KR0135451B1 - Method of setting audio in a digital music accompaniment - Google Patents

Abstract

The present invention relates to an audio setting method of a digital song accompaniment system. When a user presses a mode button and then selects an audio setting for audio setting of an audio signal output to a speaker of a song accompaniment system, a corresponding submenu is displayed. Displayed on the monitor, and the user selects a desired menu through the key input section, the microphone echo and microphone equalization and acoustic data equalization can be adjusted automatically or as a set numerical value. At this time, if the user arbitrarily adjusts, select the user mode, and then adjust it using the selection switch and the control switch provided in the key input unit, the microcomputer stores the audio setting adjusted by the user in the sound source storage medium, and is selected by the user. The sound data of the sound source data for the song is processed according to the audio settings stored in the sound source storage medium, and then provided as a mix, and the user's voice data input through the microphone can be adjusted by user-controlled echo and equalization. Generate a control signal. Therefore, the user's voice data input through the microphone is adjusted to the echo and equalization adjusted by the user, and then mixed with the acoustic data and tooled through the speaker, thereby making the software's echo, equalization and equalization of the acoustic data software. It is possible to reduce the production cost and to more actively cope with audio processing according to the surrounding environment of the song accompaniment device and the taste of many users.

Description

How to set up audio for a digital song accompaniment system

1 is a schematic block diagram of a digital song accompaniment system for performing an audio setting method according to the present invention.

2 is a flowchart showing an operation of setting audio of a digital song accompaniment system according to a preferred embodiment of the present invention.

3A and 3B are views for explaining an operation process of setting audio of the song accompaniment system according to the present invention.

* Explanation of symbols for main parts of the drawings

110: key input unit 120: sound storage medium

130: microcomputer 140: MPEG-CDV

150: image processing unit 160: mixer.

The present invention relates to a digital song accompaniment system, and more particularly, to an audio setting method of a digital song accompaniment system capable of adjusting audio of audio data and audio data.

Recently, as part of a way to satisfy the public's desire for music, karaoke, pubs and karaoke have gradually increased, and along with this trend, more accompaniment and song accompaniment for the convenience of the public The instrument continues to play.

On the other hand, the digital song accompaniment device is the sound data of the song selected by the user and the user's voice data input from the microphone is mixed (MIXING) and output to the speaker, LD (LASER DISK; hereinafter) through the monitor provided in the song accompaniment device (Abbreviated as LD) or image data provided from a video tape is displayed as a background image. At this time, the lyrics data of the song selected by the user is overlaid on the background image and processed as OSD (ON SCREEN DISPLAY).

At this time, the user or the operator can adjust the audio (specifically echo and volume, etc.) of the sound data output to the speaker by using the control switch provided in the predetermined portion of the song accompaniment device.

However, since the song accompaniment apparatus of the related art adjusts audio of acoustic data (including voice data of a user input through a microphone) in hardware, there is a problem in that the complexity of the structure and the manufacturing cost increase. In addition, regardless of the environment in which the audio of the accompaniment device is used, for example, at home or outdoors, or karaoke, the echo of the acoustic data and the equalization of the fornication data are preset. There is a problem that does not satisfy the taste of the user.

Accordingly, an object of the present invention is to provide an audio setting method of a digital song accompaniment system in which a user can set audio of acoustic data in software.

Another object of the present invention is to provide an audio setting method of a digital song accompaniment system that can deal with microphones, sound data, and audio settings separately, thereby more adaptively responding to the surrounding environment.

In order to achieve the above object, the present invention provides a method for setting audio of an audio signal output through a loudspeaker of a digital song accompaniment system. A first step of displaying a menu for setting audio stored in a storage medium on a monitor; and in the first step, a user sets an audio state of the sound signal through the key input means and is provided in the key input means. Presses the end button, and the second step of storing the set audio state in the sound source storage medium; if a song is selected by the user, the corresponding sound source data is extracted from the sound source storage medium, and the audio processing is performed according to the set audio state. And then a third step of outputting to the speaker. Provides a method for setting audio of a song accompaniment system.

