KR100788875B1 - Remote control for public address sound system - Google Patents

Abstract

A remote controlling system for a public address sound system is provided to perform selective broadcasting in the whole area or a designated area to manage the public address sound system optimally. A remote controlling system for a public address sound system includes a plurality of amps(300), a plurality of speakers(400), a sound source generating unit(10), a matrix switch(30), a testing apparatus(50), a control computer(90), and a controlling apparatus(70). The matrix switch connects the output of the sound source generating unit with the combination of at least one amp and the speaker. The testing apparatus is electrically connected with the amps and the speakers, and tests the amps and the speakers. The control computer sets the combination of the amp and the speaker according to the input information of a broadcasting menu, and generates a connection control signal of the combination of the amp and the speaker according to the setting. The controlling apparatus transmits an output signal of the testing apparatus to the control computer, and drives the matrix switch according to the connection control signal of the combination of the amp and the speaker of the control computer. The broadcasting setting menu of the control computer includes a broadcasting menu and a sub broadcasting menu. The broadcasting menu includes morning broadcasting, lunch broadcasting, finishing broadcasting, and emergency broadcasting. The sub menu includes broadcast state check, broadcast state change, broadcast subscription, broadcasting by grades, and overall broadcasting. When the broadcast state check or the broadcast state change is selected, the testing apparatus is driven and detects the states of the amp and the speaker which are displayed on the control computer. When the emergency broadcasting is selected, the predetermined channel is put in the first priority.

Description

Remote sound device control system {Remote control for public address sound system}

1 is a block diagram schematically showing the configuration of an acoustic control system according to an embodiment of the present invention;

2 is a view for explaining driving by selecting a broadcast menu displayed on a display of a control computer 90 according to an embodiment of the present invention.

3 is a view for explaining driving by selecting a sub-broadcast menu displayed on a display of a control computer 90 according to an embodiment of the present invention;

4 is a view for explaining a combination of the amplifier 300 and the speaker 400 by controlling the matrix switch unit 30 in the control computer 90 according to an embodiment of the present invention;

5 is a view for explaining the output of the broadcast to a designated place on the display of the control computer 90 according to an embodiment of the present invention,

6 is a view for explaining a combination of the amplifier 300 and the speaker 400 remotely in the control computer 90 according to an embodiment of the present invention.

<Explanation of simple symbols in the main part of the drawing>

10 sound sources, 30 matrix switches,

50 circuit condition tester, 70 controller,

90 control computers, 100 audio mixers,

200 signal processing units, 300 amps,

400 speakers.

The present invention relates to a sound control system, and more particularly, to control and manage sound devices such as amplifiers and speakers used for output of broadcast voices or sounds in a large-scale facility by using an audio mixer and a matrix switch. At the same time, the present invention relates to an acoustic control system for monitoring the condition. In particular, the present invention is to provide a sound control system for automatically setting a specific amplifier and speaker according to the setting of the broadcast menu by checking the state of the amplifier and speaker.

In general, acoustic devices such as amplifiers and speakers used to output broadcasting voices or sounds are distributed and used in large-scale facilities such as schools, playgrounds, government offices, and large buildings.

In addition, these sound devices are controlled either directly or remotely by a control device or control computer via an audio mixer and a matrix switch.

In addition, the Audio Mixer amplifies and outputs a small level signal input through a channel from various sources such as CD, DVD, MP3, cassette tape, hard disk, memory, microphone, and line into a required level signal. It includes an equalizer and volume control switch.

In addition, the matrix switch freely selects the connection between the amplifier and the speaker and connects them in various combinations, thereby connecting the signal controlled and output from the audio mixer to the set amplifier and the speaker to output broadcast voice or sound.

At this time, by monitoring the state of the sound device such as the amplifier and the speaker, if there is an error, and outputs the broadcast sound using another normal amplifier or speaker.

