JP2564792B2 - Music equipment - Google Patents

Description

Description: TECHNICAL FIELD OF THE INVENTION The present invention relates to a music apparatus for sequentially displaying divided musical scores.

[Prior Art] Conventionally, an electronic musical instrument has a one-key play function in which musical tone information is stored in a memory, the musical tone information is read out, and each time one of the operating means is operated, a note is produced. What you have is realized.

[Problems of Conventional Technology] However, in order to confirm the contents of the one-key play performance, it is necessary to prepare a score showing the performance contents and sequentially turn the pages.

There is also a keyboard-like light emitting diode for each key, and the light emitting diodes of the keys are turned on in sequence according to the pitch currently being emitted, depending on the performance, but the overall flow of the song is understood. I couldn't do that.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a music apparatus capable of visually observing the performance content of a one-key play performance in response to the one-key play performance.

[Summary of the Invention] In order to achieve this object, according to the present invention, a series of stored musical tone information is sequentially read for each note unit each time a single external operator is operated, and the read musical tone is read. While sequentially instructing the generation of musical tones with the corresponding pitch based on the information, all of the sequence of musical tone information corresponding to the displayed score divisions is read in response to the operation of a single external control. The point is that the divided score image information of the next divided score is read out on the condition that it is issued, and the corresponding next divided score is displayed based on this divided score image information.

[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 the electronic musical instrument.
A keyboard 2 is provided on the front side of the
A pair of left and right sound emitting parts 3, 3 are provided in the back of the. 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 portion 5 is provided on the back surface of the lid 4, and when the lid 4 is erected, the display portion 5 is located in front of the operator.
Is composed of a dot-matrix display type color liquid crystal display device, and as shown in FIGS. 7 to 12, music and musical scores are displayed in color. On the right side of the keyboard 2, in addition to the power switch 6, a one-key play switch 7 and a music designation mode switch 8 are provided. The one-key play switch 7 is a switch for performing a one-key play performance in which one note and one music sound are emitted each time it is operated, and the song designating mode switch 8 is arranged from the first key to the white key of the keyboard 2.
It is a switch that switches to a mode that specifies the 10th song with 10 keys.

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 the floppy disk 9, and video information of the titles of 10 songs recorded on the floppy disk 9 is recorded on the second track as shown in FIG. Has been done. Then, one screen of score image information is recorded on the even-numbered tracks 11 on and after the third track, and the track 11 on which the score image information is recorded is recorded.
Musical tone information corresponding to the musical score video information is recorded on the odd-numbered tracks 11 inside the, and the musical score video information and the musical sound information are read in parallel from these two sets of tracks 11, 11.

<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. Further, when the music designating data from the keyboard 2 and the operation signal of the one-key play switch 7 are given to the image processing CPU 20, the image processing CPU 20 also gives a control signal to the servo circuit section 22 so that the floppy disk 9 outputs the control signal. The leading track 11 of the tracks 11 ... Where the corresponding song is stored is read.

The score image information for one screen read from the track 11 of the floppy disk 9 via the magnetic head 12 is
The reproduction processing circuit section 14 extracts R (red), G (green), and B (blue) analog signals, converts them into digital signals by the A / D converter 15, and stores them in the one-screen score memory section 16. It The display data for one screen stored in the one-screen score memory unit 16 is sequentially read out and displayed for each R, G, B signal through the R drive circuit 17, G drive circuit 18, and B drive circuit 19. Each pixel of the unit 5 is sequentially given and displayed. The display pixels of the display unit 5 are designated in accordance with the scanning signal from the scanning electrode driving circuit 21 driven by the image processing CPU 20, and the display data of the one-screen score memory unit 16 is written, read, and reproduced. The unit 14 and the A / D converter 15 are driven based on a control signal from the image processing CPU 20.

