JPS6144320Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a musical score set used in an automatic performance device.

Generally, when learning to play an electronic musical instrument, especially an electronic organ, etc., one must learn how to operate the upper keyboard, lower keyboard, pedal keyboard, and various switches based on instruction books or instructional cassette tapes. Furthermore, practice playing a song by operating each of the above keyboards simultaneously. In this case, for example, when practicing playing a melody using the upper keyboard, if the accompaniment or bass tones of the etude are automatically played, the practitioner can listen to the accompaniment or bass tones while practicing. It is possible to practice melody performance and improve practice efficiency.

Conventionally, automatic performance devices have been developed based on this idea.

However, in such an automatic performance device, a musical score set that effectively and appropriately supplies performance information is not provided.

In view of the above-mentioned circumstances, the purpose of this invention is to provide a musical score set that can effectively and appropriately supply performance information for use in an automatic performance device that performs automatically according to magnetically recorded performance information. A cassette containing a magnetic tape that records the performance information of a plurality of songs and a code that enables automatic song selection in front of the performance information, and a musical score that displays the musical score and song number corresponding to the performance information. The cassette is stored and fixed in a storage space formed within the music book.

Hereinafter, embodiments of this invention will be described with reference to the drawings. FIG. 1 is an external view of an automatic performance device 1 for an electronic organ. In this figure, for example, on the right side of the upper surface of the case indicated by reference numeral 2, there are a power switch 3, a numeric keypad 4, a song number display 5, and operation buttons 6. is provided. As shown in FIG. 2, the operation buttons 6 include a write button 6a, a read button 6b, an autocode button 6c, an autobase button 6d, an arpeggio button 6e,
It consists of a tone button 6f, a rhythm button 6g, and a melody button 6h.

Further, a music stand 7 is erected on the left side of the upper surface of the case 2, and a deck 8 is provided on the lower end thereof. A magnetic head 9 and the like are provided at the left end of the deck 8. Further, a presser spring 10 is fixed to the center of the deck 8, and the presser spring 10 is attached to the music stand 7.

Next, the musical score set used in the automatic performance device 1 will be described. This musical score set is shown in FIG.
As shown in FIG. 3, a musical score 11a is printed on a sheet of music 11b, and the sheet of music 11b is bound together to form a book for a number of songs.
This comprises a music book 11 containing 100 pieces of music, and a cassette 12 containing a magnetic tape 15 containing performance information for the 100 pieces of music corresponding to this music book 11. A piece number 11c is displayed at the top of each page of this music book 11, corresponding to each piece of music to be performed. The bottom corners of each score 11b of this music book 11 are cut out in a rectangular shape, forming a storage space 13 in the music book 11. The front cover 11d and back cover 11e are not cut out. The cassette 12 is stored in this storage space 13. Also,
In the above-mentioned stored state, one side of the cassette 12 is fixed to the back cover 11e of the music book 11 by means of adhesive or the like, and the reel hubs 12a, 12a of the cassette 12 are fixed to the back cover 11e.
Holes 14, 14 are formed at positions corresponding to the holes 14, 14, so that a reel shaft (not shown) is inserted into the holes 14,
The cassette 12 can be inserted into the reel hubs 12a, 12a through a magnetic tape 15. The magnetic tape 15 housed in the cassette 12 is constructed as shown in Fig. 4. That is, the magnetic tape 15 has performance information 15a... for example, 100 pieces of music corresponding to the number of pieces written on the score 11 magnetically recorded in sequence according to the music number.
5a... is all the information necessary to play the electronic organ, i.e. melody, chords, bass notes, tone color, rhythm (rhythm tempo and rhythm pattern)
A clear signal 15b is recorded at the beginning of the magnetic tape 15, and blanks (codes enabling automatic selection of music) 15c are recorded before each piece of performance information 15a.

Next, the performance information reading device 16 for reading the performance information 15a of the magnetic tape 15 will be explained. This performance information reading device 16 is installed in the case 2 mentioned above.
The block diagram is shown in FIG. That is, the outputs of the numeric keypad 4, operation buttons 6, and magnetic head 9 are sent to the reading control circuit 17. The above magnetic head 9
The output is sent via a read control circuit 17 to a RAM (random access memory) 18 for storage. Reference numeral 19 denotes a tape feed drive circuit, which stops driving a tape feed motor (not shown) under the control of the reading control circuit 17. The detailed operation of this performance information reading device 16 will be described later.

The automatic performance device 1 configured as described above is used by being placed on the top surface of an electronic organ 20 (electronic musical instrument), for example, as shown in FIG. In this case, automatic performance device 1 and electronic organ 2
0 is electrically connected by a multicore cord or the like (not shown).

Next, the operation of the automatic performance device 1 having the above configuration will be explained. This automatic performance device 1 first writes performance information 15a recorded on a magnetic tape 15 of a cassette 12 into an internal RAM 18, and then sequentially reads out the contents of this RAM 18 to perform automatic performance on an electronic organ 20. be. The details will be explained below.