However, there have been many constraints for centrally managing sound devices such as amplifiers and speakers distributed over large areas of large facilities such as schools, playgrounds, and public offices. In addition, due to the broadcast situation or the need of the site there was a problem that there is no method that can be transmitted other than the pre-installed method when broadcasting to a specific area.

In addition, in the case of amplifiers and speakers distributed in different places, there is a problem in that it is necessary to directly check the operating state of the amplifier and the speaker by using a circuit inspection method to check the operating state.

Accordingly, an object of the present invention is to provide a sound control system that controls and manages sound devices distributed in a large area of a large-scale facility, and at the same time detects its operation state and operates elastically.

Another object of the present invention is to provide a sound control system capable of outputting various types of sound sources only at a designated place (specific amplifiers and speakers) through an audio mixer and a matrix switch. The present invention is to provide a sound control system for automatically setting a specific amplifier and speaker according to the setting of the broadcast menu by checking the state of the amplifier and speaker.

The above and other objects, features, aspects, and advantages of the present invention will become apparent from the following detailed description in conjunction with the accompanying drawings.

Among the inventions disclosed in the present application, an outline of typical ones will be briefly described as follows.

In order to achieve the above object, the present invention provides a sound control system including an audio mixer, a signal processing device, an amplifier, and a speaker installed in a large-scale facility such as a school, a playground, a public office, or the like. A sound source for providing various audio sources such as sound; A matrix switch configured to control connection or switching of the amplifier and the speaker to amplify and output voice or sound output through the speaker; A circuit state test apparatus electrically connected to the amplifier and the speaker to check an abnormal state of the amplifier and the speaker; A control device for controlling the various devices while transmitting and receiving various data with the circuit state test device; It characterized in that it comprises a control computer for controlling various devices through the control device, and checks and manages the state.

In addition, the sound source of the present invention is any one of audio formats, audio and audio signals such as MP3 and WAV, and is supplied from any of media of CD, DVD, MP3, cassette tape, hard disk, memory, microphone and line. It is characterized by.

In addition, the amplifier and the speaker is selectively activated or deactivated according to the output of the matrix switch.

In addition, the matrix switch or the audio mixer is preferentially controlled through the serial port embedded in the controller, and the matrix switch or the audio mixer is preferentially controlled through the remote controller embedded in the controller. It features.

The control computer is equipped with a program for selecting and driving a broadcast menu displayed on a display through a keyboard or a mouse.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in all the drawings for demonstrating embodiment of this invention, the thing with the same function attaches | subjects the same code | symbol, and the repeated description is abbreviate | omitted.

1 is a block diagram schematically showing the configuration of an acoustic control system according to an embodiment of the present invention.

As shown in FIG. 1, the sound control system of the present invention includes a sound source generator 10, an audio mixer 100, a signal processing apparatus 200, a matrix switch unit 30, a circuit state test apparatus 50, The amplifier 300 includes a speaker 400, a control device 70, and a control computer 90.

In general, the sound control system is installed in a large-scale facility such as a school, a playground, a public office, and outputs an audio mixer 100, a signal processing device 200, an amplifier 300, a speaker 400, and the like for outputting broadcast voice or sound. It is included.

The sound source generator 10 generates a sound source, and provides various audio sources such as voice or sound output through the speaker 400 as one of audio formats such as MP3 and WAV, and voice and sound signals. have.

The sound source generator 10 is supplied from any one of CD, DVD, MP3, cassette tape, hard disk, memory, microphone and line.

The audio mixer 100 is connected to the sound source generation unit 10 through a plurality of channels, and adjusts the voice or sound signal converted through the plurality of signal processing apparatuses 200 to a desired size to provide a plurality of amplifiers 300. After amplifying in and outputs (broadcasts) through the speaker 400. The audio mixer 100 amplifies a voice (sound) signal generated by the sound source generator 10 or adjusts frequency characteristics. The audio mixer 100 may mix the analog signal, but may also mix the voice signal converted into a digital signal by the signal processing apparatus 200.

