KR100960982B1 - Controlling apparatus and method for switching of audio signal - Google Patents

Abstract

The present invention relates to a switching control technique of an audio signal for matching to an input mode.

An input mode selection unit for selecting one of the plurality of input modes and outputting the audio signal L11; A signal distributor to match the speaker ID (Identification) assigned to each speaker of the speaker system with respect to the audio signal L11 together with the setting of the volume level and the sound quality level for the selected input mode. A volume and sound quality control unit for outputting an audio signal L12 for the audio signal ID with which signal distribution is set; The controller unit is provided with a switching element such that an audio signal L13 output by matching an input audio signal ID and an output audio signal ID with respect to the audio signal L12 in which the volume level and the sound quality level are set is input to the power amplifier. ; Switching control of the device contact of the switching element, and outputs a control signal for controlling the controller unit so that the audio signal ID for the audio signal L14 output through the power amplifier matches the speaker ID specified in the speaker system; Characterized in that it comprises a.

As described above, the present invention can easily switch the audio signal to a speaker having a designated ID to be matched to any one input mode selected through the control system, thereby setting an amplifier system installed in various places such as a lecture hall. Provides the effect of improving the operation.

Input mode, controller, audio signal, switching control

Description

CONTROLLING APPARATUS AND METHOD FOR SWITCHING OF AUDIO SIGNAL}

The present invention sets an audio signal to a minimum volume level and various sound quality levels preferred by a user for any one input mode selected through a control system, and matches the input mode through a controller. The present invention relates to a technology for switching and outputting the audio signal through a power amplifier to a speaker having a specified ID.

In general, lectures, meetings, seminars, education, movies, and events are held in conference rooms, seminar rooms, etc. (hereinafter, referred to as "course halls"), including lecture halls in companies, schools, and public offices.

1 is a block diagram showing a circuit configuration in which an audio signal is output to a speaker system through an amplifier system according to a conventional input mode selection.

In the lecture hall, a plurality of microphones, TVs, VCRs, DVDs, tuners, projectors, and the like (hereinafter, referred to as "mode device") provided as sets in the amplifier system 10 are referred to as sets. It is used.

In addition, the input mode device is used to provide a lecture mode 21, a conference mode 22, a movie mode 23, an event mode 24, etc. according to a usage environment such as lectures, meetings, movies, and events. In this case, the input mode selector 20 selects one of the input modes 21 to 24 from the plurality of input modes 21 to 24 so as to generate a voice and sound signal (hereinafter referred to as an "audio signal"). L1 will be output.

At this time, the power amplifier receives the audio signal L2 of which the volume level and the sound quality level are manually adjusted through the volume and sound quality control unit 30 with respect to the output audio signal L1. And amplified by being supplied back to the (50), the amplified audio signal (L3) through the signal output terminal unit 52 of the power amplifier 50 is included in the speaker system 60 in the lecture hall installed in various locations The output will be (60-1 ~ 60-n).

However, in the above-described conventional technique, in order to select and release the input modes 21 to 24 serving as mixers for various input signals, the input mode selection unit 20 may be configured as shown in FIG. 1. It caused a troublesome operation that the user has to manually turn on (Off) each of the switching switches (S1 ~ S4) provided for each input mode (21! 24).

In addition, in order to match the speaker (60-1 ~ 60-n) provided in the speaker system 60 according to any one of the selected input mode (21 ~ 24) through the signal output terminal unit 52 The audio signal (L3) output to the speaker (60-1 ~ 60-n) was also causing a problem that the cumbersome work is followed, such as separate signal connection or disconnection work.

For this reason, the situation in which a lot of inconvenience in setting (Setting) operation to suit the use environment for the amplifier system 10 installed in various places such as the lecture hall.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and thus an object of the present invention is to enable a simple switching control of an audio signal with a speaker having a designated ID to match any one selected input mode.

In addition, the present invention has another object to simplify the switching control of the audio signal to the speaker of the specified ID with the setting of the minimum volume level and preferred sound quality level for the selected input mode while viewing the control screen through the system control unit. .

