KR100716058B1 - Apparatus for interactive study using microphone having position sensor - Google Patents

Abstract

The present invention relates to an interactive learner using a microphone with a built-in position sensor, the interactive learner according to the present invention, the position detection signal generated by the movement through the at least one built-in position sensor, by the user At least one microphone for transmitting a synthesized signal obtained by converting an input audio signal and a control signal input through a button into an electrical signal; The audio signal among the signals transmitted from the microphone is processed and synthesized with a sound source, and the mouse operation is performed using the position detection signal among the signals transmitted from the microphone, or the gesture and the movement are recognized. And a main body configured to signal-process and output subtitles and / or video signals provided in an internal memory or externally in response to a control signal transmitted through the microphone or a control signal provided through a remote controller. According to the present invention, there is an effect that can increase the learning efficiency, such as language of infants and children.

Accelerometer, Gyro Sensor, Language, Microphone, Music Cycle

Description

Apparatus for interactive study using microphone having position sensor}

1 is an external perspective view of a learner according to an embodiment of the present invention,

2 is a block diagram illustrating the internal configuration of the microphone of FIG. 1;

3 is a block diagram illustrating an internal configuration of the main body of FIG. 1.

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

100: CPU block 200: microphone

225: audio signal input unit 245: position detection sensor unit

275; Transmitter 355: Image signal processor

370: second main process unit 398: button input and display

400: main body 427: signal receiving unit

460: audio signal processing unit

The present invention relates to an interactive learner using a microphone with a built-in position sensor, and more specifically, to detect a position of a microphone moved by a user, and includes a position sensor capable of rhythm game, rhythm learning, song accompaniment, and the like. To an interactive learner using an integrated microphone.

Conventional techniques for learning languages, such as the way in which learners install and learn a separate device for learning and the learner accesses the learning system through the Internet or other wired communication without installing a separate device to learn Are distinguished.

In the case of language, etc., the learning system is used to learn a foreign language by listening to the voice guidance broadcasted by the system and listening to the contents of the contents and listening to the desired part after the learner accesses the system using a telephone. It allows you to learn. Since this method provides only one-sided listening-based learning method, it does not evaluate learner's pronunciation and listening ability, and does not provide a method for improving or evaluating conversational ability.

The learner installs a separate device and learns that the learner's voice is compared with the learner's voice sample pre-stored by the learner when the learner listens and pronounces the sound heard from the device. It allows you to judge and correct the adequacy and correctness of pronunciation.

Of these learning methods, however, these conventional methods are not suitable for learners as children or children. Infants and children are not only difficult to access such a system, but also difficult to operate in the case of devices. In addition, in the case of infants and young children easily get tired, for the desired level of learning effect is required a learning method having a content or device that can cause interest.

Due to these needs, various learning systems for infants and children have been developed. For example, learning methods using word picture books and visual language learning using DVDs and VCDs have been developed. In addition, as a way to learn a language, such as playing a song picture book, alphabet picture book, story picture book, etc. to learn naturally. However, these picture books and visual learning methods rely solely on visual and auditory effects, making it difficult to induce continuous fun or interest in infants and children. Therefore, there is a need for a learner capable of efficient language and other learning while still causing fun and interest to infants and children.

Accordingly, an object of the present invention is to provide an interactive learner using a microphone with a built-in position sensor that can overcome the above-mentioned problems.

Another object of the present invention is to provide an interactive learner using a microphone with a position sensor that can induce interest through learning or playing and naturally learn languages.

Another object of the present invention is to provide an interactive learner using a microphone with a built-in position sensor that can improve the learning efficiency, such as language.

Still another object of the present invention is to provide an interactive learner with the singing cycle function.

According to an embodiment of the present invention for achieving some of the technical problems described above, the interactive learner according to the present invention, the position sensing signal generated by the movement through the at least one built-in position sensor, input by the user At least one microphone for transmitting an audio signal and a combined signal obtained by converting and synthesizing a control signal input through a button into an electrical signal; The audio signal among the signals transmitted from the microphone is processed and synthesized with a sound source, and the mouse operation is performed using the position detection signal among the signals transmitted from the microphone, or the gesture and the movement are recognized. And a main body configured to signal-process and output subtitles and / or video signals provided in an internal memory or externally in response to a control signal transmitted through the microphone or a control signal provided through a remote controller.