The matrix switch unit 30 connects or switches the amplifier 300 and the speaker 400 output through the speaker 400 to a broadcast menu, a sub broadcast menu, or a broadcast target displayed on the display of the control computer 90. Control through the menu.

That is, the matrix switch unit 30 connects the output from the audio mixer 100 to a specific amplifier and a speaker, and the mixed voice (sound) signal output from the audio mixer 100 is connected to the matrix switch unit 30. It is delivered to the specific amplifier 300 and the speaker 400 selected by the output. In other words, the matrix switch unit 30 is composed of a plurality of switches to connect a specific amplifier and a speaker by operating a switch, which is driven by a controlled control device 70 of the control computer 90. .
The amplifier 300 amplifies the voice (audio) signal received from the audio mixer 100 through the matrix switch unit 30, and includes a plurality of amplifiers (for example, the Nth (#) amplifier in the first (# 1) amplifier. N)) and the output signal of the audio mixer 100 is connected to the specific amplifiers # 1 to #N by the matrix switch unit 30.
The speaker 400 amplifies and outputs a sound signal received from the amplifier 300 and includes a plurality of speakers (eg, # 1 to #N).

The circuit state tester 50 checks whether the amplifier 300 and the speaker 400 have an abnormality or an operation state, transmits the result to the control device 70 and displays the result on the display of the control computer 90. That is, the circuit state test apparatus 50 is a test apparatus for periodically filtering the amplifiers 300 and the speakers 400 to filter out abnormal amplifiers and speakers.

The controller 70 controls various devices such as the audio mixer 100 and the matrix switch unit 30 while transmitting and receiving various data with the circuit state tester 50. In addition, a serial port and a remote controller such as RS-232C are built in, and through this, the matrix switch unit 30 or the audio mixer 100 is preferentially controlled. That is, the control device 70 controls the audio mixer 100, the matrix switch unit 30, etc. according to the control signal from the control computer 90, and controls the signal received from the circuit state tester 50 or the like. Transfer to 90.

The control computer 90 includes a microprocessor, an operating program, a storage device such as a memory or a hard disk, a keyboard, a mouse, a display, and the like, and controls the devices in accordance with various menus displayed on the display, and displays the state. Check and manage That is, the control computer 90 according to the input signal according to the selection of the various menus, and the signal received through the control device 70 from the circuit state tester 50, the audio mixer 100, the matrix switch unit 30 Generates a control signal and transmits the control signal to the control device 70, and the control device 70 controls the audio mixer 100, the matrix switch unit 30, and the like according to the control signal.

FIG. 2 is a diagram for explaining selecting and driving a broadcast menu displayed on a display of a control computer 90 according to an embodiment of the present invention.

As shown in Fig. 2, one of the morning broadcast, lunch broadcast, seed broadcast, emergency broadcast, and other broadcast menus displayed on the display of the control computer 90 is selected using a mouse or a keyboard. That is, when the broadcasting menu is set through the mouse or the keyboard, the control computer 90 receives this setting signal, which may be referred to as a broadcasting menu setting step.

Next, by the selection of the broadcast menu, the audio mixer 100 and the matrix switch unit 30 are driven to establish and activate a combination of the amplifier 300 and the speaker 400, that is, the connection or the switching. That is, when the broadcast menu is set, the control computer 90 generates the control signals of the audio mixer 100 and the matrix switch unit 30 and transmits them to the control device 70, thereby causing the control device 70 to perform the audio mixer. 100 and the matrix switch unit 30 to be driven, and accordingly, the specific amplifier 300 and the specific speaker 400 are selected according to the driving of the matrix switch unit 30. Can be.

Subsequently, the necessary amplifier 300 and the speaker 400 are connected in accordance with the state of the amplifier 300 and the speaker 400 displayed on the display of the control computer 90 to output the selected broadcast. That is, as the amplifier and the speaker are set by the control computer 90, the matrix switch unit 30 is driven according to the driving signal of the control device 70 to connect the specific amplifier 300 and the specific speaker 400. Output the selected broadcast.

