KR20240100656A - Audio device using speaker selector and artificial intelligence audio system using that device - Google Patents

Abstract

Provided is an audio device using a speaker selector, which comprises: a DA converter (110) for converting an input digital signal into an analog signal; a plurality of amplifiers (120) for amplifying the converted analog signal; a speaker selector (130) for controlling input and output of the amplified analog signal; a plurality of speakers (140) for outputting the amplified analog signal as a sound; an inspection unit (150) for inspecting an internal line state in real time; and a control unit (160) for controlling the speaker selector (130) and the inspection unit (150) based on an input signal. According to the present invention, the audio device using a speaker selector and an artificial intelligence audio system using the same have the effect of quickly detecting a short circuit of a line or an output abnormality of a speaker through an inspection unit for inspecting an internal line state in real time.

Description

Audio device using speaker selector and artificial intelligence audio system using that device {Audio device using speaker selector and artificial intelligence audio system using that device}

The present invention relates to an audio device using a speaker selector and an artificial intelligence audio system using this device. More specifically, it is possible to connect a plurality of speakers to a speaker selector and output the converted audio signal to each speaker, This relates to an audio device that can change the wiring of internal lines in real time through settings and control, and a system that can respond to special situations that occur inside a school or building by applying artificial intelligence to this device.

In general, a speaker selector is a device that receives output from one or more connected amplifiers and outputs output by selecting one or more speakers among a plurality of connected speakers. Since the output speaker can be freely selected, it has the advantage of being able to implement various sound effects according to need. there is.

Related inventions include “Audio Broadcasting Control System” in Korean Patent Publication No. 10-0609408 and “Divergent Broadcasting System Using Digital Matrix Amplifier and Control Method” in Korean Patent Publication No. 10-1017018, and Korean Patent Publication No. 10-1017018. No. 10-2013-0060781, “Multiple Broadcasting System Using Full Matrix Method Between Power Amplifiers and Speakers,” and “Mixing Console Using Three-dimensional Matrix Circuit,” published in Republic of Korea Patent Publication No. 10-1406266, have been proposed and disclosed.

The “audio broadcasting control system” of the Republic of Korea Patent Publication No. 10-0609408 not only controls an audio mixer located in a remote location using an audio broadcasting control system installed on a personal computer, but also diversifies audio sources, that is, sound sources. An invention regarding a system that can control volume level adjustment and output path together from a remote location was proposed, and in Korean Patent Publication No. 10-1017018, “Divergent Broadcasting System Using Digital Matrix Amplifier and Its Control Method,” a digital master By connecting the system PC to the controller through a network, controlling each module equipment through the digital master controller, and checking the operating status, each independently installed broadcasting device, for example, school broadcasting device, auditorium broadcasting device, audiovisual room broadcasting device, and gymnasium in the case of schools An invention has been proposed regarding a system and control method that can perform monitoring and volume control for broadcasting devices, etc., and set a preset volume value using a one-touch button.

In addition, in the Korean Patent Publication No. 10-2013-0060781, “Multiple Broadcasting System Using Full Matrix Method Between Power Amplifiers and Speakers”, if the audio wiring between the relay group and the speakers needs to be changed, the actual line or device must not be changed. An invention has been proposed regarding a system that can be changed to the desired purpose simply by manipulating the settings screen of the management computer, and the “mixing console using a three-dimensional matrix circuit” in Korean Patent Publication No. 10-1406266 contains various settings necessary for audio mixing. Not only can it be performed in an analog manner from the console itself, but it can also be performed simply and precisely digitally using the communication function of the control PC, and the input and output status of the audio signal can be monitored and remotely controlled through the control PC. An invention regarding a device that can

Republic of Korea Patent Publication No. 10-0609408 (July 28, 2006) Republic of Korea Patent Publication No. 10-1017018 (2011. 02. 16) Republic of Korea Patent Publication No. 10-2013-0060781 (2013. 06. 10) Republic of Korea Patent Publication No. 10-1406266 (2014. 06. 03)

An audio device using a speaker selector according to the present invention and an artificial intelligence audio system using this device,

The purpose is to present an audio device that can quickly detect short circuits in the line or abnormal output of the speaker, and realize various sound effects by adjusting the output.

The purpose is to present a system that can quickly respond to special situations that occur within a school or building using the audio device and artificial intelligence.

