KR100956028B1 - Apparatus for practicing musical instrument performance - Google Patents

Abstract

The present invention relates to a musical instrument practice apparatus, the musical instrument practice apparatus for the practice of playing the electronic musical instruments according to the present invention, volume control, sound control, a plurality of selection signals and control signals for input including the selection of a specific instrument A key input unit having keys of; A memory unit for storing a MIDI file for song accompaniment or musical instrument performance, and a musical score for displaying a music code for performance; Receives a performance sound from at least one electronic instrument selected from among electronic instruments including an electric guitar, a bass guitar, and a saxophone, generates a mixing signal by mixing with a MIDI file signal provided through the memory unit, and in the mixing signal An audio processing unit which subtracts or selects a signal of a specific instrument and provides it to an external speaker or a headphone; In response to an external command input through the key input unit, the music score stored in the memory unit is output to a TV screen, and a MIDI file provided from an external MIDI instrument or a MIDI file stored in the memory unit is provided to the audio processing unit. And a control unit for performing overall operation control. According to the present invention, an amateur player or a student can easily perform a musical instrument practice, there is an advantage that it is easy to carry and use less space constraints.

Musical Instruments, Sheet Music, Singing

Description

Apparatus for practicing musical instrument performance

The present invention relates to a musical instrument playing practice apparatus, and more particularly, to a musical instrument playing practice apparatus useful when a small band or an individual wants to learn a musical instrument.

Recently, there is a growing demand to learn one or two instruments such as guitars, keyboards and saxophones. However, to meet these demands, there was only a method of direct education by experts, as in other arts fields, and there was no other way than to go to a music school or to receive tutoring.

This conventional method not only has a lot of time and space constraints but also has a very low efficiency. And even though I wanted to take a lesson from a good teacher, I didn't have many opportunities to get an education, and it was too expensive.

In addition, even if a professional has a considerable level, it is necessary to practice breathing with other performers or other singers as needed, but it is difficult to make time with other players (vocalists) at that time. There was no. In addition, most of these exercises are solo performances that rely on music scores. In actual performances, performances are performed through concerts with piano, chamber orchestra, symphony orchestra, etc. There is a problem in that the player adapts to the playing environment.

In addition, there is a problem that the player has limited use of time and place for practicing the piano, orchestra, and the like, and the cost is increased. There is a problem that they can not tune their music.

Accordingly, it is an object of the present invention to provide a musical instrument practice apparatus that can overcome the above problems.

Another object of the present invention is to provide a musical instrument practice apparatus for amateur musicians or students who want to learn the guitar or saxophone without a band.

Still another object of the present invention is to provide a musical instrument practice apparatus capable of automatically displaying musical scores and performing a performance practice of a specific musical instrument.

Another object of the present invention to provide a musical instrument practice apparatus capable of accompaniment.

Still another object of the present invention is to provide an instrument playing practice device that is easy to carry and has little space constraint.

Still another object of the present invention is to provide an instrument playing practice device that is easy to use.

According to an embodiment of the present invention for achieving some of the above technical problems, the musical instrument practice apparatus for practicing the practice of electronic musical instruments according to the present invention, various selection signals including volume control, sound control, the selection of a specific instrument and A key input unit having a plurality of keys for inputting a control signal; A memory unit for storing a MIDI file for song accompaniment or musical instrument performance, and a musical score for displaying a music code for performance; Receives a performance sound from at least one electronic instrument selected from among electronic instruments including an electric guitar, a bass guitar, and a saxophone, generates a mixing signal by mixing with a MIDI file signal provided through the memory unit, and in the mixing signal An audio processing unit which subtracts or selects a signal of a specific instrument to provide to an external speaker or a headphone; In response to an external command input through the key input unit, the music score stored in the memory unit is output to a TV screen, and a MIDI file provided from an external MIDI instrument or a MIDI file stored in the memory unit is provided to the audio processing unit. And a control unit for performing overall operation control.

The controller may include a sound engine for interpreting and converting a MIDI file stored in the memory unit.

