JPS63304296A - Musical sound generator - 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] [Industrial Application Field] The present invention produces musical tones with a three-dimensional effect by emitting musical tones from a plurality of sounding means such as speakers arranged spatially apart. The present invention relates to a musical tone generator.

[Prior art]

In the prior art, for example, as shown in Japanese Utility Model Application Publication No. 18123/1983, a musical tone signal that is instructed to be generated by pressing a key on a keyboard is directly guided to a first speaker, and the musical tone signal is passed through an effect adding circuit. A musical tone to which no effect is applied and a musical tone to which an effect has been added are simultaneously produced from the first and second speakers so as to be guided to the second speaker through the speaker. There are some that are designed to produce musical sounds.

[Problem that the invention seeks to solve]

However, in the above conventional device, the first and w42
The speakers start producing both musical tones at the same time, and the level ratio of both musical tones is kept constant from the start of the production to the end of the production. In the first place, when listening to musical instrument sounds in various sound fields, such as halls, the human ear first hears g! The direct sound from the instrument is incident, and then the direct sound and the instrument sound reflected in various ways from other objects such as surrounding walls are incident, so humans hear the direct sound from the instrument as soon as the instrument begins to sound. After that, with a slight delay, the user hears a variety of sounds that are a mixture of the direct sound and reflected sounds from the surroundings as musical instrument sounds. Therefore, in the above conventional device in which the first and second speakers start producing musical tones at the same time and the level ratio of both musical tones is kept constant, it is difficult to listen to musical instrument sounds in the various sound fields. There was a problem in that the conventional apparatus described above could not achieve a natural three-dimensional effect.

The present invention has been devised in view of the above-mentioned problems, and its object is to provide a musical tone generating device that produces musical tones with a natural-looking three-dimensional effect.

[Means for solving problems]

In order to solve the above problems and achieve the purpose of the present invention, t
The structural features of the invention of 1%1 include a musical tone signal generating means for generating a musical tone signal, a plurality of sound generating means for generating musical tones corresponding to the musical tone signal from the musical tone signal generating means, and a method for starting generation of musical tone signals. A control signal generating means for generating a control signal having a different signal value immediately after and after that, and supplied from the control signal generating means! The present invention further comprises level control means for controlling the level of musical tones produced by at least one of the plurality of sound generation means in accordance with the Q sub signal value.

Further, a structural feature of the second invention is that, in addition to the structure of the first invention, variable control means for variably controlling the change characteristics of the control signal generated by the control signal generation means is provided. be.

[Action of the invention]

In the ml invention configured as described above, the control signal generating means generates a control signal having a different signal value immediately after the start of generation of musical tone signals and after that, and the level control means responds to the signal value of the control signal. Since the level of the musical tone generated from the musical tone signal generating means by at least one of the plurality of generating means is controlled, the musical tone is generated only from a certain specific generating means immediately after the generation of the musical tone signal starts. After that, after a slight delay, the other sounding means or the specific sounding means and the other sounding means 9! Be able to pronounce sounds.

Further, according to the second invention, since the variable control means variably controls the change characteristics of the control signal generated from the control signal generation means, the musical tones produced with a slight delay as described above can be produced. Changes in the level of musical tones, etc. at the start and after the start of sound generation are variably controlled.

〔Effect of the invention〕

As can be understood from the above description of the operation, according to the first aspect of the invention, musical tones are produced only from a certain specific sounding means immediately after the musical sound signal starts to be generated, and then, after a slight delay, from other sounding means or Since musical tones can be emitted from the specific sounding means as well as other sounding means, it is possible to better imitate the case of listening to musical instrument sounds in the various sound fields described above, and to obtain natural-looking musical sounds. Further, since the musical tones are produced by different sounding means at the beginning of the sound generation and thereafter, a musical sound with a sense of spatial spaciousness can be obtained.

On the other hand, according to the second aspect of the present invention, since the variable control means variably controls the level changes of the musical tones that are generated with a slight delay and after the musical tones have started to be generated, the 'IR' in various sound fields can be adjusted. It is possible to imitate the state of listening to instrumental sounds, change the way the musical sounds are spread, and obtain a rich three-dimensional effect.

