KR102313600B1 - Multimedia output control system for noise barrier - Google Patents

Abstract

The present invention relates to a multimedia output control system for noise blocking that delays the output of noise caused by different kinds, models, components, and software of each presenter's terminal through a speaker to avoid the audience's hearing of the noise. The multimedia output control system for noise blocking comprises: a speaker (100) and a screen (200); a projector (300) for projecting an image toward the screen (200); presenter terminals (400a, 400b) for storing and managing presentation information composed of an image signal and a sound signal generated by presenters for presentation; and a noise-blocking information control panel (500) connected to the projector (300) through an image output terminal, connected to the speaker (100) through a sound output terminal, and including an image input terminal (511) and a sound input terminal (513). When a terminal of the presenter terminals (400a, 400b) of a corresponding presenter at the time of the presentation is connected through a connecting cable to the image input terminal (511) and the sound input terminal (513) and the presentation information composed of the image signal and the sound signal is input, the noise-blocking information control panel (500) delays a time of reference delay time information for noise blocking, which corresponds to a noise generation duration as a terminal is connected, and then carries out a function to cause the input sound signal to be output through a sound output terminal (523).

Description

Multimedia output control system for noise barrier

The present invention relates to a system for blocking noise generated when an audio output terminal of a personal terminal possessed by a business presentation or various seminar presenters and a sound system are initially connected.

Due to the rapid development of academia and technology, various detailed technologies belonging to one industrial field are being developed at leading companies, hospitals, and university research groups around the world.

Accordingly, various academic conferences are being held to accelerate the development of the relevant technology field while preventing overlapping investment in the same detailed technology by sharing the development technology of companies, hospital-affiliated research groups, and university-affiliated research groups. A large number of participating presenters (researchers, professors, professional lecturers, etc.) give presentations by time zone in schools, communal buildings, and government offices to share information.

In particular, this information sharing trend is not only focused on researchers and experts, but also the general public sharing their knowledge and experiences.

On the other hand, presenters store and manage the academic information they want to present on their personal terminals, for example, laptops, tablet PCs, and smartphones. To output information through the projector and speaker installed in the conference room, connect your personal terminal to the information control panel using a connecting cable.

Meanwhile, the information control panel is connected to an image output member including an LCD or a projector, and is connected to a sound output member including a speaker or a headset.

Accordingly, when the personal terminal is connected through the image input terminal and the sound input terminal, the information control panel recognizes it and guides the image and sound to be outputted through the image output member and the sound output member.

However, the conventional multimedia output control system has the following problems.

The majority of presenters who give presentations for information sharing usually proceed according to the presentation time. At this time, in the case of a personal terminal in which the presenter's presentation information is stored, it is not only different in model, such as a laptop, tablet PC, or smartphone, but is also subdivided into various models for each model, and components mounted on each subdivided model {CPU (Central Processing Unit (CPU)) ), GPU (Graphics Processing Unit), APU (Accelerated Processing Unit), etc.) acts as a problem.

The generation of such noise is also caused by the instability of the device connection method, and acts as a factor causing damage to the audience attending for information sharing.

US 10-2016-0047081 A

The present invention is to solve the problems of the prior art, and the first object of the present invention is to prevent noise caused by different models, models, components and software of each presenter being output through a speaker. An object of the present invention is to provide a multimedia output control system for noise blocking that blocks the audience from hearing noise by delay.

The second object of the present invention is to recognize that the noise generation time caused by the different models, models, components and software of the personal terminals possessed by each presenter is different, and to realize the speaker output delay time corresponding to the noise generation time in real time. It is to provide a multimedia output control system for noise-blocking that minimizes the audience's noise listening by applying the calculation.

A third object of the present invention is to determine whether the noise generated in the conference room is the noise output from the speaker or the noise generated from the audience to determine whether to add the speaker output delay time corresponding to the noise generation time. To provide a control system.