Further, the musical tone information read from the track 11 of the floppy disk 9 through the magnetic head 13 has an amount of information corresponding to the display data for one screen displayed on the display section 5, and the musical tone information is reproduced. The key code indicating the pitch is taken out via the processing circuit section 24 and stored and held in the one-screen key code memory section 25. The pitch data and chord (chord) data corresponding to the key code in the one-screen key code memory section 25 are given to the musical tone generation circuit (melody) 27 and the musical tone generation circuit (code) 28 via the musical tone generation processing CPU 26. Then, the melody tone signal and the chord tone signal are generated and emitted from the speaker 30 via the amplifier 29.

The operation signal of the one-key play switch 7 is given to the addressing / R / W control circuit 32 as a next address instruction signal, and the read address for the one-screen key code memory section 25 is advanced by one to release the next sound. The sound starts. The writing of data to the single screen key code memory unit 25 is performed by addressing / R driven by the CPU 26 for tone generation processing.
Address signal from R / W control circuit 32 and R / W (read /
Write) signal.

The musical tone information read from the floppy disk 9 includes an end code indicating a division for each screen amount of information and a final code indicating the end of a song. Both of these codes are also included in the one-screen key code memory section. When either of these codes is read from 25, the end / final code detection unit 33 detects that, and when the end code is detected, a screen change instruction signal is output to the image processing CPU 20. When the final code is detected, an initialization signal is output to the image processing CPU 20. When the image change instruction signal is given to the image processing CPU 20, the image processing CPU 20 gives a control signal for reading the information of the next tracks 11 and 11 to the servo circuit section 22, and the image processing CPU 20 makes a musical sound. Generation processing CPU
A control signal for resetting the address is given to 26, the next screen is displayed on the display unit 5, and the musical sound corresponding to the screen can be emitted by one-key play. Further, when the initialization signal is given to the image processing CPU 20, the image processing CPU 20 causes the servo circuit section 22 and the tone generation processing CPU to operate.
A control signal for stopping driving is given to 26.

The operation signal from the one-key play switch 7 is also applied to the addressing / R / W control circuit 32 as a write address reset signal, and the tone generation processing CPU 26
It is also given as a start signal for the tone generation processing.

<Structure of Single-Screen Music Score Memory Unit 16> The specific circuit of the single-screen music score memory unit 16 is configured as shown in FIG. 5, and R, G, and B from the A / D converter 15 are arranged.
The respective data signals of 1 are preset in the R screen memory 50, the G screen memory 51 and the B screen memory 52 via the gates 34, 35 and 36, respectively, and the R drive circuit 1 via the gates 40, 41 and 42.
7, output to the G drive circuit 18, B drive circuit 19, or preset to the R screen memory 53, G screen memory 54, B screen memory 55 via the gates 37, 38, 39, and the gate 4
It is output to the R drive circuit 17, the G drive circuit 18, and the B drive circuit 19 via 3, 44, and 45. In this way, two sets of screen memories are provided so that one screen data is read from one screen memory while one screen data is written to the other screen memory from the floppy disk 9 immediately when the screen is switched. This is because the next screen is displayed and the screen can be switched without interruption.

A write address signal and a read address signal from the image processing CPU 20 are applied to the R, G, B screen memories 50, 51, 52 via a gate 46 and a gate 47, respectively.
Similarly, the write address signal and the read address signal from the image processing CPU 20 are also applied to the R, G, and B screen memories 53, 54, and 55 through the gate 48 and the gate 49, respectively. An R / W signal is also given from the processing CPU 20. Of the above gates, R, G, B screen memory 5
Gates 34 and 3 on the input side and write address side of 0, 51 and 52
The switching signals from the image processing CPU 20 are given as they are to the gates 43, 44, 45, 49 on the output side and the read address side of 5, 36, 46 and the R, G, B screen memories 53, 54, 55. The above switching signals are inverted and given to the other gates 37 to 42, 47 and 48 through the inverters 57, 58, 59 and 60, so that the writing and reading of each screen memory are alternately performed. There is.

