KR20030068713A - Method for small theater network and DVD display broadcasting service with satellite transmission and system thereof - Google Patents

Abstract

PURPOSE: A method for serving a broadcasting service to small theaters or video/DVD viewing rooms using satellite broadcast and a system thereof are provided to economically realize a wider local service and overcome a limit on transmission bandwidth. CONSTITUTION: Information including broadcast receiving positions of small theaters or video/DVD viewing rooms capable of receiving broadcast is sent to a local control broadcasting station through a predetermined network(100). A central control broadcasting station sends broadcast contents including movie, advertisement, and news through an artificial satellite and transmits a schedule of the sent contents to the local control broadcasting station(110). The local control broadcasting station receives the contents and the schedule(120). The local control broadcasting station re-sends the contents to the small theaters or video/DVD viewing rooms according to the received schedule(130).

Description

Broadcasting service method and system for small theater or video / DVD room using satellite broadcasting {Method for small theater network and DVD display broadcasting service with satellite transmission and system}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to broadcasting via satellite, and relates to a broadcast service method and system for a small theater or video / DVD room using satellite transmission.

Conventionally, the method of delivering the movie content to the user has been to distribute or broadcast the broadcast program produced by the analog signal or video recording. In the case of content produced on DVD, it is produced and recorded digitally, but distribution is required for distribution, which is inefficient and inefficient, and accompanied by deterioration of picture and sound quality due to recording. Locally, only local services were available.

In order to broadcast the necessary contents to the end user or the end broadcasting site by using satellite broadcasting, all users must have a means of receiving satellite broadcasting, and the bandwidth required for the content transmission is limited and such bandwidth is limited. As a result, it could be difficult to deliver all the necessary content.

In addition, since the broadcast of the above content must be performed according to a schedule according to the circumstances of the broadcasting area, it is impossible to concentrate and adjust the broadcast schedule.

The technical problem to be solved by the present invention, in order to solve the above problems, to efficiently deliver regardless of the local problem in delivering movie content including DVD, while minimizing the bandwidth of satellite communication required for content transmission In addition, by providing a broadcasting service method and a system that can centrally manage the schedule of broadcasting content, it provides a system for small theaters or video / DVD rooms using satellite broadcasting that can revolutionize existing small theater services and video / DVD room services. A broadcast service method and system are provided.

1 is a flowchart illustrating a broadcast service method for a small theater or a video / DVD room using satellite transmission according to the present invention.

2 is a block diagram of a broadcast service system for a small theater or video / DVD room using satellite transmission according to the present invention.

3 is a block diagram showing the configuration of a local control broadcasting station according to the present invention.

4 shows an example of the configuration of a small theater or video / DVD room according to the present invention.

According to the present invention for solving the above technical problem, the central control broadcasting station and a plurality of local control broadcasting stations are connected to each other via a satellite or a predetermined communication network. The method of broadcasting via the method comprises the steps of: (a) transmitting information including a broadcast reception location for the small theater or video / DVD room capable of receiving a broadcast to a local control broadcasting station through which a content is transmitted through a predetermined communication network; (b) transmitting, by the central control station, broadcast content including a movie, advertisement, and news through a satellite, and transmitting a schedule on which the transmitted content is to be broadcast to the local control broadcast station through a predetermined communication network; (c) receiving, by the local control broadcasting station, the content broadcast schedule transmitted through the satellite and the content broadcast schedule transmitted through the predetermined communication network in step (a); And (d) outputting or retransmitting the received content to a small theater or video / DVD room which has transmitted the information in step (a) according to the broadcast schedule received in step (b). Characterized in that.