The audio processing unit includes: at least one AD converter for receiving and digitally converting a performance signal generated from at least one electronic instrument among electronic instruments including an electric guitar, a bass guitar, and a saxophone; At least one equalizer for equalizing an output signal of the AD converter; A re-sampler for providing a MIDI file signal provided through the controller to the mixer by matching a sampling rate with the playing signal; When one performance signal is output through the at least one equalizer, the one performance signal and a MIDI file signal provided through the resampler are mixed and output, and two or more kinds of performances are performed through the at least one equalizer. A mixer for mixing and outputting two or more kinds of performance signals and a MIDI file signal provided through the resampler when the signals are output; A signal selector for removing a playing signal of a specific instrument from the mixing signal output through the mixer, or selecting and outputting only a playing signal of the specific instrument; At least one DA converter for converting an output signal of the signal selector into an analog signal and outputting the analog signal to an external speaker or a headphone; A PWM generator for outputting the output signal of the signal selector to a digital amplifier or a digital speaker may be provided.

The musical instrument practice apparatus, at least one for adding a sound effect including a distortion, chorus, overdrive, reverb, delay, a flanger to the playing signal generated in the at least one electronic instrument to provide to the audio processing unit It may further comprise an effector (effector) of.

The musical instrument practice apparatus, the foot pedal for inputting a command through the user's foot for the page turning function of the sheet music output from the control unit to the TV screen; A foot pedal controller may be further provided to control a command provided through the foot pedal and transmit the command to the controller.

The musical instrument playing apparatus further includes a microphone, which receives a user's voice signal input through the microphone to the controller, and mixes the voice signal with the MIDI file signal to provide the audio processor. By this, a song accompaniment function can be provided.

 The musical instrument practice apparatus may further include an MP3 encoder for generating an MP3 file by encoding an output signal output through the audio processing unit into an MP3 file and storing the MP3 file through the control unit.

The musical instrument practice apparatus, and an external memory connection for connecting a song pack or a memory card; The apparatus may further include an external device connection unit for communicating with a computer or a mobile phone.

According to the present invention, an amateur musician or student can easily perform a musical instrument practice, and the song accompaniment can be performed along with the song practice. In addition, there is an advantage that it is convenient to carry and use less space constraints.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, without any other intention than to provide a thorough understanding of the present invention to those skilled in the art.

1 is a block diagram of a musical instrument playing practice apparatus 100 according to an embodiment of the present invention.

As shown in FIG. 1, the musical instrument playing apparatus 100 according to an embodiment of the present invention includes a key input unit 135, a memory unit 130, an audio processing unit 120, and a controller 110. do. In FIG. 1, an electric guitar (Elec. Guitar) 240, a bass guitar 250, and a saxophone 250 are illustrated as examples for the user to practice playing a musical instrument. Electronic instruments may be included.

The key input unit 135 includes a plurality of keys for inputting various selection signals and control signals including volume control, sound control, and selection of specific instruments. Through the key input unit 135, the user can perform a control operation such as volume control or sound control of the performance signal output to the speaker. In addition, the user can input a command K for removing a performance sound of a specific musical instrument to practice playing, or a command K for selecting a specific musical instrument for ensemble. The input of the command K has a structure that can also be used by a remote controller.

The memory unit 130 is for storing a MIDI file for song accompaniment or musical instrument performance, and a musical score for musical performance. In addition, song lyrics for song accompaniment may be stored. The MIDI file is a concept including an accompaniment sound source (sound source for playing). To this end, a main memory having at least one RAM, a storage memory having at least one ROM including a flash memory, and a backup memory for data backup may be provided.

The audio processor 120 receives the play sound signals E, B, and S from at least one electronic instrument selected from among electronic instruments including an electric guitar, a bass guitar, and a saxophone, and the memory unit 130. Mixing with the MIDI file signal (M_1) provided through the to generate a mixing signal, and subtracts or selects a signal of a specific instrument from the mixing signal to provide to the external speakers or headphones. The detailed configuration of the audio processing unit 120 will be described again with reference to FIG. 2.

The controller 110 outputs the music score stored in the memory unit 130 to the TV screen 270 in response to an external command K input through the key input unit 135, and an external midi instrument 230. The MIDI file signal EM or the MIDI file stored in the memory unit 130 is provided to the audio processing unit 120, and the overall operation control of the musical instrument practice apparatus 100 is performed.

