JPH08110780A - Electronic musical instrument capable of voice outputting of automatic accompaniment information - Google Patents

Abstract

PURPOSE: To allow a player to concentrate on a rendition without concentrating on an indicator by outputting the automatic accompaniment information such as the code proceeding during an automatic accompaniment from a monitor speaker or a headphone as voice information. CONSTITUTION: An electronic musical instrument main body is provided with circuits and terminals for connecting a monitor speaker 41 and a headphone 42, the monitor speaker 41 or the headphone 42 is connected to the terminal, and the automatic accompaniment information such as the code proceeding during an automatic accompaniment can be outputted from the monitor speaker 41 or the headphone 42 as voice information. A player can hear the automatic accompaniment information from the monitor speaker 41 or the headphone 42 via W before the next phrase rendition is started. The automatic accompaniment information such as the code proceeding during the automatic accompaniment can be concurrently displayed on a visual indicator 5. When a monitor selector switch 43 is turned on, the sound information such as the code proceeding is transmitted from the monitor speaker 41 or the headphone 42.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention connects an electronic musical instrument having an automatic accompaniment function with a monitor speaker or headphones to transmit automatic accompaniment information such as chord progression during automatic accompaniment to the monitor speaker or headphones. Regarding electronic musical instruments that can be played.

[0002]

2. Description of the Related Art Conventionally, in an electronic musical instrument having a built-in pattern sequence (backing), automatic accompaniment information such as chord progression is transmitted to a performer by displaying the liquid crystal LCD or segment LEDs. It was

However, the display of the conventional electronic musical instrument is very small and compact as shown in the external view of FIG. 4, and the characters and the like displayed on the display are very small.

In order to grasp the automatic accompaniment information such as the chord progression during the performance, the performer needs to pay close attention to the small characters and the like displayed on the display unit, which requires a great deal of effort. It was also inconvenient for a performer with weak eyesight.

For example, when playing a musical piece involving a fast-moving motion such as a rock, the displayed characters such as chord progressions of the automatic accompaniment may be too small and may be missed or overlooked. There has been a demand for improvement in the method of transmitting automatic accompaniment information such as chord progression.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides an electronic musical instrument capable of outputting automatic accompaniment information such as chord progression of an automatic accompaniment as audio information from a monitor speaker or headphones. The purpose is to do.

[0007]

SUMMARY OF THE INVENTION The present invention is an electronic musical instrument having an automatic accompaniment function, wherein the audio converting means 21 converts the automatic accompaniment information into audio information, and the audio converting means 21 converts the automatic accompaniment information into audio. Audio information storage means 25 for storing audio information to be referred to in order to convert into information, audio waveform storage means 10 for storing an audio waveform read out based on the audio information read from the audio information storage means 25, and A transmission control means 22 for controlling the transmission of the voice waveform read from the voice waveform storage means 10 to the monitor speaker 41 or the headphones 42, and the automatic accompaniment information sent by the transmission control means 22 to the monitor speaker 41 or the headphones 42. And a transmission line 45 for transmission.

Further, according to the present invention, the display 5 for visually displaying the automatic accompaniment information and the monitor speaker 41 or the headphones 42 for transmitting the automatic accompaniment information by voice are displayed or transmitted, or the display 5 or It is characterized in that the performer can arbitrarily select the display or transmission on the monitor speaker 41 or the headphones 42.

Further, according to the present invention, the performer determines whether the audio information transmitted to the headphones is automatic accompaniment information (chord information such as chord progression) and automatic accompaniment (music performance) or only automatic accompaniment information. Is characterized by being arbitrarily selectable.

[0010]

The present invention is based on the electronic musical instrument body and the monitor speaker 4.
1 and headphones 42 are connected by a transmission line 45, and automatic accompaniment information such as chord progression during automatic accompaniment can be transmitted by voice through the monitor speaker 41 and headphones 42.

As a result, for example, while playing on a backing machine for guitar users, the performer listens to the automatic accompaniment information such as chord progressions by voice from the monitor speaker 41 or the headphones 42 before the next phrase performance starts. Therefore, it is possible to concentrate on the performance without having to concentrate the line of sight on the display.

As described above, the performer does not need to pay attention to small characters displayed on the display during the performance, and the chord progression can be confirmed by voice through the monitor speaker 41 and the headphones 42. It becomes easy to confirm the automatic accompaniment information when playing hard.