<Structure of Single-Screen Key Code Memory Unit 25> The specific circuit of the single-screen key code memory unit 25 is the sixth circuit.
As shown in the figure, the key code from the reproduction processing circuit section 24 is transferred to the key code memory section 69 via the gate 61.
Is preset to the tone generation processing CPU 26 through the gate 63, or preset in the key code memory unit 70 through the gate 62 and output to the tone generation processing CPU 26 through the gate 64. . Like the above-described one-screen score memory section 16, the two memory sections are provided, and when the musical tone information corresponding to one screen is read from one memory section, the floppy disk 9 is stored in the other memory section. This is because the musical tone information corresponding to one screen from is written so that the next musical tone can be emitted immediately after the one-key play of the score for one screen is finished, and the musical tone can be emitted without interruption.

In the key code memory unit 69, the address designation /
The write address signal and the read address signal from the R / W control circuit 32 are given through the gates 65 and 66, respectively,
Similarly, the write address signal and the read address signal from the addressing / R / W control circuit 32 are also applied to the key code memory unit 70 through the gate 67 and the gate 68, respectively, and the address is supplied to both the memory units 69 and 70. The R / W signal is also given from the designation / R / W control circuit 32. Of the above gates, the gate on the input side and the write address side of the key code memory unit 69
The switching signals from the tone generation CPU 26 are directly applied to the output side and address side gates 64 and 68 of the key code memory section 61 and 65, and the other gates 62, 63, 66 and 67.
The switching signal is inverted and given to each of the memory units 69, 70 via the inverters 71, 72, 73, 74, and writing and reading of the memory units 69, 70 are alternately performed.

[Operation of Embodiment] Next, the operation of this embodiment will be described.

To play a one-key play while displaying the score,
First, turn on the power switch 6 and turn on the floppy disk 9.
Is set from the insertion slot 10 and the music designation mode switch 8 is turned on. Then, the operation signal of the music designating mode switch 8 is given to the image processing CPU 20, and the image processing CPU 20 gives a control signal for reading the first and second tracks of the floppy disk 9 to the servo circuit section 22 to display one screen. Set the switching signal for the score memory section 16 to high level
34 to 36, 46 are opened and a write address signal or the like is given to the screen memories 50 to 52. As a result, the video information of all track names of the second track is read out and preset in the R, G, B screen memories 50 to 52 of the one-screen score memory section 16 through the reproduction processing circuit section 14 and the A / D converter 15. To be done. After this preset, the image processing CPU 20 sets the switching signal to the low level and the screen memory 50
The read address signal is given to .about.52 to output the music title image information in the screen memories 50 to 52 to the display unit 5 and display it as shown in FIG.

Next, for each of the displayed 10 song titles, the score indicating the song to be played by one-key play, for example, "A song" which is the first song (specifically, as shown on the first screen in FIG. A series of chord information corresponding to the first divided score of each divided score obtained by dividing the score into a plurality of pieces (that is,
A key (in this case, the first key) for instructing musical tone information) is turned on. Then, the music designation data of "1" corresponding to the operation key and the operation signal of the one-key play switch 7 are 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 sector of the third and fourth tracks is given to 22 and gates 37 to 39 and 48 are left in the open state while the switching signal for the one-screen score memory section 16 is kept at low level, and the screen memory 53 to A write address signal or the like is given to 55. As a result, the musical score video information of the first screen shown in the upper part of FIG. 8 is read out and preset in the screen memories 53 to 55 of the single screen musical score memory unit 16 through the reproduction processing circuit unit 14 and the A / D converter 15. . The post-preset image processing CPU 20 sets the switching signal to a high level and gives a read address signal to the screen memories 53 to 54 to output the score image information in the screen memories 53 to 54 to the display section 5, as shown in the upper part of FIG. To be displayed.