The main body may further include a song reciprocating function for outputting accompaniment, subtitles and images according to a song selected through the button of the microphone or the remote controller, and real time storing and reproducing of an audio signal transmitted through the microphone. It may be provided.

The microphone may include an audio signal input unit configured to receive an audio signal of a user, amplify the digital signal, and convert the audio signal into a digital signal; A position detection sensor unit having at least one position detection sensor to generate a position detection signal according to the movement of the microphone; A button input unit for inputting a control signal for selection of a control of the main body, a control of the position sensor, and a song, etc. through a button attached to the outside of the microphone; Performs overall control on the operation of the microphone, encodes and controls the digital audio signal output from the audio signal input unit, converts the position detection signal and controls the position detection sensor, and encodes the encoded audio signal And a CPU block converting the synthesized signal obtained by combining the position detection signal and the control signal to be suitable for transmission. It may be provided with a RF transmitting and receiving module for transmitting the synthesized signal wirelessly or by wire. The microphone may further include a display unit configured to display information of the control signal and / or an operation state of the microphone so that a user can recognize it.

The position detecting sensor unit may include an acceleration sensor and / or a gyro sensor. The CPU block includes: a first main process unit which performs overall control regarding the operation of the microphone; An audio codec for encoding and controlling a digital audio signal output from the audio signal input unit; A sensor controller and converter configured to convert the position detection signal and control the position detection sensor; A data synthesizing and converting unit converting the encoded audio signal, the position detection signal, and the control signal into a synthesized signal suitable for transmission; Signal input and output interfaces for various signals input and output to the CPU block; An RF controller and a channel selector for controlling the transmitter and selecting a channel may be provided.

The main body includes: a signal receiving unit for receiving the synthesized signal transmitted by wire or wirelessly and separating and outputting the control signal, an audio signal, and a position detection signal; A multi-purpose input / output controller for inputting and outputting two or more signals from the outside, and various interfaces including a memory interface and an optical interface, and receive the control signal, the position detection signal, and other signals to perform overall operation control of the main body. A second main processing unit; The audio signal is controlled by the second main process unit, and the audio signal output through the signal receiving unit and the audio signal input through the second main process unit are signal processed, mixed with a sound source, echo, effect sound, etc., and converted into an analog signal. An audio signal processor for outputting to the outside; A memory unit for storing various software, audio files, flash animation and video files for operation of the main body, storage of an operating system, etc., data backup; A video signal controlled by the second main process unit, which processes video signals such as caption, video, and position indication of a microphone through the position detection signal and outputs them to an external display device or processes an externally input video signal. The processing unit may be provided. The main body may further include an external expansion pack interface including an external memory card interface for receiving external memory card information and / or a plurality of expansion slots for adding an external expansion pack. The main body may further include a USB interface for connecting to a scanner, a wired / wireless mouse, a pronunciation pen, and / or a printer.

The main body may include a button input unit for inputting control and information of the main body through a remote controller or a button; The display unit may further include a display unit for displaying input information and checking operation information. And, it may further include a security block for the security of the main body.

The audio signal processor may include an A / D converter and a D / A converter for converting an audio signal output through the signal receiver and an audio signal stored in the memory unit and inputted; A sound source memory for storing sound source samples; A sound engine for mixing a sound source, the audio signals, the echo, the effect sound, and the like may be provided.

The memory unit includes a main memory having at least one RAM; A storage memory including at least one ROM including a flash memory; A backup memory for data backup may be provided.

The video signal processor includes: a video decoder for decoding an externally input video signal; A graphics engine for processing a video signal having various controllers for processing a video signal such as a caption signal, a video signal, and the position detection signal; A video encoder for encoding an image signal output from the graphics engine may be provided.

According to the above configuration, it is possible to induce interest and natural learning through play can improve the learning efficiency.

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 perspective view schematically showing the appearance of an interactive learner according to an embodiment of the present invention. The appearance of the interactive learner is just one example and can be changed or modified into a design that can obtain affinity and affinity for an infant or a child.

As shown in FIG. 1, the interactive learner according to an embodiment of the present invention includes at least one microphone 200 and a main body 400.

The microphone 200 may be provided with at least one. Basically, two are provided. The microphone 200 converts and synthesizes a position detection signal generated by movement through at least one built-in position detection sensor, an audio signal input by a user, and a control signal input through a button into an electrical signal. Send the composite signal.

The microphone 200 further includes a button input unit 295 and a display unit 290 in a conventional general microphone.