For example, when practicing a performance in a group, the monitor speaker 41 is used to check the automatic accompaniment information such as chord progressions, and when practicing individually, during the performance. When the user does not want to output sound to the outside, the headphones 42 are used, and the monitor speaker 41 and the headphones 42 can be used properly depending on the performance mode.

Further, according to the present invention, the code information can be displayed and transmitted on both the display and the monitor speaker 41 or the headphones 42, and the performer can freely select the output destination.

Further, according to the present invention, the performer can freely select whether the voice information transmitted from the headphones 42 is chord information only or chord information and automatic accompaniment (playing music). It is possible to provide an electronic musical instrument with excellent operability.

Further, according to the present invention, in pattern making (editing), automatic accompaniment information input using, for example, a keyboard can also be output as voice, and during performance, the automatic accompaniment information can be synchronized with the progress of the music. Since it is transmitted by voice, an easy-to-use electronic musical instrument can be provided.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an external view illustrating a configuration of an embodiment of the present invention and a connection relationship between an electronic musical instrument body, a monitor speaker 41, and headphones 42.

As shown in the figure, the electronic musical instrument according to this embodiment is provided with a circuit and a terminal for connecting the monitor speaker 41 and the headphone 42 to the main body of the electronic musical instrument, and the monitor speaker 41 or the headphone 42 is connected to the terminal for automatic Automatic accompaniment information such as chord progression during accompaniment can be output as audio information from the monitor speaker 41 or the headphones 42.

Further, the electronic musical instrument according to the present embodiment can simultaneously display the automatic accompaniment information such as the chord progression during the automatic accompaniment on the visual display 5.

In this case, by turning on the monitor changeover switch 43, voice information such as chord progression is transmitted from the monitor speaker 41 or the headphones 42.

For example, when a back band is played by an electronic musical instrument for a guitar and the player tries to play a portion of the guitar performance, the player plays the instrument body and the monitor speaker 4.
1 or headphone 42 is connected by an audio terminal, monitor changeover switch 43 is turned on, and the start button for automatic performance is pressed.

As a result, when the performance is started, it becomes possible to hear the automatic accompaniment information such as the chord progression during the automatic accompaniment from the monitor speaker 41 or the headphones 42.

When the monitor changeover switch 43 is turned off, automatic accompaniment information such as chord progression is displayed on the display 5 and transmitted as audio information from the monitor speaker 41 or the headphones 42.

With such a configuration, automatic accompaniment information such as chord progression can be audibly recognized as audio information from the monitor speaker 41 or the headphones 42, and can be visually recognized by the display 5. Further, the performer can arbitrarily select whether to recognize the automatic accompaniment information such as chord progression by hearing or visual recognition.

Further, the electronic musical instrument according to the present embodiment can hear the automatic accompaniment (playing music) from the headphones 42 together with the automatic accompaniment information such as the chord progression during the automatic accompaniment.

In this case, by turning on the information changeover switch 44, only the automatic accompaniment information such as the chord progression is transmitted from the headphones 42.

When the information changeover switch 44 is turned off, the automatic accompaniment information such as chord progression and the automatic accompaniment (play music) are transmitted from the headphones 42 as voice information.

FIG. 2 is a block diagram for explaining the overall configuration of the electronic musical instrument showing the embodiment of the present invention. Hereinafter, the configuration of the present exemplary embodiment will be described in detail with reference to the drawings.

In the figure, reference numeral 1 is a CPU, and the CPU 1 controls each part of the electronic musical instrument in accordance with a control program stored in a program memory 23 of a ROM (A) 2.

In addition to the ROM (A) 2, the CPU 1 has
The ROM (B) 3, the RAM 4, the display 5, the keyboard 6, the operation panel 7, and the tone generation circuit 8 are connected via the system bus 30.

In addition, the main body of the electronic musical instrument is provided with connection terminals for the monitor speaker 41 and the headphones 42 directly related to the present invention.

The voice conversion unit 21 provided in the CPU 1 is realized by software, and the automatic accompaniment information such as the chord progression generated by the electronic musical instrument is stored in the ROM.
(B) With reference to the voice information table 25 stored in 3, a voice waveform address or waveform number is converted.

