KR100788014B1 - Broadcasting signal transmission system and method - Google Patents

Abstract

The present invention relates to a broadcast signal transmission system and method which is redundantly configured, comprising: a main transmission terminal and a preliminary transmission terminal for transmitting an audio signal for broadcast output and a console control signal for console control; Receives an audio signal for broadcast output transmitted from the main transmitting terminal and the preliminary transmitting terminal, respectively, and is one of an audio signal output from the main transmitting terminal and an audio signal output from the preliminary transmitting terminal according to an audio selection control signal received from the outside. An audio signal selection device for selecting and transmitting an audio signal to an outside; Receive the console control signal for console control from the main transmitting terminal and the preliminary transmitting terminal, respectively, based on whether the failure of the main transmitting terminal and the preliminary transmitting terminal and the current audio signal selection state data of the audio signal selection device; A relay control device which transmits a console control signal of a terminal in which a failure does not occur among the received console control signals to the outside, and transmits an audio selection control signal corresponding to the console control signal selection of the terminal to the audio signal selection device; And a console device receiving the console control signal transmitted from the relay control device and receiving the audio signal transmitted from the audio signal selection device, and outputting the corresponding audio signal for external broadcasting according to the console control signal. Broadcast signal transmission system comprising a; Characterized in that it comprises a.

Description

Broadcast signal transmission system and method {BROADCASTING SIGNAL TRANSMISSION SYSTEM AND METHOD}

1 is a block diagram showing a broadcast signal transmission system of the prior art.

2 is a block diagram showing a broadcast signal transmission system according to an embodiment of the present invention.

FIG. 3 is a block diagram showing the inside of an audio signal selection device forming a broadcast signal transmission system according to an embodiment of the present invention. FIG.

4 is a signal flowchart of a relay control device constituting a broadcast signal transmitting system according to an embodiment of the present invention;

5 is a flowchart illustrating a processor of a central processing unit configuring a broadcast signal transmission system according to an embodiment of the present invention.

6 is a view showing a state data determination process in an audio signal selection apparatus of a broadcast signal transmission system according to an embodiment of the present invention.

The present invention relates to a broadcast signal transmission system and method, and more particularly, to a duplex broadcast signal transmission system in which each terminal transmits an audio signal and a console control signal by being dually configured as a main transmission terminal and a preliminary transmission terminal. Determines whether the signal transmitting terminal of the terminal is in a normal state, and determines which audio signal transmitted from both terminals is currently provided to the console device, and controls the console device with the console control signal transmitted with the corresponding audio signal from the terminal. In addition, the present invention relates to a broadcast signal transmission system and method capable of quickly switching to a preliminary transmission terminal when a failure of a main transmission terminal occurs, thereby minimizing a broadcast accident by preventing a failure occurring during transmission of a broadcast signal.

In the conventional broadcast signal transmission system, as shown in FIG. 1, an audio signal and a console control signal for controlling a console device to which the corresponding audio signal is transmitted are transmitted from the main transmission terminal 1, and a preliminary transmission terminal 2 is provided. ), Only the audio signal is transmitted.

In detail, the audio signals transmitted from the first and second signal transmission terminals 1 and 2 are transmitted to the audio signal selection device 3, and any one of the audio signals transmitted from the audio signals is selected so that the console device ( 4) is delivered.

On the other hand, the console control signal transmitted from the main transmission terminal 1 is transmitted to the console device 4 to allow the main transmission terminal 1 to directly control the console device (4).

The conventional redundant broadcasting signal transmitting system is automatically switched to the audio signal transmitted from the preliminary transmitting terminal 2 when a failure occurs in the audio signal transmitted from the main transmitting terminal 1, but not the console control signal.

That is, the audio signal is automatically switched by the audio signal selection device 3, but the control authority for controlling the console device 4 has only the main transmission terminal 1 for transmitting the console control signal. The problem is that you can't control the console.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and its purpose is to provide a dual broadcast signal transmission system in which each terminal transmits an audio signal and a console control signal by duplexing a main transmission terminal and a preliminary transmission terminal. Determines whether the signal transmitting terminal of the terminal is in a normal state, and determines which audio signal transmitted from both terminals is currently provided to the console device, and controls the console device with the console control signal transmitted with the corresponding audio signal from the terminal. Accordingly, the present invention also provides a broadcast signal transmission system and method capable of quickly switching to a preliminary transmission terminal in the event of a failure of the main transmission terminal, thereby minimizing a broadcast accident by preventing a failure occurring during broadcast signal transmission.

