KR100361316B1 - Character and voice simultaneous broadcasting system and method based on network - Google Patents

Abstract

The present invention simultaneously broadcasts text and voice information from a central center to a plurality of networked display boards and broadcasting terminals connected to a network, and the electronic display boards and broadcasting terminals of each branch respectively receive and output text and audio for audiovisual display. The present invention relates to a network-based text / voice simultaneous broadcasting system and a simultaneous broadcasting transmission method using an electronic signboard that can be guided. A center text / voice broadcast apparatus 1 for simultaneously transmitting voice and voice, a text / audio broadcast receiver 2 at a point for receiving simultaneous text / voice broadcasts at multiple points in a remote location, and a center and remote By providing a network-based text / voice simultaneous broadcasting system and simultaneous broadcasting transmission method consisting of a frame relay network (3) connecting multiple points, You can solve the limitations and difficulties of concentration in the middle of a remote transmission problems.

Description

Network-based text / voice simultaneous broadcasting system and method of simultaneous broadcasting transmission {Character and voice simultaneous broadcasting system and method based on network}

The present invention relates to a network-based text / voice simultaneous broadcasting system and a simultaneous broadcasting transmission method for simultaneously broadcasting text and voice information to a plurality of remote locations and receiving them at each remote location. It is possible to obtain the audio-visual transmission effect of the signboard by enabling the synchronous output of text and voice through a plurality of connected point signboards and broadcasting terminals.

In general, the electronic signboard displays the traffic environment and the like on the highway in text and simple graphics, and also displays the stadium, stock quotes, and exchange rate information of the bank book.

Although the conventional electronic signboard system mainly provides information in the form of texts and graphics, it is difficult to overcome the limitations of use because it does not implement voice and synchronous broadcasting, and provides synchronous broadcasting service through visual as well as hearing. I'm not doing it.

In addition, the conventional electronic display system is a one-to-one (point-to-point) serial connection method, which has difficulty in central management with distance limitation in remote transmission, and in order to synchronize text and voice signals, High bandwidth networks are required.

As described above, due to the problems described above, the text / voice synchronous broadcasting through the electronic display board is not realized.

An object of the present invention can perform a variety of audio-visual display and guidance functions by simultaneously broadcasting the text and voice to a plurality of point billboards and broadcast terminals connected to the network to improve the conventional technical problems as described above. The present invention provides a network-based text / voice simultaneous broadcasting system and a simultaneous broadcasting transmission method.

It is another object of the present invention to transmit text / voice information to a text / voice broadcasting receiver of a branch by varying a transmission path according to signal characteristics of text information and voice information, and then synchronize the display board and the broadcasting terminal of the branch. By adopting the method, it is possible to overcome the distance limiting factor in the long-distance transmission, to facilitate the centralized management, to synchronize the text signal and the voice signal without increasing the traffic, and does not require the high bandwidth network and the line integration It will also help you get the benefits.

1 is a system block diagram of the present invention.

2 is a reference diagram for explaining the information flow of the present invention.

Figure 3a is a reference diagram showing a character / voice simultaneous broadcasting operation algorithm of the present invention.

3b is a flow chart of a character / voice production server of the present invention;

Figure 3c is a flow chart of the electronic board built-in program of the present invention.

4 is a reference diagram showing a control command format of the present invention.

5a and 5b is a reference diagram showing a control command flow between the production server and the sign board of the present invention.

Explanation of symbols on main parts of drawings

1. Center text / voice broadcasting device 11. Text / voice production department

12. Main broadcasting processor 13. Center speaker

14. Center Ethernet Hub 15. Center Fred

16. Network switch 17. Center scoreboard

18. Text / voice server. 19. Center Ethernet LAN

20. Announcer microphone

2. Branch text / voice broadcasting receiver 21. Branch Fred

22. Text / voice board 23. Broadcasting terminal

24. Branch Speaker 25. Branch Ethernet Hub

26. Branch Display Board 27. Branch Ethernet LAN

3. Frame relay network

According to the present invention, a center text / voice broadcast for simultaneously broadcasting text and voice information to a point display board and a broadcast terminal of a plurality of point text / voice broadcast receivers connected to a frame relay network, which is a long distance network, can realize the above object. And a point text / voice broadcast receiving device for receiving text and voice information transmitted from the center text / voice broadcasting device and simultaneously broadcasting text / voice information, and the center text / voice broadcasting device, It is characterized by a network-based text / voice simultaneous broadcasting system, which is composed of a frame relay network (remote network) that performs a long-distance network connection between branch text / voice broadcasting receivers.