Other objects and various advantages of the present invention will become more apparent from the preferred embodiments of the invention described below with reference to the accompanying drawings by those skilled in the art.

On the other hand, in the embodiment of the present invention, the error setting of the digital song accompaniment system is to set microphone echo, microphone equalization, and acoustic equalization.

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

1 is a schematic block diagram of a digital song accompaniment system for performing audio setup according to the present invention, and includes a key input unit 110, a sound source storage unit 120, a microcomputer 130, and an MPEG-CDV (MOTION PICTURE EXPERT). GROUPCOMPACT DISK VIDEO (hereinafter abbreviated as MPEG-CDV 140), an image processor 150 and a mixer 160.

In FIG. 1, the key input unit 110 inputs a control signal from a keypad provided in the remote controller wirelessly, and inputs a corresponding button signal when a button is pressed from a keypad on its own panel by a user's operation. In particular, all buttons for displaying the mode menu, selection buttons for selecting up and down and left and right of the submenu displayed by the monitor, control buttons for adjusting the size corresponding to each submenu, and And an end button for terminating the adjustment.

The sound source storage medium 120 stores mode menus corresponding to all the buttons provided from the key input unit 110 and sub-menu data for each menu, and each sound source data for a plurality of songs (in this case, the song Sound and lyrics data), the preset echo control state when the microphone echo is automatically set, the predetermined number of microphone echo control conditions according to the surrounding environment of the song accompaniment system, and the automatic The preset equalization adjustment state at the time of setting, the microphone equalization adjustment state of the egg which is different to the surroundings of the song accompaniment system, the preset equalization adjustment state at the time of automatic data equalization setting, the setting according to the surrounding environment of the song accompaniment system Stores a predetermined number of acoustic data equalization adjustments.

Meanwhile, when a song is selected by a user's manipulation, the microcomputer 130 extracts sound source data for a plurality of songs stored in the sound source storage medium 120 and provides lyrics data to the image processor 150 among the sound source data. Based on the presence / absence signal of the image data provided from the image processor 150, the image data provided from the outside and the image data stored in the MPEG-CDV 140 are selectively provided to the image processor 150, and the sound source storage medium The sound data of the sound source data extracted from the 120 is provided to the mixer 160 after audio processing (acoustic data equalization adjustment) based on the adjusted state of each submenu which is mastered in the sound storage medium 120. At the same time, the microcomputer 130 generates a control signal for adjusting user voice data input through the microphone based on echo and equalization of the microphone controlled by the user.

In FIG. 1, the MPEG-CDV 140 stores a predetermined group of image data set according to the genre of a sound source for a plurality of songs stored in the sound source storage medium 120, wherein the genre is a rhythm of the song. There are four kinds of things: Rosa, Trot, Gogo, Slow Rock, Disco, Reggae.

Then, the image processor 150 checks the presence or absence of image data provided from an external device, for example, LD or video tape, and provides the presence / absence signal to the microcomputer 130 to the control signal of the microcomputer 130. Based on the selected image data and the lyrics data provided through the microcomputer 130, the image data is displayed on the monitor as the background image, and the lyrics data is displayed on the monitor as OSD by subtitle processing.

In addition, the mixer 160 receives sound data from the audio-processed (ie, equalized control of sound source data) sound source storage unit 120 provided through the microcomputer 130, and a user voice provided through a microphone. After adjusting the echo and equalization based on the control signal for controlling the data from the microcomputer 130 (microphone echo and microphone equalization), the sound and voice data from the sound source storage unit 12 are mixed and then the speaker Will output

An operation process of setting audio through the digital song accompaniment system composed of the above-described members will be described in more detail with reference to FIGS. 1, 2, and 3.