Broadcast signal transmission system and method according to an aspect of the present invention for achieving the above object comprises a main transmission terminal 10 and a preliminary transmission terminal 20 for transmitting an audio signal for broadcast output and a console control signal for console control; Receives the audio signal for broadcast output from the main transmission terminal 10 and the preliminary transmission terminal 20, respectively, and outputs the audio signal and the preliminary output from the main transmission terminal 10 according to the audio selection control signal received from the outside. An audio signal selection device 30 which selects one audio signal among audio signals output from the transmission terminal 20 and transmits the selected audio signal to the outside; Receive console control signals for console control transmitted from the main transmission terminal 10 and the preliminary transmission terminal 20, respectively, whether the main transmission terminal 10 and the preliminary transmission terminal 20 has a failure and the audio signal On the basis of the current audio signal selection state data of the selection device, the console control signal of the terminal which does not occur among the received console control signals is transmitted to the outside, and the audio selection control signal corresponding to the console control signal selection of the selected device is recalled. A relay control device 50 for transmitting to the audio signal selection device; And a console for receiving the console control signal transmitted from the relay control device 50 and the audio signal transmitted from the audio signal selection device 30, and outputting the corresponding audio signal for external broadcasting according to the console control signal. Device 40; Characterized in that it comprises a.

Preferably, the relay control device 50 includes a main console control signal receiving unit 53 for receiving a console control signal transmitted from the main transmitting terminal 10; A preliminary console control signal receiving unit 54 for receiving a preliminary console control signal transmitted from the preliminary transmitting terminal 20; Selector state analysis for receiving the state data of the audio signal selector 30 from the audio signal selector 30 and analyzing the state data to determine the current audio signal selection state of the audio signal selector 30. Part 55; And receiving respective console control signals from the main console control signal receiving unit 53 and the preliminary console control signal receiving unit 54, and identifying the states of the main transmitting terminal and the preliminary transmitting terminal through the respective console control signals. According to the audio signal selection device analysis from the selection device state analysis unit 55, the current audio signal transmission state is identified and the control signal transmission for transmitting the console control signal received from the terminal device in the normal state to the corresponding console device 40. part; Characterized in that it comprises a.

On the other hand, in the broadcast signal transmission method according to another aspect of the present invention, the main transmission terminal 10 and the preliminary transmission terminal 20 outputs the audio signal for broadcast output and the console control signal for console control, the audio signal selection device ( In the broadcast signal transmission method for switching the corresponding audio signal to the console device 40 for external broadcasting in (30), (a) the relay control device 50 is the main transmission terminal 10 and the preliminary transmission terminal 20 Receiving respective console control signals sent from the terminal and determining whether the console control signals are in a normal state; (b) If the relay control device 50 is the console control signal sent from the main transmission terminal 10 or the preliminary transmission terminal 20 is normal, any one of the relay control device 50 is an audio signal selection device ( Transmitting an audio selection control signal to the audio signal selection device (30) to select one of the main or preliminary audio signals; (c) corresponding terminals 10 and 20 for transmitting one of the selected main and preliminary console control signals to the console device 40 and transmitting the corresponding console signals through whether the relay control device 50 is in the normal state; Controlling the console device 40; (d) The relay controller 50 receives and analyzes state data of the audio signal selector 30 from the audio signal selector 30 to determine the current audio signal output state of the audio signal selector 30. Grasping and transmitting the console control signal of the transmitting terminal corresponding to the output situation to the console device 40; Characterized in that it comprises a.

Preferably, the step (d) may include: reading, by the relay control device, audio signal selection state data from the audio signal selection device; Determining, by the relay controller, a current audio signal output state of the audio signal selection device through the audio signal selection state data; And transmitting, by the relay control device, the console control signal of the transmitting terminal corresponding to the audio signal output state of the audio signal selection device to the console device. Characterized in that it comprises a.