Means for solving the problems of the present invention as described above is characterized in that the input mode selection unit for outputting the audio signal (L11) by selecting any one of the input mode (Mode) It is done.

In addition, matching the speaker ID (Identification) assigned to each speaker of the speaker system with respect to the audio signal L11 together with the setting of the volume level and the sound quality level for the selected input mode. A volume and sound quality control unit for outputting an audio signal L12 for the audio signal ID for which signal distribution is set in the signal splitter is characterized in that it is configured.

In addition, a switching element is provided to input an audio signal L13 output by matching an input audio signal ID and an output audio signal ID with respect to the audio signal L12 having the volume level and the sound quality level set therein. It is characterized by the configuration of the controller unit.

In addition, by switching the device contact of the switching element, by outputting a control signal to control the controller unit so that the audio signal ID for the audio signal (L14) output through the power amplifier matches the speaker ID specified in the speaker The main feature is that it includes a control system.

In order to solve the problem of the present invention, another means is characterized in that the step of turning on (Power) the power of the control system, and driving the control program.

In addition, when the control program is driven, an input mode selection step for outputting an audio signal L11 by selecting one input mode from a plurality of input modes is provided.

In addition, when the input mode is selected, inputting the audio signal L12 for the audio signal ID with the signal distribution set to match the speaker ID (Identification) specified for the output audio signal L11 to the controller. Characterized in that the step is provided.

In addition, after setting the lowest volume level (Level) for the selected input mode, it is characterized in that the step of setting the preferred sound quality level (Level) for the selected input mode, and storing the set state.

In addition, when the volume level and the sound quality level are set, the audio signal L13 that matches the input audio signal ID and the output audio signal ID with respect to the audio signal L12 input to the controller is input to the power amplifier. It is characterized in that the step of operating the switching element to perform the switching control, and to store the controlled state.

The method may further include checking a matching error state of the switching-controlled input and output audio signals L12 and L13, and if there is no error, outputting the audio signal L14 output from the power amplifier to a speaker having a specified ID. It is characterized by a process comprising a.

Hereinafter, the objects and solutions to the present invention will become more apparent from the detailed description of the various embodiments shown in the accompanying drawings.

As described above, the present invention can easily switch the audio signal to a speaker having a designated ID to be matched to any one input mode selected through the control system, thereby setting an amplifier system installed in various places such as a lecture hall. Provides the effect of improving the operation.

In addition, the present invention sets the audio signal to the lowest volume level and various sound quality levels preferred by the user for any one input mode selected through the control system, so that the specified ID matched to the input mode is matched. It also provides another effect that the speaker outputs.

In describing specific embodiments of the present invention, illustrated by the drawings of the present invention, the configuration and operation thereof will be described as at least one embodiment, whereby the technical spirit and core of the present invention Configuration and actions should not be limited.

For reference, in designating reference numerals in the accompanying drawings and described in the present invention, it should be particularly noted that the same components are given the same reference numerals as much as possible even if shown in different drawings.

Hereinafter, an apparatus and method for controlling switching of an audio signal for matching to an input mode of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a block diagram illustrating a configuration of a switching control circuit for matching an audio signal input to a power amplifier according to a selected input mode according to the present invention.

Referring to FIG. 2 as a means for solving the problems of the present invention, the amplifier system 100, including the speaker system 600, the control system 800 is configured.

In addition, the amplifier system 100 includes an input mode selector 200, a volume and sound quality control unit 300, a controller unit 400, a power amplifier 500, a driving power supply unit 700, and the like.

Next, a detailed configuration of the exemplary embodiment of the present invention will be described.

First, an input mode selection unit 200 for outputting an audio signal L11 by selecting one of the input modes 210 to 240 from a plurality of input modes 210 to 240 is configured.

The input mode (210 ~ 240) is equipped in the same place (for example: lecture hall, conference room, etc.) using the input mode device, including the lecture mode 210 used for lectures or seminars, etc. It means that at least one mode is included among the conference mode 220 used in the poem, the movie mode 230 for watching a movie, the song pride, and the event mode used in carrying out various events. This may be added and changed by the user in consideration of the environment of the place.

