JPH08106282A - Electronic musical instrument capable of network communication - Google Patents

Abstract

PURPOSE: To simply obtain a personal computer network service by respectively providing a specific control means, a transmission and reception means and a storage means and connecting an electronic musical instrument main body to a telephone line by a user. CONSTITUTION: A transmission and reception means 6 is incorporated in an electronic musical instrument main body. Or, a jack is provided to connect the means 6 to a telephone line 26 through the jack. A communication changeover switch 23 is provided on an operating panel 8 to select either a music playing function or a network communication function and by the operation of the switch 23, the functions of the instrument are switched. Moreover, a CPU 1 of the main body has a control section 20 which controls the communication between the instrument and the means 6 and controls the means 6 through the section 20. Thus, a network communication is established by simply connecting the instrument and a telephone by the line 26 without using a computer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention In addition to the functions of a conventional electronic musical instrument, the present invention provides a transmission / reception control device for transmitting data of musical information through a telephone line to the main body of the electronic musical instrument so that the musical information is transmitted through the telephone line. The present invention relates to an electronic musical instrument having a network function capable of giving and receiving.

[0002]

2. Description of the Related Art In recent years, multimedia functions have been remarkably enhanced and rapidly spread as personal computers have become more sophisticated. Along with this, computer networks using telephone lines have come to be widely used, and their services have been enhanced.

As a part of such computer network activities, computer music has become very popular, the number of users has increased, and music data and the like have been actively exchanged.

However, in order to send and receive demo data using these telephone lines, the data is sent and received by personal computer communication using a personal computer, and the sent and received data is sent using a MIDI or RS-232C interface. It had to be incorporated into an electronic musical instrument again, and the intervention of a computer was indispensable in such data communication.

Further, such a highly functional computer is very expensive, and its operation requires specialized knowledge.
There is a problem that it requires skill and no one can handle it easily.

On the other hand, the development of a modem as a transmitting / receiving means used in these computer communications has been remarkably developed, and a small size /
It is highly functional and at a low price. For example, the communication speed of these modems is generally about 2400 bps, but about 3 modems are used as a repeater.
Some have a communication speed of 0000 bps.

In addition, some of the modems have a built-in memory of about 1 to 4 M, which can send and receive even when the power of the personal computer is turned off at midnight, auto dial function, relay function, transfer destination specification function, time zone specification Functions, telephone and fax
Those having an automatic switching function of lines with the like have also appeared.

Further, it has a multitasking function of transmitting on the one hand and receiving on the other hand, a simultaneous transmission function of simultaneously transmitting to several tens of places, and compressing / decompressing the data in order to efficiently transmit / receive the data. Some have built-in intelligent functions that automatically correct errors and request resends.

Moreover, these modems can be manufactured at a relatively low price and in a very small size if their functions are limited according to the purpose of use. Further, the function of controlling the modem is often realized by a program, and there are many parts in which the CPU function of the electronic musical instrument body can be utilized.

However, since the conventional electronic musical instrument itself does not have a network communication function and it is necessary to intervene in a personal computer to send and receive music information, a user of an electronic musical instrument without a personal computer needs such a network. I couldn't get the service.

Moreover, in order to receive such a network service, it is necessary to be familiar with handling personal computers, which is technically difficult.

[0012]

SUMMARY OF THE INVENTION Therefore, according to the present invention, a modem is built in the electronic musical instrument body or is connectable to the electronic musical instrument body, and the modem is controlled by utilizing the CPU function of the electronic musical instrument. , The purpose of the present invention is to provide an electronic musical instrument in which a user can easily receive the network service of a personal computer by simply connecting the electronic musical instrument body to a telephone line.

[0013]

A first invention is an electronic musical instrument capable of network communication of music information data by a telephone line, and a control means 1 for controlling transmission / reception of music information data to / from an electronic musical instrument body. A transmission / reception unit 6 for transmitting / receiving music information data under the control of the control unit 1 and a storage unit 3 for storing the music information data transmitted / received through the telephone line.