The main body 400 processes the audio signal among the signals transmitted from the microphone 200, synthesizes the audio signal with a sound source, and outputs a mouse, using a position detection signal among the signals transmitted from the microphone 200. A subtitle provided from an internal memory or an external device in response to a control signal transmitted through the microphone 200 or a control signal transmitted through the microphone 200 or outputting a signal corresponding thereto by performing an operation or recognizing a gesture and a movement; Alternatively, the video signal is processed and output. That is, the main body 400 processes the audio signal transmitted from the microphone 200 and transmits the signal to a speaker of a TV or PC connected to the main body 400 by wire or wirelessly. In addition, the video signal is processed and transmitted to a display device (LCD, CRT, PDP) of a TV or PC connected wirelessly or wired to the main body 400.

The main body 400 externally includes a receiving groove for storing the microphone 200, a button input unit 398 for inputting a control signal or other signals, and a display unit 392 for checking and verifying an input signal. ). In addition, it is connected to a TV or PC, etc., and has a cable 375 or a USB port for signal transmission.

An internal configuration of the microphone 200 and the main body 400 will be described with reference to FIGS. 2 and 3.

2 shows an internal configuration block diagram of the microphone.

As shown in FIG. 2, the microphone 200 includes an audio signal input unit 225, a position detection sensor unit 245, a button input unit 295, a CPU block 100, and a transmission unit 275. .

The audio signal input unit 225 receives and amplifies the audio signal 210 of the user, converts the digital signal into a digital signal, and outputs the amplified signal.

The audio signal input unit 225 includes an amplifier 220 for amplifying the audio signal 210 when it is input, and an A / D converter 230 for converting the amplified audio signal into a digital signal.

The position sensor 245 is provided with at least one position sensor to generate position detection signals (X, Y, Z) according to the movement of the microphone.

The position detecting sensor unit 245 includes a position detecting sensor 240 for generating position detecting signals X, Y, and Z, and a position detecting sensor interface 250 for inputting / outputting the position detecting signal. .

Here, the position detection sensor 240 preferably has one sensor capable of detecting movement in the X, Y, and Z directions. However, it may be provided with three position sensors that can detect each direction. In addition, an acceleration sensor 242 for detecting movements in the X and Y directions and a gyro sensor 244 for detecting movements in the Z direction may be provided.

Using the position sensor 240 may perform a mouse function, it is possible to input or recognize the user's movements or gestures. Accordingly, when the user draws a circle using a microphone, the circle is displayed on the display device, and the rhythm learning such as the pronunciation of the circle or the circle is generated. And shake counting using sensor is possible. In addition, the well-known game Cheonggi white flag game, shape drawing, samba dance, etc. can be used, it can also be used as a function such as beat box and tember.

The button input unit 295 inputs control signals for selection of a control of the main body 400, a control of the position detection sensor 240, and a song through a button attached to the outside of the microphone 200. It is for.

Signals input through the button input unit 295 are input / output through the button interface 160 in the CPU block 100. In addition, a display unit 290 may be provided to display information of the control signal and / or an operation state of the microphone 200 so that a user may recognize the control signal. The display unit 290 may simply display a signal of a number or a control key input through the button input unit 295.

The CPU block 100 performs overall control regarding the operation of the microphone 200, encodes and controls a digital audio signal output from the audio signal input unit 225, converts the position detection signal, and To perform the control of the position sensor 240, and converts the encoded audio signal and the synthesized signal obtained by combining the position detection signal and the control signal to be suitable for transmission and output.

The CPU block 100 may include a first main process unit (MPU), an audio codec 110, a sensor control and conversion unit 130, a data synthesis and conversion unit 120, and signal input / output interfaces (MPU). 150, 160, a transmitter 275, and an RF control and channel selector 140.

The first main process unit 170 performs overall control regarding the operation of the microphone 200. The first main process unit 170 controls not only the function control of a general microphone but also the control of the position detection signal and the input / output of other signals.

The audio codec 110 encodes and controls the digital audio signal output from the audio signal input unit 225. The audio codec 110 encodes or decodes an audio signal using a smart bitrate control (SBC) method or an ADM method. The audio codec 110 may include a function of the A / D converter 230 of the audio signal input unit 225.

The sensor control and conversion unit 130 converts the position detection signal into a digital signal and controls the position detection sensor 240. That is, the sensor control and conversion unit 130 is controlled by the first main process unit 170 to control the position detection sensor 240 and to convert the position detection signal. In this case, when the position detection signal output from the position detection sensor 240 is a digital signal, signal conversion may not be performed, and in the case of an analog signal, signal conversion is performed.