An audio device using a speaker selector according to the present invention and an artificial intelligence audio system using this device are intended to achieve the above objectives,

DA converter that converts the input digital signal into an analog signal; A plurality of amplifiers that amplify the converted analog signal; A speaker selector that controls the input and output of the amplified analog signal; A plurality of speakers that output the amplified analog signal as sound; An inspection unit that checks the internal track condition in real time; a control unit that controls the speaker selector and the inspection unit by an input signal; An audio device using a speaker selector is presented, which includes a.

At this time, the audio device using the speaker selector is characterized by being configured to include a line arrangement unit that is controlled by the control unit and can rearrange the internal lines.

In addition, a voice recognition unit that recognizes voices by receiving sounds collected from a plurality of microphones installed in a school or building; An image receiver that receives images captured by a plurality of cameras installed in a school or building; an analysis unit that analyzes the audio and video to recognize special situations; a selection unit that selects one of the pre-stored comments according to the type and location of the recognized special situation; a transmission unit that transmits the selected message to one or more speakers among a plurality of speakers installed in a school or building; We present an artificial intelligence audio system using an audio device using a speaker selector, characterized in that it includes.

An audio device using a speaker selector according to the present invention and an artificial intelligence audio system using this device,

The inspection department, which checks the condition of the internal lines in real time, has the effect of quickly detecting short circuits in the line or abnormal output of the speaker.

Equipped with a speaker selector that controls the input and output of analog signals and a line arrangement unit that can rearrange the internal lines, it is possible to realize various sound effects by adjusting the output of the audio signal.

By analyzing voices and recorded images collected inside a school or building, special situations are recognized, appropriate comments are selected, and transmitted to the audio device, resulting in the ability to quickly respond to special situations occurring within a school or building. did.

1 is a configuration diagram of an audio device using a speaker selector according to the present invention.
Figure 2 is a detailed configuration diagram of some of the audio devices using the speaker selector according to the present invention.
Figures 3a and 3b are examples showing how the output channel corresponding to the input channel is changed by rearranging the internal lines of the line arrangement unit of the audio device using the speaker selector according to the present invention.
Figure 4 is a system configuration diagram of an artificial intelligence audio system using an audio device using a speaker selector according to the present invention.
Figure 5 is a flowchart showing a process in which an artificial intelligence audio system using an audio device using a speaker selector according to the present invention learns a special situation.

The present invention connects a plurality of speakers 140 to the speaker selector 130, outputs the converted audio signal to each speaker 140, and allows the wiring of the internal line to be changed in real time through settings and control. Regarding device 100,

As shown in Figure 1,

DA converter 110 that converts the input digital signal into an analog signal; A plurality of amplifiers 120 that amplify the converted analog signal; A speaker selector 130 that controls the input and output of the amplified analog signal; A plurality of speakers 140 that output the amplified analog signal as sound; An inspection unit 150 that checks the internal track condition in real time; and a control unit 160 that controls the speaker selector 130 and the inspection unit 150 by an input signal. It is characterized by being composed of a.

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

The audio device 100 has a plurality of input channels, up to 16 channels, and has the same number of output channels as the number of input channels, and each input channel corresponds to one of the plurality of output channels.

That is, a plurality of input channels can be divided into input CH1, input CH2, input CH3, etc. according to the order of arrangement, and a plurality of output channels can be divided into output CH1, output CH2, output CH3, etc. according to the order of arrangement, The basic configuration is that input CH1 corresponds to output CH1 and input CH2 corresponds to output CH2, so that the audio signal received through input CH1 is output to output CH1.

At this time, since the audio signal input to the input channel is a digital signal and the output channel can output an analog signal, the DA converter 110 converts the input digital signal into an analog signal, thereby converting the plurality of signals related to the output channel. Enable sound to be output from the speakers 140.

In addition, the audio device 100 can receive an audio signal through a storage medium such as Ethernet, wireless communication, or USB, and the DA converter 110 can convert it into an analog signal and output it. The amplifier 120 amplifies each converted analog signal regardless of the input method, allowing the amplified sound to be output from the plurality of speakers 140.

In addition, the amplifier 120 may be additionally equipped with a 10, 20, or 30W module depending on output requirements.

As shown in FIG. 2, the sound amplified by the amplifier 120 is output from the plurality of speakers 140, and before the sound reaches the speakers 140, the speaker selector 130 is connected to the plurality of speakers. (140) By controlling the input and output of each speaker, sound is controlled to be output from all of the plurality of speakers 140 or sound is output from only some of them.

In addition, the inspection unit 150 inspects the connection status of all lines connected from the amplifier 120 through the speaker selector 130 to the speaker 140 and the output status of the speaker 140 in real time to determine the line As soon as a short circuit or an abnormality in the output of the speaker 140 is discovered, the user, etc. is made aware through the generation of a notification sound and the transmission of a notification message, so that the user can take action accordingly.