Broadcast service system for a small theater or video / DVD room using satellite transmission according to the present invention for solving the other technical problem, and transmits the content, including movies, advertisements, news, via satellite, the transmitted content A central control broadcasting station transmitting a signal for controlling a schedule to be broadcast through a predetermined communication network; Receives information on a place to retransmit broadcast, receives the content transmitted by the central control broadcast station via satellite, and transmits the received content to the retransmission according to a control signal transmitted by the central control broadcast station through a predetermined communication network. A local control broadcasting station that transmits information about the location to which the information has been transmitted; And a local small theater / video / DVD room for transmitting information for retransmitting a broadcast including its broadcast reception location to the local control broadcasting station, and receiving and outputting the content retransmitted by the local control broadcasting station to the user. It features.

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

Figure 1 shows the flow of a broadcast service method for a small theater or video / DVD room using satellite transmission according to the present invention, Figure 2 is a small theater or video / using satellite transmission serving the service of Figure 1 in accordance with the present invention The configuration of a broadcast service system for a DVD room is shown.

The central control broadcasting station 200 and the plurality of local control broadcasting stations 220 are connected to each other via the satellite 210 or a predetermined communication network, and the predetermined contents are stored in a predetermined small theater or video / DVD room using the system of FIG. 230).

Information including a broadcast reception location for a small theater or a video / DVD room 230 capable of receiving a broadcast is transmitted to a local control broadcasting station 220 to transmit content through a predetermined communication network (step 100). The central control broadcasting station 200 transmits broadcast contents including movies, advertisements, and news through the satellite 210, and transmits a schedule on which the transmitted contents are to be broadcast to the local control broadcasting station 220 through a predetermined communication network. (Step 110).

The local control broadcasting station 220 receives the content broadcast schedule transmitted through the satellite 210 and the content broadcast schedule transmitted through the predetermined communication network in step 100 (step 120). The local control broadcasting station 220 outputs or retransmits the received content to the small theater or the video / DVD room 230 in which the information is transmitted in step 100 according to the broadcast schedule received in step 110. Provide (step 130).

In most cases, the content to be transmitted by the central control broadcasting station 200 is image data. In this case, in order to increase the efficiency of transmitting content through the satellite 210 in the central control broadcasting station 200, it is preferable to convert the content to be transmitted into an MPEG stream and transmit the content. To this end, the central control broadcasting station 200 should include a means for converting content including image data into an MPEG stream. In addition, the content may be modulated by a predetermined method for communication at the time of transmission. The content converted into the MPEG stream is then transmitted through the satellite transmission means. This process is uplink.

MPEG stream conversion means, modulation means or satellite transmission means may be implemented using equipment that is already commercially available.

The content is transmitted to the local control broadcasting station 220 through the satellite 210. In this case, the local control broadcasting station 220 may not only exist but several. For this purpose, it is preferable that the central control broadcasting station 200 transmits or transmits a single information to a plurality of destinations at the same time by using a broadcasting method.

Local control broadcasting station 220 receives the transmitted content. This process is downlink, and the received data may be referred to as downlink data. For this purpose, the local control broadcasting station 220 should include satellite receiving means. In addition, if the received content is tampered with, it should include means for demodulating the content appropriately.

The downlinked signal may be demodulated in a satellite demodulator which is a QPSK demodulator, and the demodulated content may be transmitted or stored to the user as it is. In addition, since the demodulated signal is MPEG data, the local control broadcasting station 220 should include means for reproducing the MPEG stream or converting means. Therefore, it is preferable that the local control broadcasting station 220 decodes the received MPEG stream of the content and transmits the MPEG stream to the small theater or the video / DVD room 230.

Alternatively, if the small theater or the video / DVD room 230 includes a means or a converting means for playing the MPEG stream, the local control broadcasting station 220 does not use a separate playing or converting means, and the content received through the satellite. Is directly transmitted to the small theater or the video / DVD room 230, and the MPEG stream is played back or converted in the small theater or the video / DVD room 230. Whether or not to perform MPEG stream processing in the small theater or the video / DVD room 230 may be determined at step 100.

