KR20060103788A - Method and system for performing music using number musical note in mobile terminal - Google Patents

Abstract

The present invention relates to a method and system for playing music using numerical score data in a mobile communication terminal. The music playing method according to an embodiment of the present invention stores one or more numerical score data, first sound data corresponding to one basic single tone, and strings the numerical score data corresponding to the music score selection command input through a key input unit. The display unit is displayed on the display unit in the form of and a numeral string, and when an arbitrary key button is input through the key input unit, the first sound data is updated and output to correspond to the corresponding pitch. According to the present invention, the user can play a song corresponding to the numerical score with minimal sound data.

Playing, musical instrument, music, accompaniment

Description

Method and system for performing music using number musical note in mobile terminal}

1 is a block diagram of a mobile communication terminal capable of playing music using a keypad according to an embodiment of the present invention.

2 is a flowchart illustrating a process of extracting numerical score data from a MIDI file according to a preferred embodiment of the present invention.

3A and 3B show the data structure of a MIDI file.

3C is a hexadecimal representation of the data in the MIDI file;

4 is a data flow diagram illustrating a method for downloading numerical score data according to an embodiment of the present invention.

5 is a flowchart illustrating a music playing method using a keypad in a preferred embodiment of the present invention.

6 is an exemplary view showing a user interface screen showing a music playing process using a keypad according to an embodiment of the present invention.

7 is an exemplary diagram showing data of an instrument MMF file in hexadecimal form according to a preferred embodiment of the present invention.

8 is an exemplary diagram showing data of a major MMF file in hexadecimal form according to a preferred embodiment of the present invention.

9 is an exemplary diagram showing data of a C minor MMF file in hexadecimal form according to a preferred embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

100: mobile communication terminal

110: transceiver

115: storage unit

120: performance setting manager

125: temporary memory

130: sound conversion unit

135: sound output unit

140: control unit

145: display unit

155: key input unit

160: mobile communication service system

165: additional information service device

The present invention relates to a mobile communication terminal, and more particularly, to an additional service using the mobile communication terminal.

Information and communication technology is developing very fast. Mobile communication terminals, which can be said to be the core of such information and communication technology, have also developed a lot.

Early mobile communication terminals were simply equipped with a function of carrying a phone call while being mobile. However, current mobile communication terminals have evolved to include various additional functions such as wireless Internet access function, image capturing function, and multimedia data (for example, MP3 file) playback function.

Users may access a web server through a communication network using a wireless internet access function provided by the mobile communication terminal, and may receive various services (eg, karaoke service and stock information providing service) from the web server.

However, the conventional karaoke service is limited to a service that simply reproduces and listens to music data provided by the user, which may not satisfy various needs of the user.

Accordingly, an object of the present invention for solving the above problems is a method of playing music using numerical score data in a mobile communication terminal that allows a user to easily play any song using the mobile communication terminal through the numerical score and To provide a system.

It is another object of the present invention to provide a method and system for playing music using numerical score data in a mobile communication terminal that enables single-note playing and chord playing for one sheet music to enable cooperation among a plurality of users.

Still another object of the present invention is to provide a sound system corresponding to a basic scale or a basic chord with a user terminal for playing a chord using any musical instrument or playing a chord according to a certain rhythm (for example, polka, trot, waltz, etc.). The present invention provides a method and system for playing music using numerical score data in a mobile communication terminal capable of minimizing transmission time and minimizing communication network fee by transmitting.

It is still another object of the present invention to provide a music playing method and system using numerical score data in a mobile communication terminal that can automatically generate sheet music using MIDI data, thereby maximizing the convenience of the sheet music generating process.

Other objects of the present invention will be easily understood through the description of the following examples.

In order to achieve the above object, according to an aspect of the present invention, a music score generation method using the MIDI (MIDI) sound source data of the additional service providing apparatus, comprising: (a) receiving any MIDI sound source data; (b) interpreting code information of the MIDI sound source data in an event unit; (c) determining whether the event data is lyrics, system name, or chord; (d) when the event data is lyrics, accumulate as lyrics information; when the event data is system name, a preset number corresponding to the system name is accumulated as system name number score, and when the event data is a chord, corresponding to the chord Accumulating a preset number as a chord digit score; Repeating steps (b) to (d) until interpretation of code information of the MIDI sound source data is completed; And storing the stored lyrics information, the accumulated system name number score information, and the accumulated chord number score, respectively, when the code information analysis of the MIDI sound source data is completed. Provided is a method of playing music using the present invention, and a system and a recording medium for enabling the data transmission method using the communication network.

