JP2553500B2 - Electronic musical instrument - Google Patents

Description

TECHNICAL FIELD OF THE INVENTION The present invention relates to an electronic musical instrument useful for practice performance.

[Prior Art] Conventionally, in an electronic musical instrument, when a plurality of scale information is stored in a memory and the scale information is sequentially read to perform an automatic performance or a practice performance, one key for each key is recorded. LEDs (light-emitting diodes) are installed near the upper part, etc., and the LEDs of the keys corresponding to the next scale to be played are sequentially turned on, so that the keys can be operated according to the keys of the turned-on LEDs. , You can play the manual according to the song. In particular, a device that can contribute to practice for beginners has been put into practical use.

[Problems of conventional technology] However, in such a case, the LEDs are only sequentially turned on in accordance with the scale information read out, and especially in the case of an infant, it is not familiar and the scale name and score It was difficult to understand the position in.

[Object of the Invention] The present invention has been made in view of the above-mentioned circumstances, and an object of the invention is to make an electronic musical instrument in which a key to be pressed next according to the progress of a song is visually easy to understand and is friendly. Is to provide.

[Summary of the Invention] In order to achieve the above-mentioned object, the present invention stores screen information corresponding to each scale (at least the trunk sound of the Doremi Fasolasi) in a memory such as an FD (floppy disk), and The main point is to display a pictorial diagram corresponding to the scale to be played next on the display device and teach it.

Further, in a memory such as an FD, at least one piece of music information, screen information (for example, score display information) showing all or a part of this music information, and each musical scale that composes the music (at least the trunk sound of the Doremi Fasolasi) The screen information of the pictorial diagram corresponding to is stored, and by reading out and displaying the screen information representing all or part of the stored music information, the composition of the music is known in advance in the score display. Further, it is important to learn by sequentially reading the stored music information and also reading and displaying the screen information for displaying the pictorial diagram corresponding to each scale.

[Configuration of Embodiment] An embodiment of the present invention will be described in detail below with reference to the drawings.

<Overall Appearance Configuration> FIG. 1 shows the overall appearance of an electronic musical instrument to which the present invention is applied. A keyboard 2 is provided on the front side of a main body 1,
A pair of left and right sound emitting portions 3, 3 are provided in the back of the keyboard 2. A lid 4 is rotatably provided on the keyboard 2 of the main body 1 so as to cover the keyboard 2 as shown in FIG. 2 when the lid 4 is closed and to cover the keyboard 2 as shown in FIG. 1 when the lid 2 is opened. You can stand up. A display unit 5 is provided on the back surface of the lid 4, and is positioned in front of the operator when the lid 4 is erected. The display unit 5 is composed of a dot matrix display type color liquid crystal display device. As shown in FIG. 5, a picture representing the sound to be played next to the music is displayed in color. On the right side of the keyboard 2, a music designating mode switch 8 is provided in addition to the power switch 6. This song specification mode switch 8 is the 1st to 10th keys of the white key on the keyboard 2.
It is a switch that switches to the mode that specifies the 10th song.

An insertion opening 10 for inserting a floppy disk 9 to be described later is provided on the left side of the right sound emitting section 3. Nothing is recorded on the first track of this floppy disk 9, and video information of the song titles of ten songs recorded on the floppy disk 9 is recorded on the second track as shown in FIG. Has been done. Then, the score image information for each scale of the music for one screen is recorded on the even-numbered tracks 11 on and after the third track, and on the odd-numbered tracks 11 inside the track 11 on which this score image information is recorded,
Musical note information corresponding to the musical score image information is recorded, and the musical score image information and the musical note information are read in parallel from the two sets of tracks 11, 11.

Further, as shown in FIG. 8, on the other track 11 of the floppy disk 9, screen information for displaying at least a picture related to each stem, for example, a scale (stem) is "C (do)". Then, as shown in the upper left column of FIG. 8, the one including the pronunciation "do", that is, the picture of the donut is displayed on the upper section of the display unit 5, and the picture name "donut" and the scale name are displayed. The name of the picture is displayed on the right side of the picture of the donut with the common character "do" surrounded by a circle, and a black circle is added to the lower part of the display unit 5 at the same position as the operated key. The screen information for displaying the picture on the keyboard is recorded one by one, and the screen information for displaying the picture as shown in the upper middle row of FIG. 8 is recorded one by one if the scale is “D”. And the picture corresponding to the scale to be played next is selectively displayed on the display unit 5. It will be displayed.

<Overall Circuit Configuration> When the operation signal of the song designating mode switch 8 is given to the image processing CPU 20 shown in FIG. 4, a control signal is given from the image processing CPU 20 to the servo circuit section 22 to cause the servo motor 23 to operate. When the floppy disk 9 is rotated by being driven, the magnetic heads 12 and 13 are moved to the floppy disk 9
The first and second tracks are read by sliding in the radial direction. Also, when an operation signal of the music designation data from the keyboard 2 is given to the image processing CPU 20,
Similarly, a control signal is applied from the image processing CPU 20 to the servo circuit section 22 to read the track 11 of the corresponding tune from the floppy disk 9. Furthermore, in order to read the screen information corresponding to each scale from the track 11, a CP for image processing is used.
The U20 gives a screen selection signal to the servo circuit unit 22.