Information about a device configuration related to MPEG stream processing included in the small theater or the video / DVD room 230 when the information on the small theater or the video / DVD room 230 is transmitted to the local control broadcasting station 220 in step 100. And transmits the local control broadcaster 220 accordingly or partially or without processing the MPEG stream.

The above-mentioned satellite receiving means, demodulation means and MEG stream reproduction and conversion means may use commercially available devices.

After the content is sent to the local control broadcasting station 220 through the above process, the central control broadcasting station 200 transmits the information on the schedule to be broadcasted to the local control broadcasting station 220 through a communication network such as the Internet. Transmit (step 110). In this case, it may be xDSL such as ADSL, HDSL, or the like used for a communication network such as the Internet, and may use technologies such as cable network and power line network. Or it may be possible through the PSTN network.

As described above, the local control broadcasting station 220 may not only exist but a plurality of local control broadcasting stations 220 may exist. To this end, it is preferable that the central control broadcasting station 200 transmits the broadcasting schedule information using the broadcasting method.

Information on the content broadcast schedule may include the following contents.

The present invention relates to the management of screening schedules for movie broadcasting, broadcasting or advertisement screening management, broadcasting content storage server information management, file transmission server information management, and breaking news management.

Since the content to be broadcasted and the schedule for broadcasting the content are transmitted using different means, in order to ensure that the content to be broadcasted and the broadcast schedule correspond to each other, it is transmitted through the satellite 210 in step 110. The broadcast content includes recognition information for distinguishing each broadcast program including a movie, an advertisement, and news. The broadcast schedule transmitted to the local control broadcasting station 220 includes recognition information for distinguishing a program to be broadcast and a broadcast start time for each program. It is preferable to include information about the ending time, the display format for broadcasting the broadcast program.

In addition, since the broadcasted content is not received and broadcasted immediately, the local control broadcasting station 220 stores the received content using a predetermined means such as a hard disk, and then broadcasts it according to the received broadcast schedule.

However, since the urgent news or breaking news need to be broadcasted immediately, in step 110, the content of the content transmitted by the central control broadcasting station 200 includes information that is urgently broadcast. And transmit the information including the information indicating the urgency of the broadcast program corresponding to the recognition information in the broadcast schedule, and in step 120, the content to be urgently broadcasted and the broadcast schedule corresponding thereto. When received, it is preferable to output the content to the user through the small theater and the video / DVD room 230 without storing the content.

The information on the content broadcast schedule may designate the format of the screen displayed to the user. For example, the presentation form of real-time information may be displayed in a banner or ticker format on a commercial advertisement screened in a small theater and a video / DVD room 230, or a movie. The screening may be stopped and only the real time information screen may be configured and expressed. Such a thing can be implemented using commercially available broadcasting equipment.

The local control broadcasting station 220 transmits the content to the small theater and the video / DVD room 230 according to the received broadcast schedule and format so as to broadcast it to the user (step 130). The content is transmitted through the satellite, and the broadcast schedule is transmitted through a separate passage so that the bandwidth for transmitting and receiving the satellite is not used.

3 shows the configuration of the local control broadcasting station 220 in a block. The downlink coral received by the satellite receiving means is demodulated by the satellite demodulator 300 and stored as an MPEG transport stream (310). It is transmitted to the small theater or the video / DVD room 230 according to the received broadcast schedule.

In this case, reference numeral 320 may be referred to as a CATV broadcasting system. If the content transmitted via satellite is in HDTV format, reference numeral 320 will be a CATV broadcast system for HDTV.

In order to provide the above functions, the local control broadcasting station 220 includes a tuner for receiving satellite broadcasts, QPSK demodulation means for demodulating received data, means for decoding and playing received MPEG data, Means for outputting the image to the screen (means for outputting RGB signal, H / V sync signal for VGA output, YPbPr or RGB signal, H / V sync signal for HD signal output), and decoded audio signal for output Audio terminal, MPEG transport stream input / output terminal, MPEG transport stream data storage means, and a modem (eg, ADSL modem, cable modem, etc.) for connecting to a communication network such as the Internet. Of course, there must be a CPU, a memory element, and the like, which are central controllers for operating the above functions. This functionality could be implemented in a device such as a set top box.

