JPS6221196A - Electronic musical instrument with display unit - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] [Technical field of invention] The present invention relates to an electronic musical instrument with a display device.

[Prior Art] Conventionally, when practicing or playing a musical instrument, such as at a concert, a piece of paper or a book containing the sheet music of the song to be played is usually prepared, and the player performs while looking at this sheet of paper or book.

[Problem with the prior art 1. However, with such devices, paper or books containing musical scores are used many times each time a performance is performed.

Sometimes it gets dirty, gets damaged, or gets lost.

[Object of the Invention] Therefore, an object of the present invention is to provide an electronic musical instrument that allows musical scores to be viewed without the need for paper or books containing musical scores.

[Summary of the Invention] In order to achieve this object, the present invention stores video information of a musical score in a memory such as a floppy disk, and displays the musical score to be displayed on a display screen by specifying the musical score to be displayed by key operation on a keyboard. The main point is that this was done.

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

Overall appearance configuration> Figure 1 shows the overall appearance of the electronic musical instrument, in which a keyboard 2 is provided on the front side of the main body l, and a pair of right and left sound emitting parts 3.3 are provided at the back of this keyboard 2. It is being A lid 4 is rotatably provided on the keyboard 2 of the main body 1, and when it is closed, the keyboard 2 opens as shown in FIG.
cover the keyboard 2, and when opened, the keyboard 2 will open as shown in Figure 1.
It is now possible to stand up against. A display section 5 is provided on the back side of the M4, and is located in front of the operator when the M4 is stood up. I
The Is is comprised of a color liquid crystal display device with a dot matrix display system, and as shown in FIG. 5, songs and musical scores are displayed in color. On the right side of the keyboard 2, in addition to a power switch 6, a music selection mode switch 8 is provided. When the song designation mode switch 8 is off, normal performance can be performed using the keyboard 2, and when it is on, 36 songs can be specified using the 36 all-white keys of the keyboard 2.

Further, on the left side of the right sound emitting section 3, there is provided an insertion slot 10 for inserting a floppy disk 9, which will be described later. In each track 11 of this floppy disk 9,
Musical score video information as shown in FIG. 5 is recorded one screen at a time.

Overall circuit configuration> In FIG. 4, the ON signal of the song designation mode switch 8 is given to the gate 27 as an open signal, and the operation signal of the white key corresponding to the song number of the keyboard 2 is sent to the gate 27.
is given as a screen designation signal to the image processing CPU 13 via the servo circuit section 1.
4 is given a control signal to drive the servo motor 15, and the floppy disk 9 is rotated.
The magnetic head 16 is slid in the radial direction of the floppy disk 9, and one screen worth of musical score video information is read from the track 11. This read music score video information for one screen is processed by the playback processing circuit section 17 into R (red), G (green), B
The (blue) video signal is extracted, converted into a digital signal by the A/D converter 18, and stored in the one-screen musical score memory section 19. The display data for one screen of this one-screen musical score memory section 19 is read out sequentially, and the R, G, and B signals are
The signal is sequentially applied to each pixel of the display section 5 via the drive circuit 20, the G drive circuit 21.8 and the drive circuit 22 for display. The display pixels of the display section 5 are specified in accordance with a scanning signal from a scanning electrode drive circuit 23 driven by the image processing CPU 13, and the display data in the one-screen musical score memory section 19 is read out and reproduced. The circuit section 17 and the A/D converter 18 are driven based on control signals from the image processing CPU 13.

Further, the depression of the six keys of the keyboard 2 is detected by the musical tone generation processing CPU 12 through the gate 28,
Pitch data corresponding to the operating key is input to the musical tone generating circuit 24 to generate a musical tone signal, which is emitted from the speaker 26 through the amplifier 25. The operation signal of the music designation mode switch 8 is applied to the gate 28 via an inverter 29, and when the music designation mode switch 8 is off, the keyboard 2 can emit musical tones.

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

To display the score, first turn on the power switch 6, insert the floppy disk 9 into the insertion slot 10, turn on the song selection mode switch 8, and press the white key on the keyboard 2 corresponding to the song you want to display, for example For the first song, operate the first white key.