FIG. 3 is a diagram for explaining selecting and driving a sub-broadcast menu displayed on a display of a control computer 90 according to an embodiment of the present invention.

As shown in FIG. 3, the sub-broadcast menu of the control computer 90 shows the state of various sound devices according to the selection of the broadcast menu. For example, when checking or changing the broadcast status is selected in the sub-broadcast menu, the circuit state tester 50 is driven to detect the states of the amplifier 300 and the speaker 400 and display them on the display of the control computer 90. Mark on. That is, when the broadcast status check or change is selected in the sub-broadcast menu, the control computer 90 receives and displays the circuit status information from the circuit state test apparatus 50 through the control apparatus 70.

In addition, it is also possible to select a first grade broadcast from the submenu to set a combination of the amplifier 300 and the speaker 400 or to output the broadcast only to a place designated through the broadcast device setting. For example, when the first grade broadcast is selected from the submenu, the control computer 90 sets a combination of the amplifier 300 and the speaker 400 related to the first grade classroom, and controls the control signal 70 for the control signal. And the audio mixer 100 and the matrix switch unit 30 are driven. In addition, when a predetermined broadcast device is set in the broadcast device setting menu, the control computer 90 sets the amplifier 300 and the speaker 400 according to the set broadcast device, and transmits a control signal thereto to the control device 70. The audio mixer 100 and the matrix switch unit 30 to be driven.

In addition, the broadcast schedule, the content, or the scheduled broadcast is selected from the sub-menu, and the sound source generator 10 selects and reproduces the sound source in the form of a sound source, for example, an audio format such as MP3 or WAV, a voice and an audio signal. . In addition, the sound source generation unit 10 selects one supplied from a medium to be reproduced, such as a CD, DVD, MP3, cassette tape, hard disk, memory, microphone, or line.

4 is a view for explaining a combination of the amplifier 300 and the speaker 400 by controlling the matrix switch unit 30 in the control computer 90 according to an embodiment of the present invention. In FIG. 4, the combination of the amplifier 300 and the speaker 400 is illustrated as an SPK group, and has a plurality of SPK groups.

As shown in FIG. 4, the audio mixer 100 electrically connected to the sound source generator 10 is connected one-to-one with the matrix switch unit 30. In addition, the output of the matrix switch unit 30 and the connection between the amplifier 300 and the speaker 4000 are 1: N (i.e., one-to-one) according to the broadcast menu or sub-broadcast menu displayed on the display of the control computer 90. It is possible to connect more or more, so the same broadcasting contents can be output to speakers distributed in a large area.

5 is a view for explaining the output of the broadcast to a designated place on the display of the control computer 90 according to an embodiment of the present invention.

As shown in FIG. 5, when selecting to broadcast the education broadcast to the first grade, second grade, and third grade of the broadcasting menu displayed on the display of the control computer 90, the sound source of the sound source generator 10 is selected. As an education broadcast, the matrix switch unit 30, the amplifier 300, and the speaker 4000 are connected to the entire classrooms of first graders, second graders, and third graders, and educational broadcasts are broadcast in all grades. That is, when selecting to broadcast the education broadcast to the first grade, second grade, and third grade in the broadcast menu, the control computer 90 transmits a corresponding control signal to the control device 70, the control device 70 Accordingly, the matrix switch unit 30 is driven so that the output of the matrix switch unit 30 is a first-grade amplifier and speaker combination (SPK1 group), a second-grade amplifier and speaker combination (SPK2 group), and a third-grade amplifier. And a speaker combination (SPK3 group).

6 is a view for explaining a combination of the amplifier 300 and the speaker 400 remotely in the control computer 90 according to an embodiment of the present invention.

As shown in FIG. 6, a combination of the amplifier 300 and the speaker 400 is set and stored using the remote menu displayed on the display of the control computer 90. That is, when the combination of the amplifier 300 and the speaker 400 is set remotely through the remote control or the control terminal, the control computer 90 receives this setting signal, which may be referred to as a remote amplifier and speaker setting step.