Then, when the one-key play switch 7 is turned on thereafter, the operation signal of the one-key play switch 7 is given to the address designation / R / W control circuit 32 to be reset and also given to the tone generation CPU 26. Then, the tone generation processing CPU 26 sends a switching signal to the one-screen key code memory section 25 through the addressing / R / W control circuit 32.
Open gates 62, 63, 66, 67 as low level,
A write address signal is given to the key code memory unit 70. As a result, the eighth read from the floppy disk 9
The musical tone information corresponding to the musical score image information on the first screen shown in the lower part of the figure is preset in the key code memory unit 70 of the one screen key code memory unit 25 through the reproduction processing circuit unit 24.
The CPU 26 for the tone generation processing after the preset hig the switching signal.
The read address signal is applied to the key code memory unit 70 at the h level so that the code data and tone pitch data of the musical tone information in the key code memory unit 70 can be read. When the one-key play switch 7 is sequentially operated, the address designation / R / W control circuit 32 is given the next address designation signal,
The read address signal for the key code memory unit 70 is stepped up, the code data and the pitch data are read,
Musical tone generation circuit (melody) 27, Musical tone generation circuit (chord)
It is given to 28, and a musical sound is emitted one by one. In this case, if code data such as C _maj or G _7th is read,
The next pitch data is also read out.

In this way, the performance content of the one-key play performance can be known according to the one-key play performance.

In addition, the above-mentioned screen memories 53 to 55, the key code memory section
While the musical score image information and the musical tone information are read from 70 and the musical score is displayed and played on the first screen, the switching signal is hi.
Gates 34 to 36, 46, 61, 65 are also opened at the gh level, and the score image information and the musical tone information on the second screen shown in FIG. 9 are continuously read from the fifth and sixth tracks of the floppy disk 9. It is sent out and written in the other screen memories 50 to 52 and the key code memory section 69. At this time, CP for image processing
A write address signal is given from the U20 and the tone generation CPU 26 to the screen memories 50 to 52 and the key code memory unit 69 through the gates 46 and 65.

When the end code (END) indicating the end of the first screen is read from the key code memory unit 70, the end / end
A screen change instruction signal is given to the image processing CPU 20 through the final code detection unit 33, which causes the image processing CP 20.
The U20 reads out the musical score video information of the second screen from the screen memories 50 to 52 of the single screen musical score memory unit 16 and displays it on the display unit 5 as shown in FIG. The musical score image information is read from the floppy disk 9 and preset in the screen memories 53 to 55. At the same time, a control signal for address reset is given from the image processing CPU 20 to the tone generation processing CPU 26, whereby the tone generation processing CPU 26 causes the key code memory unit 69 of the one-screen key code memory unit 25 to display the score of the second screen. The tone information corresponding to is read out and the tone is emitted, and the tone information corresponding to the third screen read from the floppy disk 9 in parallel with the score image information on the third screen is stored in the key code memory unit 70. Make it preset.

In this way, simultaneously with the end of the one-key play performance of the score on the first screen, the score on the second screen is displayed, the one-key play performance of the musical tone corresponding to the second screen becomes possible, and the sound emission of the musical tone is performed without interruption.

In this way, writing and reading of the screen memories 50 to 52, the key code memory unit 69 and the screen memories 53 to 55, and the key code memory unit 70 are alternately performed, and the score of the 3rd screen of FIG. 10 and FIG. The score on the 4th screen of Fig. 12 and the score on the 5th screen of Fig. 12 are displayed for one-key play, and when the performance ends, the final code (FINAL) is read out, and as a result, the end / final code detector 33 An initialization signal is given to the image processing CPU 20 through. As a result, the image processing CPU 20 reads out the video information of all the song names shown in FIG. 7 from the floppy disk 9 again and displays it on the display unit 5. In this way, it is possible to immediately select the music piece after the one-key play performance is completed. If another song is selected here, the musical score image information and the musical tone information are read from the corresponding tracks 11 and 11 of the floppy disk 9, and the musical score is displayed and the one-key play is performed in the same manner.