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

Hereinafter, the present invention is duplex consisting of a main transmission terminal and a preliminary transmission terminal, each terminal to send an audio signal and a console control signal in the redundant broadcast signal transmission system to determine whether the signal transmission terminal of both sides is normal, By determining which audio signal transmitted from the terminal is currently provided to the console device and controlling the console device with the console control signal transmitted along with the corresponding audio signal from the terminal, and also in the event of a failure of the main transmission terminal In the present invention, a broadcast signal transmission system and method capable of minimizing broadcast accidents by preventing a failure occurring when a broadcast signal is transmitted by being able to be quickly switched to the present invention will be described as preferred embodiments, but the technical idea of the present invention is limited or limited thereto. Is modified by those skilled in the art. That it may be practiced. FIG.

FIG. 2 is a block diagram showing a broadcast signal transmitting system according to an embodiment of the present invention, FIG. 3 is a block diagram showing the inside of an audio signal selecting apparatus constituting the broadcast signal transmitting system according to an embodiment of the present invention, and FIG. Is a signal flow diagram of a relay control device constituting a broadcast signal transmission system according to an embodiment of the present invention, Figure 5 is a flow chart of the processor of the central processing unit constituting the broadcast signal transmission system according to an embodiment of the present invention, 6 is a diagram illustrating a state data determination process in an audio signal selection device of a broadcast signal transmission system according to an embodiment of the present invention.

The broadcast signal transmission system to which the present invention is applied includes a main transmission terminal 10, a preliminary transmission terminal 20, an audio signal selection device 30, a console device 40, and a relay control device 50.

Referring to Figure 2 in more detail with respect to the broadcast signal transmission system and method according to an embodiment of the present invention, the main transmission terminal 10 transmits an audio signal and a console control signal, and similarly to the preliminary transmission terminal ( 20) also transmits an audio signal and a console control signal.

The respective audio signals transmitted from the primary and preliminary transmission terminals 10 and 20 are transmitted to the audio signal selection device 30.

As shown in FIG. 3, the audio signal selection device 30 to which the audio signals are transmitted includes a main control unit 31, a power supply unit 32, a main audio signal receiving unit 33, a preliminary audio signal receiving unit 34, and a signal. And a selector 35 and a key input unit 36.

The main audio signal receiving unit 33 receives a main audio signal transmitted from the main transmitting terminal 10, and the preliminary audio signal receiving unit 34 receives a preliminary audio signal transmitted from the preliminary transmitting terminal 20. do.

The signal selector 35 receives each of the main audio signal and the preliminary audio signal from the main audio signal receiver 33 and the preliminary audio signal receiver 34.

At this time, the signal selection unit 35 is based on the audio selection control signal transmitted from the control signal transmitting unit 56 of the relay control device 50 to be described later audio unless the disturbance of the corresponding main audio signal and the preliminary audio signal The signal is selected and sent to the console device 40.

The main control unit 31 detects the audio signal reception of the main audio signal receiving unit 33 and the preliminary audio signal receiving unit 34, and also provides a control signal transmitting unit 56 (refer to FIG. 4) detects an audio selection control signal transmitted to the audio signal selection device 30, and the signal selection unit 35 selects one of the main audio signal and the preliminary audio signal according to the corresponding audio selection control signal. Select to control the output.

In addition, the key input unit 36 is provided with function keys for the user to execute and set various functions and modes, and the main control unit 31 for function data for executing a function corresponding to a key pressed by the user. To send.

The main control unit 31 detects the function data transmitted from the key input unit 36 and transmits the function data to the signal selection unit so that the signal selection unit 35 performs a function loaded on the function data together with the signal selection. 35).

Finally, the power supply unit 52 includes all units constituting the audio signal selection device 30, that is, a preliminary audio signal receiver 33, a main audio signal receiver 34, a signal selector 35, and a key input unit 36. ) And the main control unit 31 supply power so as to smoothly perform the respective functions described above.

Meanwhile, the console control signals transmitted from the main transmission terminal 10 and the preliminary transmission terminal 20 are transmitted to the relay control unit 50 so that one audio signal selected by the audio signal selection device 30 is transmitted. It is used as a console control signal to control 40.

As illustrated in FIG. 4, the relay controller 50 receiving the console control signals includes a central processor 51, a power supply 52, a main console control signal receiver 53, a preliminary console control signal receiver 54, The selector state analyzing unit 55, the control signal sending unit 56, the key input unit 57, and the display unit 58 are configured.

First, the main console control signal receiving unit 53 receives a console control signal transmitted from a main transmitting terminal, and the preliminary console control signal receiving unit 54 receives a console control signal transmitted from a preliminary transmitting terminal and the control signal. Transfer to the delivery unit 56.