At this time, it is possible to check whether the state of the amplifier 300 to be set on the display of the control computer 90 is normal or abnormal through the serial port of the control device 70 or the control computer 90. That is, when the amplifier and the speaker are remotely set and the control computer 90 receives the setting signal, the control computer 90 controls the state data of the amplifier 300 set from the circuit state test apparatus 50. ), Which can be referred to as determining whether the set amplifier is normal.

In addition, in the event of an emergency situation, the control computer 90 is configured to transmit in advance to a specific channel. It is connected to the matrix switch unit 30 or the audio mixer 100 using serial communication, and is designed to transmit broadcasts with the highest priority using a specific switch. In other words, in the event of an emergency, the control computer 90 transmits a broadcast on a specific channel (specific amplifier, etc.) already established.

As mentioned above, although the invention made by this inventor was demonstrated concretely based on embodiment, this invention is not limited to the said embodiment, Needless to say that various changes are possible within the range which does not deviate from the summary.

As described above, according to the present invention, it is possible to selectively broadcast to an entire area or a designated place in a public office, a school, or the like, so that the sound control system can be operated in an optimal state. In the event of an emergency, the control computer 90 is set to transmit in advance to a specific channel, and broadcast transmission is made first and foremost, so that a public office, a school, etc. can quickly cope with an emergency.

In addition, according to the present invention, it is possible to control and manage remotely using a control device or a control computer, and simultaneously select and output various sound sources.

In addition, since abnormality of the amplifier and the speaker can be detected, there is an effect that the broadcasting disturbance caused by the malfunction of the amplifier or the speaker can be prevented in advance. In particular, the circuit state tester 50 is driven to detect and display the state of the amplifier and the speaker even when the broadcast state check is selected as well as when the broadcast state change is selected. have.

Claims (10)

Multiple amplifiers; Multiple speakers; A sound source generator 10; A matrix switch 30 connecting the output of the sound source generator 10 to a combination of one or more amplifiers and speakers; A circuit state tester (50) electrically connected to the amplifiers and the speakers to check an abnormal state of the amplifiers and the speakers; A control computer for setting a combination of the amplifier and the speaker according to the input information of the broadcast menu and generating a connection control signal of the combination of the amplifier and the speaker according to this setting; A control device 70 which transmits an output signal of the circuit state test device 50 to the control computer and drives the matrix switch 30 according to a connection control signal of a combination of an amplifier and a speaker of the control computer. In the school sound control system, The menu for broadcast setting in the control computer comprises a broadcast menu, a sub-broadcast menu, The broadcast menu is made, including morning broadcast, lunch broadcast, example broadcast, emergency broadcast, The sub menu includes at least a broadcast status check, a broadcast status change, a scheduled broadcast, a full broadcast for each grade level, and a whole grade broadcast. When the broadcast state check or the broadcast state change is selected, the circuit state test device 50 is driven to detect and display the state of the amplifier and the speaker on the control computer. When the emergency broadcast is selected, the sound control system of the school, characterized in that the broadcast is transmitted first priority to a specific channel preset in the event of an emergency. delete The method of claim 1, When the reserved broadcast is selected, it is configured to be reproduced in any one of audio format, voice and sound signal from any one of CD, DVD, MP3, cassette tape, hard disk, memory, microphone and line. A sound control system of a school characterized by. The method of claim 3, The audio mixer electrically connected to the sound source generator 10 is connected one-to-one with a matrix switch unit. The sound control system of the school, characterized in that the connection between the output of the matrix switch unit and the amplifier and the speaker according to the broadcast menu or the sub-broadcast menu. The method of claim 4, wherein A school sound control system, characterized in that the matrix switch 30 or the audio mixer 100 is preferentially controlled through the serial port built into the control device (70). The method of claim 4, wherein Sound control system of the school, characterized in that the first control by the matrix switch (30) or the audio mixer (100) via a remote control built in the control device (70). delete delete delete delete

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