The data synthesizing and converting unit 120 converts the encoded audio signal and the synthesis signal obtained by synthesizing the position detection signal and the control signal so as to be suitable for transmission. The synthesized signal includes at least one of an audio signal, the position detection signal, and the control signal.

The signal input and output interfaces 150 and 160 are for input and output of various signals input and output to the CPU block 100. This includes the display interface 150, the button interface 160, and all other necessary interfaces.

The transmitter 275 outputs the synthesized signal output from the data synthesizing and converting unit 120 by wire or wirelessly. In the case of outputting wirelessly, it transmits in the same manner as a base band transmission method, and is provided through an antenna 285 having an RF transmission / reception module.

The RF control and channel selector 140 is for control and channel selection of the transmitter 275.

In addition, the microphone 200 includes a power supply unit 260 for supplying power. The power supply unit 260 may include a space for accommodating a rechargeable battery or a battery, and may include a charging connector for charging the rechargeable battery. In addition, a power controller for power control may be provided.

As described above, the microphone 200 may include a mouse function and a rhythm game function, a learning function through rhythm, and a singing cycle function in addition to the general microphone function.

3 is a block diagram illustrating an internal configuration of the main body 400.

As shown in FIG. 3, the main body 400 performs at least two or more roles. That is, the game and the learning through the position sensor and the learning through flash animation and video.

Incidentally, when a song is selected through a button or a remote controller of the microphone 200, a song cycle function for outputting accompaniment, subtitles and images and audio signals (voice) according to the selected song is performed. In addition, it has a real-time storage and playback function of the audio signal transmitted through the microphone 200. This is essential for the function of language learners.

The main body 400 includes a signal receiver 527, a second main process unit 370, an audio signal processor 460, a memory 320, and an image signal processor 355.

The signal receiver 427 receives the synthesized signal transmitted by wire or wirelessly, and outputs the synthesized signal into a control signal, an audio signal, and a position detection signal. The signal receiver 427 may include an amplifier for receiving and amplifying an audio signal of a general wired microphone separately from the signal receiver 427.

The signal receiver 427 is an RF transmission / reception module 425 for receiving the synthesized signal when it is wirelessly received, and the synthesized signal received through the RF transmission / reception module 425 through a baseband transmission method. And a codec 430 for encoding or decoding the synthesized signal and separating the synthesized signal into a control signal Con, an audio signal, and a position detection signal Data. The codec 430 may include functions of an A / D converter and a D / A coverter.

The second main process unit 370 includes a general process input / output controller (GPIO) for inputting and outputting two or more signals from the outside, and various interfaces including a memory interface and an optical interface. The control signal Con, the position detection signal Data, and other signals are received to perform overall operation control of the main body.

The audio signal processor 460 is controlled by the second main process unit 370 and is output through the audio signal and the second main process unit 370 output through the signal receiver 427. It processes the input audio signal and converts the sound source, echo, effect sound, etc. into an analog signal and outputs it to the outside.

The audio signal processor 460 includes an A / D converter 410, a D / A converter 435 and 450, a sound source memory 445, and a sound engine 440. Additionally, if there are two or more signals received through the microphone, a mixer 410 for mixing them may be added.

The D / A converter 435 converts the digital audio signal output through the signal receiver 427 into an analog signal. When the codec 430 includes a function of the D / A converter 435, the D / A converter 435 may not be necessary.

 The A / D converter 410 converts the audio signal MIC3 input through the wired microphone 420 and the audio signals MIC1 and MIC2 output through the D / A converter 435 into digital signals. . The mixer 410 mixes them.

In addition, the D / A converter 450 converts an audio signal output from the sound engine 440 and outputs the analog signal. That is, output to the speaker. The signal output from the sound engine 440 is an audio signal received through the signal receiving unit 427 and an audio signal stored in the memory unit 320 and output through the second main process unit 370. It includes.

The sound source memory 445 stores sound source samples. The sound source data stored in the sound source memory 445 includes sound source data for learning or sound source data for songs.

The sound engine 440 is for mixing and signal processing of a sound source, the audio signals, echo, effect sound, and the like. The sound engine 440 receives an audio signal from the microphone 200 and a control and audio signal from the second main process unit 370 to perform signal processing.