The video information for one screen read from the track 11 of the floppy disk 9 through the magnetic head 12 is used by the reproduction processing circuit section 14 for R (red), G (green), and B (blue) analog signals. Is converted into a digital signal by the A / D converter 15 and stored in the one-screen memory unit 16. The display data for one screen stored in the one-screen memory unit 16 is sequentially read out, and the R drive circuit 1 is provided for each R, G, B signal.
7, the G drive circuit 18, the B drive circuit 19 through the display unit 5
Are sequentially given to each pixel and displayed. The display pixels of the display unit 5 are designated according to the scanning signal from the scanning electrode driving circuit 21 driven by the image processing CPU 20, and the writing and reading of the display data of the one-screen memory unit 16 and the reproduction processing circuit are performed. The part 14 and the A / D converter 15 are driven by the image processing CPU 20.
It is performed based on the control signal from.

The note information read from the track 11 of the floppy disk 9 via the magnetic head 13 is displayed on the display unit 5 as described above.
This note information corresponds to the musical score displayed in Fig. 2, and the key information indicating the scale and the tone length data indicating the sound emission time of the note are extracted from the note information via the reproduction processing circuit section 24, and the music information memory Stored at 25. This song information memory
The key code in 25 is supplied to the matching circuit 31 (including the tone length data if necessary) and the image processing CPU 20. The data from the image processing CPU 20 is given to the memory control circuit 32. This memory control circuit
32 is address data and read / write signal according to this
The R / W is given to the music information memory 25. As a result, the read addresses for the music information memory 25 are stepped up one by one,
The match comparison process for the next sound is started.

That is, the keyboard 2 is provided with a large number of keys, and the output of each key is sent to the key code generating section 27, the key code of the operation key is discriminated and given to the other end of the coincidence circuit 31, and the tone generating circuit 28 is also provided. Sent to and a musical tone signal is created, and the amplifier 2
9. It is emitted as a musical sound through the speaker 30.

On the other hand, the coincidence circuit 31 detects the coincidence between the key code from the music information memory 25 and the key code of the musical tone manually played by the keyboard, gives the coincidence detection signal to the image processing CPU 20 and the musical tone generating circuit 28, and If they match, the next picture is displayed on the display unit 5 and the musical sound is emitted, but if they do not match, the display of the next picture is prohibited and the wrong musical sound is prohibited.

[Operation of Embodiment] Next, the operation of the above embodiment will be described. Now, it is assumed that the floppy disk 9 stores note information and musical score image information for 10 songs as shown in FIG. 5 in pairs of two tracks. Further, the floppy disk 9 stores screen information corresponding to the scale. Then, the power switch 6 is turned on, then the floppy disk 9 is inserted and set from the insertion slot 10, and the music designation mode switch 8 is turned on.

Then, the operation signal of the music designation mode switch 8 is given to the image processing CPU 20, and the image processing CPU 20 receives the servo circuit section.
A control signal for reading the first and second tracks of the floppy disk 9 is given to 22 and the switching signal for the one-screen memory section 16 is set to a high level, whereby all track names of the second track shown in FIG. The video information is read out, and the one-screen memory unit 16 is passed through the reproduction processing circuit unit 14 and the A / D converter 15.
Preset to. Then, the music title image information is output to the display unit 5 and displayed.

Next, for each of the displayed 10 song titles, the corresponding key (this note information in the score shown in FIG. 6 is as shown in FIG. 7) of the song to be automatically played, for example, the first song (this note information is as shown in FIG. 7). In this case, the first key) is turned on. Then, the operation signal of the music designating data of "1" corresponding to the operation key is given to the image processing CPU 20, and the image processing CPU 20 receives the servo circuit section.
A control signal for reading the third and fourth tracks is given to 22 and the note information shown in FIG. 7 is written in the music information memory 25.

As a result, the musical score shown in FIG. 6 is displayed on the display unit 5, and when the song designating mode switch 8 is turned off next, the scale to be played first, that is, "E" is displayed on the screen.
(Mi) ”A picture of a mandarin orange as shown in the upper row of the right column of FIG. 8 and the name of the character“ Mi ”surrounded by a circle and the black circle at the same position as the operated key Screen information (see FIG. 8) having a picture of the keyboard as one screen is read from the floppy disk 9 and displayed.

After that, by the operation of the image processing CPU 20, the picture corresponding to the key to be pressed next (an example of the picture of only the trunk sounds is shown in FIG. 8) is sequentially displayed on the display unit, and the matching circuit 31 The key code played by the keyboard 2 and sent from the key code generator 27, and the music information memory
While checking the coincidence with the key codes sequentially sent by 25, if not wrong, the CPU 20 for image processing is caused to output the output command of the following picture, and the speaker 29 is caused to emit the correct musical sound.