In the step (c), when the event data includes the first code value of the FF 05 format, the lyrics are recognized. If the event data includes the second code value of the 9n Kk Vv format, the system name or the chord is recognized. The Kk and the Vv has an arbitrary hexadecimal value.

The event data may be recognized as the chord only when the octave as an integer value calculated by the equation (Octave = Dec (Kk) / 12) is 0 or 1. Here, Dec (Kk) is a function that converts Kk to a decimal value.

When the event data is the system name or the chord, the corresponding code value is converted into a number corresponding to the value calculated by the equation (Note = Dec (Kk) mod 12) in a preset key mapping table. do. Here, Dec (Kk) is a function that converts Kk to a decimal value, and mod is a function that takes the remainder of the calculated value.

If the Vv is zero, the corresponding Kk value is ignored.

According to another aspect of the present invention, there is tangibly embodied a program of instructions that can be executed by a portable terminal to perform a music playing method using numerical score data, and records a program that can be read by the portable terminal. A medium, comprising: (a) storing one or more numerical score data, first sound data corresponding to one basic short note; (b) displaying numerical score data corresponding to the sheet music selection command input through the key input unit on the display unit in the form of a string and a number string; (c) inputting an arbitrary key button through the key input unit; (d) updating the first sound data to correspond to the pitch corresponding to the input key button; And (e) outputting the updated first sound data, wherein the first sound data is loaded into the temporary memory in step (b), and step (d) is note information indicating the basic sound. There is provided a recording medium which records a program for updating to note information of the pitch corresponding to the key button.

The numerical score data may be displayed on the display unit by alternately displaying one or more lyrics lines formed by continuously arranging letters, and one or more number lines formed by successively arranging numbers representing pitches corresponding to each character.

Step (a) is characterized in that further stores the second sound data and the third sound data respectively corresponding to the two basic chords formed of a plurality of single tones.

The second sound data corresponds to a C major code, and the third sound data corresponds to a C minor code.

The steps (c) to (e) are repeated until a performance end command through the key input unit is input or the performance according to the numerical score data is completed.

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

1 is a block diagram of a mobile communication terminal capable of playing music using a keypad according to an embodiment of the present invention.

As shown in FIG. 1, the mobile communication terminal 100 according to the present invention includes a transceiver 110, a storage 115, a performance setting manager 120, a temporary memory 125, and a sound converter 130. , A sound output unit 135, a control unit 140, a display unit 145, and a key input unit 155.

The transceiver 110 is coupled to the additional information service device 165 via a mobile network via the mobile communication system 160, and selects information (eg, inputted through the key input unit 155) to the additional information service device 165. For example, music score selection information, musical instrument selection information, rhythm selection information, etc.) are transmitted to the additional information service device 165, and data corresponding to the selection information is received from the additional information service device 165. Although the additional information service device 165 and the mobile communication system 160 are illustrated as separate components in FIG. 1, the additional information service device 165 may be a component of the mobile communication system 160. The data received from the additional information service device 165 may be numeric score data corresponding to the score selection information, monotone sound data corresponding to the musical instrument selection information, or chord sound data corresponding to the rhythm selection information. Here, the monotone sound data and the chord sound data are data composed of only the basic scale (eg, Fig.) Or the basic chords (eg, C major and C minor), respectively, and may be, for example, mmf files.

The storage unit 115 may include an operation program of the mobile communication terminal 100, default performance setting data (for example, a pitch, an instrument or a rhythm type, etc. outputted corresponding to each key button), user performance setting data, and transmission / reception. The numerical score data received through the unit 110 and the performance data played by the user's selection are stored.

The performance setting manager 120 manages preset default performance setting data and user performance setting data (for example, instrument type selection information, etc.) set by the user. When the arbitrary key button is selected through the key input unit 155, the performance setting manager 120 transmits the currently set pitch information and instrument type selection information (or rhythm type selection information) to the controller 145. The controller 140 controls the sound output unit 135 to output a sound corresponding to the key button.

The temporary memory 125 is loaded with numerical score data, sound data (i.e., monotone sound data or chord sound data) or code information of sound data selected by the user. The temporary memory 125 may be a region of the storage 115 or a cache memory. The sound data loaded in the temporary memory 125 is modified sound data when the note information of the sound data is modified by the sound converting unit 130 so that a sound corresponding to an arbitrary key button selected by the user is output. Is updated. The note information herein refers to pitch information for playing a single scale by an arbitrary instrument and / or chord information for any rhythm type.