In this case, the input mode selector 200 functions as a mixer for various input signals, and the selection and release of any one input mode 21 to 24 is described later. It will be done through.

Each speaker of the speaker system 600 with respect to the audio signal L11 is set together with setting of a volume level and a sound quality level for the selected input mode 210 to 240. The audio signal is set to the signal output terminal 320 in the signal distributor 340 so as to match the speaker IDs (NO.1b to NO.12b) specified in 600-1 to 600-12. A volume and sound quality control unit 300 for outputting an audio signal L12 for the signal IDs NO. 1 to NO. 12 is configured.

At this time, the volume and sound quality control unit 300 is set to the lowest level ('0' Level) of any one of the input mode (210 ~ 240) is selected in the input mode selection unit 200, the sound quality is high It may be desirable to set at least one of the preferred level among the mid, low tone level.

In other words, by setting the volume level to the lowest level through the control system 800, a high level audio signal output from the volume and sound quality control unit 300 according to the change of the input mode 210 to 240. Since the L12 is amplified through the power amplifier 500 and is suddenly output to the speaker system 600, it is to prevent a surprise case in advance.

For reference, the setting of the volume level and the sound quality level, including the selection of the input modes 210 to 240, drives the control program 810 set up in the control system 800, and the key input unit 830. It is characterized in that the selection and control is performed by the operation of the key input means provided in the).

Then, the audio signal IDs (NO.1 to NO.12) input to the signal input terminal unit 410 and the audio signal IDs (NO.1a to NO) outputted to the audio signal L12 for which the volume level and sound quality level are set. .12a) is switched so that the switching device (RL-400) so that the audio signal L13 output through the signal output terminal unit 420 is inputted to the signal input terminal 510 of the power amplifier 500 and amplified. The provided controller unit 400 is configured.

The controller 600 displays a state in which the device contacts SW-1 to SW-12 of the switching element RL-400 are controlled on by a display lamp 431. It would be desirable to further include 430.

In this case, it is preferable that the display lamp 431 uses a light emitting diode (LED) that operates at a low power consumption, but in some cases it may be possible to use a general light bulb that emits light with a filament.

In addition, a control is displayed on the screen unit 820 provided in the control system 800 to the state that the device contact (SW-1 ~ SW-12) of the switching element (RL-400) On (On) operation control It may be possible to display the status through the screen.

In addition, the switching device RL-400 provided in the controller 600 includes at least one of a method using a contact relay device or a contactless logic circuit device to contact the device (SW-1 ˜). It will be desirable to have the On (Off) Switch (Switch) control operation for the SW-12.

In addition, the controller 400 may further include a driving power supply 700 for driving the switching device RL-400.

In this case, the driving power supply 700 may generate a DC voltage (for example, DC 12V, DC 24V, etc.).

In other words, the driving power supply 700 includes a conventional bridge rectifier circuit (not shown) for rectifying a conventional commercial AC voltage (for example, AC 220V) into a DC voltage. .

In addition, the driving power supply 700 includes a switching mode power supply (SMPS) (not shown) for generating a plurality of DC voltages to drive the amplifier system 100 including driving the switching device RL-400. It may also be configured to include a circuit further.

The device contacts SW-1 to SW-12 of the switching device RL-400 are controlled to switch to the audio signal L14 output to the signal output terminal 520 through the power amplifier 500. The controller unit 400 matches one audio signal ID (NO.1a to NO.12a) with a speaker ID (NO.1b to NO.12b) assigned to the speakers 600-1 to 600-12. It characterized in that it comprises a control system 800 for outputting a control signal to control the.

For reference, the signal input terminal unit 410, 510 and the signal output terminal unit 320, 420, 520 is a terminal as an interface means for transmitting audio signals L11 to L14. Or it may be preferable to connect using a connector or the like.

Next, in the present invention, the control system 800 that generates and outputs a control signal for controlling the controller 400, including setting the volume level and the sound quality level, including the selection of the input modes 210 to 240, is described. It will be described in more detail.

The control system 800 includes an input mode selector 200, a volume and sound quality control unit 300, and a control program 810 driven to control functions of the controller 400.