A fourth object of the present invention is to provide a multimedia output control system for noise blocking that recognizes the noise generation time of a personal terminal possessed by a presenter in advance and applies a speaker output delay time quickly without a separate check.

A fifth object of the present invention is to recognize a different speaker output delay time for each personal terminal when the presenter has a plurality of personal terminals, and apply a different speaker output delay time to each connected personal terminal to reduce the speaker output delay time. An object of the present invention is to provide a multimedia output control system for noise blocking that minimizes the delay in lectures and at the same time blocks the generation of noise due to device connection to the audience.

As a technical idea for achieving the present invention, the multimedia output control system for noise blocking of the present invention includes a speaker and a screen installed in a conference room where a presenter makes a presentation for information sharing; For information sharing, a projector installed in a conference room in which a presenter makes a presentation, and irradiating an image toward the screen; Presenter terminals, which are possessed by each presenter whose presentation time is designated for information sharing, and which store and manage presentation information composed of a video signal and a sound source signal generated by the presenter to present; For information sharing, it is installed in a conference room where a presenter makes a presentation, connected to the projector through an image output terminal, connected to the speaker through an audio output terminal, and provided with an image input terminal and an audio input terminal. and an information control panel for blocking noise, wherein the information control panel for blocking noise is connected to the video input terminal and the sound input terminal through a connection cable between the presenter terminals that have reached the presentation time among the presenter terminals. , when announcement information consisting of a video signal and a sound source signal is input, the input sound source signal is sound output after delaying the time for the reference delay time information for noise generation blocking, which is a time corresponding to the generation time of noise generated when connecting to a terminal It is characterized in that it is controlled to be output to the speaker through a terminal.

The noise-blocking information control panel includes: an image input terminal connected to the presenter terminal through a connection cable to receive a video signal; a sound input terminal for outputting a sound source signal connected to the presenter terminal through a connection cable to a relay; a relay for outputting a sound source signal input from the sound input terminal to a plug connection detection unit; a plug connection detection unit that generates an activation signal when a sound source signal is input from the relay and outputs the activation signal and the sound source signal to the MCU; an MCU for switching from a sleep mode to an activation mode when an activation signal and a sound source signal are inputted from the plug connection detection unit, and outputting the sound source signal to an amplifier after delaying a time for reference delay time information for blocking noise generation; and an amplifier for amplifying the sound source signal input from the MCU and outputting it to the relay, wherein the relay recognizes the sound source signal amplified from the amplifier and outputs the amplified sound source signal to the sound output terminal perform the function

The noise blocking information control panel further includes a connection status indicator lamp, wherein the MCU lights the connection status indicator lamp when an activation signal and a sound source signal are input from the plug connection detection unit to indicate the presenter terminal. It performs a function of guiding that it is connected to the noise-blocking information control panel.

The multimedia output control system for noise blocking of the present invention includes: a mixer; for information sharing, a microphone for generating and outputting a speaker sound signal by inputting a speaker's voice signal, and a mixer controlled by the MCU, including a speaker sound signal output from the microphone and the sound output terminal It performs a function of mixing the sound source signal output from the , processing it into one mixed sound source signal and outputting it to the speaker.

The present invention exhibits the effect of blocking the noise of the audience by delaying the output of the noise caused by the different models, models, components and software of the personal terminals possessed by the presenters through the speaker.

In addition, the present invention recognizes that the noise generation time caused by different models, models, components and software of personal terminals possessed by each presenter is different, and calculates the speaker output delay time corresponding to the noise generation time in real time. By applying it, there is also the effect of minimizing the noise of the audience.

In addition, the present invention determines whether the noise generated in the conference room is the noise output from the speaker or the noise generated from the audience, and determines whether the speaker output delay time corresponding to the noise generation time is added to more accurately the speaker output delay time. There is also a confirmation effect.

In addition, the present invention recognizes the noise generation time of the personal terminal possessed by the presenter in advance and guides the speaker output delay time to be applied quickly without a separate check. By recognizing different speaker output delay times and applying different speaker output delay times to each connected individual terminal, it minimizes lecture delays due to speaker output delay times and at the same time blocks noise generation due to device connection to the audience. There is an effect.