Another feature of the present invention is a download mode of a control operation for transmitting a broadcast document to a plurality of point billboards in a center text / voice broadcasting apparatus prior to actual voice broadcasting performed by the point text / voice broadcasting receiving apparatus, and the point text / voice broadcasting. It is a real broadcast mode of the control operation that simultaneously outputs text / voice to the electric signboard and the broadcasting terminal at the point of actual broadcasting of the broadcasting receiver, and the display mode which controls to repeatedly display the advertisement contents embedded in the signboard in the absence of broadcasting. It is a network-based text / voice simultaneous broadcasting transmission method.

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

1 and 2 are block diagrams illustrating the system configuration of the network-based text / voice simultaneous broadcasting system of the present invention.

In the present invention, a plurality of point text / voice broadcasting receivers 2 connected to a center text / voice broadcasting apparatus 1 and a frame relay network 3, which is a long-distance network, and the center text / voice broadcasting apparatus 1 And a frame relay network 3 that connects the branch text / voice broadcast receiver 2 to a mutual long-distance network.

In addition, the center text / audio broadcast apparatus 1 receives a voice signal from the broadcast announcer microphone 20 as shown in FIG. 2 and transmits the audio signal to the broadcast terminal 23 on the side of the point text / audio broadcast receiver 2 at each point. The main broadcasting processing unit 12 and the center speaker 13, which are responsible for amplifying the voice before sending, and the character / voice production unit of the center, which assists the announcer in writing the manuscript and generates the text / voice synchronization information (11). And a text / voice making server 18 which transmits the text information generated by the text / voice producing unit to the center Ethernet LAN 19 and controls the point display board 26 of the text / voice broadcasting receiving apparatus 2. ), A center Ethernet hub 14 which connects the center display board 17 and the center fred 15 to the center Ethernet LAN 19, and voice outputs of the center Ethernet LAN 19 and the main broadcasting processor 12. To convert the center fred to frame relay network (3) 15 and a network switch 16 for controlling the interconnection between the center fred 15 and the branch fred 21 of the plurality of text / voice broadcast receivers 2.

The point text / voice broadcast receiving device 2 separates the text / voice signal from the frame relay packet transmitted from the center text / voice broadcasting device 1 through the frame relay network 3, and the text information is converted to the point Ethernet. The branch Fred 21 transmits the voice information to the branch board 26 through the hub 25 and the branch Ethernet LAN 27, and directly transmits the voice information to the broadcasting terminal 23, and transmits the character information separated from the packet to the branch Ethernet LAN. It consists of a point sign board 26 for receiving the text information received through the 27 and the point speaker 24 for outputting the voice information.

In addition, the text / voice as shown in FIG. 3A is simultaneously displayed on the point display board 26 of the broadcast production text / voice production server 18 of the center text / voice broadcasting apparatus 1 and the point text / voice broadcasting reception apparatus 2. Broadcast transmission program is provided

This is a download mode 104 of a control operation in which a center text / voice broadcast apparatus 1 transmits a broadcast document to a plurality of point billboards 26 before the actual voice broadcast performed by the point text / voice broadcast receiver 2. ) And the real broadcast mode 110 of a control operation for simultaneously outputting text / voice to the point display board 26 and the broadcast terminal 23 during the actual broadcast of the point text / voice broadcast receiving device 2 and the time zone without broadcasting. It includes a display mode 114 for controlling to repeatedly display the advertising content embedded in the point sign board 26.

The download mode 104 checks whether or not the preparation of the broadcast original content and the preparation for transmission are completed in the broadcast production text / voice production server 18 of the center text / audio broadcasting device 1 (step 101), and the preparation is completed. And converting each point billboard 26 to the download mode (step 102), and transmitting each of the broadcast documents to the point billboard 26 when the point billboard 26 is switched to the download mode (step 103). .

The live broadcast mode 110 switches the point display boards 26 to the live broadcast mode in the text / voice production server 18 of the center text / audio broadcast apparatus 1 (step 105), and broadcast voice and The synchronization information is generated and transmitted to the point sign board 26 (step 106), and the point sign board 26 obtains the message contents to be displayed on the point sign board 26 from the buffer according to the received sync information (step step). 107) and outputs voice and text information to the point speaker 24 and the point display board 26 through the broadcast terminal 23 at the same time (step 108) and checks whether or not the broadcasting is completed (step 109). Returning to the display mode or switching to the display mode 114.