In addition, a screen unit 820 is configured to display control functions according to the driving of the control program 810 on a control screen (not shown).

Here, the screen unit 820 is integrally provided in the control system 800, or a screen provided in the display monitor, notebook computer that is separately connected to the control system 800 by an electrical signal and communication connection means It will also be possible to include at least one of the.

In other words, The screen unit 820 may include a cathode ray tube (CRT) or a liquid crystal display (LCD). However, it is preferable that the display unit 820 is not limited to the range of the screen unit 820.

Of course, it will be possible to display a control screen through the screen unit 820 to show various functional control states being controlled by the control system 800.

In this case, when the function control is performed, when the power of the control system 800 is turned on and the control program 810 is driven, the control screen is displayed by being displayed at a predetermined position of the screen unit 820, or On the screen unit 820, it may be displayed in the form of an OSD (On Screen Display).

In addition, the control screen input and output audio signal ID (NO.1 ~ NO.12) and output to identify the signal terminals provided in the signal input terminal unit 410 and the signal output terminal unit 420 of the controller unit 400 It may be desirable to add a symbol or symbol to the audio signal IDs NO. 1a to NO. 12a so that the confusion does not occur when the control screen is operated.

In addition, a key input unit 830 for generating a control signal by inputting a control command to a key input means to view the control screen displayed through the screen unit 820 and to set and control the control functions. Is composed.

The key input means includes at least one of a key button, a mouse, and a touch screen provided in the control system 800 to perform a function operation on the control screen. It would be desirable to do so.

In other words, the input audio signal ID (NO.1 to NO.12) and the output audio signal ID (NO) applied to the signal input terminal unit 410 and the signal output terminal unit 420 of the controller unit 400 through the control screen. By selecting and manipulating .1a through NO.12a by the key input means, the control signal generated accordingly is output from the control system 800 and supplied to the controller unit 400, thereby switching. The device contacts SW-1 to Sw-12 of the device RL-400 are turned on.

For example, the device contact point SW-1 of the switching device RL-400 provided in the controller unit 400 will be described. , 2, 7, 8, 9, 10, 11, 12 as the On (On) operation at the same time the audio signal ID (NO.1, 2, which is input to the signal input terminal 410 of the controller 400) Switching control to the audio signal IDs (NO.1a, 2a, 7a, 8a, 9a, 10a, 11a, 12a) from which 7, 8, 9, 10, 11, 12 are output to the signal output terminal unit 420 To be.

In addition, the display lamp 431 indicates a state in which the device contacts SW-1, 2, 7, 8, 9, 10, 11, and 12 of the switching device RL-400 operate through the status display unit 430. By turning on, the user can directly check the state in which the switching control is matched with the audio signal L13 output to the audio signal L12 input to the controller 400.

In addition, the speaker ID of the speaker system 600 in conjunction with the on-state operation of the device contact (SW-1, 2, 7, 8, 9, 10, 11, 12) of the switching element (RL-400) The speakers (600-1, 2, 7, 8, 9, 10, 11, 12) assigned to (NO.1b, 2b, 7b, 8b, 9b, 10b, 11b, 12b) will operate.

For reference, FIG. 5 schematically shows the configuration of the speaker system 600 based on 5.1 channels. Referring to the lecture room in which the amplifier system 100 is installed, the front left and right speakers 600 are illustrated. Center speakers (600-3), surround left and right speakers (600-4, 5), subwoofer speakers (600-6), and stage monitors For example, it may be preferable to include the speaker installed to the left and right speakers 600-7 and 8, the front left and right (600-9, 10) and the right front and back (600-11, 12) of the ceiling (Ceiling).

In addition, as described in the exemplary embodiment, the operation of the conference mode 220, the movie mode 230, the event mode 240, etc., in addition to the lecture mode 210 will be omitted.

In addition, the key input unit 830 is characterized in that it comprises a storage unit 840 for storing the state set and controlled.

The storage unit 802 may include electrically erasable and programmable read only memory (EPEPROM), erasable and programmable read only memory (EPROM), programmable read only memory (PROM), read only memory (ROM), and flash memory (Flash memory). It is preferable to use a memory element such as), but it is more preferable not to be limited to the above-mentioned examples.