However, when the output of some or all of the plurality of speakers 140 is limited by the speaker selector 130, the speaker selector 130 is connected to some speakers 140 or all speakers 140 whose output is limited. Since this is short-circuited, the inspection unit 150 transmits a signal to the speaker selector 130 so that the temporary short-circuit of the line caused by the speaker selector 130 is not judged to be a short-circuit of the line due to damage, failure, etc. or an output abnormality of the speaker 140. It is preferable that it is configured to receive input and output control signals together.

In addition, the audio device using the speaker selector according to the present invention rearranges the lines inside the audio device 100 so that the output channel corresponding to each of the plurality of input channels can be changed, as shown in FIGS. 3A and 3B. It is characterized by being configured to include a possible line arrangement unit 170.

The line arrangement unit 170 rearranges the lines inside the audio device 100 so that the input channel of the digital signal is the same but the output channel of the analog signal is changed according to the input signal by the user, and accordingly, the plurality of input Among the channels, output CH1 corresponding to input CH1 may be changed to another output channel such as output CH2, and accordingly, a plurality of output channels may correspond to one input channel.

The control unit 160 is a known device called a CPU (Central processing unit), and controls the speaker selector 130 according to an input signal from the user to transmit the amplified analog signal to a plurality of speakers ( 140) can be controlled to be transmitted to all of them, can be controlled to be transmitted to only some of them, and can be controlled not to be transmitted to all of the plurality of speakers 140.

In addition, the control unit 160 controls the inspection unit 150 to determine the connection status of all lines connected from the amplifier 120 to the speaker 140 via the speaker selector 130. It is possible to check the output status of the speaker 140 in real time, and by controlling the line arrangement unit 170, the input channel of the digital signal is the same, but the output channel of the corresponding analog signal is It can be changed or duplicated.

At this time, it is preferable that the control of the speaker selector 130 and the line arrangement unit 170 by the control unit 160 is performed only when an input signal is generated by the user, but the user controls the output by the speaker selector 130. Channel selection and output channel change by the line arrangement unit 170 can be set to be performed automatically in real time or at regular intervals, and control of the inspection unit 150 by the control unit 160 is performed based on the input signal by the user. It is desirable that it be performed automatically, in real time or at regular intervals, without relying on the user's control.

In addition, the audio device 100 is configured to determine the output limit situation of some or all of the plurality of speakers 140 by the speaker selector 130, the state of the line by the inspection unit 150, and the line arrangement unit ( 170) may be configured to include a display unit that displays the rearrangement status of the line, etc. on the screen, and the user can check the operating status of the audio device 100 by referring to the screen of the display unit.

With the above configuration, the audio device 100 can implement various sound effects by distributing a plurality of speakers 140 in the same place, such as a theater or hall, and distributing them in different places, such as inside a school or building. By doing so, the same broadcasts, notifications, etc. can be output in all places, different broadcasts, notifications, etc. can be output in each place, and broadcasts, notifications, etc. can be selectively output in only some places.

In addition, the present invention relates to an artificial intelligence audio system (200) that can respond to special situations that occur in a school or building by applying artificial intelligence to an audio device that uses the speaker selector (130),

As shown in Figure 4,

A voice recognition unit 220 that recognizes voices by receiving sounds collected from a plurality of microphones 210 installed in a school or building; An image receiver 240 that receives images captured by a plurality of cameras 230 installed in a school or building; an analysis unit 250 that analyzes the voice and the video to recognize special situations; a selection unit 260 that selects one of the pre-stored comments according to the type and occurrence location of the recognized special situation; A transmission unit 270 that transmits the selected message to one or more speakers 140 among a plurality of speakers 140 installed in a school or building; It is characterized by being composed of a.

First, the voice recognition unit 220 removes noise included in the sound collected from the plurality of microphones 210 and separately extracts only the voice included in the sound, and the analysis unit 250 analyzes the extracted voice. Enables recognition of special situations, and the image receiving unit 240 receives images captured in real time by the plurality of cameras 230, thereby enabling the analysis unit 250 to recognize special situations by analyzing the images. .

Therefore, it is preferable that the plurality of microphones 210 and the plurality of cameras 230 are distributed in various places such as each building within a school or building, a playground, and a walking trail, but the microphones 210 and the cameras 230 must be placed in the same place. ) does not need to be installed at the same time, and when transmitting the collected sound and captured video, the unique number of the microphone 210 from which the sound was collected and the unique number of the camera 230 that captured the video are transmitted together. This ensures that the location where a special situation occurs can be immediately identified when necessary.