First, when the user presses a mode button provided on the remote controller or its own panel to adjust the audio of the sound data output through the speaker (in detail, microphone echo, microphone equalization, sound data equalization adjustment) (step 210, a mode button signal is generated from the key input unit 110 and provided to the microcomputer 130, and the microcomputer 130 is stored in the sound source storage medium 130 based on the mode button signal provided from the key input unit 110. The mode menu is extracted and provided to the image processor 150.

Accordingly, the mode menu stored in the sound source storage medium 130 is signal-processed by the image processor 150, and then the mode menu as shown in FIG. 3A is displayed on the monitor.

On the other hand, when the mode menu as shown in (a) of FIG. 3A is displayed on the monitor, when the user presses button 1 of the number buttons provided on the remote controller or the own panel to set the audio, the corresponding button signal is output. It is generated from the key input 110 and provided to the microcomputer 130.

Accordingly, the microcomputer 130 pulls out a sub-menu for audio setting stored in the sound source storage medium 120 and provides it to the image processing unit 150, which is processed by the image processing unit 150, and then, FIG. The submenu as shown in b) is displayed on the monitor. (Step 220)

Meanwhile, in step 220, when the user presses the first button provided on the remote controller or the own panel, the submenu for the microphone echo is displayed on the monitor, and when the second button is pressed, the submenu for the microphone equalization is displayed on the monitor. When the button 3 is pressed, a submenu for equalizing the acoustic data is displayed, which will be described in more detail below.

First, in step 220, when the user presses the first button provided on the remote controller or its own panel to control the echo of the microphone, a corresponding button signal is generated from the key input unit 110 and provided to the microcomputer 130. The microcomputer 130 extracts the bomeno for the microphone echo stored in the sound source storage medium 120 and provides the image to the image processor 150.

Accordingly, the submenu for the echo of the microphone provided through the microcomputer 130 is signal-processed through the image processor 150, and then the bar and the microphone shown in (C) of FIG. 3A are displayed on the monitor as the submenu for the echo. do. (Step 225)

Here, the user presses button 1 on the remote control or its own panel to adjust the echo of the desired microphone, and the user presses button 2 to automatically set the echo of the microphone, and to adjust the echo of the microphone for men only. Button 3, to set the microphone echo to female only, button 4, to set the echo of the preset microphone for the karaoke machine's surroundings (eg, home, outdoor, karaoke, etc.) 5,6 Press the, 7 buttons (Setup # 1, Setup # 2, Setup # 3), and press button 0 to exit mic echo.

In this case, the male-only echo refers to a preset microphone echo state in which the microphone emphasizes low tone, and the female-only echo refers to a preset microphone echo state in which the microphone emphasizes high tone.

On the other hand, when the user presses the button 2 while the sub-menu for echo of the microphone is displayed through the monitor in step 225, the microphone is echoed by the microcomputer 130 is stored in the sound source storage medium 120 The microphone is adjusted to the echo control state of the established microphone, and when the user presses the 5, 6, or 7 buttons, the microphone is echoed by the microcomputer 130 to the surrounding environment of the song accommodating device stored in the sound source storage medium 120. According to the preset microphone.

On the other hand, when the user presses the first button while the submenu for microphone echo is displayed through the monitor in step 225, a corresponding button signal is generated from the key input unit 110 to micom 130 The microcomputer 130 provides the image processing unit 150 with a submenu for the microphone echo from the sound source storage medium 120.

Then, the submenu for the microphone echo provided through the microcomputer 130 is signal-processed by the image processing unit 150 and then submenus (echo volume, delay time, repetition) as shown in FIG. Volume, chorus depth, reverberation sound, and reverberation delay time display are displayed on the monitor, and the user selects a button (▲, ▼) to select a submenu in the microphone Press the button for adjustment) to select the desired submenu, then operate the control button (the buttons for adjusting the amount of the selected submenu in microphone echo mode and the tempo adjustment button). Adjust the submenu by (step 230).