〔Example〕

a. WS1 Example Below, the first example of the present invention will be explained using the drawings.
Figure 1 shows an electronic IR to which the musical tone generator according to the present invention is applied.
The device is shown in a block diagram.

This electronic musical instrument is a pronunciation instruction device W11 that instructs the pronunciation of musical tones.
The 0 sounding instruction device 10 equipped with 0 is a Ken switch circuit 1.
1, a single note priority circuit 12, a note clock generator 13, and a differentiator 14. 11! The switch circuit 11 is a keyboard (
It is composed of a plurality of key switches that respectively correspond to a plurality of halls (not shown) and open and close according to the press and release of six keys,
The six keys pressed on the keyboard are detected by opening and closing each key switch, and the detection signal is output to the single note priority circuit 12. The single note priority circuit 12 generates a key press detection signal related to a single key among the keys pressed on the keyboard according to a predetermined priority order (for example, lowest note priority, highest note priority, first come first served, last first served priority, etc.). is selected, and a key code KC representing the key is supplied to the 7-clock clock generator n13. Note clock generator 13
outputs a note clock signal φN proportional to the pitch frequency of each key based on the key code KC. The differentiating circuit 14 is connected to the output of the OR circuit OR1 which inputs all the bit signals constituting the key code KC and detects the key press timing on the keyboard, and differentiates the key-on signal KON representing the key press from the OFF circuit OR1. As a result, a key-on pulse signal KONP is output, which indicates when a key is pressed, that is, when a musical tone starts to sound.

A musical tone signal generating device fi20 is connected to this sound generation instruction device 10, and the musical tone signal generating device W120 is connected to a musical sound signal generating device fi20.
, an address signal generation circuit 22, an envelope waveform generation circuit 23, and a multiplier 24. The musical sound waveform memory 21 stores a plurality of waveform data representing a musical sound waveform, and stores, for example, all waveform data of the attack portion of a musical sound and waveform data for one cycle or a plurality of cycles of the subsequent musical sound. The address signal generation circuit 22 includes the differentiating circuit 1
4 starts counting the note clock signal φN from the note clock generator 13 in response to the key-on pulse signal KONP from the note clock generator 13, and generates an address signal corresponding to the counting operation and controlling reading of the musical waveform memory 21. In this case, after reading out all the waveform data of the attack section in the musical waveform memory 21, the 7-dress address is used to repeatedly read out the waveform data for the - period or a plurality of periods in the same memory 21. Output a signal. Further, the address signal generation circuit 22 outputs an attack end signal AF at the time when the readout control of all waveform data of the attack section ends. The envelope waveform generating circuit 23 responds to the key-on pulse signal KONP from the differentiating circuit 14 and outputs envelope waveform data representing an envelope waveform as shown by the solid line in FIG. Note that this envelope waveform data is for the case where an envelope has not been added to the waveform data of the attack section stored in the musical waveform memory 21, and when an envelope has already been added to the same waveform data, , envelope waveform data representing an envelope waveform as shown by the broken line in FIG. 2 is output from the envelope waveform generation circuit 23. When the envelope waveform generation circuit 23 forms envelope waveform data representing an envelope waveform as shown by the broken line in FIG. 2, an attack from the address signal generation circuit 22 is generated as shown by the broken line in FIG. The end signal AF can be used to generate the waveform data from the musical waveform memory 21 and the envelope waveform generation circuit 23.
MW to generate musical sound waveform data TD1 representing a musical sound signal to which an envelope has been added.
Output. Note that the musical tone signal generator W12 as described above
The details of 0 are shown in Japanese Unexamined Patent Publication No. 59-49597, and the circuits 21 to 24 in the device 20 can be used as shown in the same publication.

The waveform data from this musical tone signal generator 20 is D/Al
l! : It is designed to be supplied to the exchange 1jJ31a.

The D/A converter 31a converts the waveform data into an analog signal and outputs it. The output of the D/A converter 31a is connected to a speaker 33a via an amplifier 32a, and the speaker 33a produces musical tones corresponding to the analog signal. Further, the waveform data from the musical tone signal generator 20 is also supplied to the multiplier 34.
is the control signal generator 5!40 for the musical waveform data TDI.
, and outputs tone waveform data TD2 corresponding to the multiplication result.