The sound converting unit 130 is a note of the code information of the sound data loaded in the temporary memory 125 to be output through the sound output unit 135 with a sound corresponding to the key button input through the key input unit 155 Correct the information. As a method of modifying the note information so as to correspond to the key button, the method of extracting the numerical score data from the MIDI file, which will be described later with reference to FIG. However, the file type (eg, mmf) of sound data stored in the temporary memory 125 or the storage 115 may be different.

The key input unit 155 may include a plurality of key buttons (for example, a numeric key, a function key such as a symbol key of * or #, a menu or confirmation), and may be implemented by a user of the mobile communication terminal 100. It is a means for receiving a control command for controlling the operation, a control command for playing music (for example, a key button input for outputting a sound of a specific pitch, an instrument type selection command, a rhythm type selection command, etc.).

The display unit 145 includes an operation state according to selection of a key button using the key input unit 155, a function screen for playing music (for example, a music selection list for playing music, a musical instrument / rhythm selection menu for playing music), and numerical score data. And so on. The display unit 145 may be, for example, a liquid crystal display.

The sound output unit 135 outputs a sound corresponding to an arbitrary key button input by the user to the outside. The sound output unit 135 may include a sound source chip (for example, a Yamaha sound source chip) and a speaker.

The control unit 140 is a mobile communication terminal 100 according to the present invention, the transmission and reception unit 110, the storage unit 115, the performance setting management unit 120, the temporary memory 125, so The converter 130, the sound output unit 135, the display unit 145, and the key input unit 155 may be controlled.

So far, the configuration of the mobile communication terminal 100 according to the present invention has been described with reference to FIG. 1. However, it is apparent that some of the components of the illustrated mobile communication terminal 100 (for example, the sound converter 130, the performance setting manager 120, etc.) may be implemented in the form of a software program. In addition, the software program may be any device in the mobile communication system 150 (e.g., a proxy server connected when the user selects a "magicN" or "multipack" function button in the key input unit 155) or an additional information service. May be provided from device 165.

2 is a flowchart illustrating a process of extracting numerical score data from a MIDI file according to a preferred embodiment of the present invention. FIGS. 3A and 3B are diagrams illustrating a data structure of a MIDI file, and FIG. The figure is shown in hexadecimal form.

The mobile communication terminal 100 according to the present invention should download numerical score data from the additional information service apparatus 165 (or mobile communication system 160-the same below) for music performance using a key button. . Therefore, the additional information service device 165 should store numerical score data for providing to the mobile communication terminal 100. The additional information service apparatus 165 may be any server apparatus installed with a software program for generating numerical score data using any MIDI file. The following description will enable those skilled in the art to easily understand the functions of the additional information service device 165, the functions, and the uses of the installed software programs. Hereinafter, a description will be given of a method in which the additional information service apparatus 165 automatically extracts arbitrary information from a MIDI file to generate numerical score data.

Referring to FIG. 2, the additional information service apparatus 165 receives an arbitrary MIDI file to generate numerical score data (step 210).

For convenience of explanation, first, the MIDI file data structure will be briefly described with reference to FIGS. 3A and 3B. Next, a method of generating numerical score data by the additional information service apparatus 165 using the MIDI file will be described.

As shown in FIG. 3A, the MIDI file is composed of one header data stream including header information and a plurality of track data streams (including actual data such as lyrics, musical instruments, rhythms, performance speeds, and the like).

One track data stream is composed of a sequential underlying data structure as shown in FIG. 3B. That is, one track data stream includes a plurality of MTrk event data, and one MTrk event data is composed of delta-time data and event data having a size of 1 to 4 bytes (B: Byte). Here, the delta-time data represents a time difference from the previous event. One event data may be composed of three types of event data as shown in FIG. 3B.

In FIG. 3C, the data of the MIDI file stored to satisfy the data structures of FIGS. 3A and 3B are shown in hexadecimal form.

Referring to FIG. 3C, a method of distinguishing lyrics information, system name information, and chord information from MIDI file event data will be briefly described.

As described above, the MIDI file data is composed of a certain data structure, and is stored in accordance with the format, respectively. Of course, the structure of the MIDI file data may be configured to include all the detailed structures as shown in FIG. 3B, or may be configured as only some information when necessary.

The MIDI file data described below assumes that one MTrk event data is interpreted as a basic unit. In addition, 1 to 4 bytes of Delta-time data of MTrk event data indicate the difference between the time of the current event and the previous event.