At this time, special situations refer to various situations that require prompt resolution as they may result in damage to life or property due to situations such as acts of violence, fires, theft of goods, or damage to property that may occur within a school or building.

The analysis unit 250 analyzes the extracted voice and captured video to recognize special situations. More specifically, it recognizes words, sentences, etc. expressed by the extracted voice, and recognizes the meaning of each word or sentence, so that the voice By inferring the situation at the collected location and recognizing the behavior of the person appearing in the captured video, the situation at the location where the video was filmed is inferred.

Therefore, the analysis unit 250 must have considerable artificial intelligence to be able to infer the situation from words, sentences, etc. expressed by the voice, and to infer the situation from the behavior of the person, and rough conversation or pranks between friends are special situations. It is advisable to learn various situations in advance to minimize the occurrence of judgment errors, such as when a situation is judged to be a serious violent situation.

In other words, the analysis unit 250, which can infer the situation by analyzing the voice or video and learn the situation shown in the voice or video based on the results and reflect it in subsequent judgments, has artificial intelligence.

In addition, the analysis unit 250 must be able to recognize fire, smoke, etc. appearing in images captured through artificial intelligence, must be able to recognize the theft of specific items among the articles shown in the images, and the windshield shown in the images, You must be able to recognize damage to items such as desks and chairs, and the occurrence of judgment errors can be minimized by learning in various situations.

As described above, in the artificial intelligence audio system using the audio device according to the present invention, the analysis unit 250 analyzes the sounds collected from the plurality of microphones 210 and the images captured by the plurality of cameras 230. Because it is configured to recognize special situations that occur within a school or building, and to recognize the type and location of the special situation that has occurred, the selection unit 260 selects the type and location of the recognized special situation. Accordingly, any one of the previously stored comments is selected, and the transmission unit 270 causes the selected comment to be output from the speaker 140 located at the place where the special situation occurred or to output the selected comment from the speaker 140 located at a place other than the place where the special situation occurred. ) also causes the selected comment to be output.

The comment is characterized in that it includes a warning or notification message according to the location of the place where the special situation occurred and the type of the special situation. Accordingly, the comment output from the speaker 140 allows the parties who heard it to respond to the special situation. It is possible to immediately stop the behavior corresponding to the above, and to make an unspecified number of people who heard it immediately aware of the type of special situation and the location where it occurs.

More specifically, if the special situation recognized by the analysis unit 250 is an act of violence at a specific location, the selection unit 260 selects a warning message containing the name of the location, and the transmission unit 270 selects a warning message containing the name of the location. By outputting a warning message from the speaker 140 located at a place where a special situation occurs, the special situation can be voluntarily resolved by the parties involved, and this configuration can be realized by providing the speaker selector 130.

In addition, if the special situation recognized by the analysis unit 250 is a fire situation at a specific location, the selection unit 260 selects a warning message containing the name of the location, and the transmission unit 270 selects a warning message containing the name of the location. By transmitting the warning message not only to the speaker 140 located in the location but also to a plurality of speakers 140 located in other locations, the fire situation can be urgently spread.

However, since not all special situations, such as fire, can be resolved only by outputting a message through the speaker 140, the audio system 200 selects a reporting destination according to the type of recognized special situation and types of special situation. and selecting one or more of the pre-stored comments or messages depending on the place of occurrence and transmitting them to the reporting destination.

At this time, selection of the reporting destination according to the type of recognized special situation and selection of a comment or message according to the type and occurrence location of the special situation are performed by the selection unit 260, and transmission of the selected comment or message to the reporting destination is performed by This is performed by the transmission unit 270.

In addition, as shown in FIG. 5, the artificial intelligence audio system using an audio device using a speaker selector according to the present invention provides the types and grounds for special situations recognized by the analysis unit 250 to enable learning of special situations. It is characterized by being configured to include an administrator terminal 280 through which audio or video is transmitted and the user's judgment can be input according to the type of special situation.

In other words, as mentioned above, it is desirable for the analysis unit 250 to learn various situations in advance to minimize the occurrence of judgment errors, such as judging rough conversation or pranks between friends as a violent situation among special situations. Therefore, the artificial intelligence audio The system 200 allows the user to determine a special situation directly through the administrator terminal 280, thereby enabling the recognition of the special situation by the analysis unit 250 to be verified, and the analysis unit 250 allows the user to determine the special situation directly through the manager terminal 280. It is a configuration that allows learning various types of special situations based on the verification results.