1 and 2 are overall configuration diagrams showing a multimedia output control system for noise blocking of the present invention.
3 is a block diagram showing an information control panel for noise blocking among the components constituting the multimedia output control system for noise blocking of the present invention.
4 is a circuit diagram of a main part showing an information control panel for noise blocking among components constituting the multimedia output control system for noise blocking of the present invention.
5 is a view showing the main parts of the image input terminal and the sound input terminal provided in the housing of the noise blocking information control panel among the components constituting the noise blocking multimedia output control system of the present invention.
6 is a view showing that noise is output from the speaker even after the speaker output delay time by using the noise blocking multimedia output control system of the present invention.
7 is a view showing noise generated from the audience after the speaker output delay time using the multimedia output control system for noise blocking of the present invention.

Prior to being described in detail with reference to the accompanying drawings for the configuration and operation of the embodiments of the present invention, the present invention may have various changes and may have various forms, and the following embodiments will describe the present invention in detail It is to be understood that the present invention is not intended to be limited to the specific disclosed form, and includes all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

In addition, in each drawing, components are exaggerated in size or thickness in consideration of convenience of understanding, or expressed in a simplified manner, but the protection scope of the present invention should not be construed as being limited thereby, and perform the same function. In this case, the same reference numerals will be used as much as possible. In addition, the terms used in the present invention are only used to describe the following examples, and are not intended to limit the present invention, and the singular expression includes a plural expression unless the context clearly indicates otherwise.

As shown in Figures 1 to 7, the multimedia output control system for noise blocking of the present invention is largely, the speaker 100 and the screen 200, the projector 300, the presenter terminals 400a and 400b installed in the conference room. They consist of an information control panel 500 for blocking noise.

First, the speaker 100 is installed in a conference room R where the presenter makes a presentation for information sharing, and is a sound output device that outputs sound among the presenter's presentation information, and an information control panel 500 for noise blocking to be described later. is provided in connection with As a sound output device performing such a function, a headset may be applied and used in addition to the speaker 100 .

The projector 300 is an image output device that is installed in a conference room where a presenter makes a presentation for information sharing, and irradiates an image of the presenter's presentation information on the screen 200, and is an information control panel for noise blocking to be described later ( 500) and is provided.

On the other hand, the screen 200 may be installed in the ceiling of the front of the conference room so that it can be pulled out or wound depending on whether it is used or not, and the image is irradiated from the ceiling by the operation of the driving motor and the image is irradiated or is not used. is provided without wearing

The presenter terminals 400a and 400b are terminal members that store and manage presentation information including video signals and sound source signals generated by the presenter to present their presentation time for information sharing.

In the presenter terminals 400a and 400b that perform such a function, characters are recognized by writing on the LCD (liquid crystal) screen directly using a finger or an electronic pen without a smartphone, notebook, PDA, personal computer (PC), or keyboard. Various terminals, such as a tablet PC, which is a mobile Internet device capable of executing a program by using a touch screen method as the main input method, may be applied.

The noise-blocking information control panel 500 is installed in a conference room where a presenter makes a presentation for information sharing, and is connected to the projector 300 through an image output terminal, and through an audio output terminal, the speaker 100 ) and is provided with an image input terminal 511 and an audio input terminal 513, the corresponding presenter terminals 400a and 400b, which have reached the presentation time among the presenter terminals 400a and 400b, are connected via a connecting cable to the video It is connected to the input terminal 511 and the sound input terminal 513, and when announcement information consisting of an image signal and a sound source signal is input, for blocking noise generation, which is a time corresponding to the generation time of the noise (N) generated when the terminal is connected By performing a function of controlling the input sound signal signal to be output to the speaker 100 through the sound output terminal 523 after delaying the time during the reference delay time information, the personal terminal possessed by each presenter is different, It delays the noise caused by models, components and software from being output through the speaker, providing the benefit of blocking the transmission of noise to the audience in the conference room.