If the meta-event data is of the form "FF 59 02 sf mi", it means that the data contains the tune information of the piece of music (where sf and mi are each hexadecimal numbers between 0 and F). Can be).

In other words, starting with " FF 59 02 " means that the song information of the MIDI file is included, and the following sf and mi data information is the actual information value of the tune of the music.

"sf" is a value indicating how many # and ♭ numbers are. When converting hexadecimal "sf" data to decimal number, "sf" is a positive integer greater than 0. A negative integer less than zero indicates the number of powers. However, additional information may be needed to indicate whether the hexadecimal value is positive or negative. And, if the "sf" value converted to decimal is 0, it means multi major.

In addition, "mi" is flag data indicating whether major or forging is major. If "mi" converted to decimal is 0, major is major, and if 1, minor is minor.

 In the MTrk event data, if the meta-event data of the event data starts with "FF 05", it means that the data contains lyrics information, and the MIDI event data starts in the format 9n Kk Vv. In this case, this means that system name information or chord information is included. Here, Kk is sound information, and Vv indicates the speed of sound information. In addition, n, Kk, and Vv are hexadecimal numbers from 0 to F. Here, when Vv is 0, it means note off, and in this case, corresponding note information is not extracted.

Referring back to FIG. 2, the additional information service apparatus 165 reads and analyzes the MIDI file in units of events to generate numerical score data using the MIDI file input through step 210, and analyzes the MIDI file. Music information (eg, syllable information, time signature information, etc.) is stored in a temporary storage space (step 220). The temporary storage space may be, for example, a temporary storage buffer or cache memory.

As described above, the additional information service apparatus 165 recognizes that the meta-event data started in the form of "FF 05" includes lyrics information, and the MIDI event data started in the form of "9n Kk Vv" MIDI file event data can be interpreted by recognizing that system name information or chord information is included.

In addition, when the MIDI event data includes system name information or chord information, the additional information service apparatus 165 calculates octave information by using Equation 1 below to distinguish them.

Octave = INT [Dec (Kk) / 12]

Here, Dec (x) is a function for converting x to a decimal value, Kk is sound information, as described above may be a hexadecimal value. Thus, the octave information is the quotient of Kk, which is a hexadecimal value, converted to decimal and divided by 12. Here, it is obvious that the QUOTIENT function may be used instead of the INT function or only an integer value may be calculated. One octave may consist of twelve note information, namely C, C #, D, D #, E, F, F #, G, G #, A, A #, and B.

The additional information service apparatus 165 interprets the event data as chord information when the octave information calculated in Equation 1 described above is '0' or '1', and interprets it as system name information when the value is otherwise. . If the octave information is 0, it is interpreted as a major chord, and if the octave information is 1, it is interpreted as a minor chord.

If the event data is determined to be lyrics information in step 220, the additional information service apparatus 165 interprets information following "FF 05" (for example, 03) to determine lyrics information in the read meta-event data. The data following this length is extracted (step 230). For example, if the event data is " FF 05 03 BE C6 20 ", it starts with " FF 05 " in step 220, so it is determined as the lyrics information, and " BE C6 20 "

In addition, if the MIDI event data is "90 3E 64", it is interpreted as the system name information through step 220, and the sound information located in the middle is extracted as the system name value (step 240). That is, in step 240, the tone information "3E" is extracted as the system name value.

If the MIDI event data is " 91 07 64 ", it is interpreted as chord information through step 220, and the center note information is extracted as a chord value (step 250). That is, in step 250, the note information "07" is extracted as a chord value.

The additional information service apparatus 165 calculates note information by using the equation 2 and the system name value and chord value extracted in steps 240 and 250, and converts the note information into a key mapping value predefined in Table 1 below. (Step 260, step 270).

Note = Dec (Kk) mod 12

Here, Dec (x) is a function for converting x to a decimal value, Kk is sound information, as described above may be a hexadecimal value. Therefore, the note information is the remaining integer value of Kk, which is a hexadecimal value, converted to decimal and divided by 12.

Table 1. Mapping Table

That is, note information "2" is calculated by Equation 2 as the system name value "3E" extracted through the step 240. This is because the hexadecimal "3E" is converted to decimal, which is 62; dividing it by 12 gives a quotient of 5 and a remainder of 2. Note information 2 calculated by Equation 2 becomes a system name numeric score value (ie, instrument key) of 2 when referring to Table 1 above. However, except for the case where the system name information is not the major character (for example, when the "sf" value converted to decimal is 0, it means the major character), the difference in the table is corrected with reference to Table 2 below.