The control system 800 may be configured to include at least one of a personal computer (PC), a notebook computer, and a keyboard equipped with a computer function.

Next, as another means for solving the problem of the present invention will be described in detail the switching control method of the audio signal to match the input mode.

FIG. 6 is a block diagram illustrating an example of a process for matching an audio signal input to a power amplifier according to a selected input mode according to the present invention.

First, a step (S612) of turning on the power of the control system 800 (S611) and driving the control program 810 on the screen unit 820 is provided.

When the control program 810 is driven, one of the input modes 210 to 240 is selected as a key input means from the plurality of input modes 210 to 240 to select the audio signal L11. An input mode selection step S613 for outputting is provided.

As described above, the input modes 210 to 240 are provided in the same place (for example, lecture hall, conference room, etc.), and the conference mode including conference mode 210 used when lectures or seminars is used. At least one mode of the conference mode 220 used when proceeding, the movie mode 230 for watching a movie, the song pride and event modes used when proceeding with various events are included. It will mean that, it may be added and changed by the user in consideration of the environment of the place.

In addition, when the input mode (210 ~ 240) is selected, the signal output terminal unit through the signal splitter 340 to match the speaker ID (NO.1b ~ NO.12b) specified for the audio signal (L11) to be output The signal distribution is set as a key input means to the audio signal IDs (NO.1 to NO.12) given to 320, and the audio for the set audio signal IDs (NO.1 to NO.12) is set. In step S614, the signal L12 is input to the signal input terminal unit 410 of the controller unit 400.

In addition, following the setting of the lowest volume level (Level) for the selected input mode (210 ~ 240) (S615), the key input means for the preferred sound quality level (Level) for the selected input mode (210 ~ 240) By setting (S616), and storing the set state (S621) is provided.

At this time, the volume level is set to the lowest level ('0'Level) through the control system 800 is a high level (High) output from the volume and the sound quality control unit 300 according to the change of the input mode (210 ~ 240) Level) of the audio signal (L12) is amplified through the power amplifier 500 is to be suddenly output to the speaker system 600 to prevent the surprise case in advance.

In addition, the sound quality level may be preferably set to an appropriate level by selecting at least one or more of the user's preference among the high, mid, and low sound levels through the control system 800.

When the volume level and the sound quality level are set, the input audio signal IDs NO.1 to NO.12 and the output audio signal IDs NO.1a to the audio signal L12 input to the controller 400 are set. The switching device RL-400 is operated by the key input means so that the audio signal L13 that is matched and outputted by the NO.12a is inputted to the power amplifier 500 to be amplified (S617), A step S621 of storing the controlled state is provided.

In this case, the switching device RL-400 may include at least one of a contact relay device and a contactless logic device.

In addition, by checking a matching error state of the switching-controlled input and output audio signals L12 and L13 (S618), if there is no error, the ID designated for the audio signal L14 output from the power amplifier 500 ( Characterized in that the process comprising the step (S619) to output to the speakers (600-1 ~ 600-12) of NO.1b ~ NO.12b).

Meanwhile, in the present invention, the setting of the volume level and the sound quality level, including the selection of the input modes 210 to 240, drives the control program 810 set up in the control system 800, so that the key input unit ( It is characterized in that the selection and control is performed by the operation of the key input means provided in 830.

In addition, if one of the input modes 210 to 240 is not selected in the input mode selection step S613, the controller 400 maintains the state of the input mode 210 to 240 previously selected and switched. Characterized in that it further comprises the step (S620).

In addition, the input audio signal IDs NO.1 to NO.12 and the output audio signal IDs NO.1a to NO.12a are matched with the audio signal L12 input to the controller 400. In step S617, when the switching control operation is performed such that the audio signal L13 is input to the power amplifier 500, the switching control state of the input audio signal L12 is turned on by the display lamp 431. Characterized in that it further comprises the step (S622).

In addition, the control system 800 may include at least one of a personal computer (PC), a notebook computer, and a keyboard equipped with a computer function.