A second invention is the same as the first invention,
The command change-over switch 24 is configured so that the keys and controls of the electronic musical instrument can be used as command input means for transmitting and receiving music information data.

In a third aspect based on the first and second aspects, the external storage means 15 is further connected to the electronic musical instrument body, and the music information data stored in the storage means 3 is stored in the external storage means 15. Is configured to be stored in.

In a fourth aspect based on the first to third aspects, the music information data stored in the external storage means 15 connected to the electronic musical instrument is incorporated into the electronic musical instrument body.

[0017]

According to the present invention, the electronic musical instrument main body is provided with the transmitting / receiving means 6 which is built in or connected to the electronic musical instrument main body so that it can be directly connected to the telephone line 26 without the intervention of a computer to receive the net service such as music information. .

Therefore, the electronic musical instrument of the present invention has the transmitting / receiving means 6 built in the electronic musical instrument body. Alternatively, a jack for connecting the transmitting / receiving means 6 is provided, the transmitting / receiving means 6 is connected through the jack, and the transmitting / receiving means 6 is connected to the telephone line 26.

Further, the operation panel 8 of the electronic musical instrument is provided with a communication selector switch 23 for switching between a music playing function and a network communication function, and the operation of the communication selector switch 23 switches the function of the electronic musical instrument. be able to.

The CPU of the main body of the electronic musical instrument has a function as a control means 1 for controlling communication between the electronic musical instrument and the transmitting / receiving means 6, and controls the transmitting / receiving means 6 through the control means 1.

The transmitting / receiving means 6 has a basic data conversion function, a compression / decompression function, an error correction function, a resend request function, as well as a purpose of use and an electronic musical instrument level.
It has functions such as auto-dial function, transfer destination specification function, automatic line switching function, and simultaneous transmission function.

This enables network communication with a simple structure in which the electronic musical instrument and the telephone set 14 are directly connected by the telephone line 26 without using a computer, and a lot of music information is transmitted and received through such network communication. Is what makes it possible.

A second aspect of the invention is to provide a command changeover switch 24 for changing over the function of a keyboard or an operator to a command input on the operation panel 8 of the electronic musical instrument, and to operate the command changeover switch 24 to operate the keyboard or the operation. The child can be used as a command input key for network communication.

Thus, commands necessary for network access, such as compression of telephone numbers, auto-dial, instructions for compression / decompression of data, etc., can be input by a simple operation of operating the keyboard or operators.

Further, since the number of switches on the operation panel 8 can be limited by this, it is possible to provide an electronic musical instrument which is small in size, low in price and easy to handle.

In the third invention, in addition to the first and second inventions, a connection terminal for connecting to the external storage means 15 is provided in the electronic musical instrument body, and an external input / output changeover switch 25 is provided on the operation panel 8. It is a thing.

As a result, an external storage device such as a floppy disk device, a hard disk device or a magneto-optical disk device can be connected as the external storage means 15.

Further, by operating the external input / output changeover switch 25 on the operation panel 8, the music information is read from the external storage means 15 such as a floppy device or the music information sent through the telephone line 26 is externally stored. It becomes possible to record in the means 15.

As a result, the electronic musical instrument can transmit a large amount of music information and can capture and record the information, thereby further improving the operability.

[0030]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram for explaining the overall structure of the electronic musical instrument of the first invention. Embodiments of the present invention will be described below with reference to the accompanying drawings.

In the figure, 1 is a CPU, and CPU1
Is to control each part of the electronic musical instrument according to a control program stored in each program memory of the ROM (A) 2 and the ROM (B) 3.

The CPU 1 includes a ROM (A) 2 and an RO
The M (B) 3, the RAM 4, the display 5, the keyboard 7, the operation panel 8 and the musical tone generating circuit 9 are connected to each other via the system bus 30.

Further, a modem 6 directly related to the present invention is connected to the CPU 1, and the CPU 1 in the electronic musical instrument controls the modem 6 to control network communication.