Then, the voice converting section 21 reads the voice waveform from the voice waveform memory 10 based on the determined voice waveform address or waveform number, and sends it to the tone generating circuit 8.

The transmission control unit 22 provided in the CPU 1 is realized by software, and controls the transmission of the voice information generated by the voice conversion unit 21 to the monitor speaker 41 or the headphones 42.

The CPU 1 of the electronic musical instrument is used for controlling conversion of automatic accompaniment information into audio information and transmission of audio signals to the monitor speaker 41 and the headphones 42.

The ROM (A) 2 has the same structure as the ROM of the conventional electronic musical instrument and stores a control program for controlling the electronic musical instrument. In addition, this ROM (A) 2
In addition to the control program, various fixed data used by the CPU 1 are stored in the. This ROM (A) 2
Are accessed by the CPU 1 via the system bus 30.

The voice information memory 25 of the ROM (B) 3 stores voice information referred to when the voice converting section 21 converts the automatic accompaniment information into voice. That is, the voice conversion unit 21 is based on the automatic accompaniment information generated by the electronic musical instrument,
The voice information memory 25 is referenced to determine the address or waveform number of the voice waveform read from the voice waveform memory 10.

The determined voice waveform is sent to the tone generation circuit 8 by the CPU 1 and the waveform is read out.

The program or pattern sequence for controlling the monitor speaker 41 and the headphones 42 is the R
It is stored in OM (B) 3.

The RAM 4 temporarily stores performance data, device status information, and the CPU 1
Work area, various registers and flags for controlling the electronic musical instrument are defined.

The display 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 this embodiment, the contents of automatic accompaniment such as chord progression may be displayed on the display unit 5. The display of the display 5 is controlled by the information sent from the CPU 1.

The keyboard 6 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 pressing / key releasing state detected by the key scan circuit of the keyboard 6 is sent to the system bus 3
It is adapted to be sent to the CPU 1 via 0.

The operation panel 7 is provided with various switches for controlling the electronic musical instrument, a display 5 and the like. Further, the operation panel 7 includes a panel scan circuit for detecting ON / OFF of various switches.

A panel scan signal (not shown) is supplied from the CPU 1 to the operation panel 7, and the operation panel 7 outputs panel scan data indicating the setting state of the switch in response to the panel scan signal. To do. This panel scan data is read by the CPU 1 as R
It is temporarily stored in a predetermined area of AM4.

Among the various switches, there are 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.

In addition to the above switches, the operation panel 7 has a monitor changeover switch 43 for changing the audio output to the monitor speaker 41 and headphones 42, and an automatic accompaniment such as chord progression for information transmitted to the headphones 42. An information changeover switch 44 and the like for selecting whether only information is transmitted or automatic accompaniment (play music) is also transmitted is provided.

It is needless to say that the present invention does not transmit the automatic accompaniment information to the monitor speaker 41 or the headphones 42 but displays it only on the display device 5 to perform the same function as the conventional electronic musical instrument.

The tone generation circuit 8 reads the tone waveform data and envelope data corresponding to the tone color designated by the control data output from the keyboard 6 or the CPU 1 from the waveform memory 9 and adds the envelope to the read tone waveform data. Is output as a musical tone signal. The tone signal output by the tone generating circuit 8 is supplied to the D / A converter 11.

The voice output from the monitor speaker 41 and the headphones 42 receives voice information (address or waveform number) from the CPU 1, and the tone generation circuit 8 reads voice waveform data from the voice waveform memory 10, Generate an audio signal.

The waveform memory 9 stores musical tone waveform data and envelope data corresponding to various tone colors and tone ranges. The waveform memory 9 is accessed by the tone generation circuit 8.

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 8 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 6, and also an accompaniment in a designated manner.

Monitor speaker 41 and headphones 42
Is for outputting, by voice, automatic accompaniment information such as chord progressions sent from an electronic musical instrument. In this embodiment, the same content as that displayed on the display 5 is output from the monitor speaker 41 or the headphones 42. It

In this structure, the monitor speaker 4
1 and the preparation for outputting the automatic accompaniment information to the headphones 42,
Before the performance starts, the performer connects the monitor speaker 41 and the headphones 42 with the transmission line 45 as illustrated in FIG.
This is performed by connecting it to the monitor speaker 41 or the headphone 42 jack of the main body of the electronic musical instrument.