Therefore, the manager terminal 280 is capable of wired and wireless communication with the artificial intelligence audio system 200, can play and confirm audio or video, and can be configured as a device such as a computer or smartphone capable of inputting information. there is.

In addition, the artificial intelligence audio system using an audio device using a speaker selector according to the present invention is installed in a school or building and includes a fine dust measurement sensor to measure fine dust concentration, a heat detection sensor to detect heat, and a temperature sensor to measure temperature. It is characterized in that it is configured to include at least one sensor or a noise measurement sensor that measures noise, and at least one of fine dust concentration, heat, temperature, or noise measured or detected by one or more of the sensors. is analyzed by the analysis unit 250 so that special situations can be recognized.

Accordingly, as various embodiments of the present invention, the analysis unit 250 can recognize the fine dust concentration measured by the fine dust measurement sensor as a fine dust caution situation, etc. according to the concentration, and If the heat detected by the heat detection sensor is above a certain temperature, it can be recognized as a fire situation, and if the temperature measured by the temperature measurement sensor is above or below a certain temperature, it can be recognized as a heat wave or extreme cold, and the noise measurement sensor If the noise measured is above a certain decibel, it can be recognized as a noise situation.

The embodiments introduced above are provided as examples so that the technical idea of the present invention can be sufficiently conveyed to those skilled in the art to which the present invention pertains, and the present invention is limited to the embodiments described above. It is not limited and may be embodied in other forms.

In order to clearly explain the present invention, parts not related to the description are omitted from the drawings, and in the drawings, the width, length, thickness, etc. of components may be exaggerated or reduced for convenience.

Additionally, like reference numerals refer to like elements throughout the specification.

100: audio device
110: DA converter 120: Amplifier
130: speaker selector 140: speaker
150: inspection unit 160: control unit
170: Track arrangement unit
200: audio system
210: Microphone 220: Voice recognition unit
230: Camera 240: Video receiver
250: analysis unit 260: selection unit
270: Transmission unit 280: Administrator terminal

Claims (7)

DA converter 110 that converts the input digital signal into an analog signal;
A plurality of amplifiers 120 that amplify the converted analog signal;
A speaker selector 130 that controls the input and output of the amplified analog signal;
A plurality of speakers 140 that output the amplified analog signal as sound;
An inspection unit 150 that checks the internal track condition in real time;
a control unit 160 that controls the speaker selector 130 and the inspection unit 150 by an input signal; An audio device using a speaker selector comprising:
According to paragraph 1,
The audio device 100 using the speaker selector,
An audio device using a speaker selector, characterized in that it includes a line arrangement unit 170 that is controlled by the control unit 160 to rearrange internal lines.
A voice recognition unit 220 that recognizes voices by receiving sounds collected from a plurality of microphones 210 installed in a school or building;
An image receiver 240 that receives images captured by a plurality of cameras 230 installed in a school or building;
an analysis unit 250 that analyzes the voice and the video to recognize special situations;
a selection unit 260 that selects one of the pre-stored comments according to the type and occurrence location of the recognized special situation;
A transmission unit 270 that transmits the selected message to one or more speakers 140 among a plurality of speakers 140 installed in a school or building; An artificial intelligence audio system using an audio device using a speaker selector, characterized in that it includes.
According to paragraph 3,
The above comment is,
An artificial intelligence audio system using an audio device using a speaker selector, which includes a warning or notification message depending on the location of the place where a special situation occurs and the type of special situation.
According to paragraph 3,
The artificial intelligence audio system 200,
Select a reporting location depending on the type of special situation recognized;
An artificial intelligence audio system using an audio device using a speaker selector, which selects one or more of the pre-stored comments or messages depending on the type and location of the special situation and transmits it to the reporting destination.
According to paragraph 3,
The artificial intelligence audio system 200,
To enable learning in special situations,
Characterized by being configured to include an administrator terminal 280 through which the type of special situation recognized by the analysis unit 250 and the voice or video based on it are transmitted, and the user's judgment can be input according to the type of special situation. An artificial intelligence audio system using an audio device that uses a speaker selector.
According to paragraph 3,
The artificial intelligence audio system 200,
The analysis unit 250 is installed in a school or building to recognize special situations and uses a fine dust measurement sensor to measure fine dust concentration, a heat detection sensor to detect heat, a temperature measurement sensor to measure temperature, or a noise measurement sensor. An artificial intelligence audio system using an audio device using a speaker selector, characterized in that it includes at least one of the noise measurement sensors.