Therefore, the control unit 2 provided in the CPU 1
The function of 0 is realized by software, and CP
U1 controls the electronic musical instrument in accordance with the setting states of the switches on the operation panel 8.

The function of the control unit 20 is to control transmission / reception of data between the modem 6 and the electronic musical instrument main body, display control of the display 5, control for command input, and operation of various switches. This is the accompanying control.

Therefore, the program for the control unit 20 to control the network communication is stored in the program memory 21 of the ROM (B) 3.

The ROM (A) 2 is a memory for storing programs and data necessary for playing an electronic musical instrument, and is the same as the ROM provided in a conventional electronic musical instrument. The ROM (A) 2 stores various fixed data used by the CPU 1 in addition to the control program.

That is, a program for controlling the display device 5, a pattern sequence, a program for controlling tone color, volume, rhythm, etc. are stored in the ROM (A) 2.

The ROM (B) 3 is provided with a program memory 21 in which a control program for controlling network communication is stored.

The RAM 4 temporarily stores music information data, an area for storing device status information, and a C memory.
The work area of PU1, various registers and flags for controlling the electronic musical instrument are defined.

This RAM for network communication
The function 4 is, for example, a data storage unit 27 for temporarily storing transmitted / received data, a work area for compression / decompression, error check, etc., and a data storage area for automatic dialing, time zone designation communication, etc. Etc. are provided.

The display device 5 is, for example, an LCD or a segment L.
The ED is configured to display alphanumeric characters, kana, and symbols, and is used to display various states and messages of the device.

In the case of network communication, for example, the input telephone number and command of the communication partner, the next operation procedure, etc. are displayed. The display of the display 5 is controlled by a signal sent from the CPU 1.

The modem 6 as transmitting / receiving means is a modulator that modulates data from the other party's device, data in an external storage device, or data in the electronic musical instrument so that the data can be communicated through the telephone line 26. The modem 6 controls transmission / reception of input / output data via the telephone line 26.

The modem 6 has the above-mentioned modulation function,
In addition to basic functions such as compression / decompression function, automatic error correction function, resend request function, etc., auto dial function, time zone specification function, transfer destination specification function, automatic line switching function according to the level and purpose of use of the electronic musical instrument It is sufficient to select and equip necessary functions such as the simultaneous transmission function.

The keyboard 7 includes a plurality of keys, a key switch that opens and closes in conjunction with key pressing / release operations of these keys, and a key scan circuit that detects the open / closed state of these key switches. The signal indicating the key-depression / key-release state detected by the key scan circuit of the keyboard 7 is sent to the system bus 3
It is adapted to be sent to the CPU 1 via 0.

The operation panel 8 is provided with various switches for controlling the electronic musical instrument, the display 5 and the like. Further, the operation panel 8 includes a panel scan circuit for detecting ON / OFF of various switches.

A panel scan signal sent from a panel scan circuit (not shown) is supplied from the CPU 1 to the operation panel 8.
Outputs the panel scan data indicating the setting state of the switch to the CPU 1 in response to the panel scan signal.

This panel scan data at the time of network communication is temporarily stored in a predetermined area of the RAM 4 by the CPU 1 and used as control data of the CPU 1 at the time of network communication.

The above-mentioned various switches include, in addition to switches such as a tone color selection switch, a rhythm selection switch, and a volume control switch, which are generally provided in electronic musical instruments.
A communication selector switch 23 for switching between music playing and network communication functions is provided.

The tone generation circuit 9 stores tone waveform data and envelope data corresponding to the tone color designated by the control data output from the keyboard 7 or the CPU 1 in the waveform memory 10.
The musical tone waveform data is read out from the device and an envelope is added to the read musical tone waveform data to output it as a musical tone signal. The tone signal output by the tone generating circuit 9 is a D / A converter 11
Is supplied to.

The waveform memory 10 stores musical tone waveform data and envelope data corresponding to various tone colors and tone ranges. The tone waveform memory 10 is accessed by the tone generating circuit 9.