The selector state analyzer 55 receives the state data of the audio signal selector 30 from the audio signal selector 30, reads the corresponding state data received from the audio signal selector 30, and outputs the audio. The signal selection device 30 analyzes which of the main transmission terminal 10 and the preliminary transmission terminal 20 selects an audio signal transmitted from the transmission terminal to the console device 40.

Subsequently, according to a result of analyzing the state data of the selection device 30, the control signal transmitter 56 is connected to each main console control signal from the main console control signal receiver 53 and the preliminary console control signal receiver 54. The console device 40 receives the preliminary console control signal, and transmits the console control signal transmitted by one of the terminals according to whether the preliminary console control signal is transmitted or not, depending on whether the signal is disconnected among the main and preliminary transmitting terminals 10 and 20. Will be delivered to

The central processing unit 51 detects whether each of the main console control signal receiving unit 53 and the preliminary console control signal receiving unit 54 has received a console control signal transmitted from the main transmitting terminal and the preliminary transmitting terminal, and each of the consoles. The control signal receivers 53 and 54 transmit the detected corresponding console control signals to the control signal transmitter 56.

In addition, when the selector state analyzer 55 analyzes the state data of the audio signal selector 30 transmitted from the audio signal selector 30, the CPU 51 selects the corresponding audio signal selector 30. The control signal transmitter 56 receives an audio selection control signal and transmits an audio selection control signal to the control signal transmitter 56 by detecting a state data analysis result of the audio signal selection device. 30).

The key input unit 57 is provided with function keys for the user to execute and set various functions and modes, similarly to the key input unit 36 in the audio signal selection device 30, and corresponds to a key pressed by the user. The function data for causing a function to be executed is transmitted to the central processing unit 51.

The display unit 58 is a console control signal for controlling the console device 40 that occurs in the relay control unit 50, that is, the console control signal transmitted from any one of the current main and preliminary transmission terminals 10 and 20. It provides visual information so that a user who executes and sets various functions and modes can know whether the console device 40 is controlled by which of the main transmission terminal and the preliminary transmission terminal.

The power supply unit 52 is included in the relay control device 50 to supply power required for each unit to perform the above-described function.

Function of the relay control device 50 according to the present invention will be described with reference to FIG.

First, the relay controller 50 receives a console control signal transmitted from the main transmission terminal 10 and determines whether the relay control apparatus 50 is in a normal state. (S1, S2)

As a result of the determination in step S2, if the console control signal from the main transmission terminal 10 is normal, the relay controller 50 transmits an audio selection control signal to an audio signal selection device 30 to select the audio signal. The device 30 performs a step of selecting a main audio signal (S4).

Subsequently, the main transmission terminal 10 transmitting the selected main console control signal to the console device 40 through whether the relay control device 50 is in the normal state may transmit the corresponding console signal to the console device 40. (S6, S8, S9)

In addition, the relay controller 50 receives and analyzes the state data of the audio signal selector 30 from the audio signal selector 30 (S7).

On the other hand, if it is determined in the step S2 that the console control signal from the main transmission terminal 10 is not in a normal state, determining whether the console control signal from the preliminary transmission terminal 20 is in a normal state. (S3)

If the console control signal from the preliminary transmission terminal 20 is normal, the relay control device 50 transmits an audio selection control signal to the audio signal selection device 30 to select the audio signal. In operation S5, the device 30 selects a preliminary audio signal.

Subsequently, the preliminary transmission terminal 20 which transmits the preliminary console control signal selected by the relay control device 50 through the normal state to the console device 40 and transmits the preliminary console control signal is the console device 40. (S6, S8, S9).

In addition, the relay controller 50 receives and analyzes the state data of the audio signal selector 30 from the audio signal selector 30 (S7).

On the other hand, if it is determined in step S2 that the preliminary console control signal is not normal, the process proceeds to step S2 of determining whether the console control signal from the main transmission terminal 10 is normal again. , Then repeat the steps.

The step S7 will be described in more detail with reference to FIG. 6.

First, the relay controller 50 reads the state data of the audio signal selector 30 from the audio signal selector 30 (S10).

Thereafter, the relay controller 50 determines the current audio signal output state of the audio signal selection device 30 through the state data of the audio signal selection device 30. (S11)

Finally, the relay control device 50 transmits the console control signal of the transmission terminal corresponding to the audio signal output state of the audio signal selection device 30 identified through the corresponding state data to the console device 40. (S12)

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited to the drawing.

