JPH0414791Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention relates to a music information input device suitable for use in automatic performance devices, etc., in which musical score information to be input and input music information are superimposed on the same display screen. This display allows input operations to be performed easily and accurately.

[Conventional technology]

Conventionally, when inputting musical information such as pitch information and note length information into an automatic performance device, etc., the pitch, note length (note length or rest length), etc. were entered by pressing keys on a keyboard similar to a typewriter. A method of specifying was adopted.

[Problem that the invention attempts to solve]

According to the conventional method described above, input operations cannot be performed smoothly unless one is familiar with the correspondence between each key and pitch, note length, etc., and it is not efficient for non-skilled users. The input work was difficult. Furthermore, when keyboard operations are performed while looking at a musical score sheet, input errors are likely to occur because the viewpoint shifts.

[Means for solving problems]

This invention was made to solve the above-mentioned problems, and is characterized by displaying musical score information to be input and input music information superimposed on the same display screen. It is.

That is, the music information input device according to this invention includes an imaging device, an input means for selectively inputting music information corresponding to various musical symbols, and musical score information captured by the imaging device and inputted by the input means. The apparatus is equipped with a display means for displaying music information in a superimposed manner on a display surface.

In such a music information input device, the input means includes a cursor movement operation device for moving a cursor on the display surface of the display means, an input command operation device for giving an input command, and a cursor movement controller for moving a cursor on the display surface of the display means, an input command manipulator for giving input commands, and The display means includes means for generating pitch information corresponding to the position of the cursor on the display surface, and means for generating note length information based on the note length designation operation. It is configured to display notes according to note length information.

[Effect]

In the above-mentioned music information input device of this invention, the musical score information to be input and the input music information are displayed superimposed on the same display surface, so that the information already input and the information to be input next are displayed. Confirmation is easy, and since the viewpoint does not need to be moved during confirmation, even unskilled users can easily and accurately perform input operations.

Moreover, if the input means and display means are configured as described above, it becomes possible to input musical note information by adjusting the cursor position, and the input operation becomes easier. Furthermore, as the pitch input means, it is sufficient to provide only a cursor movement operator and an input command operator, and the number of operators can be significantly reduced.

〔Example〕

1 and 2 show a music information input device according to an embodiment of this invention, and in these figures, 10 is a CRT (cathode ray tube) type display device;
12 is an input unit for the right hand, and 14 is an input unit for the left hand.

The display device 10 is coupled to an imaging device 18 via a connection cable 16. The imaging device 18 is, for example, a television camera, and is supported by a support rod 22 fixed upright to the music stand 20 so as to be vertically movable. Musical score information obtained by photographing the musical score book or musical score sheet 20A placed on the music stand 20 with the imaging device 18 is displayed on the display surface 10A of the display device 10 as illustrated in FIG. Ru. In this case, the size of the musical score displayed on the display surface 10A can be adjusted as appropriate by moving the imaging device 18 up and down with respect to the support rod 22. In addition, by moving the score book or score sheet 20A on the music stand 20 in a plane, the display surface 10A is displayed.
You can adjust the position of the musical score as appropriate. Note that the lower part 10a of the display surface 10A has a second
As illustrated in the figure, the menu information such as the key signature and time signature that should be selected during the input operation is "1",
They are displayed together with menu numbers such as "2", "3", etc.

The right-hand input unit 12 is connected to the connection cable 24.
It is connected to the display device 10 via a cursor, and on its top surface there is an upright joystick 26 as a cursor movement control device, and for selectively specifying note length and rest length as shown in FIG. A plurality of note length designation switches 28 are provided for this purpose.

The joy stick 26 can be operated forward, backward, left, and right, and by such operations, the first cursor can be set at any position on the display surface 10A with respect to the musical staff, etc. The main body of the input unit 12 is either heavy or has a suction cup structure so that it cannot be moved by operating the joystick 26.

In the joystick 26, an input command switch 26A is provided at the upper end, and four note length designation switches 26a corresponding to, for example, a half note, a quarter note, an eighth note, and a sixteenth note are provided in the grasping section. ~26d are provided.

The left hand input unit 14 is connected to the connection cable 30.
The display device 10 is connected to the display device 10 through the display device 10, and the top surface thereof includes an upright joy stick 32 as a cursor moving operation device, and an input item selection switch 34 for selecting input items such as key, time signature, tempo, etc. and is provided.

The joy stick 32 can be operated forward, backward, left, and right, and by such operations, the second cursor can be set at any position within the lower part 10a of the display surface 10A with respect to menu numbers, etc. The main body of the input unit 14 is either heavy or has a suction cup structure so that it cannot be moved by operating the joystick 32.

In the joystick 32, a shift command switch 32A is provided at the upper end, and menu numbers "1" to "4", for example, are provided on the grasping section.
Four number designation switches 32, each corresponding to
a to 32d are provided. The shift command switch 32A is used to move the second cursor to the next menu number position each time it is turned on.