The sound engine 440 may include a controller for mixing the audio signal with accompaniment, echo processing, chorus, or the like, and include a codec interface for compressing or restoring the audio signal. Can be.

 The memory unit 320 is for storing various software, audio files, flash animation and video files for operating the main body 400, storage of an operating system, etc., data backup, and the like.

The memory unit 320 may include a main memory 322 including at least one RAM, a storage memory 324 including at least one ROM including a flash memory, and a backup memory 326 for data backup. It is provided.

The image signal processor 355 is controlled by the second main process unit 370, and processes an image signal such as a caption, a video, and a position display of a microphone through the position detection signal to display an external display device (for example, TV, PC) or externally processed video signal.

The video signal processor 355 may include a video encoder 362, a video decoder 364, and a graphics engine 350.

The video encoder 362 encodes an image signal output from the graphics engine 350 and outputs the encoded image signal to the outside. The video signal may be a television video signal (CVBS) or a VGA signal.

The video decoder 364 is for decoding a video signal input from the outside.

 The graphic engine 350 is configured to process video signals including video data for songs, video data for learning, video data for games, video signals such as caption signals, video signals for learning or singing, and the position detection signal. Various controllers are provided to process video signals.

The graphics engine 350 may include a controller for processing NTSC / PAL, VGA, and CRTC signals. In addition, a video frame may be provided with a text frame for displaying a caption, a video DAC for displaying an image of a background screen, and an overlay controller for superimposing the caption or lyrics on the background screen.

The main body 400 includes a plurality of expansion slots (for example, 10 slots) for adding an external memory card interface 310 and / or an external expansion pack 342 for receiving information of the external memory card 312. The external expansion pack interface 340 may be further provided. In addition, the security block 330 for the security of the main body 400 may be further provided.

The external memory card 312 may be an SD memory card or an MMC memory card. The external expansion pack 342 is for reinforcing, modifying, and replacing content. In addition, the main body 400 may further include a USB interface 382 for connecting to a scanner, a wired / wireless mouse, a pronunciation pen, and / or a printer.

In the case of using the scanner, it is for realizing a function of scanning an English fairy tale book for learning language and the like and reading it through TTS pronunciation. In the case of the pronunciation pen, it may be connected to the main body 400 to be used for a fairy tale or learning content.

The main body 400 further includes a button input unit 394 for controlling the main body and inputting information through a remote controller 396 or a button, and a display unit 392 for displaying input information and confirming operation information. can do. In addition, a panel controller 390 for controlling them may be provided. The button input unit 394 and the display unit 392 have the same or similar functions as the button input unit 295 and the display unit 290 constituting the microphone 200.

In addition, the main body 400 includes a power supply unit 385 for power supply. The power supply unit 385 may include a space for accommodating a rechargeable battery or a battery, and may include a charging connector for charging the rechargeable battery. In addition, a power controller for power control may be provided. The power level may be 5 ~ 8V.

The interactive learner according to the present invention having the above-described configuration implements a mouse function using a position sensor, and can play or learn through movement. And it has a real-time recording and storage function for language learning, and may be provided with a player such as MP3, video (MPEG), flash player and the like. It also performs the function of a regular song half cycle.

In the case of operating in the half cycle of the song, the selection of the song is made through the button input unit 295 of the microphone 200, the button input unit 394 of the main body 400, or the remote controller 396. The sound source data stored in the sound source memory 445 and the sound source data additionally stored by the external expansion pack 342 are controlled by the sound engine 440 controlled by the second main process unit 370. . Image data such as a song accompaniment background image including song lyrics data of sound source data is controlled by the graphics engine 350 controlled by the second main process unit 370. Particularly, in the case of the song half cycle, the operation or configuration of the conventional song half cycle is well known to those skilled in the art to which the present invention pertains. It's clear that you have all of them and can perform all of the functions needed for a song cycle.

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.

As described above, the interactive learner according to the present invention is provided with learning functions such as language and song half-period function, and induces interest through the movement game, the action learning, the mouse function through the position sensor and the language naturally. Can be learned and efficient learning becomes possible.

