JP2879745B2 - Electronic musical instrument - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an electronic musical instrument to which a sound source pack is externally connected.

[Prior Art] Conventionally, there has been known an electronic musical instrument called a musical synthesizer or a sound source module which can edit a tone of a musical tone. As shown in FIG. 7, in this type of conventional electronic musical instrument, as shown in FIG. 7, a console unit 1 including various operation keys and a display unit for editing a tone of a musical tone, and a sound source unit 2 for generating a musical tone signal are integrated. Is configured. That is, the console unit 1 and the sound source unit 2 are inseparable. Therefore, the user operates the various operation keys 1-2 while viewing the display unit 1-1 of the console unit 1, and edits the tone color of the musical tone in the sound source unit 2.

In recent years, in addition to the above, electronic musical instruments used by performers for performing operations and electronic musical instruments used for
(Musical Instrument Digital Interface) Some of them are connected by communication means based on the standard, and a sound source to be used can be selected from a plurality of sound sources (see FIG. 8).

[Problems of the Related Art] However, even in such a case, when editing the timbre of a musical sound to the sound source units 6-1 to 6-3 of the electronic musical instrument used for the sound source, the electronic musical instrument used for the performance operation is not used. Instead of using the console unit 3, this is performed in the console units 5-1 to 5-3 of the electronic musical instrument used for the sound source.
The console section 3 of the electronic musical instrument used for the performance operation is for simply editing the tone of the tone generator section 4 of the electronic musical instrument. In order to perform tone editing for a plurality of sound sources of different standards and types with a single console unit, a tone editing program for the sound source is required for each sound source to be used. Memory 9 and an expensive floppy disk drive 10 for loading the data (see FIG. 9).

[Object and Point of the Invention] The present invention relates to an electronic musical instrument to which sound sources of various standards and types can be connected, and even if any sound source is connected, the sound source is connected to the console section of the electronic musical instrument. It is an object of the present invention to realize an electronic musical instrument capable of editing the tone of a sound source without using an expensive floppy disk drive or the like.

The above object is achieved by externally connecting a sound source pack having a sound source unit and a tone color editing program storage means for storing a tone color editing program for performing tone color editing on the sound source unit, The present invention is attained by an electronic musical instrument that reads a tone color editing program from a storage unit and performs tone color editing on a sound source section of the sound source pack based on the read tone color editing program.

That is, a sound source pack having a sound source and a tone editing program for editing a tone for the tone source is connected to the electronic musical instrument, and the electronic musical instrument reads the tone editing program from the connected tone pack and reads the read tone editing program. In accordance with the editing program, the timbre of the sound source of the sound source pack is edited.

Embodiment An embodiment of the present invention will be described below in detail with reference to FIGS.

FIG. 1 is an overall circuit configuration diagram of an electronic musical instrument according to an embodiment and a sound source pack connected to the electronic musical instrument. Electronic musical instruments 20
The console 21 includes a keyboard 21-1 for playing, various operation keys 21-2 for editing a tone, a console unit 21 including a display unit 21-3, a CPU 22 for controlling the entire electronic musical instrument 20, and the like. I have. The CPU 22 controls the entire electronic musical instrument 20 according to a micro program stored in the ROM 23.

The RAM 24 is for storing a tone color editing program read from the sound source pack as described later. When the electronic musical instrument 20 is turned on, nothing is stored in the RAM 24.

The I / O port 25 is for transmitting and receiving data between the electronic musical instrument 20 and a sound source pack connected to the electronic musical instrument 20.

The PCM type sound source pack 30 includes an I / O port 31, a CPU 32, a ROM 33, and a sound source unit 34, and the modulation type sound source pack 40 and the sine wave synthesis type sound source pack 50 are also the PCM sound source pack 3 described above.
It has the same configuration as 0. I / O port 31
It is connected to the I / O port 25 and transmits and receives data to and from the electronic musical instrument 20. The ROM 33 stores in advance a timbre editing program for editing timbres for the PCM-type sound source unit 34 and a microprogram for the CPU 32 to control the entire PCM-type sound source pack 30.

The tone signal generated by the sound source section 34 is the D / A of the electronic musical instrument 20.
The converter 26 converts the digital signal into an analog signal, and the sound system 27 emits the sound as an audio signal.