Second, in step 220, when the user presses the button 2 provided on the remote controller or its own panel to control the equalization of the microphone, a corresponding button signal is generated from the key input unit 110 to the microcomputer 130. The microcomputer 130 provides the image processing unit 150 with the microphone stored in the sound source storage medium 120 to extract a submenu for the equalization.

Accordingly, the submenu for the equalization of the microphone as shown in (a) of FIG. 3B is processed by the image processing unit 150 after the submenu for the equalization of the microphone provided through the microcomputer 130 is monitored. Is displayed. (Step 235).

Here, the user presses button 1 on the remote control or its own panel to adjust the desired microphone's equalization state, and the user presses button 2 and the microphone's equalization to automatically set the microphone equalization. Button 3 to adjust the equator, and button 4 to adjust the equalization of the mic for women, and mic equalization preset for the surrounding environment (eg home, outdoor, karaoke, etc.). Press button 5 and 6 (Setting # 1, Setting # 2) to set, press button 7 to not set the equalization of the microphone, and press button 0 to end the equalization of the microphone.

In this case, the equalize for men refers to a preset microphone equalize state for emphasizing the bass of the microphone, and the equalize for women refers to a preset microphone equalize state for emphasizing the high tone.

On the other hand, when the user presses the button 2 in the state in which the submenu for equalizing the microphone is displayed through the monitor in step 235, the equalization of the microphone by the microcomputer 130 to the sound source storage medium 120. The preset microphone is stored in the equalization control state, and when the user presses the button 5 or 6, the micro-equipped sound source storage medium 120 is stored in the surrounding environment of the song repeater by the microcomputer 130. The preset microphone is adjusted to the equalization adjustment state, and when the user presses the seventh button, the microphone is equalized by the microcomputer 130 and is not adjusted for all frequencies.

On the other hand, the submenu for equalizing the microphone via the monitor in step 235 is signal-processed by the image processing unit 150 and then submenus as shown in (b) of FIG. 3B (within the set picking range). Equalize submenus that can be adjusted for each frequency are displayed on the monitor, and the user selects the submenu on the remote control or its own panel (buttons for selecting submenus in the microphone equalizing state). Button to select the desired frequency, and then operate the control button (the buttons (▲, ▼) for adjusting the volume of the selected frequency at the same time as the microphone equalize) and the volume control buttons) to desire the equalization of the microphone. Each frequency is adjusted by the amount (step 204).

Here, the set frequency range refers to 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, and 10 kHz.

Third, in step 220, the user presses button 3 provided on the remote controller or its own panel to set equalization of the acoustic data, and a corresponding button signal is generated from the key input unit 110 so that the microcomputer 130 ), The microcomputer 130 pulls out a sub-menu for the equalization of sound data stored in the sound source storage medium 120 and provides the same to the image processor 150.

Therefore, the submenu for the equalization of the acoustic data provided through the microcomputer 130 is signal-processed by the image processing unit 150 and then the submenu for the equalization of the acoustic data as shown in (C) of FIG. 3B. Is displayed on the monitor (step 245).

Here, the user presses button 1 on the remote control or its own panel to adjust the desired sound data to the equalization state, and the user presses button 2 to equalize the sound data automatically, and equalizes the sound data. Button to adjust the live sound, button 4 to adjust the equalization of sound data to wide, and setting of sound data set to the environment (eg home, outdoor, karaoke, etc.) of the song accompaniment device. Press button 5 or 6 (Setting # 1, Setting # 2) to set equalize, press button 7 to not set equalization of sound data, and press button 0 to finish equalizing sound data. Press.

In this case, the live equalization refers to an equalization state of preset sound data for outputting the sound signal output to the speaker as if performing in front of the user, and the wide equalization refers to the sound signal output to the speaker. Refers to the equalized state of preset sound data for outputting farther.