Claims (17)

In the interactive learner: At least one position detection signal generated by movement through at least one built-in position detection sensor, an audio signal input by a user, and a control signal inputted through a button and converted to an electrical signal and then synthesized One or more microphones;  The audio signal among the signals transmitted from the microphone is processed and synthesized with a sound source, and the mouse operation is performed using the position detection signal among the signals transmitted from the microphone, or the gesture and the movement are recognized. And a main body for processing and outputting a subtitle and / or video signal provided in an internal memory or an external memory in response to a control signal transmitted through the microphone or a control signal provided through a remote controller. Interactive learner. The method of claim 1, wherein the main body, And a karaoke cycle function for outputting accompaniment, subtitles, and images according to a song selected through the button of the microphone or the remote controller. The method of claim 1, wherein the main body, And a real time storage and playback function of an audio signal transmitted through the microphone. The method of claim 1, wherein the microphone, An audio signal input unit which receives an audio signal of a user, amplifies it, and converts it into a digital signal; A position detection sensor unit having at least one position detection sensor to generate a position detection signal according to the movement of the microphone;  A button input unit for inputting a control signal for selection of a control of the main body, a control of the position sensor, and a song; Performs overall control on the operation of the microphone, encodes and controls the digital audio signal output from the audio signal input unit, converts the position detection signal and controls the position detection sensor, and encodes the encoded audio signal And a CPU block converting the synthesized signal obtained by combining the position detection signal and the control signal to be suitable for transmission. And an RF transmitter / receiver module for transmitting the synthesized signal wirelessly or by wire. The method of claim 4, wherein the microphone And a display configured to display information of the control signal and / or an operation state of the microphone so that a user can recognize the control signal. The method of claim 4, wherein And the position detecting sensor unit has an acceleration sensor and / or a gyro sensor. The method of claim 4, wherein the CPU block, A first main process unit performing overall control regarding the operation of the microphone; An audio codec for encoding and controlling a digital audio signal output from the audio signal input unit; A sensor controller and converter configured to convert the position detection signal and control the position detection sensor; A data synthesizing and converting unit converting the encoded audio signal, the position detection signal, and the control signal into a synthesized signal suitable for transmission; Signal input / output interfaces for various signals input / output to the CPU block; And an RF controller and a channel selector for controlling the transmitter and selecting the channel. The method of claim 1, wherein the main body, A signal receiver which receives the synthesized signal transmitted by wire or wirelessly, and separates the synthesized signal into a control signal, an audio signal and a position detection signal; A multi-purpose input / output controller for inputting and outputting two or more signals from the outside, and various interfaces including a memory interface and an optical interface, and receive the control signal, the position detection signal, and other signals to perform overall operation control of the main body. A second main processing unit; The audio signal is controlled by the second main process unit, and the audio signal output through the signal receiving unit and the audio signal input through the second main process unit are signal processed, mixed with a sound source, echo, effect sound, etc., and converted into an analog signal. An audio signal processor for outputting to the outside; A memory unit for storing various software, audio files, flash animation and video files for operation of the main body, storage of an operating system, etc., data backup; A video signal controlled by the second main process unit, which processes video signals such as caption, video, and position indication of a microphone through the position detection signal and outputs them to an external display device or processes an externally input video signal. Interactive learner comprising a processing unit. The method of claim 8, wherein the main body, And an external expansion pack interface including an external memory card interface for receiving external memory card information and / or a plurality of expansion slots for adding an external expansion pack. The method of claim 8, wherein the main body, And a USB interface for connecting a scanner, a wired / wireless mouse, a pronunciation pen, and / or a printer. The method of claim 8, wherein the main body, A button input unit for inputting control and information of the main body through a remote controller or a button; And a display unit for displaying input information and checking operation information. The method of claim 8, wherein the main body, Interactive learner further comprises a security block for the security of the main body. The method of claim 8, wherein the audio signal processor, An A / D converter and a D / A converter for converting an audio signal output through the signal receiver and an audio signal stored and input into the memory unit; A sound source memory for storing sound source samples; And a sound engine for mixing a sound source, the audio signals, the echo, the effect sound, and the like, and processing the signal. The method of claim 8, wherein the memory unit, A main memory having at least one RAM; A storage memory including at least one ROM including a flash memory; Interactive learner having a backup memory for data backup. The method of claim 8, wherein the image signal processing unit, A video decoder for decoding an externally input video signal; A graphics engine for processing a video signal having various controllers for processing a video signal such as a caption signal, a video signal, and the position detection signal; And an video encoder for encoding an image signal output from the graphic engine. The method of claim 15, wherein the graphics engine, And an input / output of image data such as a song accompaniment background image including song lyrics data, which is controlled by the second main process unit. The method of claim 13, wherein the sound engine, And an input / output of song sound source data stored in the sound source memory and song sound source data additionally stored by an external expansion pack.

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