In the present embodiment, two memories are used for storing the musical tone information and the musical score video information, and in addition to the information during the one-key play performance, the information for the next one-key play performance is read from the floppy disk 9 and stored in advance. , Even long songs can be played with one key play without interruption. In this case, the number of memories is not limited to two and may be three or more.

As the means for storing the musical score image information and the musical tone information, a ROM pack, a RAM pack, a magnetic tape, a laser disc, etc. may be used as the means for storing the musical tone information, and the musical tone information includes rhythm, tone color and volume information. May be included, or multiple musical tones with an ensemble effect may be included, and accordingly, the rhythm sound source name, tone color, and
The volume and lyrics may be included, or the score image information may be in the form of a total score in which scores of a plurality of musical instruments are written together, and a cursor or the like is added to a note currently being emitted among the scores displayed on the display unit 5. Alternatively, the note color may be changed, the note color may be reversed in black and white, and the one-key play switch 7 may be a specific key of the keyboard 2, a foot pedal, or any other type.

[Effects of the Invention] As described above, according to the present invention, a series of musical tone information stored in the storage means in a plurality of sets in divided score units is sequentially read for each operation of the external operator, and the read musical tones are While sequentially instructing the generation of musical tones having the corresponding pitch based on the information, all of the series of musical tone information corresponding to the currently displayed divided musical score is read in response to the operation of the single external operator. On the condition that it is output, the division score image information indicating the next division score is read from the storage means, and the corresponding next division score is controlled to be displayed on the score display means based on the division score image information. Because of the configuration, it is possible to check and compare the simple performance by operating the external controls and the split score display, and to reach the final position of the split score where the tone generation instruction by the external controls is displayed. Since the next divided musical score can be automatically switched and displayed each time the player comes, it is not necessary for the performer to operate special instruction means for switching display each time. As a result, the player can concentrate his / her nerves only on the operation of the external operator, so that it becomes possible to smoothly perform the simple performance according to the divided score.

[Brief description of drawings]

1 and 2 are overall external views of an electronic musical instrument with a display device, FIG. 3 is a diagram showing a floppy disk 9, and FIG. 4 is an overall circuit diagram of an electronic musical instrument with a display device, FIG. 5, and FIG. Is a specific circuit diagram of the single-screen score memory unit 16 and the single-screen key code memory unit 25. FIG. 7 is a diagram showing a list of all song names displayed on the display unit 5, and FIGS. FIG. 7 is a diagram showing the contents of musical score video information displayed on the display unit 5 and musical sound information corresponding thereto. 2 ... Keyboard, 5 ... Display, 7 ... One-key play switch, 9 ... Floppy disk, 16 ... Single screen score memory, 20 ... Image processing CPU, 25 ... Single screen key code memory , 26 …… CPU for tone generation processing, 33 ……
End / final code detector.

Claims (1)

(57) [Claims] 1. A single external operator and a unit of a plurality of divided musical scores obtained by dividing a specific musical score, divided musical score video information indicating each divided musical score, and a series of musical notes included in the divided musical score video information. To each of the series of musical tone information corresponding to each of the plurality of sets of musical tone information, and to store the series of musical tone information from the storage unit each time the single external operator is operated. Musical tone generation instruction means for sequentially reading out in musical note units and sequentially instructing the generation of musical tones having corresponding pitches based on the read out musical tone information, and the divided musical score video information stored in the storage means. A score display unit that reads out in units of one divided score, and displays a corresponding divided score based on the read divided score image information in units of the divided score, and a score display unit that displays the divided score displayed by the score display unit. The divided musical score image information indicating the next divided musical score is read from the storage means on condition that all of the corresponding musical tone information corresponding thereto has been read in response to the operation of the single external operator. A music device comprising: control means for controlling the corresponding score display means to display the corresponding next score based on the split score video information.