The local small theater or video / DVD room 230 broadcasts the contents transmitted from the local control broadcasting station 220 to the user.

4 shows an example of the configuration of a local small theater or a video / DVD room. The local control broadcasting station 400 transmits the contents through the digital HDTV CATV broadcasting system 410 according to the broadcasting schedule and transmits the contents to the displays 420-1 to 420-n, which are the local small theater or the video / DVD room 230. The broadcast is shown to the user. In this case, each display is a terminal for displaying a movie, a broadcast, or an advertisement, and includes various display means such as a large high gain screen, a general monitor, and a PDP TV.

That is, the local small theater or video / DVD room 230 is a means for displaying contents including movies, news, and advertisements transmitted through the above process. The digital HDTV CATV broadcasting system 410 is shown separately for ease of description and is a component part included in the local control broadcasting station 400.

Reference numerals 430-1 to 430-n illustrate performance improvement means for improving the quality of broadcast displayed to the user. Video enhancement systems and audio enhancement systems are available.

The Video Enhancement System is designed to accept S-Video, RGB, YPbPr, Digital Video Interface (DVI), or Composite Video output signals sent to your local small theater or video / DVD room. It is a device that outputs one signal of RGB, YpbPr, DVI as digital signal by improving image quality by reducing the interval between video lines (scanning line), which is a problem when displaying a large screen, by adjusting the aspect ratio, etc. .

The Audio Enhancement System is designed to enhance the quality of the audio output. It can receive S / PDIF digital audio signals, such as Dolby AC-3, DTS, AAC, etc. It is a device that separates high-quality multi-channel surround audio signals or uses a 24-bit, 192 KHz high-quality DAC to reproduce sound quality close to the high resolution original sound.

Of course, in order to use such a performance improvement system, video and audio data included in content transmitted from the central control broadcasting station 200 should include high quality information. Through this, the screen and sound quality displayed to the user may be of high quality.

A digital amplifier 440-1 to 440-n may be included between the displays 420-1 to 420-n and each of the performance improving means 430-1 to 430-n. This digital amplifier can improve the quality of the picture or sound output to the user.

The local control broadcasting station 220 should transmit to a plurality of local small theaters or video / DVD rooms 230. Therefore, it is preferable that the local control broadcasting station 220 transmits a single information to a plurality of destinations at the same time by using a broadcasting method.

In order to manage local small theaters or video / DVD rooms 230 to be located in various places, local small theaters or video / DVD rooms 230 transmit information including the status of local broadcasting sites to the central control station 200. And means for transmitting, the central control broadcasting station 200 preferably monitors the status of the local small theater or video / DVD room according to this information. Through this, the central control broadcasting station 200 can remotely know the status of the local small theater or video / DVD room 230. At this time, the information including the status of the local small theater or video / DVD room may be transmitted to the central control broadcasting station 200 through the local control broadcasting station 220.

In any case, the information including the status of the local small theater or the video / DVD room 230 is preferably transmitted through a communication network (for example, the Internet using ADSL) through which a broadcast schedule is transmitted. Information about the small theater or the video / DVD room 230 may be transmitted through step 100 at this reference network.

In addition, for billing through the above service, the central control broadcasting station 200 includes a rate calculating means for charging each advertisement provider according to the time and frequency of broadcasting the content to be transmitted according to the broadcasting schedule. desirable.

Movie content transmission using satellite through the above service method is carried out only to the local control broadcasting station, and then transmitted to the user through the local broadcasting network such as CATV, thereby enabling more extensive regional service economically. You can overcome the limitations.