The D / A converter 11 converts the input digital musical tone signal into an analog musical tone signal. The analog tone signal converted by the D / A converter 11 is
It is supplied to the amplifier 12.

The amplifier 12 amplifies the musical tone signal supplied from the musical tone generating circuit 9 with a predetermined gain and supplies it to the speaker 13.

The speaker 13 converts the inputted analog musical tone signal as an electric signal into an acoustic signal. That is, the musical tone is emitted according to the generated musical tone signal. The speaker 13 emits a musical sound corresponding to the pressing of a key on the keyboard 7.

The telephone set 14 is a well-known one which dials or talks with the other party in network communication.

Next, with reference to FIG. 2, the relationship between the connection between the telephone line 26 and the modem 6, the electronic musical instrument, and the external storage device 15 and the operation will be described.

As shown in the figure, the telephone line 26 is a modem 6
The modem 6 controls transmission / reception through the telephone line 26, and error check and resend request associated therewith. A telephone 14 and an electronic musical instrument are connected to the modem 6.

In such a structure, by depressing the communication selector switch 23 of the electronic musical instrument, the performance mode is switched to the network communication mode. And
In network communication, first, the telephone 14 is dialed to form a communication circuit with a communication destination, and required communication with the other party is performed.

Subsequently, the connection of the telephone line 26 is switched to the electronic musical instrument, and the electronic musical instrument transmits and receives music information data. It goes without saying that the connection can be switched to the telephone set 14 as necessary during this time so that the telephone set 14 can communicate with the other party. The control of data transmission / reception between the electronic musical instrument and the modem 6 is performed by the control unit 20 of the CPU 1 of the electronic musical instrument.

As described above, according to the present invention, it is possible to perform network communication of music information with a simple structure for connecting an electronic musical instrument to a telephone line.

In the present embodiment, the description is given assuming that the modem 6 performs data compression / decompression, error check, resend request, etc., but these functions may be configured to be performed by the CPU 1.

Further, the modem 6 may have a built-in memory so that it can be received even when the power source of the electronic musical instrument main body is turned off.

Next, the second invention will be described with reference to FIG. Note that the description overlapping with the above-described first invention has already been described, and thus the description thereof will be omitted.

In addition to the above first invention, a second invention is,
A command selector switch 24 is provided on the operation panel 8, and the keyboard 7 is operated by operating the command selector switch 24.
It is also possible to switch the function of the upper key and each operator on the operation panel 8 to the command input means.

For this reason, in the second aspect of the invention, the command changeover switch 24 is provided on the operation panel 8 of the electronic musical instrument to switch the function of the keys on the keyboard or the operator to the command input function. In addition, the control unit 20 of the CPU 1 is provided with a function for controlling keys on the keyboard 7 and operators as command input means.

Furthermore, a program for controlling keys on the keyboard 7 or operators as command input means is added to the program in the program memory 21 of the ROM (B) 3.

Then, a switching data table 22 is newly provided, and the switching data table 22 stores command conversion data to be referred to when using a key or an operator as command input means.

As a result, it is not necessary to additionally provide command force means for network communication on the operation panel 8, and it is possible to provide a compact and easy-to-use electronic musical instrument.

Next, the third and fourth inventions will be described with reference to FIG. The description of the same parts as those of the first and second inventions will be omitted.

In addition to the first and second aspects of the invention, the third aspect of the invention provides a connection terminal to the external storage device 15 in the main body of the electronic musical instrument, and transmits to the connected external storage device 15 from the external device. It stores the music information sent to the electronic musical instrument body.

In addition to the first and second inventions, a fourth invention is that the music information stored in the external storage device 15 connected to the external storage device 15 is provided in the main body of the electronic musical instrument. Is configured to be incorporated into the body of the electronic musical instrument.

The external storage device 15 is composed of, for example, a floppy disk device, a hard disk device, a magneto-optical disk device, a CD-ROM, a laser disk device, or the like, and selects desired information arbitrarily and transmits / receives it to / from the electronic musical instrument body. Configured to be able to.