For example, assuming that the MIDI file to be interpreted is a major major (G major), the difference in the tone becomes -5, and the difference in the note difference -5 is corrected in the note information (here, when the difference is played in the mobile terminal 100 Note that the note information becomes 7 (that is, 2-(-5)) when adding to each other. Therefore, referring to the key mapping table of Table 1, the numerical value of the system name is mapped to '5'.

Table 2. Table Difference Correction Table

major Cb Gb Db Ab Eb Bb F C G D A E B F # C # Table differences -One -6 One -4 3 -2 5 0 -5 2 -3 4 -One -6 One

The chord value "07" extracted in step 250 calculates note information "7" by Equation 2. In addition, the calculated note information " 7 " is mapped to a chord number value of '5' by the key mapping table of Table 1 (step 270).

In operation 280, the additional information service apparatus 165 determines whether all the MIDI file data information have been interpreted. If all the information is interpreted, the lyrics information extracted in step 230, the system name number score information mapped in step 260, and the chord number score information mapped in step 270 are stored in a predetermined file format (step 290). In this case, the lyrics and the system name may further include display position information for displaying the sheet music or chord number sheet music to be synchronized. The display position information may be used by accumulating time difference information between respective events. The file format may be, for example, a binary code format.

4 is a data flow diagram illustrating a method for downloading numerical score data according to an embodiment of the present invention.

As described above, it is necessary to install the above-described software program for downloading the numerical score data according to the present invention or playing the downloaded numerical score data in the mobile communication terminal 100. However, since the installation process of the software program will be apparent to those skilled in the art, the description thereof will be omitted. Hereinafter, the software program will be described as being already installed.

Referring to FIG. 4, in step 410, the mobile communication terminal 100 transmits a numerical score list request to the additional information service apparatus 165 connected through a wireless communication network according to a user's control command. As described above, the software program or sheet music data according to the present invention may be used for any device in the mobile communication service system 150 (for example, a user presses a "magic N" or "Fimm" function button in the key input unit 155). It is assumed that the case is provided from the connected proxy server) or the additional information service device 160, and if the numerical score data is provided by the mobile communication service system 160, the mobile communication terminal 100 selects the numerical score list. The request will be sent to the corresponding device in the mobile communication terminal 100.

In step 415, the additional information service apparatus 165 extracts a numerical score list including previously stored numerical score data in order to be used for musical performance using the keypad. Although the numerical score list may be preset, it is obvious that the numerical score list may be generated in real time by using the numerical score data. The numerical score list may be information including information (eg, a song name, a singer, a playing time, etc.) representing respective sheet music data.

In step 420, the additional information service apparatus 165 transmits the extracted numerical score data list to the mobile communication terminal 100 through a communication network.

The numerical score data list transmitted to the mobile communication terminal 100 through the communication network is displayed through the display unit 145 of the mobile communication terminal 100, and the numerical score selected by the user's key button input through the key input unit 155. The selection information is transmitted to the additional information service device 165 (step 425).

In operation 430, the additional information service apparatus 165 extracts the numerical score data corresponding to the numerical score selection information and transmits the numerical score data to the mobile communication terminal 100.

Subsequently, the numerical score data received from the additional information service apparatus 165 through the transceiver 110 of the mobile communication terminal 100 is stored in the storage 115 (step 435). When there is a performance instrument or a rhythm set as a default corresponding to the numerical score data, the corresponding information may be processed to be managed by the performance setting manager 120. In addition, the list of numerical score data stored in the storage 115 may be separately stored and managed.

FIG. 5 is a flowchart illustrating a music playing method using a keypad according to an exemplary embodiment of the present invention, and FIG. 6 is an exemplary view illustrating a user interface screen showing a music playing process using a keypad according to an exemplary embodiment of the present invention. to be. 7 is an exemplary diagram showing data of an instrument MMF file in hexadecimal form according to a preferred embodiment of the present invention, and FIG. 8 is a hexadecimal form of data of a major MMF file according to a preferred embodiment of the present invention. 9 is an exemplary view showing data of a C minor MMF file in hexadecimal form according to a preferred embodiment of the present invention.

As described above, it is necessary to install the above-described software program in the mobile communication terminal 100 to download the numerical score data according to the present invention or to perform the performance using the downloaded numerical score data. Here, too, the software program is assumed to be already installed and described. In addition, each step illustrated in FIG. 5 may be performed separately in any component included in the mobile communication terminal 100, but may be performed in the mobile communication terminal 100 for convenience of description and understanding. General description will be given.