In addition, the small theater or the video / DVD room 230 does not need to be equipped with a video or DVD medium. The user selects a broadcast program, and information about the selection is transmitted to the central control station 200 through the communication network. Accordingly, if a broadcast schedule and broadcast contents are transmitted through a satellite, a kind of VOD (Video On Demand) service can be performed using the system according to the present invention.

In order to facilitate the above services, the function that the central control broadcasting station 200 should have is as follows.

The billing management should have a charge policy (rate calculation), billing data collection / purification / processing / transmission function, and management function for the terminal where the broadcast is finally sent to the user.In addition, membership registration, advertisement subscription, reference information management, Functions for operator and operator authority management such as authority management, user log management, reference information management, search condition, transaction and billing information management, subscriber management such as statistics management, advertisement subscription management, file upload function, movie screening It should have functions for management, linkage, and movie information file creation.

The function to be equipped in the local control broadcasting station 220 is as follows.

Information management, performance and fault log generation / deletion / transmission function, terminal history transmission function history management such as generation / transmission of movie screening result, remote control / transmission function for remote monitoring of local small theater or video / DVD room, Upgrade function, which is a software download / patch function that implements the above functions, and bank folder management function, which is information related to movies, bank folder management function, movie information reception function, advertisement data reception function, bank information management / transmission function, and movie information analysis Screening function, breaking news management function, such as breaking news reception / broadcast function, breaking news broadcast history generation / transmission function, etc. to provide a smooth service.

The function that the central control broadcasting station 200 and the local control broadcasting station 220 should have may be used by commercial means, and may be implemented through software means appropriately according to the functions according to the present invention. It is obvious to those skilled in the art to which the invention belongs.

Those skilled in the art will appreciate that the present invention can be implemented in a modified form without departing from the essential features of the present invention. Therefore, the disclosed embodiments should be considered in descriptive sense only and not for purposes of limitation. Examples included in the above description are introduced for the understanding of the present invention, and these examples do not limit the spirit and scope of the present invention. For example, in the above description, the Internet is mainly used as an example of a communication network, but it is also possible to use a public telephone communication network such as a PSTN, and in addition to the above examples, various embodiments according to the present invention are possible. It will be obvious to those of ordinary skill in this technical field. The scope of the present invention is shown not in the above description but in the claims, and all differences within the scope will be construed as being included in the present invention.

In addition, it can be easily understood by those skilled in the art that each of the above steps according to the present invention can be variously implemented in software or hardware using a general programming technique.

And some steps of the invention may also be embodied as computer readable code on a computer readable recording medium. The computer-readable recording medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable recording media include ROM, RAM, CD-ROM, CD-RW, magnetic tape, floppy disks, HDDs, optical disks, magneto-optical storage devices, and carrier wave (eg, Internet It also includes the implementation in the form of). The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

According to the present invention, there is provided a method of broadcasting a predetermined content through a small theater or a video / DVD room using a system in which a central control station and a plurality of local control stations are connected to each other through a satellite or a predetermined communication network. Information including a broadcast reception location for a small theater or a video / DVD room capable of receiving broadcasts is transmitted to a local control broadcast station to which content is to be transmitted through a predetermined communication network, and the central control station includes a movie, advertisement or news. The contents are transmitted through the satellites, and the schedule on which the transmitted contents are broadcast is transmitted to the local control broadcasting station through a predetermined communication network, and the contents transmitted by the local control broadcasting station via the satellite and the predetermined communication network are transmitted. Receive the broadcast schedule, according to the broadcast schedule received by the local control broadcasting station By outputting or re-transmitting content to a small theater or video / DVD room that transmits the information, satellite-based content transmission is only carried out to local control stations, and then transmitted to users through local broadcasting networks such as CATV. Economically enabled local services and overcomes the limitations of transmission bandwidth.

In the central control broadcasting station system, by collectively controlling and managing a large number of local broadcasting control center systems in a wide area through a communication network, service convenience and economic efficiency can be significantly improved.