In the present invention, the control system 800 is provided with a control program 810 is driven to control the function of the input mode selection unit 200, the volume and sound quality control unit 300, the controller unit 400 and The display unit 820 is configured to display control functions according to the driving of the control program 810 on a control screen.

The control screen includes an input audio signal ID (NO.1 to NO.12) and an output audio signal to identify the signal terminals provided in the signal input terminal unit 410 and the signal output terminal unit 420 of the controller unit 400. It is characterized by assigning a symbol or symbol to IDs NO.1a to NO.12a.

In addition, a key input unit 830 is provided to input a control command to set and control the control functions displayed through the control screen, and to store a state set and controlled through the key input unit 830. It further comprises a storage unit 840 for.

Since the storage unit 840 has already been described in detail above, it will be omitted.

In addition, the key input means may include at least one of a key button, a mouse, and a touch screen provided in the control system 800.

It will be apparent to those skilled in the art that various changes, modifications, and the like can be made without departing from the technical spirit of the present invention through the above description.

Therefore, the technical scope of the present invention should not be limited to the contents described by the embodiments as mentioned, which will be more preferably defined by the claims of the present invention.

Switching control technology of the audio signal to match the input mode according to the present invention is a technology for switching the audio signal to the speaker of the specified ID to match any one of the selected input mode, which is the setting of the amplifier system provided in the lecture hall, etc. In terms of the effect of improving the (Setting) operation, the invention is a highly available invention that is expected to increase in the future.

1 is a block diagram showing a circuit configuration in which an audio signal is output to a speaker system through an amplifier system according to a conventional input mode selection.

FIG. 2 is a block diagram illustrating a configuration of a switching control circuit for matching an audio signal input to a power amplifier according to a selected input mode according to the present invention.

FIG. 3 is a view illustrating in more detail a configuration of a controller unit operated by a control signal of a system controller in FIG. 2 according to the present invention.

FIG. 4 is a table illustrating an operation state of a switching device in order to output an audio signal through a controller unit according to the input mode in FIG. 3 according to the present invention.

FIG. 5 is a table showing an example of a state in which an audio signal output through a controller unit is matched with an input mode and is output to a speaker having a specified ID through a power amplifier.

FIG. 6 is a block diagram illustrating an example of a process for matching an audio signal input to a power amplifier according to a selected input mode according to the present invention.

Explanation of symbols on the main parts of the drawings

100: amplifier system 200: input mode selection unit

210: Lecture Mode 220: Conference Mode

230: Movie Mode 240: Event Mode

300: volume and sound quality control unit 320, 420, 520: signal output terminal

340: signal splitter 400: controller

410, 510: signal input terminal 430: status display

431: Lamp 500: Power amplifier

600: Speaker System 600-1 ~ 600-12: Speaker

700: drive power supply 800: control system

810: control program 820: screen unit

830: key input unit 840: storage unit

L11, L12, L13: Audio signal RL-400: Switching element

SW-1 ~ SW-12: Device Contact

Claims (16)