Then, when this song specification mode switch 8 is turned on, gate 2 is activated.
7 is opened, and a screen designation signal for displaying the musical score of the first song corresponding to the first wl of the keyboard 2 is given to the image processing CPU 13 through the gate 27. Thereby, the image processing CPU 13 gives the servo circuit section 14 a control signal for reading the first track 11 of the floppy disk 9. Then, the score video information of the first track 11 is read out and preset in the one-screen score memory section 19 through the reproduction processing circuit section 17 and the A/D converter section 18, and as shown in FIG. The musical score for the song “The River is Calling” recorded on track 11 is displayed on display section 5.
will be displayed.

In this way, the musical score can be viewed by simply opening the lid 4 attached to the main body l of the electronic musical instrument and operating a switch.

Next, when you want to view the score of another song, for example, the second song, you can leave the song specification mode switch 8 on and operate the second white key on the keyboard 2, and do the same with the image processor 1 C.
The PU 13 provides the servo circuit section 14 with a control signal for reading the second track 11 of the floppy disk 9.

As a result, the musical score video information of the second track 11 is read out and preset in the one-screen musical score memory section 19, and as shown in FIG. - The musical score of the song "Multida" is displayed on the display section 5. If the user wishes to view the musical score video information of the third track 11, fourth track 11, etc., he/she may similarly operate the corresponding keys on the keyboard 2 while keeping the song designation mode switch 8 on.

In this way, by operating the keys on keyboard 2,
It is possible to display the musical score of the place ψ.

In this embodiment, since the floppy disk 9 on which musical score video information is recorded is also attached to the electronic musical instrument, the floppy disk 9 can be carried while attached to the electronic musical instrument, and there is no risk of it being lost or damaged. The operation for displaying the musical score is easy, and since the display section 5 is provided on the back side of the lid 4 that can be opened and closed with respect to the main body of the electronic musical instrument, the musical score can be displayed directly above the keyboard 2 when the lid 4 is opened. , it becomes much easier to see the sheet music.

In the above embodiment, the entire musical score of one song is displayed on one screen on the display unit 5, but it may be displayed several measures at a time, and lyrics etc. are attached below the musical score. Furthermore, in addition to the opening/closing lid 4, the display section 5 may be provided directly on a pull-out lid 4, or on the back side of the main body section 1 as a sloped surface, or may be provided directly on the back side of the main body section 1, which is completely separate from the keyboard 2. It may also be placed on the body.

In addition to the floppy disk 9, a ROM pack, a RAM pack, a magnetic tape, a laser disk, etc. may be used as a means for storing the musical score video information.The first track of the floppy disk 9 stores the video information of the list of all songs. You may record it.

[Effects of the Invention] As described above, the present invention allows video information of a musical score to be stored in a memory such as a floppy disk, and a musical score to be displayed to be specified by a key operation on a keyboard to be displayed on a display screen. This eliminates the need for paper and books containing musical scores, and eliminates the need to carry paper and books containing musical scores every time you perform or practice, eliminating the risk of damage or loss. Not only does it not get dirty after repeated use, but it also eliminates the hassle of turning paper or wooden pages by simply operating a switch or other display specifying means to change the displayed score. Furthermore, since you only need to operate the keys on the keyboard to select a song and display the score, there is no need for switches such as a numeric keypad to select the score. This provides effects such as reducing the number of minute switches and making the electronic musical instrument inexpensive.

[Brief explanation of the drawing]

1 and 2 are overall external views of an electronic musical instrument with a display device, FIG. 3 is a diagram showing the floppy disk 9, FIG. 4 is an overall circuit diagram of the electronic musical instrument with a display device, and FIG. 5 is a display unit 5. FIG. 3 is a diagram showing the contents of music score video information displayed in the . 2...Keyboard, 5...Display section, 8
... Song specification mode switch, 9 ... Floppy disk, 12 ... C for musical tone generation processing
PU, 19... Single screen music score memory. Patent applicant Casio Computer Co., Ltd. Figure 2 Flora C-S1 Sk Figure 3

Claims (1)

[Claims] Storage means for storing video information of a plurality of musical scores, and music score video information to be displayed from among the music score video information stored in the storage means is specified by operating at least some keys of a keyboard. The apparatus includes a display specifying means, a reading means for reading the score video information specified by the display specifying means from the storage means, and a display means for displaying the musical score based on the score video information read by the reading means. An electronic musical instrument with a display device characterized by: