JP3157689B2 - Music score creation device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a musical score creating apparatus, and more particularly to a musical score creating apparatus capable of easily changing transposition information of each part to an optimum value.

[0002]

2. Description of the Related Art Conventionally, there has been a musical score creating apparatus for printing a musical score based on musical score data. This musical score creation device has a function of converting performance data such as MIDI data into musical score data and displaying or printing the musical score. When performing such conversion, MIDI
The note numbers in the data corresponded to the pitches of the notes on the staff.

[0003]

The MIDI data is data for performing a performance, and is data depending on a sound source for generating a tone signal. For this reason, in the above-described conventional score creating apparatus, if the MIDI data note numbers correspond directly to the musical note heights on the staff, the note numbers may deviate extremely up and down from the staff of the score. However, there is a problem that it is very difficult to read and the aesthetic feeling is impaired. SUMMARY OF THE INVENTION It is an object of the present invention to improve the above-mentioned problems of the prior art and to provide a musical score creating apparatus capable of displaying and printing a beautiful and easy-to-read musical score.

[0004]

According to the present invention, in a musical score creating apparatus, means is provided for counting the frequency of occurrence of pronunciation information for each pitch of a designated part in data, and the totaled frequencies of occurrence are arranged in order of pitch. And displaying a staff notation and a clef corresponding to the displayed appearance frequency information.

[0005]

According to the present invention, by the means as described above, the appearance frequencies of the sounding information for each pitch of the designated part in the data are totaled and displayed in the order of the pitch, and the displayed appearance frequency information and The staff notation and clef are displayed correspondingly, so the distribution of notes on the staff can be understood at a glance, and if the current distribution is inappropriate as a musical score, the amount to be transposed or the sound to be changed The type of the group symbol can be easily determined. Therefore, a beautiful musical score can be easily obtained by performing transposition or clef change processing based on the determination result.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a musical score creating apparatus to which the present invention is applied will be described below in detail. FIG. 3 is a block diagram showing a configuration of a musical score creating apparatus to which the present invention is applied. This hardware configuration is that of a general computer system (personal computer). The CPU 20 has a built-in timer, an interrupt control circuit, a DMA control circuit, and the like, and controls the entire score creating apparatus by a program loaded in the RAM 21.
The RAM 21 stores programs and data of the CPU 20,
Used as a work area. The CRT interface circuit 22 is an interface circuit for the CRT display 23 and the keyboard 24, and includes a mouse and its interface circuit (not shown). The HDD 25 is a hard disk drive for storing programs and music data files, and the FDD 26 is a floppy disk drive. Printer interface circuit 27 connects printer 28 to bus 29.

FIG. 5 is a flowchart showing the main processing of the CPU 20. When the musical score creation program is started, in step S1, a data area in the RAM 21 is initialized. In step S2, a main menu (not shown) is displayed. In step S3, menu selection information is input using a keyboard or a mouse. In step S4, it is determined whether or not the selected process is a read process. If the result is affirmative, the process shifts to step S5 to transfer the MIDI data from the floppy disk or the hard disk to the RAM 21.
Perform processing such as reading to the In step S6,
It is determined whether or not the selected process is a setting process. If the process is affirmative, the process proceeds to step S7 to perform a setting process such as correspondence between the afteract and the drum number with the note number.

In step S8, it is determined whether or not the selected process is a conversion process. If the result is affirmative, the process shifts to step S9, which will be described later in detail. Processing such as setting and conversion of MIDI code to musical score information is performed. In step S10, it is determined whether or not the selected process is an editing process. If the process is affirmative, the process proceeds to step S11, where the musical score is edited. In step S12, it is determined whether or not the selected process is a printing process. If the process is affirmative, the process proceeds to step S13 to perform processes such as printing a musical score and displaying an image screen. In step S14, it is determined whether or not termination has been instructed. If not, the process returns to step S2, but if termination has been instructed, the program is terminated.

FIG. 2 is an explanatory diagram showing an example of a screen display at the time of the conversion process in step S9 of FIG. On the left side of the screen, the MID read to the RAM 21 by the reading process
Information about the I data is displayed. On the right side of the screen, the type of clef of the musical score data to be converted, transposition information, and the like are displayed. The part corresponds to one line of the staff of the musical score, and the initial value of the part number is MIDI data No.
(Number) and one-to-one. Part number and M
IDI data No. Corresponds to the data N of each part line.
o. It can be changed by clicking the up triangle or the down triangle in the column with the mouse. The parentheses are symbols for enclosing the staff notation in a plurality of lines, and different figures are designated depending on the type of the parentheses and the positions of the upper end, the lower end, and the like.

The clef is, for example, a treble clef (part 1),
In addition to the bass clef (Part 3) and the C clef (Part 4), there is a grand staff that describes both the G clef and the clef. Each time you click the clef area of the desired part with the mouse, , The clef is changed in the order of G → F → C → L, and the figure is displayed. The initial value is a treble clef. In the transpose (transposition) column, the amount by which the clef is moved when MIDI data is converted to musical score data is displayed in units of one octave. The initial value is 0. When this area is clicked, the screen shifts to a transpose change processing screen. The [Conversion] and [End] buttons at the center are buttons for instructing the start of the data conversion process and the end of the conversion process, respectively.

FIG. 4 is a flowchart showing details of the conversion process in step S9 of FIG. In step S20, it is determined whether or not a setting change has been instructed by clicking in the table of the musical score data in FIG. 2. If the result is affirmative, the process proceeds to step S24. Shifts to step S21. In step S21, it is determined whether or not the [Convert] button has been clicked. If the result is affirmative, the process proceeds to step S22, where M
The process of converting the IDI data into musical score (note) data is performed. If the result is negative, the process proceeds to step S23. In step S23, it is determined whether or not the [end] button has been clicked.
However, if the determination is affirmative, the conversion process ends, and the process returns to the main process. In step S24, the MIDI data No. It is determined whether the instruction is a change instruction of the MIDI data No .. If the determination is affirmative, the process proceeds to step S25. +1 is performed. In step S26, it is determined whether the type of the musical score, that is, the parenthesis or clef section is clicked, and if the result is affirmative, step S27 is performed.
Then, for example, the parenthesis or the clef is changed by changing the parenthesis or the clef figure in the clicked column to the next figure and displaying it. In step S28, it is determined whether or not the transpose field has been clicked. If the result is affirmative, the process proceeds to step S29 to perform the transpose change processing of the corresponding part.

FIG. 1 is an explanatory diagram showing a display screen at the time of transpose change processing. At the approximate center of the screen, a figure B of a piano keyboard is displayed, and the position of the sound of each octave is indicated by a symbol Cn. In FIG. 1, C
Although only 1 to C6 are shown, C-2 to G8 corresponding to note numbers 0 to 127 are actually displayed. In the area C on the right side of the keyboard figure B, the frequency distribution of the sound data of the MIDI channel corresponding to the selected part is displayed as a bar graph. Each bar of the bar graph corresponds to the horizontal position of the white key and the black key of the keyboard graphic B.
A staff notation and a clef are displayed in an area A on the left side of the keyboard graphic B, and each line of the staff corresponds to the horizontal position of each key of the keyboard graphic B. It should be noted that a grand staff including both frequently used treble clefs 2 and f clefs 3 is displayed in the area A. If the designated clef is a treble clef, the grand staff is used. Only 2 is displayed in dark, f clef 3
Are displayed lightly as shown in FIG. When the transpose is 0, that is, when transposition is not performed, a display is made such that the lower C of the treble clef 2 is located at the position C3.

On the right side of the screen, a dialog box D for inputting an instruction with a mouse is displayed. The up arrow button 5 and the down arrow button 6 are buttons for moving the clef displayed in the area A up or down by one octave. The transposition information display area 7 displays which octave the MIDI data is to be moved to, and updates the value by clicking the up arrow button 5 and the down arrow button 6, and by clicking the area 7,
Transposition information can be directly input from the keyboard 24. Each time the button of the symbol button 8 is clicked, the clef is changed and displayed in the same manner as in the clef column of FIG.
When the end button 9 is clicked, the transpose changing process ends, and the process returns to the conversion process. Note that the direction of the clef shift amount and the MIDI data transposition amount are opposite, so that
The transposition amount of the MIDI data is displayed in the display area 7, and when the up arrow 5 is clicked, the transposition amount is incremented by one, and the clef may be moved downward by one octave. Further, the bar graph showing the frequency distribution may be moved by the moving amount (one octave up if +1) without moving the clef graphic.

FIG. 6 is a flowchart showing the transpose changing process in step S29 in FIG. In step S40, the MID corresponding to the specified part
Note frequency data for each pitch (note number) of I data is totaled. Specifically, the key-on messages of the corresponding MIDI channel are counted for each note number, and the count is divided by the total number of key-on messages, thereby obtaining frequency data for each note number corresponding to each key on a one-to-one basis.
In step S41, a keyboard figure B as shown in FIG. 1 is displayed. In step S42, step S
The frequency data obtained at 40 is displayed as a bar graph as shown in FIG. In step S43, FIG.
The clef of the type set in the clef section is displayed at a position based on the transposition information set in the transpose section. In step S44, a dialog box D for mouse input is displayed.