Therefore, in the present invention, the external input / output changeover switch 25 is provided on the operation panel 8, and when the external input / output changeover switch 25 is turned on, the external storage device 1 is provided.
It is possible to read and write music information from the electronic musical instrument main body 5 to the electronic musical instrument main body, and to transmit music information from the electronic musical instrument main body to the external storage device 15.

Further, the control unit 20 of the CPU 1 is provided with a function for controlling transmission / reception with the external storage device 15. Further, a program for controlling transmission / reception with the external storage device 15 is added to the program in the program memory 21 of the ROM (B) 3.

Then, the external storage device 15 is stored in the RAM 4.
A data storage unit 27 for temporarily storing the data read from is provided, and the data stored in the data storage unit 27 is controlled by the control unit 20 at a predetermined read timing.
Read out under the control of, is sent to the modem 6, and is transmitted through the telephone line.

On the other hand, in the case of reception, the data received by the modem 6 is sent to the electronic musical instrument under the control of the control unit 20 of the CPU 1, temporarily stored in the data storage unit 27 of the RAM 4, and written in the external storage device 15. At the timing of, the data is sequentially read from the data storage unit 27 and written.

As described above, by connecting the external storage device 15 to the main body of the electronic musical instrument, a larger amount of music information can be transmitted and received through the network communication, and the operability of the electronic musical instrument is further improved.

The control program stored in the ROM (A) 2 or the ROM (B) 3 is stored in the external storage device 15
Alternatively, the electronic musical instrument may be controlled by the program stored in the RAM 4 and read out on the RAM 4 as needed.

Although the present embodiment has been described by taking the case where the modem 6 is built in the electronic musical instrument as an example, it goes without saying that the modem may be configured to be connectable.

[0081]

As described above in detail, according to the present invention, a simple structure in which an electronic musical instrument is connected to a telephone line allows music information to be transmitted and received through a network line, is small in size, is inexpensive, and is easy to operate. An electronic musical instrument can be provided.

Further, according to the present invention, even a beginner can perform network communication of music information, and a wide range of users can exchange a large amount of music information.

[Brief description of drawings]

FIG. 1 is a schematic block diagram for explaining a first embodiment according to the present invention.

FIG. 2 is a diagram for explaining a connection relationship with another device of the electronic musical instrument according to the present invention.

FIG. 3 is a schematic block diagram for explaining a second embodiment according to the present invention.

FIG. 4 is a schematic block diagram for explaining third and fourth embodiments according to the present invention.

[Explanation of symbols]

 1 CPU (control means) 2 ROM (A) 3 ROM (B) (storage means) 4 RAM (storage means) 5 Display 6 Modem (transmission / reception means) 7 Keyboard 8 Operation panel 9 Musical sound generation circuit 10 Waveform memory 11 D / A converter 12 Amplifier 13 Speaker 14 Telephone 15 External storage device (external storage means) 20 Control unit 21 Program memory 22 Change data table 23 Communication changeover switch 24 Command changeover switch 25 External input / output changeover switch 26 Telephone line 27 Data storage unit

Claims (4)

[Claims] 1. An electronic musical instrument capable of network communication of music information data via a telephone line, wherein the electronic musical instrument body has control means for controlling transmission / reception of music information data, and the music information data according to the control of the control means. An electronic musical instrument capable of network communication, comprising: a transmitting / receiving unit for transmitting / receiving, and a storage unit for storing music information data transmitted / received through the telephone line. 2. The electronic musical instrument capable of network communication according to claim 1, wherein the electronic musical instrument can use a key or an operator of the electronic musical instrument as command input means for transmitting and receiving music information data. . 3. The electronic musical instrument further comprises external storage means connected to the electronic musical instrument body, and the music information data stored in the storage means is stored in the external storage means. An electronic musical instrument capable of network communication according to 2. 4. The electronic musical instrument capable of network communication according to claim 1, wherein the music information data stored in the external storage means connected to the electronic musical instrument is taken into the electronic musical instrument body.