Referring to FIG. 5, in step 505, the mobile communication terminal 100 receives a selection command for arbitrary numerical score data through the key input unit 155. As shown in FIG. 6, when the playing function execution command is input by the user, the mobile communication terminal 100 displays the playing function execution screen 610 on the display unit 145, and then the key input unit 155 by the user. A list screen 620 listing the names of the numerical score data stored in the storage unit 115 is displayed in correspondence with the score data display command input through the display.

In operation 510, the mobile communication terminal 100 receives musical instrument or rhythm selection information for designating an arbitrary musical instrument from the user. The instrument selection information is for playing the scale, and the rhythm selection information is for playing the chord. Of course, step 510 may request the selection of an instrument type (e.g. piano, guitar, etc.) or a rhythm type (e.g. trot, polka, etc.), and then if any type is selected, the detailed instrument (e.g. piano). Etc.) or a detailed rhythm (e.g., trot) may be subdivided. If the user inputs the instrument selection information, the temporary memory 125 is loaded with sound data or code information of the sound data of the basic sound (for example, a figure) of the corresponding instrument. In addition, if the user inputs the rhythm selection information, the temporary memory 125 includes the basic chords of the corresponding rhythm (for example, C major (degree, me, sole) and C minor (degree, wave #, d)). Sound data or code information of sound data is loaded. Of course, the sound data corresponding to the specific musical instrument may include sound data for a plurality of basic sounds. A process of selecting a musical instrument or a rhythm is shown at 620 of FIG. 6. Subsequently, the user may select key information for performing a performance corresponding to the selected numerical score data, and the key information selection screen is illustrated at 630 of FIG. 6.

Subsequently, in step 515, the mobile communication terminal 100 may update the note information (eg, a note indicating a pitch level) to correspond to a key button input from sound data (or code information) loaded in the temporary memory 125. Information) (or location recognition of note information). This is to output a pitch or chord corresponding to the key button input by the user.

Hereinafter, the structure of the MMF file will be described for convenience of understanding.

If the user selects any instrument menu in step 510, the data of the instrument MMF file shown in FIG. 7 is loaded into the temporary memory 125 in step 515. The mobile communication terminal 100 (or a software program installed in the mobile communication terminal 100) extracts note information satisfying a preset condition from code information of the loaded MMF file. Since the method of extracting the note information is similar to the method described with reference to FIG. 2, duplicate description thereof will be omitted. That is, as shown in Fig. 7, " 90 3C 7F " is extracted as note information (or recognition of the corresponding position-hereafter the same). However, when the loaded musical instrument MMF file is not in the major, the tone information (that is, "3C" in "90 3C 7F") should be corrected by the difference in reference to Table 2 as described above.

In addition, if the rhythm menu is selected in step 510, since the rhythm information is chord information consisting of three notes, three note information will be extracted (or the recognition of the corresponding position).

As described above, when the event data starts with "9n Kk Vv", the mobile communication terminal 100 extracts Kk as sound information. Therefore, as shown in FIG. 8, since "90 43 7F", 43 is extracted as the first note information. In order to extract the second note information, the following information is interpreted. At this time, if it is 0x80 or more, two bytes are skipped, and if it is less than 0x80, the second note information is extracted. Third, the sound information extraction method is the same as the second sound information extraction method. This will be described in detail as follows.

Referring to Fig. 8, since the next data of "90 43 7F" is "81", two bytes are skipped to "44", and since the next event data starts with "00", "80 40" 2 bytes are interpreted, and "40 "Is extracted as the second note information. Then, to extract the third note information, the next event data is interpreted. Since it starts with "81", 2 bytes of "81 44" are skipped, and since the next event data starts with "00", 3 bytes of "00 80 3C" And extract "3C" as the third note information.

Since the sound information extracting method in FIG. 9 is the same as described above with reference to FIG. 8, a description thereof will be omitted.