As the cursor movement device, a track ball or a mouse which itself can be moved may be used instead of the joystick.

FIG. 3 shows the circuit configuration of the above-described music information input device.

The video input control circuit 40 captures score information by photographing the score book or score sheet 20A with the imaging device 18, and the captured score information is converted into digital video information and sent to the microprocessor 42. is supplied to

The microprocessor 42 forms video information for display based on the digital video information and supplies it to the display control circuit 44. The display control circuit 44 causes the display device 10 to display a musical score as illustrated in FIG. 2 based on the video information for display.

The joystick input control circuit 46 takes in the aforementioned joystick and various switch operation information from the input units 12 and 14 and supplies it to the microprocessor 42. Of these, operation information for cursor movement is supplied to the display control circuit 44. The display control circuit 44 controls the display surface 10A and its lower part 10a according to operation information for cursor movement.
control the positions of the first and second cursors, respectively.

Further, the microprocessor 42 generates various music information based on cursor position information and operation information of various switches, and writes it into the music data memory 48 or causes it to be displayed on the display device 10.
Note that the music information written in the music data memory 48 can be read out as appropriate and used for automatic performance, etc.

Here, to describe an example of music information input/display operation, first, when inputting information such as key, time signature, tempo, etc., move the first cursor with the joystick 26 to the desired position (for example, the treble clef). (the position to the right of), then press the input item selection switch 3.
4. Select the desired input item. For example, if key is selected as an input item, the lower part 10 of the display surface 10A
In a, key symbols such as G major and A major are displayed for each menu number. Therefore, JoyStick 32
and shift command switch 32A to set the second cursor to the position of the menu number corresponding to the desired key symbol, and then press number designation switches 32a-3.
2d, turn on the switch corresponding to the menu number corresponding to the set position of the second cursor. As a result, key data corresponding to, for example, the key of G major is generated and written into the music data memory 48. Also, in accordance with the tone data at this time, a first
The G major symbol appears at the cursor position.
It should be noted that input operations for time signature, tempo, etc. can be performed in the same manner as described above.

On the other hand, when inputting note information, for example, on the display screen 10A in FIG.
When the first cursor is positioned at the beginning of note N ₁ by operating the joy stick 26 and the input command switch 26A is turned on, pitch data corresponding to the pitch position of note N ₁ on the staff is generated. Ru. In this state, if the note length designation switch 26c is turned on to designate an eighth note length, note length data corresponding to the eighth note length is generated.

The pitch data and note length data generated in this way are written into the music data memory 48 as note information regarding the first note _N1 , and are also supplied to the display control circuit 44, and the display control circuit 44 responds accordingly. displays the input note in a superimposed manner at position _N1 on the display surface 10A, and blinks the note _N2 to be input next. In this case, inputted notes may be displayed in a different color from uninputted notes. Input operations can be performed for each note after note _N2 in the same manner as described above.

For whole notes and various rests, please refer to the first
After setting the cursor at a desired position, any one of the note length designation switches 28 may be turned on.

[Effect of idea]

As described above, according to this invention, the musical score information to be input and the input music information are displayed superimposed on the same display screen, so it is easy to check the input information and the uninput information. Since there is no movement of the viewpoint during confirmation, even an unskilled person can easily and accurately perform input operations.

In addition, since a cursor movement controller is provided and note information is input by adjusting the cursor position, only the cursor movement controller and input command controllers are sufficient as pitch input means, which greatly reduces the number of controllers. This makes it possible to reduce the amount of noise and input operations become easier.

[Brief explanation of the drawing]

1 is a perspective view showing a music information input device according to an embodiment of the invention, FIG. 2 is a front view showing a display device and input unit in the device shown in FIG. 1, and FIG. 3 is a perspective view showing a music information input device according to an embodiment of the invention. FIG. 2 is a block diagram showing the circuit configuration of the device. 10...Display device, 10A...Display surface, 12,
14...Input unit, 18...Imaging device, 2
6, 32...joy stake, 26A...input command switch, 26a-26d, 28...note length designation switch, 40...video input control circuit, 42...
...Microprocessor, 44...Display control circuit,
46...joy stake input control circuit, 48...
...Song data memory.

Claims (1)

[Claims for Utility Model Registration] (a) an imaging device; (b) input means for selectively inputting musical information corresponding to various musical symbols; and (c) musical score information captured by the imaging device. and a display means for superimposing and displaying music information input by the input means on a display surface, and the input means includes a cursor movement operation device for moving a cursor on the display surface of the display means;
an input command operator for giving an input command; means for generating pitch information corresponding to the position of the cursor when the input command is given; and generating note length information based on a note length designation operation. means, wherein the display means displays a note corresponding to the pitch information and the note length information at the position of the cursor on the display surface.