 is displayed after being transmitted to the manager terminal 16.

In this case, the user may select the video content to be played from the list of video content displayed by the manager terminal 16.

Subsequently, a broadcast format to be broadcast to the plurality of display units 17 is set.

That is, the user designates the number of channels to be reproduced or the number of channels and selects whether to broadcast immediately or to reserve broadcasts.

If one or more channels are designated by the user, the controller 14 maps 1: 1 to the decoding board included in the decoding / transmitter 13 to process one or more video contents allocated to each channel under the control of the controller 14. .

For example, if four channels are designated by the user, the video content signals allocated to each channel are decoded to be mapped 1: 1 to the decoding board.

In this case, broadcast related information (playback time, broadcast date / time) regarding the selected one or more video contents is automatically stored in the content DB 12 under the control of the controller 14.

On the other hand, if the broadcast format set by the user is an immediate broadcast, when the user selects one or more video contents, a channel is designated for each video content by the decoding / transmitter 13, and then the video selected by each designated channel is displayed. Decode

One or more video contents decoded as described above are loaded on multiple channels by the decoding / transmitting unit 13 and transmitted to the combiner 15 as an A / V signal.

One or more content A / V signals transmitted in multiple channels from the decoding / transmitting unit 13 of the broadcast management server 11 are converted into a single RF signal in the combiner 15 and then a plurality of display units ( 17, the corresponding video content is displayed on each of the display units 17 according to the designated channel.

In addition, when the broadcast format set by the user is a reserved broadcast, the video content selected by the designated date / time / channel according to the reservation information stored in the content DB 12 of the broadcast management server 11 goes through the above process. The display unit 17 is displayed.

Meanwhile, the selected one or more video contents may be scheduled by the user by date, channel, and time zone as shown in FIG. 5 and processed as follows.

First, when a user's request is made to the manager terminal 16, a broadcast schedule management screen is displayed on the manager terminal 16 as shown in FIG. 5 under the control of the broadcast management server 11.

In the broadcast schedule management screen in the timetable format, the user may allocate video content to be reserved to the corresponding timetable.

For example, first, check the broadcasting status registered by reservation for each day's broadcasting class and timetable. At this time, if you select the start date of the schedule, you can see the broadcasting status of 4 days from the date.

Next, the user may select a broadcast textbook in the class time for each day and reserve or delete a registered broadcast.

When the timetable allocation of the reserved video content is completed by the user through the above process, the control unit 14 of the broadcast management server 11 checks the reserved broadcasting status and then related information of the content DB 12 at the reserved time. After playing the video content on the reserved date / time / channel through the same process as described above and displayed on the plurality of display unit 17.

As described above, according to the present invention, a plurality of display units provided in schools or academies in multiple channels by reproducing over-the-air broadcasts and various video content files encoded as high-definition digital files at a time set by a user input of a remote administrator terminal. By transmitting, there is an advantage that can provide various multimedia contents in multiple channels at the same time.

In addition, since scheduled broadcast scheduling is possible, the convenience of broadcasting management can be enhanced by broadcasting the channel on the reserved date / time by changing the channel according to the lecture (course / level), time zone, and class at the school or institute. have.

In addition, since the unmanned broadcast management can be performed through the broadcast management server, there is an advantage of simplifying the broadcast management task of the teacher or the broadcasting class students.

Claims (8)

A broadcast management server that receives and stores over-the-air broadcast contents and various video contents in a digital file format, and decodes and transmits one or more contents requested by a user from among a plurality of stored contents to be transmitted through multiple channels; A combiner for converting one or more content A / V signals transmitted from the broadcast management server into multiple RF signals into one RF signal and transmitting the same to a plurality of display units; And a manager terminal for remotely communicating with the broadcast management server through a TCP / IP protocol to control content upload, broadcast schedule, and video content management by a user's operation. The method of claim 1, wherein the broadcast management server, A content DB for receiving over-the-air broadcasting content and various video contents in a digital file format and storing the same with additional information; A decoding border having a decoding border for decoding one or more contents requested by a user from among a plurality of contents stored in the contents DB for transmission in multiple channels, and converting the decoded one or more contents files into a signal format for transmission; Transmission unit, A controller for simultaneously mapping one or more content files to be reproduced by a user's request among the contents stored in the content DB to the decoding border, and controlling the mapped decoding border to play the video and audio content files. Multi-channel digital broadcasting system comprising a. The method of claim 1, The multi-channel digital broadcast system further comprises an encoding server for providing over-the-air broadcast content and various video content in a digital file format. The method of claim 3, The encoding server is a multi-channel digital broadcast system, characterized in that for encoding over-the-air broadcast content and various video content in any one of the format of MPEG, Divx, WMV or H.264. Accessing a broadcast management server through a manager terminal and uploading video content stored in the manager terminal to a content DB of the broadcast management server; A scheduled broadcast and an immediate broadcast of one or more video contents selected by a user among one or more video contents stored in the content DB by designating a channel under the control of the broadcast management server; Scheduling one or more video content selected by the user by date, channel, time zone. The method of claim 5, wherein the uploading step: Accessing the broadcast management server through the manager terminal, selecting the video content to be uploaded stored in the manager terminal, and inputting corresponding video content information; Transmitting the selected video content to the broadcast management server; Storing the video content transmitted to the broadcast management server together with related information in the content DB; And displaying, by the user terminal, the related information of the video content uploaded to the content DB by the user's terminal. The method of claim 5, wherein the scheduled broadcast and the immediate broadcast, Transmitting and displaying a list of one or more video contents stored in a content DB of the broadcast management server to the manager terminal; Selecting one or more video contents to be played from the list of video contents displayed by the manager terminal and setting a broadcast format (selection of channel number / immediate broadcast or reserved broadcast); Mapping one or more channels to a decoding board for processing one or more video contents assigned to each channel if one or more channels are designated by the user; Automatically storing broadcast related information (playback time, broadcast date / time) related to the selected one or more video contents in the content DB; If the set broadcast format is broadcast immediately, the user selects one or more video contents and simultaneously plays the selected video contents through each designated channel; And reproducing the selected video content at a specified date / time / channel according to the reservation information stored in the content DB when the set broadcast format is a reserved broadcast. The method of claim 5, wherein the scheduling step, Displaying a broadcast schedule management screen on the manager terminal under the control of the broadcast management server when a user request is made to the manager terminal; Allocating a video content that a user wants to reserve to a corresponding timetable in the broadcast schedule management screen in the timetable format; When the timetable assignment of the reserved video content by the user is completed, grasp the current status of the scheduled broadcast and playing the video content on the reserved date / time / channel using the related information of the content DB at the scheduled time. Multi-channel digital broadcasting method.

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