Referring back to FIG. 5, the mobile communication terminal 100 detects that an arbitrary key button has been input by the user (step 520), and uses the note information extracted in step 515 to output a sound corresponding to the input key button. Update with corresponding note information (step 525). Numerical score data for playing a single scale (i.e., when selecting an instrument) is displayed at 640 in FIG. 6, and numerical score data for playing a chord (i.e., when selecting a rhythm) are displayed at 640 in FIG. As shown at 640, the user sequentially enters the numbers listed under the lyrics (i.e., Arirang) to play the song in the selected instrument timbre. However, since only sound data for the basic pitch (for example, degrees) is loaded in the temporary memory 125, the note information may be updated so that the sound of the pitch corresponding to the key button input during the playing process can be output. There is a need. This is similar for chord playing. That is, the difference of updating each pitch of the basic chords (that is, C major and C minor) (for example, C, major, C, minor) for the chord playing so that the chord corresponding to the input key button is output. Only exists. For example, numeric keys 1 to C chord output, numeric keys 2 to D chord output, numeric keys 3 to E chord output, numeric keys 4 to F chord output, numeric keys 5 to G chord output, and numeric keys 6 to A chord Output, numeric key 7 for B chord output, numeric key 8 for End effect (i.e. short as the song ends), character key * for minor selection, numeric key 0 for Sharp minor, character key # It can be set to Sharp major. If number key 2 is selected in this state, it is sufficient to increase the pitch of each C chord by two levels in order to output D chords (Re, Par #, D). The raised pitch can be easily understood when considering the arrangement of the piano keys. Likewise, when the user chooses to play an instrument, each key button is set to correspond to each pitch (e.g., numeric key 1, numeric key 2, level, character key #, etc.). The same process can be performed. Therefore, since "3C" illustrated in FIG. 7 means "degree", which is the default pitch in multiple majors, when the user selects a preset key button to output the "Le", the mobile communication terminal 100 receives sound information. Is converted to "3E" for outputting "Le". As a result, "les" corresponding to the sound information "3E" may be output through the sound output unit 135. Similarly, assuming that the chord corresponding to the key button input by the user is G major, the C major chord information "0x43 0x40 0x3C" loaded in the temporary memory 125 is corrected to "0x4A 0x47 0x43" and output. In addition, when a user selects a major different from the sound information stored in the basic sound data, a process of correcting by a corresponding difference in the tone may be further performed.

As such, the playing method according to the present invention is capable of outputting sounds corresponding to all pitches or all chords even though only basic sound values corresponding to the respective instruments or rhythms exist. In addition, the tone to which the sound information is converted and output is also output as the tone of the same instrument as the instrument corresponding to the basic sound data.

In step 525, the mobile communication terminal 100 outputs sound information (i.e., note information) from sound data (or code information) loaded in the temporary memory 125 to output sound of a pitch corresponding to a key button selected by the user. Update to correspond to the key button. The update process of the note information is as described above.

Subsequently, the mobile communication terminal 100 outputs a sound corresponding to the note information updated in step 525 through the sound output unit 135 (step 530).

In step 535, the mobile communication terminal 100 determines whether a play end command has been input by the user.

When a play end command is input to the mobile communication terminal 100 by the user, the mobile communication terminal determines whether a play content storage command is input (step 540).

If a performance content storage command is input, the mobile communication terminal 100 stores the performance content in the storage 115 and records the stored content information for performance management in the performance setting manager 120. That is, the contents played by the user using the numerical score data (that is, the continuous sound) may be stored in the temporary memory 125 or the storage unit 115 in real time by the temporary storage function. When the input is stored temporarily stored in the storage unit 115. Here, the performance content information may include information input by the user through the key input unit 155 of the mobile communication terminal 100 (for example, a performance song name, a performer, etc.), and a time played by the mobile communication terminal 100, Information such as a performance file name may be included. Of course, the performance file name can also be input by the user.

As described above, the music playing method and system using the numerical score data in the mobile communication terminal according to the present invention has an effect of allowing the user to easily play any song using the mobile communication terminal through the numerical score. .

In addition, the present invention is capable of playing a single scale and a chord playing on one sheet music, thereby enabling cooperation between a plurality of users.

In addition, the present invention by transmitting only the sound data corresponding to the basic scale or the basic chord to the user terminal for playing the chord according to any rhythm (for example, polka, trot, waltz, etc.) using any musical instrument Minimization of transmission time and minimization of communication network fee are possible.

In addition, the present invention can automatically generate the sheet music using the MIDI data has the effect of maximizing the convenience of the sheet music generation process.

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art to which the present invention pertains without departing from the spirit and scope of the present invention as set forth in the claims below It will be appreciated that modifications and variations can be made.