The information control panel 500 for noise blocking that performs this function includes an image input terminal 511, a sound input terminal 513, a relay 515, a plug connection detection unit 517, and an MCU 519 in the housing 501. ), an amplifier 521 is provided.

First, the video input terminal 511 is a member through which a video signal is input by being connected to the corresponding presenter terminals 400a and 400b through a connection cable, and various video input terminals 511 such as an HDMI terminal or a VGA/RGB terminal are selected. can be applied by

The sound input terminal 513 is a member for outputting a sound source signal, which is a sound input by being connected to the presenter terminals 400a and 400b through a connection cable, to a relay 515 to be described later, and an RCA stereo terminal can be used. .

The relay 515 outputs a sound source signal input from the sound input terminal 513 to the plug connection detection unit 517, and when an amplified sound source signal is input from an amplifier 521 to be described later, it recognizes the amplified sound source It is a member that performs a function of outputting a signal to the sound output terminal (523).

The plug connection detection unit 517 is a plug connection detection unit 517 that generates an activation signal when a sound source signal is input from the relay 515 and outputs the activation signal and the sound source signal to the MCU 519 .

The MCU 519 waits in the sleep mode until the presenter terminals 400a and 400b are connected to the video input terminal 511 and the audio input terminal 513, and then the activation signal and the sound source signal are received from the plug connection detection unit 517. When input, it is a control material that is switched from the sleep mode to the active mode, and outputs the sound source signal to the amplifier 521 after delaying the time for the reference delay time information for noise generation blocking.

On the other hand, when the connection of the presenter terminals 400a and 400b from the video input terminal 511 and the audio input terminal 513 is released, the MCU 519 is switched from the active mode to the sleep mode, and again the video input terminal 511. and waits until the presenter terminals 400a and 400b are connected to the sound input terminal 513 .

The amplifier 521 is a member that amplifies the sound source signal input from the MCU 519 and outputs it to the relay 515 .

In addition, the noise-blocking information control panel 500 further includes a connection state display lamp 525 .

Through this, when an activation signal and a sound source signal are input from the plug-in detection unit 517, the MCU 519 lights the connection status indicator lamp 525 so that the presenter terminals 400a and 400b are noise-blocking information control panel It performs a function of guiding that it is connected to (500).

In addition, the multimedia output control system for noise blocking of the present invention further includes a mixer 600 and a microphone 700 for generating and outputting a speaker sound signal by inputting the speaker's utterance voice for information sharing.

Through this, the MCU 519 controls the mixer 600, mixes the speaker sound signal output from the microphone 700 and the sound output terminal 523, and processes it into one mixing sound source signal, It performs a function of controlling the output to the speaker (100).

In addition, the multimedia output control system for noise blocking of the present invention is installed on the speaker 100 side, and generates speaker-side noise detection information, which is a value of noise around the speaker 100, at predetermined intervals, and generates the noise blocking information It further includes a speaker-side noise sensor 810 for transmitting to the control panel 500, and the information control panel 500 for noise blocking includes an information storage unit 527 for storing and managing reference delay time information for blocking noise generation; A timer 529 is further provided.

Through this, when the MCU 519 is switched to the activation mode, the timer 529 is operated to measure the time, and the speaker-side noise detection information transmitted from the speaker-side noise sensor 810 every preset period is read, If the read value of the noise sensing information on the speaker side corresponds to the noise value of the speaker, calculate the transmission time of the noise detection information on the speaker side corresponding to the noise value of the speaker and block the noise generated in the information storage unit 527 By providing a function to add up to the reference delay time information, it recognizes that even if the noise generation time caused by different models, models, components and software is different for each individual terminal, and reduces the speaker output delay time corresponding to the noise generation time. By applying calculations in real time, it provides the advantage of minimizing noise listening to the audience.