2 (a) is an external top view of the electronic musical instrument 20, and FIG. 2 (b) is an external rear view of the electronic musical instrument 20 and external top views of various sound source packs (30, 40), which are the same as FIG. The numbered components have the same function.

In FIG. 2B, the PCM type sound source pack 30 or the modulation type sound source pack 40 is, for example, a slot 25 of the electronic musical instrument 20.
-1, 25-2, respectively, and connected to the electronic musical instrument 20. In this embodiment, the electronic music station 20 has only four slots, but the number of slots may be any number.

Next, the operation of this embodiment will be described in detail with reference to FIG.

First, the operation of the electronic musical instrument during performance will be described. The CPU 22 instructs the sound source pack to sound or mute the sound via the I / O port 25 based on the performance information obtained by the key pressing operation of the keyboard 21-1. Now, the PCM type sound source pack 30 and the modulation type sound source pack 40
If it is inserted into the sound source pack 25-1, the above instruction is issued to the sound source pack side of the system specified by the operation of the operation key 21-2.

On the other hand, the sound source pack that has received the instruction drives the sound source unit 34 based on the instruction to generate a tone signal.

Next, the operation of transmitting and receiving a tone color editing program for tone color editing between the electronic musical instrument 20 and the tone generator pack will be described in detail with reference to FIG. Here, FIG. 3A is a flowchart showing the operation of the CPU 22 on the electronic musical instrument 20 side, and FIG. 3B is a flowchart showing the operation of the CPU 32 on the sound source pack side.

The CPU 22 of the electronic musical instrument 20 periodically scans the operation key 21-2, and determines whether a new sound source pack is designated by the operation key 21-2 (step Sa-1).
If YES is determined in this step Sa-1, the CPU 22
Requests the newly designated sound source pack to transmit the tone color editing program stored in the ROM 33 of the sound source pack (step Sa-2).

On the other hand, the CPU 32 of the sound source pack that has received the transmission request of the tone color editing program determines YES in step Sb-1,
Reads out the tone editing program from ROM 33 and I / O port 31
Is transmitted to the electronic musical instrument 20 through the step (step Sb-2).

The electronic musical instrument 20 determines whether or not the tone color editing program has been received (step Sa-3).
When the judgment is made, the received tone color editing program is written into the RAM 24 (step Sa-4).

On the other hand, the sound source pack determines whether or not all of the tone color editing programs have been transmitted (step Sb-3), and continues to transmit the tone color editing programs to the electronic musical instrument 20 until YES is determined (step Sb-2). ). In this manner, all the tone color editing programs are transmitted, and if YES is determined in step Sb-3, the CPU 32 transmits a program end signal to the electronic musical instrument 20 (step Sb-4).

The electronic musical instrument 20 determines whether or not the program end signal has been received (step Sa-5), and continues to write the received tone color editing program into the RAM 24 until the program end signal is received. When the program end signal is received from the sound source pack and YES is determined in step Sa-5, the CPU 22 determines that the writing of the timbre collection program to the RAM 24 has been completed, and this flow (FIG. )), And returns to the main flow (not shown).

In this manner, the electronic musical instrument 20 has a tone color editing program for editing the tone color of the tone generator section 34 of the newly designated tone generator pack. Then, the console section 21 of the electronic musical instrument 20
By appropriately operating the operation keys 21-2 of the RAM 24,
The tone color editing of a musical tone can be performed on the tone generator unit 34 of the tone generator pack in accordance with the tone color editing program written in.

In the above embodiment, one of the plurality of sound source packs inserted into the slot of the electronic musical instrument 20 is designated as one sound source pack,
The tone editing program is imported from the specified sound source pack. However, when the number of slots is set to one and the sound source pack is inserted into the slot, the tone editing program is automatically imported from the inserted sound source pack. (See FIGS. 4 (a) and 4 (b)).

As can be seen from FIG. 4 (b), the electronic musical instrument 20 has only one slot, into which a sound source pack 30 of the PCM system is inserted.

When the modulation type sound source pack 40 is used instead of the PCM type sound source pack 30, the user removes the PCM type sound source pack 30 from the slot of the electronic musical instrument 20, and inserts the modulation type sound source pack 40 into the slot instead. Good.