On the other hand, when the user presses the second button while the submenu for equalizing the acoustic data is displayed on the monitor in step 245, the equalization of the acoustic data is generated by the microcomputer 130 as the sound source storage medium ( 120 is adjusted to the equalization control state of the preset sound data stored in the user, and when the user presses the button 5, 6, the equalization of the sound data is stored in the sound source storage medium 120 by the microcomputer 130. It is adjusted to the equalization control state of the preset sound data different to the surroundings of the karaoke cycle machine, and when the user presses the seventh button, the equalizer of the sound data is not adjusted by the microcomputer 130.

On the other hand, when the user presses the first button while the submenu for equalizing the acoustic data is displayed on the monitor in step 245, a corresponding button signal is generated from the key input unit 110 to micom The microcomputer 130 extracts a submenu for equalizing sound data from the sound source storage medium 120 and provides the image to the image processor 150.

Then, the submenu for the equalization of the acoustic data provided through the microcomputer 130 is signal-processed by the image processing unit 150, and then the submenu as shown in (d) of FIG. 3B (within the set frequency range). Equalize submenus that can be adjusted for each frequency are displayed on the monitor, and the user selects the submenu on the remote control or its own panel (buttons for selecting submenus in the microphone equalizing state). Button to select the desired frequency, and then operate the control button (the buttons (▲, ▼) for adjusting the volume of the selected frequency at the same time as the microphone equalize) and the volume control buttons) to desire the equalization of the microphone. Adjust each frequency by the amount (step 250).

As described above, the user adjusts the desired audio (microphone echo, microphone equalization, acoustic data equalization) respectively, and then presses the 0 button to end the audio setting as shown in FIG. 3A. A corresponding button signal is generated from the key input unit 110 and provided to the microcomputer 130, and the microcomputer 130 controls the audio setting adjusted by the user based on the button signal provided from the key input unit 110. Save to 120 (step 225).

Next, when the user selects a desired song through the keypad provided in the remote control panel or the own panel of the song accompaniment system (step 260), the microcomputer 130 stores the sound source data corresponding to the song selected by the user. The lyrics data is extracted from the media 120, and the lyrics data of the extracted music is provided to the image processor 150, and the acoustic data of the music data of the songs extracted from the sound source storage medium 120 is a sound source storage medium ( The sound data is adjusted according to the audio settings adjusted by the user stored in the control unit 120), and then the sound data is provided to the mixer 160, and the sound data is stored in the sound source storage medium 160. The controller 160 generates a control signal for adjusting user voice data input through the microphone with equalization.

At this time, when no video signal is input from the image processor 150, the microphone 130 extracts image data corresponding to the genre of the song selected by the user from the MPEG-CDV 140 and provides the image data to the image processor 150. When the video signal flow signal is input from the image processor 150, the microcomputer 130 selectively provides the image data from the outside and the image data as the MPEG-CDV 140 to the image processor 150 by the user's selection.

Accordingly, the image data provided from the external or MPEG-CDV 140 and the lyrics data from the sound source storage medium 120 provided through the microcomputer 130 are signal-processed and then provided from the external or MPEG-CDV 140. The image data is displayed on the monitor as a background image, and the lyrics data from the sound source storage medium 120 provided through the microcomputer 130 are OSD-processed to be displayed on the monitor as subtitles.

Then, the audio data processed through the microcomputer 130 is provided to the mixer 160, and the user's voice data input through the microphone is based on a control signal for adjustment from the microcomputer 130 based on the sound source storage medium. The sound is controlled by echo and equalization of the microphone controlled by the user stored at 120, and then mixed with sound data and output to the speaker (steps 260 and 270).

As described above, when the user presses the mode button and then selects the audio setting for audio setting of the sound signal output to the siphon of the song accompaniment system, a corresponding submenu is displayed on the monitor, and the user inputs the key input unit ( By selecting the desired menu through 110, the microphone echo and microphone equalization and acoustic data equalization can be adjusted automatically or as a set value. At this time, if the user selects a user mode to arbitrarily adjust and then adjusts using the selection switch and the control switch provided in the key input unit 110, the microcomputer 130 adjusts the audio settings adjusted by the user sound source storage medium 120 ), And generates a control signal for adjusting the echo and equalization adjusted by the user. Therefore, the user voice data input through the microphone is adjusted to the echo and equalization adjusted by the user, and then the sound data is adjusted. Mixed with and output through the speaker.

Therefore, by using the present invention, the echo of the microphone and the equalization of the equalization and sound data can be adjusted in software, thereby reducing the production cost and at the same time depending on the surrounding environment of the song accompaniment device and the taste of many users. It is effective to cope with audio processing more actively.

Claims (6)

In the method for setting the audio of the audio data output through the speaker of the digital song accompaniment system, when the user presses the mode button through the key input means 110 and selects the audio setting, the sound storage medium 120 is stored Displaying a menu for a predetermined audio setting on a monitor; In the first step, when the user sets the audio state of the sound signal through the key input means 110 and then presses the end button provided in the key input means 110, the user sets the audio state to the sound source storage medium ( A second step of storing at 120; When a song is selected by the user, a digital song accompaniment comprising a third step of extracting the corresponding sound source data from the sound source storage medium 120, processing the audio according to the set audio state, and then outputting it to the speaker. How to set audio of system. The apparatus of claim 1, wherein the menu for audio setting comprises; Menu for microphone echo; A menu for the microphone equalization; And a menu for the acoustic data equalization, wherein each menu is separately set. The method of claim 2, wherein the menu for the microphone echo is selected from the group consisting of: a menu for microphone echo; A user mode that can arbitrarily adjust the echo of the microphone desired by the user within a set range; An automatic mode for automatically adjusting the echo of the microphone to a preset echo control state within the set range; A male-only mode for adjusting the echo of the microphone by emphasizing the bass within the set range; An excitation-only mode in which the microphone adjusts the echo by emphasizing the treble within the set range; A setting mode for adjusting an echo of the microphone to a preset echo control state according to a surrounding environment of the song accompaniment system within the set range; And an end mode for terminating the echo control of the microphone. The audio setting method of claim 2 or 3, wherein the set range of the microphone echo controls the microphone to adjust the echo volume delay time, the repeat volume, the chorus depth, the reverberation volume, and the reverberation delay time. . 3. The method of claim 2, wherein the menu for microphone equalization; A user mode for arbitrarily adjusting a desired equalization of the microphone within a set frequency range; An automatic mode for automatically adjusting the equalization of the microphone to a predetermined equalizing adjustment state according to each frequency within a set frequency range; A live mode for adjusting each frequency to be dedicated to live within the set frequency range of the microphone equalization; A wide mode for adjusting each frequency to be wide dedicated within an established frequency range of the microphone; A setting mode for adjusting an equalization of the microphone to a preset frequency control state according to a surrounding environment of the song accompaniment system within a set frequency range; A stop mode without using the equalization of the microphone; And a termination mode for ending the echo control of the microphone. According to claim 2, wherein the menu for the sound source data equalization; A user mode for arbitrarily adjusting the equalization of the sound source data desired by the user within a set frequency range; An automatic mode for automatically adjusting the equalization of the sound source data to a preset equalization control state according to each frequency within a predetermined frequency range; A live mode for adjusting the respective frequencies to be live-only within a set frequency range of the sound source detia; A wide mode for controlling each frequency to be wide dedicated within the set frequency range of the equalization of the sound source data; A setting mode for adjusting the equalization of the sound source data to an existing frequency control state according to the surrounding environment of the song accompaniment system within a set frequency range; A stop mode not using the equalization of the sound source data; And an end mode for terminating the echo control of the sound source data.