Claims (15)

In the music score generating method using MIDI sound source data of the additional service providing device, (a) receiving arbitrary MIDI sound source data; (b) interpreting event data of the code information of the MIDI sound source data in event units; (c) determining whether the event data is lyrics, system name, or chord; (d) when the event data is lyrics, accumulate as lyrics information; when the event data is system name, a preset number corresponding to the system name is accumulated as system name number score, and when the event data is a chord, corresponding to the chord Accumulating a preset number as a chord digit score; Repeating steps (b) to (d) until interpretation of code information of the MIDI sound source data is completed; And And when the code information analysis of the MIDI sound source data is completed, storing the accumulated lyrics information, the accumulated system name number score information, and the accumulated chord number scores, respectively. The method of claim 1, In the step (c), when the event data includes the first code value of the FF 05 format, the lyrics are recognized. If the event data includes the second code value of the 9n Kk Vv format, the system name or the chord is recognized. And wherein Kk and Vv have a random hexadecimal value. The method of claim 2, And the event data is recognized as the chord only when an octave as an integer value calculated by the following equation is 0 or 1. Octave = Dec (Kk) / 12 Here, Dec (Kk) is a function that converts Kk to a decimal value. The method of claim 2, And converting a corresponding code value into a number corresponding to a value calculated by the following equation in a preset key mapping table when the event data is the system name or the chord. Note = Dec (Kk) mod 12 Here, Dec (Kk) is a function that converts Kk to a decimal value, and mod is a function that takes the remainder of the calculated value. The method of claim 2, And when the Vv is zero, the corresponding Kk value is ignored. In order to perform a music playing method using numerical score data, a program of instructions that can be executed by a portable terminal is tangibly implemented, and in a recording medium recording a program that can be read by the portable terminal, (a) storing one or more numerical score data, first sound data corresponding to one basic short note; (b) displaying numerical score data corresponding to the sheet music selection command input through the key input unit on the display unit in the form of a string and a number string; (c) inputting an arbitrary key button through the key input unit; (d) updating the first sound data to correspond to the pitch corresponding to the input key button; And (e) outputting the updated first sound data, The first sound data is loaded into the temporary memory in step (b), and the step (d) records a program for updating a note information indicating the basic sound with note information of a pitch corresponding to the key button. . The method of claim 6, The numerical score data includes a program in which a program is displayed on the display unit by alternately displaying one or more lyrics lines formed by continuously arranging letters and one or more number lines formed by successively arranging numbers representing pitches corresponding to each character. The method of claim 6, The step (a) is a recording medium recording a program for storing the second sound data and the third sound data corresponding to each of the two basic chords formed of a plurality of single tones further. The method of claim 8, And the second sound data corresponds to a C major code, and wherein the third sound data corresponds to a C minor code. The method of claim 6, And a program for repeating the steps (c) to (e) until a performance end command through the key input unit is input or the performance according to the numerical score data is completed. In the recording medium recording a program that can be read by the supplementary service providing apparatus is implemented in the form of a program that can be executed by the supplementary service providing apparatus for performing the numerical score generating method (a) receiving arbitrary MIDI sound source data; (b) interpreting code information of the MIDI sound source data in an event unit; (c) determining whether the event data is lyrics, system name, or chord; (d) when the event data is lyrics, accumulate as lyrics information; when the event data is system name, a preset number corresponding to the system name is accumulated as system name number score, and when the event data is a chord, corresponding to the chord Accumulating a preset number as a chord digit score; Repeating steps (b) to (d) until interpretation of code information of the MIDI sound source data is completed; And And storing the accumulated lyrics information, the accumulated system name number score information, and the accumulated chord number score, respectively, when the code information analysis of the MIDI sound source data is completed. The method of claim 11, In the step (c), when the event data includes the first code value of the FF 05 format, the lyrics are recognized. If the event data includes the second code value of the 9n Kk Vv format, the system name or the chord is recognized. The Kk and the Vv is a recording medium for recording a program having an arbitrary hexadecimal value. The method of claim 12, And a program in which the event data is recognized as the chord only when an octave as an integer value calculated by the following equation is 0 or 1. Octave = Dec (Kk) / 12 Here, Dec (Kk) is a function that converts Kk to a decimal value. The method of claim 12, And recording a program for converting a corresponding code value into a number corresponding to a value calculated by the following equation in a preset key mapping table when the event data is the system name or the chord. Note = Dec (Kk) mod 12 Here, Dec (Kk) is a function that converts Kk to a decimal value, and mod is a function that takes the remainder of the calculated value. The method of claim 12, And a recording medium for recording a program ignoring the corresponding Kk value when the Vv is zero.

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