In addition, the small theater or the video / DVD room 230 does not need to be equipped with a video or DVD medium, and depending on the application, a kind of VOD service can be achieved by using the system according to the present invention.

Claims (9)

A method of broadcasting a predetermined content through a small theater or a video / DVD room using a system in which a central control station and a plurality of local control stations are connected to each other through a satellite or a predetermined communication network, (a) transmitting information including a broadcast reception location for the small theater or video / DVD room capable of receiving a broadcast to a local control broadcasting station through which a content is to be transmitted through a predetermined communication network; (b) transmitting, by the central control station, broadcast content including a movie, advertisement, and news through a satellite, and transmitting a schedule on which the transmitted content is to be broadcast to the local control broadcast station through a predetermined communication network; (c) receiving, by the local control broadcasting station, the content broadcast schedule transmitted through the satellite and the content broadcast schedule transmitted through the predetermined communication network in step (a); And (d) the local control broadcasting station outputting or retransmitting the received content to a small theater or a video / DVD room which has transmitted the information in step (a) according to the broadcast schedule received in step (b). A broadcast service method for a small theater or video / DVD room using satellite transmission. The method of claim 1, wherein in step (b), The central control broadcasting station transmits or transmits a small theater or a video / DVD room using satellite transmission, which is transmitted by using a broadcasting method of transmitting one information to a plurality of destinations at the same time. Service method. The method of claim 1, In the step (b), the broadcast content transmitted through the satellite includes recognition information for distinguishing each broadcast program including a movie, an advertisement, and news. In the step (b), the broadcasting schedule transmitted to the local control broadcasting station includes recognition information for distinguishing a program to be broadcast, broadcasting start time, end time, and display format for broadcasting a broadcast program for each program. Broadcasting service method for small theater or video / DVD room using satellite transmission. The small theater using satellite transmission according to claim 1 or 3, wherein in step (c), the local control broadcasting station stores the received content using a predetermined means and broadcasts it according to the broadcasting schedule. Service method for video or video / DVD room. The method of claim 4, wherein When the content of the content transmitted by the central control broadcasting station includes the content that is urgently broadcasted in step (b), the identification information indicating the content is included in the content, and the content is transmitted to the broadcast program corresponding to the recognition information in the broadcast schedule. Include information indicating urgency In the step (c), if the content to be urgently broadcasted and the corresponding broadcast schedule is received, the small theater or the video / DVD room using satellite transmissions is output to the small theater or the video / DVD room without storing the content. Broadcast service method for. In a system for broadcasting a predetermined content through a satellite, A central control broadcasting station that transmits content including movies, advertisements, and news through a satellite, and transmits a signal for controlling a schedule of the broadcasted content through a predetermined communication network; Receives information on a place to retransmit broadcast, receives the content transmitted by the central control broadcast station via satellite, and transmits the received content to the retransmission according to a control signal transmitted by the central control broadcast station through a predetermined communication network. A local control broadcasting station that transmits information about the location to which the information has been transmitted; And And a local small theater / video / DVD room for transmitting information for retransmitting a broadcast including its broadcast reception location to the local control broadcasting station, and receiving and outputting the content retransmitted by the local control broadcasting station to the user. Broadcasting service system for small theater and video / DVD room using satellite transmission. The method of claim 6, The local small theater or video / DVD room transmits information including the status of the local small theater or video / DVD room to the central control broadcasting station; And the central control broadcasting station monitors the state of the local small theater or video / DVD room according to this information. The method according to claim 6 or 7, The central control broadcasting station comprises a rate calculating means for charging each advertisement provider according to the time and frequency of broadcasting the movie content to be transmitted in accordance with the broadcast schedule in a small theater or video / DVD room using satellite transmission. For broadcast service system. The method of claim 6, The central control broadcasting station converts the content to be transmitted into an MPEG stream and transmits it. And the local control broadcasting station decodes the received MPEG stream of the content and transmits the MPEG stream to a local small theater or a video / DVD room.