In step S45, it is determined whether or not the up arrow button 5 has been clicked. If the determination is affirmative, the process proceeds to step S46. In step S46, the transposition information of the corresponding part is decremented by one, and the display position of the clef on the screen is moved upward by one octave. In step S47, it is determined whether or not the down arrow button 6 has been clicked. If the determination is affirmative, the process proceeds to step S48. In step S48, the transposition information of the corresponding part is incremented by one, and the display position of the clef on the screen is moved downward by one octave. In step S49, it is determined whether or not the area 7, which is the display and numerical value input area, has been clicked. If the determination is affirmative, the process proceeds to step S50. In step S50, transposition information is updated by inputting a numerical value from the keyboard,
In step S51, the clef is moved to the corresponding position. In step S52, it is determined whether or not the symbol button has been clicked. If the result is positive, the clef change processing is performed by changing the clef graphic to the next graphic and displaying it. Will be Step S54
In, it is determined whether or not the end button has been clicked. If the result is affirmative, the transpose changing process ends and the process returns to the conversion process.

Although the embodiments have been described above, the present invention may have the following modifications. First, transposition information can be automatically set. In this case, an average value of pitch is obtained from the frequency distribution data, and transposition information is determined such that the center of the staff is closest to the average value. If the average value is in the low-pitched portion, the clef is changed to the f-clef, and if the moving amount is still insufficient, transposition is performed. You can also find the difference between the highest and lowest pitch from the frequency distribution data,
Alternatively, a standard deviation may be obtained, and if the value is equal to or larger than a predetermined value, the standard deviation may be changed. The clef and transpose information of each part determined in this way may be displayed as initial values in the table of FIG. Although an example in which the transposition unit is one octave has been disclosed, it is also possible to transpose in, for example, a semitone unit. Although the clef moves on the screen shown in FIG. 1, the clef figure B and the frequency bar graph 4 may move downward or upward instead of moving the clef upward or downward. In this case, since the keyboard figure is the same figure for each octave, only the symbol Cn on the left side of the keyboard need be rewritten. In the embodiment, the example in which the present invention is provided for the process of converting MIDI data to musical score data is disclosed. However, any performance data or musical score data can be input and the display or transposition processing of the present invention can be performed. It is possible.

[0017]

As described above, according to the present invention, the frequency of occurrence of sound information for each pitch of a specified part in data is totaled, displayed in order of pitch, and the displayed frequency information is displayed. The staff notation and clef are displayed in correspondence with, so the distribution of the notes on the staff can be seen at a glance, and if the current distribution is inappropriate as a score, the amount to be transposed or changed The type of the clef can be easily determined. Therefore, if transposition or clef change processing is performed based on the determination result, there is an effect that a beautiful musical score can be easily obtained.

[Brief description of the drawings]

FIG. 1 is a diagram showing a screen display example at the time of transposition change processing.

FIG. 2 is a diagram illustrating an example of a screen display during conversion processing.

FIG. 3 is a block diagram illustrating a configuration of a musical score creation device.

FIG. 4 is a flowchart showing details of a conversion process in step S9.

FIG. 5 is a flowchart showing main processing of a CPU.

FIG. 6 is a flowchart showing a transpose changing process.

[Explanation of symbols]

1 ... display screen, 2 ... g clef, 3 ... f clef, 4 ... frequency bar graph, 5 ... up arrow button, 6 ... down arrow button, 7 ...
Display area, 8 ... Symbol button, 9 ... End button, 20 ... C
PU, 21 RAM, 22 CRT interface circuit, 23 CRT display, 24 keyboard, 2
5 hard disk drive device, 26 floppy disk drive device, 27 printer interface circuit, 28 printer

Claims (6)

(57) [Claims] 1. A music score creating apparatus for displaying or printing a music score based on performance data, means for counting the frequency of occurrence of pronunciation information for each pitch of a specified part in the performance data; A musical score creating apparatus comprising: an appearance frequency display means for displaying in descending order; and a clef display means for displaying a staff notation and a clef at a position corresponding to the displayed appearance frequency information. 2. The apparatus further comprises: storage means for storing transposition information for each part of the performance data; and changing means for changing transposition information stored in the storage means. The musical score creating device according to claim 1, wherein the staff notation and the clef are displayed at positions corresponding to the transposition information stored in the storage means. 3. The sound section further comprising: storage means for storing clef information for each part of the performance data; and changing means for changing clef information stored in the storage means. The musical score creation device according to claim 1, wherein the symbol display means displays a staff notation and a clef of a type corresponding to a position corresponding to the clef information stored in the storage means. 4. A keyboard display means for displaying a keyboard figure of a piano, wherein the appearance frequency display means and clef display means display appearance frequency information, staff notation and clef corresponding to the displayed keyboard. 4. The display according to claim 1, wherein each is displayed.
The musical score creation device according to any one of the above. 5. The musical score creation device according to claim 1, wherein the transposition information changes in octave units. 6. The score creation according to claim 1, further comprising means for automatically determining at least one of transposition information and clef based on the frequency information. apparatus.