The display mode 114 switches the operation mode of the point billboard 26 to the display mode when the broadcast is completed in the real broadcast mode 110 (step 111), and calls the advertisement contents of the point billboard 26 at the center. And repeating display until there are (steps 112 and 113).

1 and 2, the character / voice production unit 11 of the center character / voice broadcasting apparatus 1 includes a monitor and an announcer microphone (on the side of a broadcasting production character / voice production server 18). 20), the broadcast contents produced with the center display board 17 through the center Ethernet hub 14 and the center speaker 13 through the main broadcasting processing unit 12 and the text / voice broadcast contents while monitoring the point display board 26. To produce.

In addition, the text / voice production unit 11 generates text / voice synchronization information in a text form through the broadcast production text / voice production server 18 to perform real-time transmission and other exception processing through a data channel of a network. .

The character / voice production server 18 of the character / voice production unit 11 has an electric signboard remote control and a real broadcast mode 110 at each point through a text / voice simultaneous broadcast transmission method as shown in FIGS. 3A and 3B. 114, the switching between the download modes 104 and the status check of the billboard.

The text information and voice information produced by the text / voice production unit 11 may be broadcast by switching the point signboard 26 of the point text / voice broadcast receiving device 2 to the download mode 104 by the operator's control of the center. Send text information. Prior to the actual broadcast, the text information is transmitted to the center fred 15 through the center ethernet hub 14 and the center ethernet LAN 19 as shown in Figs. 1 and 2, and then through the frame relay network 3, the branch text / It is stored in the point display board 26 on the side of the voice broadcasting receiver 2. The voice information and the synchronization information are actually transmitted only in the real broadcast mode 110 in which the actual broadcast takes place. The voice information is amplified through the main broadcast processor 12 and then sent to the center fred 15. As shown in FIG. Information is sent to the center fred 15 through the center ethernet hub 14.

The center fred 15 has a small transmission time delay for the voice channel input, so that the real time processing is easy. However, if a large amount of information is sent to a plurality of points, the transmission time delay may occur. Only the minimum amount of text synchronization information is sent to the voice input terminal and the data input terminal of the center fred 15, respectively, and converted into a frame relay packet, and then the point fred 21 of each point text / voice broadcasting receiver 2 is transmitted through the frame relay network 3. To be sent). At this time, the branch Fred 21 of the branch text / voice broadcasting receiver 2 separates voice and synchronization information from these packets and sends them to the broadcasting terminal 23 and the branch display board 26 of the text / voice display panel 22. The broadcast terminal 23 amplifies the received voice to an appropriate size and sends it to the branch speaker 24, and the branch display boards 26 receive the synchronization information through the branch Ethernet hub 25 and the branch Ethernet LAN 27, The contents of the text message already downloaded from the center text / voice broadcasting apparatus 1 and stored in the buffer are displayed in the electronic display board 26 and displayed synchronously on the point electronic display board 26 (steps 105 to 108).

Thereafter, the point display board 26 checks whether the live broadcast mode 110 is continued, and determines whether to continue the display mode or the live broadcast mode. When the broadcast is completed and no further broadcast is required, the spot signboard 26 goes to the signboard display mode 114 (step 109).

In the display mode 114, the display board of the point is switched to the display mode, and the display content of the display board is repeatedly displayed, and when necessary, the display board is called to deliver new advertisement content.

The text / voice production server 18 and the point sign board 26 which perform the above functions play the role of server and client, respectively, according to the operation algorithm as shown in FIG. 3A. It plays the above role while changing the operation mode to the broadcasting mode, the display mode and the like.

In the download mode 104, the text / voice production server 18 of the center checks whether the content of the broadcast original is completed or the electronic sign 26 of the spot checks whether the content of the broadcast original is ready for reception (step 101). When the preparation for the transmission of the broadcast document is completed, the point display board 26 is switched to the download mode 104 (step 102).

Subsequently, actual broadcast document transmission and exception processing are performed on the point display board 26 (step 103). At this time, the point display board 26 stores the broadcast original or message received from the center text / voice broadcasting apparatus 1 in its internal buffer for use in the real broadcast mode.

In the real broadcast mode 110, each point signboard 26 is switched to the real broadcast mode (step 105), and the broadcast voice and synchronization information are transmitted in real time from the text / voice broadcast apparatus 1 (step 106). In accordance with the received synchronization information, the message content to be displayed on the point display board 26 is taken from its internal buffer (step 107).