In addition, the multimedia output control system for noise blocking of the present invention is installed on the side of the audience attending the conference room, and generates audience-side noise detection information, which is a value of noise around the audience, at a preset period, and controls the noise-blocking information It includes; the audience-side noise sensor 820 that transmits to the panel 500 .

Through this, when the MCU 519 is switched to the activation mode, the timer 529 is operated to measure the time, and the speaker-side noise detection information transmitted from the speaker-side noise sensor 810 every preset period is read, If the read value of the noise detection information on the speaker side corresponds to the noise value of the speaker, the value of the noise detection information on the speaker side and the value of the noise detection information on the speaker side transmitted from the audience side noise detection sensor 820 every preset period If the contrasted values belong to the measurement similarity level, it is recognized as the noise of the audience, and is stored and managed in the information storage unit 527 and used without adjustment of the reference delay time information for noise generation, It provides the advantage of quickly determining whether to add up the speaker output delay time corresponding to the noise generation time by judging whether the generated noise is the noise output from the speaker or the noise generated from the audience.

In addition, the noise blocking information control panel 500 further includes an information input unit for the presenter to input various information necessary for the presentation in order to share information.

Through this, identification information of the presenter input by the presenter manipulating the information input unit, model information of the presenter terminals 400a and 400b possessed by the presenter, detailed model information according to the model information, and component information for each presenter including component information The terminal identification information is stored and managed in the information storage unit 527 .

Here, the presenter's identification information includes the presenter's identity including the presenter's name, age, and gender, the presenter's affiliation such as a researcher, professor, or professional lecturer, contact information including address and phone number, ID and password issued for the presentation may include.

In addition, various models capable of storing the presentation information, such as a notebook computer, a tablet PC, and a smart phone, may be applied to the model information of the presenter terminals 400a and 400b.

In addition, the component information may include various components mounted on a model, such as a central processing unit (CPU), a graphics processing unit (GPU), an accelerated processing unit (APU), and the like.

On the other hand, the presenter manipulates the information input unit to input presenter identification information, and connects the presenter terminals 400a and 400b, in which the presentation information is stored and managed, to the video input terminal 511 and the sound input terminal 513 through a connecting cable. The MCU 519, which is connected to the active mode, operates a timer 529 to measure the time, reads the speaker-side noise detection information transmitted every preset period from the speaker-side noise sensor 810, and the If the value of the read speaker noise detection information corresponds to the noise value of the speaker, the noise generation blocking standard stored in the information storage unit 527 is calculated by calculating the transmission time of the speaker noise detection information corresponding to the noise value of the speaker The presenter identification information of the corresponding presenter is collected in the value added to the delay time information, processed into standard delay time information for noise generation blocking for each presenter terminal, and the processed reference delay time information for noise generation blocking for each presenter terminal is converted to the above information It is accumulated in the storage unit 527 and stored and managed.

Through this, the MCU 519 is thereafter, when the presenter's identification information is input through the information input unit, the inputted presenter's identification information is matched with the information storage unit 527 and extracted by the presenter terminal-specific delay for noise generation blocking Based on the time information, by controlling the sound source signal to be output to the amplifier 521 after delaying the time for the reference delay time for blocking noise generation for each presenter terminal, the presenter recognizes the noise generation time of the personal terminal possessed by the presenter in advance and separates them. It provides the advantage of guiding the speaker output delay time to be applied quickly without checking.

In addition, the multimedia output control system for noise blocking of the present invention further includes an information output unit.

And in the information storage unit 527, if there are two or more pieces of reference delay time information for blocking noise generation for each speaker terminal of the presenter, guide to select any one of the reference delay time information for blocking noise generation for each speaker terminal of two or more The presenter duplicate terminal selection screen is stored and managed.