The voice output of the automatic accompaniment information to the monitor speaker 41 and the headphones 42 is performed by the player turning on the monitor changeover switch 43 on the operation panel 7.
A signal relating to automatic accompaniment such as chord progression sent from the electronic musical instrument main body is sequentially converted into audio information by the audio conversion unit 21 of the CPU 1 and temporarily stored in a predetermined area of the RAM 4.

Then, when the predetermined display timing comes,
Under the control of the transmission control unit 22 of the CPU 1, the audio information stored in a predetermined area of the RAM 4 is read out, converted into an audio signal by the musical tone generating circuit 8, and sent to the monitor speaker 41 and the headphones 42 for output. To be done.

The information output to the monitor speaker 41 and the headphones 42 is, for example, automatic accompaniment information such as A _m → B ₇ → C, which is sequentially output in accordance with the progress of the automatic accompaniment. While playing. This makes playing very easy and provides an easy-to-use electronic musical instrument.

Next, with reference to the flow chart of FIG. 3, the data read and voice output operations of this embodiment will be described by taking the case of chord progression data as an example.

When the performance is started, data is read out first (step S1). That is, when the data read timing comes, the performance data is read from the performance data address stored in the RAM 4.

Then, it is checked whether or not the read performance data is chord data (step S2).
If the read performance data is chord data, the chord data is sent to the display unit 5 for chord display ((step S
3).

Then, the chord name is pronounced (step S4). That is, the voice conversion unit 21 of the CPU 1 compares the data with the data of the voice information unit 25 on the RAM 4 to determine the address or waveform number of the waveform read from the voice waveform memory 10.

Next, the voice waveform is read from the voice waveform memory 10 based on the determined waveform address or waveform number, and the transmission control unit 22 of the CPU 1 sends the data to the monitor speaker 41 or the headphones 42 to emit a sound.

On the other hand, if the performance data read out in step S2 is not code data, it is not necessary to output a voice, so the data is sent to the tone generation circuit 8 to generate a performance sound and to emit the sound (step). S5).

[0066]

As described above, according to the present invention, the performer does not need to pay attention to the chord progression information or the like which is displayed in a small size on the display of the electronic musical instrument main body during the performance, and the player can listen to the information from the monitor speaker or headphones. Since you can play while listening to audio information such as chord progression information, you can concentrate on your performance.

[Brief description of drawings]

FIG. 1 is an external view illustrating the configuration and connection relationship of an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of an electronic musical instrument according to an embodiment of the present invention.

FIG. 3 is a flowchart illustrating a data reading operation of this embodiment.

FIG. 4 is a diagram illustrating a display unit of a conventional electronic musical instrument.

[Explanation of symbols]

 1 CPU 2 ROM (A) 3 RAM (B) 4 RAM 5 Display 6 Keyboard 7 Operation panel 8 Musical tone generating circuit 9 Waveform memory 10 Voice waveform memory (voice waveform storage means) 11 D / A converter 12 Amplifier 13 Speaker 21 Voice conversion unit (voice conversion unit) 22 Transmission control unit (transmission control unit) 23 Program memory 24 Pattern data memory 25 Voice information memory (voice information storage unit) 41 Monitor speaker 42 Headphones 43 Monitor changeover switch 44 Information changeover switch 45 Transmission line

Claims (3)

[Claims] 1. An electronic musical instrument having an automatic accompaniment function, comprising audio conversion means for converting automatic accompaniment information into audio information, and audio information referred to by the audio conversion means when converting automatic accompaniment information into audio information. And a voice waveform storage unit for storing a voice waveform to be read based on the voice information read from the voice information storage unit, and a voice waveform read from the voice waveform storage unit. Audio output of automatic accompaniment information, characterized by having a transmission control means for controlling transmission to a monitor speaker or headphones, and a transmission line for transmitting the automatic accompaniment information sent by the transmission control means to a monitor speaker or headphones. Electronic musical instrument. 2. The display or transmission to the display device for visually displaying the automatic accompaniment information and / or the monitor speaker or headphones for transmitting the automatic accompaniment information by voice can be arbitrarily selected. An electronic musical instrument capable of voice output of the described automatic accompaniment information. 3. The electronic musical instrument according to claim 1, wherein the audio information transmitted to the headphones can be arbitrarily selected to be automatic accompaniment information and / or automatic accompaniment information.