In addition, the character / voice information is synchronously outputted to the point speaker 24 and the point sign board 26 (step 108), and it is then checked whether to proceed to the real broadcast mode continuously. (Step 114), a normal display of character information display is performed.

That is, the display mode 114 switches the point billboard 26 to the display mode 114 (step 111), and then displays the contents of the point billboard 26 itself or the advertisement contents transmitted when downloaded from the center. Displayed repeatedly until there is a broadcast call of the center (steps 112 and 113).

In addition, the point display board 26 on the side of the text / voice broadcasting receiver 2 repeatedly displays advertisement contents in a normal state as shown in FIG. 3C, and if there is a broadcast call on the center text / voice broadcasting apparatus 1 side, the download mode is displayed. In this case, the broadcast contents are stored in the buffer, and when the broadcast is performed, the broadcast mode is performed according to the synchronization signal, and then the display mode is switched again.

Meanwhile, in order to perform the above operation, the text / voice production server 18 and the point sign board 26 of the center perform a control operation on the transmission / reception command and control flow as shown in FIG.

Each transmit / receive command includes a start code 41, a control code 42, a control number code 43, a data code 44, a length code 45, an error check code 46, and an end code 47 as shown in FIG. )

The control code 42 includes a download bit, a display bit, a sync bit, a news bit, a control command bit, and the error check code 46 includes a mode bit, a control number bit, a real data / length bit, and the like. It is included.

In the transmission / reception flow as shown in Figs. 5A and 5, when the command / signboard 4 shown in Fig. 4 is sent from the character / voice production server as the server to the point display board 26 as the client, the signboard at the client side is approved + address. It sends (ACK + IP) information and sends NAC + IP information to the server when an error occurs.

The present invention can simultaneously broadcast text and voice information through a plurality of points of electronic signs connected to a network, so that the electronic sign system can be applied to provide information of various audiovisual effects.

In addition, through the means for transmitting and integrating text information and voice information to different channels, it is possible to improve the transmission efficiency of the system, to be advantageous for the long-distance transmission of text / voice information, and to ensure the efficiency of central management.

Claims (4)

Center text / voice which simultaneously broadcasts text and voice information to the point display board 26 and the broadcast terminal 23 of a plurality of point text / voice broadcast receivers 2 connected to a frame relay network 3, which is a long-distance network. A broadcast device 1, a point text / voice broadcast receiver 2 for receiving text and voice information transmitted from the center text / voice broadcast device 1 and simultaneously broadcasting text / voice information, respectively; Network-based text / voice simultaneous, characterized in that consisting of a frame relay network (3) for performing a long-distance network connection between the center text / voice broadcast device (1) and a plurality of point text / voice broadcast receivers (2). Broadcasting system. The apparatus of claim 1, wherein the center text / voice broadcasting apparatus 1 comprises a text / voice producing unit 11 for generating text / voice synchronization information to send text / voice form information to a plurality of points. Remote network network by integrating the output of the center Ethernet hub 14 and the main broadcast processing unit 12 and the center Ethernet hub 14 to generate the voice information generated by the voice production unit 11 over Ethernet, A center fred 15 for converting into a frame relay packet for transmission to a frame relay, and a network switch 16 for controlling the center fred 15 and a plurality of branch freds 21 organically. The voice broadcasting receiver 2 receives a point relay 21 for receiving a frame relay packet transmitted from the center text / voice broadcasting apparatus 1 into text and voice information, and broadcasts the separated voice and text information. Synchronous output network-based text / voice simultaneous broadcasting system, characterized in that yirwojyeo a text / voice match unit 22 for. 3. The terminal according to claim 2, wherein the text / voice board unit 22 is connected to a voice information line of the branch fred 21 to drive the branch speaker 24, the broadcasting terminal 23 and the branch speaker 24, and the branch. Network-based text / voice simultaneous broadcasting system, characterized in that consists of a branch Ethernet hub (25) connected to the text information line of the Fred 21 and the branch signboard 26 connected to the branch Ethernet LAN (27). In the network-based text / voice simultaneous broadcasting system, a download mode 104 for transmitting a center-side broadcast document to a plurality of branch billboards 26 is performed before actual speech broadcasting performed by the branch side, and the actual broadcast of the branch billboard 26 is performed. Performs a real broadcast mode 110 of a control operation for simultaneously outputting text / voice to the time point billboard 26 and the broadcast terminal 23, and repeats the advertisement contents embedded in the point billboard 26 during a time when there is no broadcast. Network-based text / voice simultaneous broadcast transmission method, characterized in that for performing a display mode (114).