First, the musical score book 11 is opened where the desired musical score 11a is recorded and placed on the music stand 7. At this time, the sheet music book 11 is held in the open state by the presser spring 10. At this time, the cassette 12 stored and fixed in the storage space 13 of the music book 11 is set on the left end of the deck 8 and held by a holding mechanism (not shown). And power switch 3
When you turn on , and type the same number as the song number 11c displayed on the music book 11 into the numeric keypad 4,
The song number designation signal from the numeric keypad 4 is read by the control circuit 1.
7 and stored in the storage section of this reading control circuit 17. After this, write button 6 of operation buttons 6
When a is pressed, the reading control circuit 17 outputs a drive signal to the tape feed drive circuit 19, which causes the tape feed drive circuit 19 to drive the motor, which rotates the capstan shaft. The magnetic tape 15 contained in the cassette 12 is sent. Note that this tape feeding is always started from the starting end of the magnetic tape 15. When the magnetic tape 15 is fed, the magnetic head 9 detects the blank 15c and outputs a signal to the reading control circuit 17 for each blank 15c.
Immediately after the read control circuit 17 counts the same number of signals as the song numbers stored in the storage section, writing to the RAM 18 is started. That is, the magnetic head 9 reads performance information 15a corresponding to the music score book 11, and the read serial digital performance information signals are converted into parallel digital signals by the reading control circuit 17, and then sequentially stored in the RAM.
18 and stored here. When the performance information has been written to the RAM 18,
The read control circuit 17 detects this, temporarily stops the motor via the tape feed drive circuit 19, and then reverses rotation to return the magnetic tape 15 to its initial state, so that during the next write operation, The magnetic tape 15 is made to be fed from the starting end. The completion of writing is detected by detecting the blank 15c sent after the performance information 15a.

Next, a case will be described in which the electronic organ 20 is caused to perform automatically based on the performance information written in the RAM 18. For example, if a practitioner of the electronic organ 20 wants to practice a melody and automatically play chords and bass notes, press the auto chord button 6c and the auto bass button 6d, and then press the read button 6.
Press b. As a result, the autochord performance information and the autobass performance information are sequentially read out from the RAM 18 in the order in which the songs progress, and are sequentially supplied to the electronic organ 20. As a result, the electronic organ 20 automatically plays the chords and bass tones of the song, and the practitioner can practice playing the melody by looking at the score book 11 while listening to these chords and bass tones. Can be done.

For example, if a practitioner wants to practice playing chords and bass sounds, he or she can first press the melody button 6h and then press the read button 6b, then the electronic organ 20
will automatically play only the melody, allowing practitioners to practice the kobudo and bass sounds while listening to the melody.

In this way, in the automatic performance device 1 shown in FIG. 1, by operating the operation buttons 6 after the performance information on the magnetic tape 15 is written into the RAM 18 by the write operation, the next Automatic performance or automatic settings such as . In other words, pressing the auto chord button 6c will automatically play the chord, pressing the auto bass button 6d will automatically play the bass note, pressing the arpeggio button 6e will automatically play the arpeggio, and pressing the tone button 6f will automatically set the tone and rhythm. When button 6g is pressed, rhythm tones can be played automatically, and when melody button 6h is pressed, melody can be played automatically. Also, as mentioned in the example above,
If you press 2, 3, 4, etc. of each button 6c to 6h, you can press 2, 3, 4, etc. corresponding to the pressed button.
You can perform automatic play or set automatic settings.

Incidentally, the magnetic tape of this invention is not limited to the above-mentioned embodiment, and may be constructed as shown in FIG. That is,
A clear signal 30a is recorded at the beginning of the magnetic tape 30 shown in FIG. 7, and a mark 30c, song number information (a code that enables automatic song selection) 30d, and performance information 30b are recorded for each piece of performance information 30b. recorded sequentially. Such magnetic tape 30
If this is used, it is possible to select a song by detecting the song number information 30d even if tape feeding is started from the middle of the magnetic tape 30.

As explained above, according to this invention, a code that enables automatic song selection is recorded before the performance information on the magnetic tape, so address can be specified by typing the song number displayed on the score into a numeric keypad etc. Then, the performance information can be automatically selected, making the operation easy. Then, the electronic musical instrument is automatically played based on the performance information read from the magnetic tape, and the performer can play along with the automatic performance while looking at the score. For example, when practicing the electronic organ, it is possible to This not only improves practice efficiency but also allows even beginners who can only play melodies to perform perfectly on an electronic organ. Furthermore, since the cassette containing the magnetic tape is stored and fixed within the storage space formed in the score book, the cassette can be stored reliably, and the score set as a whole becomes more compact. Since the correspondence between the score book and the cassette is ensured, inconveniences such as setting the wrong cassette by mistake can be prevented, and furthermore, since the score book and the cassette can be set at the same time, the loading operation is easy. Furthermore, since a cassette is used, a normal cassette mechanism can be incorporated into the automatic performance device, and manufacturing is easy.

[Brief explanation of the drawing]

Figure 1 is an external view of a music score set and an automatic performance device for an electronic organ to which this invention is applied, Figure 2 is a diagram showing details of the operation buttons, Figure 3 is a perspective view of a music book, and Figure 4 is a magnetic tape. 5 is a block diagram showing the circuit configuration of the performance information reading device, FIG. 6 is a diagram showing the automatic performance device mounted on an electronic organ, and FIG. FIG. 3 is a schematic diagram of a magnetic tape showing another embodiment. 1...Automatic performance device, 11...Music book, 11c
... Song number, 12 ... Cassette, 13 ... Storage space, 15 ... Magnetic tape, 15a ... Performance information, 15c ... Blank (code that enables automatic song selection), 16 ... Performance information reading device , 20...Electronic musical instrument, 30...Magnetic tape, 30b...Performance information, 30d...Tune number information (code that enables automatic song selection).

Claims (1)

[Scope of utility model registration request] In a musical score set used in an automatic performance device that reads magnetically recorded performance information and performs automatically according to this performance information, the performance information of multiple songs is magnetically recorded and the music is automatically selected before the magnetically recorded performance information. It consists of a cassette containing a magnetic tape with a code recorded thereon, and a music book that displays the musical scores and song numbers corresponding to the performance information, and the cassette is placed in a storage space formed inside the music book. A musical score set for an automatic performance device, characterized in that it is stored and fixed in the music score set.