On the other hand, the presenter manipulates the information input unit to input presenter identification information, and connects the presenter terminals 400a and 400b, in which the presentation information is stored and managed, to the video input terminal 511 and the sound input terminal 513 through a connecting cable. When connected, the MCU 519, which is switched to the active mode, matches the inputted presenter's identification information with the information storage unit 527. It is possible to extract the standard delay time information for noise generation blocking by speaker terminal of the presenter and the duplicate presenter terminal selection screen, and select the reference delay time information for blocking noise generation by two or more presenter terminals on the extracted duplicate presenter terminal selection screen By controlling so that it is output through the information output unit after being inserted in a manner that the presenter has multiple personal terminals, different speaker output delay times are recognized for each individual terminal, and different speaker output delay times are applied to each connected personal terminal. , it minimizes the delay in lectures due to speaker output delay time, and at the same time provides the audience with the advantage of blocking noise generated by device connection.

Although the present invention has been shown and described in relation to specific embodiments in the above description, it is common knowledge in the art that various modifications and changes are possible without departing from the spirit and scope of the invention as defined by the claims. Anyone who has it will know it easily.

100: speaker 200: screen
300: projector 400a, 400b: presenter terminal
500: information control panel for noise blocking 501: housing
511: video input terminal 513: sound input terminal
515: relay 517: plug connection detection unit
519: MCU 521: amplifier
523: sound output terminal 525: connection status indicator lamp
527: information storage unit 529: timer
600: mixer 700: microphone
810: speaker-side noise sensor 820: audience-side noise sensor

Claims (8)