As described above, the broadcast signal transmission system and method according to the present invention determine whether each signal transmission terminal is in a normal state in the main and preliminary signal transmission terminals for transmitting audio signals and console control signals, By determining which terminal the audio signal transmitted from the terminal is provided to the console device, by controlling the console device with the console control signal transmitted along with the audio signal from the terminal, to prevent the occurrence of signal transmission to minimize the broadcast accident It can be effective.

Claims (4)

In the broadcast signal transmission system which is duplex composed of a main transmission terminal and a preliminary transmission terminal, A main transmission terminal 10 and a preliminary transmission terminal 20 for transmitting audio signals for broadcast output and console control signals for console control; Receives the audio signal for broadcast output from the main transmission terminal 10 and the preliminary transmission terminal 20, respectively, and outputs the audio signal and the preliminary output from the main transmission terminal 10 according to the audio selection control signal received from the outside. An audio signal selection device 30 which selects one audio signal among audio signals output from the transmission terminal 20 and transmits the selected audio signal to the outside; Receive console control signals for console control transmitted from the main transmission terminal 10 and the preliminary transmission terminal 20, respectively, whether the main transmission terminal 10 and the preliminary transmission terminal 20 has a failure and the audio signal On the basis of the current audio signal selection state data of the selection device 30, the console control signal of the terminal that does not occur among the received console control signals is transmitted to the outside, and the audio selection control corresponding to the selection of the console control signal of the user is transmitted. A relay control device (50) for transmitting a signal to the audio signal selection device; And The console device for receiving the console control signal transmitted from the relay control device 50 and the audio signal transmitted from the audio signal selection device 30, and outputs the audio signal for external broadcasting in accordance with the console control signal 40; Broadcast signal transmission system comprising a. The method of claim 1, The relay control device 50, A main console control signal receiving unit 53 for receiving a console control signal transmitted from the main transmitting terminal; A preliminary console control signal receiver configured to receive a preliminary console control signal transmitted from the preliminary transmitting terminal; A selection device state analysis unit 55 for receiving state data of the audio signal selection device from the audio signal selection device and analyzing the state data to determine a current audio signal selection state of the audio signal selection device; And Receive each console control signal from the main console control signal receiving unit and the preliminary console control signal receiving unit, and through the respective console control signal to determine the state of the main transmitting terminal and the preliminary transmitting terminal and from the selection device state analysis unit A control signal transmitter 56 for determining a current audio signal transmission state according to the audio signal selection device analysis and transmitting the console control signal received from the terminal in the normal state to the corresponding console device; Broadcast signal transmission system comprising a. The main transmission terminal 10 and the preliminary transmission terminal 20 output an audio signal for broadcast output and a console control signal for console control, and switch the corresponding audio signal in the audio signal selector 30 to control the external broadcast device. A broadcast signal transmission method for transmitting to (40), (a) the relay control device 50 receiving the respective console control signals transmitted from the main transmission terminal 10 and the preliminary transmission terminal 20 and determining whether or not it is in a normal state; (S1, S2, S3) (b) The relay control device 50 receives any one of the console control signals transmitted from the main transmission terminal 10 or the preliminary transmission terminal 20 and selects audio from the audio selection device 30. Transmitting a control signal to select one of the main and preliminary audio signals by the audio signal selection device 30 (S4 and S5); (c) a corresponding terminal 10 or 20 that transmits one of the selected main or preliminary console control signals to the console device 40 by transmitting the corresponding console signal through whether the relay control device 50 is in the normal state; Controlling the console device 40; (S6, S8, S9) (d) The relay controller 50 receives and analyzes state data of the audio signal selector 30 from the audio signal selector 30 to determine the current audio signal output state of the audio signal selector 30. Grasping and transmitting a console control signal of a transmitting terminal corresponding to the corresponding output situation to the console device 40; (S7). The method of claim 3, wherein In step (d), Reading, by the relay control device, audio signal selection state data from the audio signal selection device (S10); Determining, by the relay controller, a current audio signal output state of the audio signal selection device through the audio signal selection state data (S11); And Transmitting, by the relay control device, the console control signal of the transmitting terminal corresponding to the audio signal output situation of the audio signal selection device to the console device (S12); Broadcast signal transmission method comprising a.

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