An input mode selection unit for selecting one of the plurality of input modes and outputting the audio signal L11; The audio signal for the audio signal ID in which the signal distribution is set in the signal distributor so as to match the speaker ID assigned to each speaker of the speaker system with respect to the audio signal L11 together with the setting of the volume level and the sound quality level for the selected input mode. Volume and sound quality control unit for outputting (L12); A controller unit having a switching element configured to input an audio signal L13 outputted by matching an input audio signal ID and an output audio signal ID with respect to the audio signal L12 in which the volume level and the sound quality level are set; Switching control of the device contact of the switching element, and outputs a control signal for controlling the controller unit so that the audio signal ID for the audio signal L14 output through the power amplifier matches the speaker ID specified in the speaker system; Switching control device of the audio signal to match the input mode, characterized in that configured to include. According to claim 1, wherein the volume and sound quality control unit if any one input mode is selected; a) the volume is set to the lowest level; And b) the sound quality is set to at least one of high, mid and low sound levels; Switching control device of the audio signal for matching to the input mode, characterized in that. According to claim 1, The controller unit; A driving power supply for driving the switching element; Switching control device of the speaker signal for matching to the input mode, characterized in that further comprises. According to claim 1, The controller unit; A state display unit for displaying an on-operation control state of the element contact of the switching element with a display lamp; Switching control device of the audio signal for matching to the input mode, characterized in that further comprises. According to claim 1, The switching element provided in the controller unit; a) contact relay element; or b) at least one of a contactless logic circuit; Switching control device of the audio signal to match the input mode, characterized in that configured to include. The system of claim 1, wherein the control system; At least one of a personal computer (PC), a notebook computer, and a keyboard equipped with computer functions; Switching control device of the audio signal for matching to the input mode, characterized in that configured to include. The system of claim 1, wherein the control system; a) a control program driven to control functions of the input mode selection unit, the volume and sound quality control unit, and the controller unit; b) a screen unit for displaying control functions according to the driving of the control program on a control screen; c) a key input unit for inputting a control command to set and control the control functions displayed through the control screen; d) a storage unit for storing a state set and controlled through the key input unit; Switching control device of the audio signal for matching to the input mode, characterized in that further comprises. The method of claim 7, wherein the control screen; Adding a symbol or a symbol to the input audio signal ID and the output audio signal ID to identify the signal terminals provided in the signal input terminal portion and the signal output terminal portion of the controller portion; Switching control device of the audio signal for matching to the input mode, characterized in that made. Turning on the power of the control system and driving the control program; An input mode selection step for outputting an audio signal L11 by selecting one input mode from a plurality of input modes when the control program is driven; If the input mode is selected, inputting an audio signal (L12) to the controller with respect to the audio signal ID whose signal distribution is set so as to match the speaker ID specified for the output audio signal (L11); Setting a preferred sound quality level for the selected input mode following the setting of the lowest volume level for the selected input mode, and storing the set state; When the volume level and the sound quality level are set, the switching element is input such that the audio signal L13 is input to the power amplifier by matching the input audio signal ID and the output audio signal ID with respect to the audio signal L12 input to the controller. Operating to perform switching control and storing the controlled state; Checking a matching error state with respect to the switched controlled input and output audio signals L12 and L13, and outputting a speaker having a specified ID to the audio signal L14 output from the power amplifier if there is no error; Switching control method of an audio signal for matching to the input mode, characterized in that the process comprising a. 10. The method of claim 9, wherein in the input mode selection step; a) if no input mode is selected; b) maintaining the input mode state previously selected and switched controlled by the controller unit; Switching control method of the audio signal for matching to the input mode, characterized in that the process further comprises. 10. The method of claim 9, wherein the switching control operation is performed such that an audio signal L13 output by matching an input audio signal ID and an output audio signal ID with respect to the audio signal L12 input to the controller is input to the power amplifier. In the step; Turning on a switching control state of the input audio signal with a display lamp; Switching control method of the audio signal for matching to the input mode, characterized in that the process further comprises. 10. The system of claim 9, wherein the control system; At least one of a personal computer (PC), a notebook computer, and a keyboard equipped with computer functions; Switching control method of the audio signal for matching to the input mode, characterized in that comprises a. 10. The apparatus of claim 9, further comprising: key input means provided in the control system; At least one of a key button, a mouse, and a touch screen; Switching control method of the audio signal for matching to the input mode, characterized in that comprises a. The method of claim 9, wherein the switching device; a) contact relay element; or b) at least one of a contactless logic circuit; Switching control method of the audio signal for matching to the input mode, characterized in that comprises a. 10. The system of claim 9, wherein the control system; a) a control program driven to control functions of the input mode selection unit, the volume and sound quality control unit, and the controller unit; b) a screen unit for displaying control functions according to the driving of the control program on a control screen; c) a key input unit for inputting a control command to set and control the control functions displayed through the control screen; d) a storage unit for storing a state set and controlled through the key input unit; Switching control method of the audio signal for matching to the input mode, characterized in that further comprises. The method of claim 15, wherein the control screen; Adding a symbol or a symbol to the input audio signal ID and the output audio signal ID to identify the signal terminals provided in the signal input terminal portion and the signal output terminal portion of the controller portion; Switching control method of the audio signal for matching to the input mode, characterized in that comprises a.

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