When the sound source pack is inserted into the slot, the electronic musical instrument 20 automatically takes in the tone color editing program from the sound source pack (see FIGS. 6A and 6B).

6 (a) and 6 (b) show steps Sa-1, steps
Except for Sa-2, it is completely the same as FIGS. 3 (a) and 3 (b).

In step Sa-1 of FIG.
Determines whether a sound pack has been inserted into the slot,
When the sound source pack is inserted, a request to transmit the tone color editing program is sent to the inserted sound source pack (step Sa).
-2).

Further, when there are a plurality of slots (FIG. 5 (a),
In (b), the tone color editing program may be automatically loaded from the last inserted sound source pack.

In this case, as shown in FIGS. 6 (a) and 6 (b), the electronic musical instrument 20 determines whether a new sound source pack has been inserted into the slot (step Sa-1) and newly generates a new sound source. When the pack is inserted, the transmission of the tone editing program is requested to the sound source pack (snub Sa-
2).

Further, in the above embodiment, the present invention is applied to an electronic keyboard instrument, but can be applied to other electronic musical instruments, for example, an electronic wind instrument and an electronic stringed instrument. When applied to an electronic wind instrument, a pitch designation switch and a breath sensor of the electronic wind instrument correspond to the keyboard 21-1 in the above-described embodiment. When applied to an electronic stringed instrument, a fret switch (pitch extraction unit) provided on a fingerboard is used. ) Or a string that is stretched corresponds to the keyboard 21-1.

[Effects of the Invention] As described above, according to the present invention, an electronic musical instrument to which sound sources of various standards and types can be connected, and the console section of the electronic musical instrument regardless of which sound source is connected Thus, an electronic musical instrument capable of editing the timbre of the connected sound source can be realized without using an expensive floppy disk drive or the like.

[Brief description of the drawings]

FIG. 1 is a diagram showing the overall circuit configuration of an electronic musical instrument and a sound source pack according to an embodiment of the present invention. FIG. 2 (a) is a top view of the external appearance of the electronic musical instrument, and FIG. FIGS. 3 (a) and 3 (b) are flow charts showing an operation when a tone editing program is transmitted and received between the electronic musical instrument and the sound source pack. FIG. 4 (a) is an external top view of an electronic musical instrument according to another embodiment of the present invention, and FIG. 4 (b) is an external rear view of the electronic musical instrument according to FIG. FIG. 5 (a) is an external top view of an electronic musical instrument according to another embodiment of the present invention, FIG. 5 (b) is an external rear view of the electronic musical instrument according to FIG. 5 (a), and FIGS. 6A and 6B are external top views of the sound source pack. FIGS. 6A and 6B show the electronic musical instrument according to FIG. 4 or FIG. FIG. 7 is a flowchart showing an operation of transmitting and receiving a tone editing program to and from a source pack. FIG. 7 is an electronic musical instrument in which a sound source unit and a console unit for performing tone editing on the sound source unit are integrally formed. FIG. 8 is a diagram showing an example in which an electronic musical instrument used for a sound source is connected to an electronic musical instrument used for performance operation by MIDI, and FIG. 9 is a diagram showing a standard using a single console unit. FIG. 11 is a diagram showing an example in which an extended memory or a floppy disk drive is used to edit a timbre for a plurality of sound sources of different types and types. 20 ... Electronic musical instrument, 21 ... Console part, 30 ... PCM sound source pack, 40 ... Modulation sound source pack, 50 ... Sine wave synthesis sound source pack.

Claims (2)

(57) [Claims] 1. An electronic musical instrument to which a sound source pack having a sound source section and a tone editing program storage means for storing a tone editing program for performing tone editing on the tone section is externally connectable. Reading means for reading out the tone color editing program from the tone color editing program storage means at the time of connection; and control means for performing tone color editing on the tone generator of the tone source pack based on the tone color editing program read by the reading means. An electronic musical instrument characterized by that: 2. An electronic musical instrument to which a sound source pack having a sound source section and a tone editing program storage means for storing a tone editing program for performing tone editing on the tone section is externally connectable. Reading means for reading the tone color editing program from the tone color editing program storage means at the time of connection; storage means for storing the tone color editing program read by the reading means; and the above based on the tone color editing program stored in the storage means. An electronic musical instrument, comprising: control means for performing tone editing on a sound source section of a sound source pack.