The controller 110 may include a sound engine for interpreting and converting a MIDI file stored in the memory unit 135 or a MIDI file provided from the outside. The sound engine is in charge of controlling voice or audio signals, and general operation control may be performed through a separate CPU.

The musical instrument practice apparatus 100, in addition, at least one effector (150), foot pedal 145, foot pedal controller 140, MP3 encoder 190, status display unit 180, microphone 220, an external memory connector 160, and an external device connector 170 may be provided.

The at least one effector 150 may include distortion, chorus, overdrive, and reverb to the playing signals E and B generated by the at least one electronic musical instrument 240, 250, and 260. In order to provide the audio processing unit 120 with the performance signals E_1 and B_1 to which the sound effects including a delay, a flanger, and an echo are added. The effector 150 may be separately provided in a number corresponding to the number of musical instruments used, or may control the signals of a plurality of musical instruments with one effector 150. However, in the case of a musical instrument that does not need to use the effector 150 (for example, saxophone) may not be connected.

The foot pedal 145 may be provided for the page turning function of the music score displayed on the TV screen 270 of the user. In order to turn the page of the sheet music displayed through the TV 270, a button or a key must be pressed using a hand. Most instruments, however, are designed to be played using hands, so if you want to pass the score you must stop playing and press a button or key. In order to prevent this, in the present invention, it is possible to implement the page turning function of the score through the command (P) input using the foot.

Of course, if the automatic page turning function is set through the command input through the key input unit 135, the controller 110 may implement to automatically turn the page music on the TV 270 screen at a predetermined time interval. It is possible. However, in the case of beginners, since the automatic page turning function may rather hinder performance, it will be convenient to use the foot pedal 145.

The foot pedal controller 140 controls the command P provided through the foot pedal 145 and transmits the command P to the controller 110.

 The MP3 encoder 190 encodes an output signal output through the audio processing unit 120 into an MP3 file, generates an MP3 file, and transmits the generated MP3 file to the controller 110. The MP3 file transmitted to the control unit 110 is stored in the memory unit 130. The MP3 file may be transmitted to a separate MP3 player or a computer through the external device connection unit 170 and may be played on these devices, so that the MP3 file may be used as an instrument practice or other mobile phone ringing.

The status display unit 180 is provided with an LCD (LCD) and the like, and displays the operation state and volume state of the instrument playing practice apparatus 100, the name of a musical instrument to be played, and the name of a song (music).

The microphone 220 is for implementing a song accompaniment function. In other words, it is to be able to sing a song based on the instrument playing sound provided by the instrument playing practice device (100).

The user's voice signal MIC input through the microphone 220 is input to the controller 110, and the controller 110 mixes the voice signal MIC with the MIDI file signal to the audio processor. If provided to 120, the song accompaniment function can be implemented by outputting it.

The audio signal of the microphone 220 may be provided to the controller 110 and also to the audio processor 120. In this case, the voice signal of the microphone 220 provided to the controller 110 is used as a score check or a pitch check, and the voice signal of the microphone 120 provided to the audio processing unit 120 is The audio processing unit 120 is mixed with the MIDI file signal M_1 provided through the control unit 110 and the performance signals of the electronic musical instruments 240, 250, and 260 to be output.

The external memory connection unit 160 may be provided for connecting a song pack or a memory card (SD card) storing a song accompaniment sound source file, an accompaniment file, or an instrument playing file.

The external device connection unit 170 is for communication with a computer or a mobile phone. In addition, the external device connection unit 170 may be used for the upgrade of the musical instrument practice apparatus 100, USB host (host) to receive or provide a song accompaniment sound or musical instrument files stored in the USB memory stick , A USB device, a USB hub, or the like may be employed.

The musical instrument practice apparatus 100 may further include a digital amplifier 195 for digitally amplifying the output of the audio processing unit 120 when the external speaker is a digital speaker.

FIG. 2 is a block diagram illustrating an internal configuration of the audio processing unit 120 of FIG. 1.

As shown in FIG. 2, the audio processing unit 120 includes at least one AD converter 124, at least one equalizer 126, a re-sampler mixer 127, and a signal selector 128. At least one DA converter 129a and 129b and a PWM generator 125.

The at least one AD converter 124 is a performance signal (E-1, B_1) generated in at least one of the electronic instruments including the electric guitar 240, the bass guitar 250, and the saxophone 260 And S) for digital conversion. The at least one AD converter 124 may be provided with separate AD converters 124a, 124b, and 124c for each of the electronic instruments 240, 250, and 260, and simultaneously process signals of the electronic instruments 240, 250, and 260. It may be provided with one AD converter 124 for.

The at least one equalizer 126 is for output signals E_2, B_2, and S_2 that equalize the output signal of the AD converter 124. The at least one equalizer 126 may also be provided with a certain number of equalizers 126a, 126b, and 126c corresponding to the number of electronic instruments, and one equalizer 126 may control all of these signals.

The resampler 122 outputs a MIDI file signal M_2 obtained by matching a sampling rate of the MIDI file signal M_1 provided through the control unit 110 with the performance signals E_2, B_2, and S_2 of the electronic musical instruments. do.

When the mixer 127 outputs one performance signal E_2, B_2, S_2 through the at least one equalizer 126, the mixer 127 and the resampler When the MIDI file signal M_2 provided through 122 is mixed and output, and two or more types of performance signals E_2, B_2, and S_2 are output through the at least one equalizer 126, the two or more kinds of performance signals are output. The performance signals E_2, B_2, and S_2 are mixed with the MIDI file signal M_1 provided through the resampler 122 to be output.

The signal selector 128 removes a performance signal of a specific instrument from the mixing signal output through the mixer 126 or selects and outputs only a performance signal of a specific instrument. Control of this may be possible through a preset default value or control through the controller 110. The signal selector 128 is for selectively outputting one musical instrument or removing one musical instrument sound when the electronic musical instruments 240, 250 and 260 are played in plural.

The at least one DA converter 129a and 129b converts the output signal of the signal selector 128 into an analog signal and outputs the analog signal to the external speaker S or the headphone H.

When the signal is output to the digital speaker, the output signal of the signal selector 128 is output to the digital amplifier 125 or the digital speaker D. For this purpose, a PWM generator 125 for PWM converting the signal of the signal selector 128 may be required.

 Hereinafter, the operation of the musical instrument practice apparatus 100 will be described.

First, the user selects an instrument to play and a song to play through the key input unit 130. In this example, it is assumed that the electric guitar 240, the bass guitar 250, and the saxophone 260 are selected.

The control unit 110 in the midi file signal stored in the memory unit 130 or the MIDI file signal input from the outside, the MIDI file to the audio processing unit 120 with the electronic instrument playing sound selected by the user is removed The signal M_1 is output. In this case, when the voice signal MIC is input through the microphone 220, the controller 110 may mix and output the MIDI file signal and the voice signal. Alternatively, when the voice signal MIC of the microphone 220 is input to the audio processor 120 separately, mixing of the voice signal MIC and the MIDI file signal M_1 may be performed by the mixer 127. Will be performed.

In addition, the controller 110 outputs the music score stored in the memory unit to the TV screen 270 which is an external device as shown in FIG. 3. In addition to the general notes, the music score is added with a music code for playing a guitar or saxophone. And a fingertip (tablature) indicating the position of the other finger can be displayed. In addition, it is also possible to simultaneously display or separately display guitar or saxophone sheet music.

When the user plays the electronic musical instruments 240, 250, and 260 while watching the sheet music, the playing signals E, B, and S are provided to the audio processing unit 120. In this case, the effector 150 may be used to effect the performance signals E, B, and S.

The audio processing unit 120 digitally converts and equalizes the playing signals E, B, and S of the electronic musical instruments 240, 250, and 260, and re-samples the MIDI file signal M_2 resampled by the resampler 122. Mix through mixer 127. In addition, the output signal of the mixer 127 is selected and output through the signal selector 128. At this time, the output signal is output by analog conversion or PWM conversion.

When the sheet music performance for one page is completed, the next page of the sheet music is output by the command input using the foot pedal 145 to continue the performance.