For information sharing, the speaker 100 and the screen 200 are installed in the conference room (R) in which the presenter makes a presentation;
For information sharing, the projector 300 is installed in the conference room (R) where the presenter makes a presentation, and irradiates an image toward the screen 200;
Presenter terminals (400a, 400b) for storing and managing presentation information, which is possessed by each presenter whose presentation time is designated for information sharing, and consists of a video signal and a sound source signal generated by the presenter to present;
For information sharing, it is installed in the conference room R where the presenter makes a presentation, and is connected to the projector 300 through an image output terminal, and is connected to the speaker 100 through an audio output terminal, and the image and an information control panel 500 for noise blocking provided with an input terminal 511 and a sound input terminal 513;
The noise blocking information control panel 500 is, among the presenter terminals 400a and 400b, the corresponding presenter terminals 400a and 400b, which have reached the presentation time, through a connection cable, the video input terminal 511 and the sound. It is connected to the input terminal 513, and when announcement information consisting of a video signal and a sound source signal is input, the time is set during the reference delay time information for noise generation blocking, which is a time corresponding to the generation time of the noise (N) generated when the terminal is connected. After delay, the input sound source signal is controlled to be output to the speaker 100 through the sound output terminal 523,
In the information control panel 500 for blocking the noise,
a video input terminal 511 connected to the presenter terminals 400a and 400b through a connection cable to receive a video signal;
a sound input terminal 513 for outputting a sound source signal connected to the presenter terminals 400a and 400b through a connection cable to the relay 515;
a relay 515 for outputting a sound source signal input from the sound input terminal 513 to a plug connection detection unit 517;
a plug connection detection unit 517 that generates an activation signal when a sound source signal is input from the relay 515 and outputs the activation signal and the sound source signal to the MCU 519;
When the activation signal and the sound source signal are input from the plug connection detection unit 517, the sleep mode is switched to the active mode, and after delaying the time for the reference delay time information for blocking noise generation, the sound source signal is transferred to the amplifier 521 an output MCU 519;
an amplifier 521 amplifying the sound source signal input from the MCU 519 and outputting it to the relay 515;
The relay (515), when the amplified sound source signal is input from the amplifier (521), recognizes it and outputs the amplified sound source signal to the sound output terminal (523).
delete According to claim 1,
The noise-blocking information control panel 500 includes a connection status indicator lamp 525;
The MCU 519, when an activation signal and a sound source signal are input from the plug connection detection unit 517, lights the connection state indicator lamp 525 to provide the presenter terminals 400a and 400b with the noise blocking information. Multimedia output control system for noise blocking, characterized in that it guides the connection with the control panel (500).
According to claim 1,
a mixer 600;
For information sharing, the speaker's speech voice is input, and a microphone 700 for generating and outputting the speaker's sound signal signal; includes;
The mixer 600 controlled by the MCU 519 mixes the presenter sound source signal output from the microphone 700 and the sound source signal output from the sound output terminal 523 and processes it into one mixed sound source signal. A multimedia output control system for noise blocking, characterized in that output to the speaker (100).
According to claim 1,
The speaker side noise that is installed on the side of the speaker 100, generates speaker-side noise detection information, which is a value measured by noise around the speaker 100, every preset period, and transmits it to the noise-blocking information control panel 500 Including; detection sensor 810;
The noise blocking information control panel 500 includes an information storage unit 527 for storing and managing the reference delay time information for noise generation blocking; It further includes a timer 529;
The MCU 519, when switched to the activation mode, operates the timer 529 to measure the time, and reads the speaker-side noise detection information transmitted from the speaker-side noise detection sensor 810 at a preset period, and , if the value of the read speaker noise detection information corresponds to the noise value of the speaker, the noise generated in the information storage unit 527 is calculated by calculating the transmission time of the speaker noise detection information corresponding to the noise value of the speaker Multimedia output control system for noise blocking, characterized in that it is added to the reference delay time information for blocking.
6. The method of claim 5,
It is installed on the side of the audience attending the conference room, and generates audience-side noise detection information, which is a value obtained by measuring the noise around the audience, at a preset period and transmits it to the noise-blocking information control panel 500 ( 820); including;
The MCU 519, when switched to the activation mode, operates the timer 529 to measure the time, and reads the speaker-side noise detection information transmitted from the speaker-side noise detection sensor 810 at a preset period, and , if the value of the read speaker-side noise detection information corresponds to the noise value of the speaker, the speaker-side noise detection information is transmitted from the value of the speaker-side noise detection information and the audience-side noise detection sensor 820 every preset period. A multimedia output control system for noise blocking, characterized in that it compares the values of , and recognizes it as the audience's noise if the contrasted values belong to the degree of similarity measured.
6. The method of claim 5,
The noise-blocking information control panel 500 further includes an information input unit for inputting information;
The presenter's identification information input by manipulating the information input unit, model information of the presenter terminals 400a and 400b possessed by the presenter, and terminal identification information for each presenter including detailed model information and component information according to the model information It is stored and managed in the information storage unit 527,
The MCU 519, when the read value of the noise detection information on the speaker side corresponds to the noise value of the speaker, calculates the transmission time of the noise detection information on the speaker side corresponding to the noise value of the speaker, and the information storage unit ( 527), the identification information of the presenter is collected with the value added to the standard delay time information for blocking noise generation stored in the The reference delay time information for use is accumulated and managed in the information storage unit 527,
The MCU 519 is, thereafter, when the presenter's identification information is input through the information input unit, the inputted presenter's identification information is matched with the information storage unit 527 and extracted by each presenter terminal for blocking noise generation Based on the reference delay time information, the sound source signal is outputted to the amplifier (521) after delaying the time for a reference delay time for blocking noise generation for each presenter terminal.
8. The method of claim 7,
Including; information output unit;
In the information storage unit 527, if there are two or more pieces of reference delay time information for noise generation blocking for each presenter terminal of the presenter stored and managed in the information storage unit 527, the reference delay for blocking noise generation for two or more presenter terminals The presenter's duplicate terminal selection screen that guides you to select any one of the time information is stored and managed,
The MCU 519, when the presenter's identification information is input through the information input unit, matches the inputted presenter's identification information with the information storage unit 527 and is extracted by the presenter terminal-specific delay for noise generation blocking When there are two or more time information, the reference delay time information for blocking noise generation by the presenter's terminal and the presenter's duplicate terminal selection screen are extracted, and noise generation of two or more presenter's terminals is blocked on the extracted duplicated presenter's terminal selection screen A multimedia output control system for noise blocking, characterized in that control is performed so that the reference delay time information is selectively inserted and output through the information output unit.

Images