On the other hand, if it is wrong, the matching circuit 31 is the CPU 20 for image processing.
Command to prohibit the output of the following picture,
From 30, the musical sound is not emitted. In this way, the practice performance of the designated song is advanced.

In the above embodiment, the note information representing the music and the screen information corresponding to at least the stem sound are stored together in the floppy disk, but only the screen information is stored in the floppy disk and the note information is stored in the internal memory or It may be stored in an external memory and the floppy disk and the memory may be operated simultaneously.

Further, it goes without saying that the screen information corresponding to the scale may include not only a stem sound but also a semitone, and further, the screen information may be different for each octave so that the difference in octave can be recognized.

In addition to the floppy disk, ROM pack, RAM pack, and
It may be a magnetic tape, a laser disk, or the like, and the note information may include information such as rhythm, tone color, and volume, and may also be a plurality of notes having an ensemble effect.

[Effects of the Invention] As described in detail above, the present invention configures music information, screen information (for example, score display information) representing all or part of this music information, and music in a memory such as an FD. An electronic device that stores screen information of pictorial diagrams corresponding to each scale (at least the main tone of the Doremi Fasolasi), and displays the musical score according to these information, and sequentially displays the pictorial diagrams of the scale to be played next. Because it is a musical instrument, even young children have the advantage of being visually enjoyable to practice while remembering the meaning of the score and the scale name.

[Brief description of drawings]

The drawings show one embodiment of the present invention.
FIG. 4 is an overall external view of an electronic musical instrument to which the present invention is applied, FIG. 3 is a diagram showing a floppy disk 9, FIG. 4 is an overall circuit diagram of an electronic musical instrument to which the present invention is applied, and FIG. FIG. 6 is a diagram showing an example of a musical score, FIG. 7 is a diagram showing musical tone information of the music, and FIG. 8 is a diagram showing each stem sound displayed on the display unit 5. It is a figure which shows a pictorial diagram. 2 ... Keyboard, 5 ... Display, 9 ... Floppy disk, 16 ... Single screen memory, 20 ... Image processing CPU, 2
5 ... Music information memory, 28 ... Music generation circuit, 31 ... Matching circuit, 33 ... End / final chord detection section.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography SHO 58-50491 (JP, U) ACT 59-89393 (JP, U)

Claims (7)

(57) [Claims] 1. To display a series of musical note information representing a musical composition, first screen information representing at least a part of the series of musical note information, and at least for each stem, a pictorial diagram related to the stem. Second storage unit for storing the second screen information, first reading unit for reading out the first screen information representing at least a part of the series of note information stored in the storage unit, and the storage unit for storing the first screen information. Second reading means for sequentially reading the recorded note information and reading second screen information for displaying a pictorial diagram corresponding to the note information from the storage means, and second reading means read by the first and second reading means. An electronic musical instrument comprising: a display unit that displays based on at least one of the first and second screen information. 2. The electronic musical instrument according to claim 1, wherein the pictorial diagram related to the stem sound is a pictorial diagram showing a position of a keyboard with respect to the stem sound. 3. The pictorial diagram related to the stem sound includes a pictorial diagram showing a position of a keyboard with respect to the stem sound, a pictorial diagram in which the pronunciation of the name includes the pronunciation of the stem sound, and further a letter indicating the name. The electronic musical instrument according to claim 1, wherein: 4. A series of musical note information representing music, first screen information representing at least a part of the series of musical note information, and second screen information for displaying data designating the musical composition. And a storage means for storing, for at least each stem sound, third screen information for displaying a pictorial diagram related to the stem sound, and a display for performing display based on the supplied screen information. Means, first reading means for reading, from the storage means, second screen information for displaying data designating music for each music, and displaying data indicating a plurality of music on the display means, and the display means. From the storage means, selection means for selecting an arbitrary music piece from a plurality of music pieces displayed in step 1) and first screen information representing at least a part of a series of note information corresponding to the music piece selected by the selection means. Read Second reading means for displaying at least a part of a series of note information on the display means, and a series of note information corresponding to the music piece selected by the selecting means, sequentially read from the storage means, and read out. Third read-out means for reading out third screen information for displaying a picture corresponding to the note information from the storage means and for displaying a picture corresponding to each note information on the display means. An electronic musical instrument. 5. The electronic musical instrument according to claim 4, wherein the pictorial diagram related to the stem sound is a pictorial diagram showing a position of a keyboard with respect to the stem sound. 6. The pictorial diagram related to the stem note includes a pictorial diagram showing a position of a keyboard with respect to the stem note, a pictorial diagram in which the pronunciation of the name includes the pronunciation of the stem note, and further a letter indicating the name. The electronic musical instrument according to claim 4, wherein: 7. The electronic musical instrument according to claim 4, wherein the data designating the musical composition is a musical composition name.