In the musical instrument practice described above, a chromatic tuner that mechanically determines and displays the interval repeat function for intensively repetition of specific measures, the metronome function for adjusting the tempo of music, and the tuning of semitones (chromatic tuner) function is additionally provided to control the performance of musical instruments.

The description of the above embodiments is merely given by way of example with reference to the drawings for a more thorough understanding of the present invention, and should not be construed as limiting the present invention. In addition, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the basic principles of the present invention.

1 is a block diagram of a musical instrument practice apparatus according to an embodiment of the present invention,

2 is a block diagram illustrating an internal configuration of the audio processing unit of FIG. 1;

3 illustrates a display screen of musical scores output by FIG. 1.

* Description of the symbols for the main parts of the drawings *

110 control unit 120 audio processing unit

130; Memory 135: Key Input

Claims (8)

In a musical instrument practice apparatus for practicing the playing of electronic instruments: A key input unit including a plurality of keys for inputting various selection signals and control signals including volume control, sound control, and selection of a specific instrument; A memory unit for storing a MIDI file for song accompaniment or musical instrument performance, and a musical score for displaying a music code for performance; In response to an external command input through the key input unit, the music score stored in the memory unit is output to a TV screen, and a specific musical instrument selected by a user from a MIDI file provided from an external MIDI instrument or a MIDI file stored in the memory unit is played. A controller for providing a MIDI file signal from which sound is removed and performing overall operation control; Receives a performance signal from at least one of the plurality of electronic instruments, including electric guitar, bass guitar, and saxophone, and mixes with the MIDI file signal provided through the control unit to generate a mixing signal, the mixing signal Equipped with an audio processing unit to remove the play signal of a specific instrument or to select only the play signal of a specific instrument, to provide to the external speakers or headphones, The audio processing unit, At least one AD converter for receiving and digitally converting a performance signal generated from a plurality of electronic musical instruments including an electric guitar, a bass guitar, and a saxophone; At least one equalizer for equalizing an output signal of the at least one AD converter; A re-sampler for providing a MIDI file signal provided through the control unit to match the sampling rate with the playing signal; When one performance signal is output through the at least one equalizer, the one performance signal and a MIDI file signal provided through the resampler are mixed and output, and two or more kinds of performances are performed through the at least one equalizer. A mixer for mixing and outputting two or more kinds of performance signals and a MIDI file signal provided through the resampler when the signals are output; A signal selector for removing a performance signal of a specific musical instrument or selecting and outputting only a performance signal of a specific musical instrument from the mixing signal output through the mixer; At least one DA converter for converting an output signal of the signal selector into an analog signal and outputting the analog signal to an external speaker or a headphone; And a PWM generator for outputting the output signal of the signal selector to a digital amplifier or a digital speaker. The method according to claim 1, The control unit is a musical instrument playing apparatus, characterized in that provided with a sound engine for interpretation and conversion of the MIDI file stored in the memory unit. delete The method according to claim 1, The musical instrument practice apparatus, At least one effector for providing the audio processing unit by adding sound effects including distortion, chorus, overdrive, reverb, delay, and plunger to the performance signal generated by the plurality of electronic instruments Instrument playing practice device further comprising. The method according to claim 1 or 4, wherein the musical instrument practice apparatus, A foot pedal for inputting a command through the user's foot for the page turning function of the music score output from the controller to the TV screen; And a foot pedal controller for controlling a command provided through the foot pedal and transmitting the command to the controller. The method according to claim 1 or 4, The musical instrument practice apparatus further includes a microphone, receiving a user's voice signal input through the microphone to the controller, and mixing the voice signal with the MIDI file signal to provide the audio processor to the audio processor. And the audio processing unit provides a song accompaniment function by mixing and outputting a mixing signal of the voice signal and the MIDI file signal and the performance signal. The method according to claim 6, The musical instrument playing apparatus further comprises an MP3 encoder for generating an MP3 file by encoding an output signal output through the audio processing unit into an MP3 file and storing the MP3 file through the control unit. Exercise device. The method according to claim 7, The musical instrument practice apparatus, and an external memory connection for connecting a song pack or a memory card; Instrument for playing musical instruments, characterized in that further comprising a connection to the external device for communication with a computer or a mobile phone.

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