The control signal generator fi40 has a 7-lip 70-tub circuit 41,
It is composed of a clock generator 42, an address counter 43, and a control waveform memory 44.

The 7-rip, 70-tube circuit 41 is of the R-3 type, and its set terminal S receives the key-on pulse signal K from the differentiator circuit 41.
ONP is supplied, and the reset terminal R receives the attack end signal AF from the address signal generation circuit 22.
is supplied. Output Q of 7 lip 70 tube circuit 41
is connected to one input of the AND circuit AN1. The clock generator 42 outputs a clock signal φ of a constant frequency, and its output is connected to the other input of the AND circuit ANI. Address counter 43 is differential circuit 1
The AND circuit A from the clock generator 42 is reset by the key-on pulse signal KONP from the clock generator 42.
It counts the clock signal φ supplied via N2 and outputs the count value to the control waveform memory 44. The control waveform memory 44 is composed of a ROM or the like and stores control data CD having characteristics as shown by the solid line in FIG.
Control data CD having a value that changes linearly as the count value of the address counter 43 increases is outputted to the end fE unit 34. Note that in this embodiment, the control waveform memory 4
4 stores the control data CD with the characteristic shown by the solid line in the fjS3 diagram, but the control data CD with the characteristic that changes in a curve according to the count value as shown by the broken line in FIG. The control waveform memory 44 may store control data CD having characteristics that change in a polygonal line according to the count value as shown by a one-point polygonal line.

The output of the transducer 34 is connected to a D/A converter 31b, which converts the digital data from the transducer 34 into an analog signal and outputs it to the phase modulator ra50.

The phase modulation device 50 includes a phase modulation circuit 51 and a phase inverter 52
The 0 phase modulation circuit 51, which is composed of adders 53 and 54, is composed of a BBD, a low frequency oscillator, etc.
/0 which phase modulates the signal from the A converter 31b and outputs it.
The phase inverter 52 inverts the phase of the signal from the phase modulation circuit 51 (shifts the phase by π) and outputs it. Canada fln
53 adds the signal from the D/A converter 31b and the signal from the phase inverter 53 which modulates the phase of the same signal and inverts the phase, and outputs the result. Adder 3, 1i 54 adds the signal from the D/A converter 31b and the signal from the phase modulation circuit 51 which phase-modulated the same signal and outputs the result.

The outputs of these adders 53 and 54 are respectively connected to amplifiers 32b and 32b.
It is connected to speakers 33b and 33c via 32c, and the speakers 33b and 33c produce musical tones corresponding to the supplied signals. Moreover, these speakers 33b,
33c and the above-mentioned speaker 33a, as shown in FIG.
are arranged spaced apart from each other on the left and right sides, and generate musical tones corresponding to musical tone signals from the musical tone main body MS which incorporates each of the above-mentioned circuits. Note that if the musical instrument main body MS has a built-in speaker 33d, the speaker 33d can also be used in place of the speaker 33a.

Next, the operation of the first embodiment configured as described above will be explained. When any key is pressed on the keyboard, the musical tone indicator [
The gender switch circuit 11 in the 0 detects the pressed key and outputs a detection signal representing the pressed key to the single note priority circuit 12. When a single note priority circuit 12 presses a single note on the keyboard, a key code KC related to the note is generated by a clock generator 13.
When multiple keys are pressed at the same time on the keyboard, a single key is selected from among the keys being pressed based on predetermined conditions, and a key code KC related to the selected key is output. is output to the 7-clock clock generator 13. The note clock generator 13 outputs a note clock signal φN corresponding to the pitch frequency of the pressed key based on the supplied key code KC. On the other hand, the OR circuit ORI inputting the key food KC
is the key-on signal KO which becomes high level at the same time as the key is pressed.
N is output to a differentiating circuit 14, which differentiates the key-on signal and outputs a key-on pulse signal KONP which momentarily becomes high level only when a key is pressed.

In this manner, when any key is pressed on the keyboard, the sound generation instructing device 10 outputs the note clock signal φN corresponding to the pitch frequency of the key, and also outputs the key-on pulse signal KONP.

These note clock signal φN and key-on pulse signal KONP are supplied to musical tone signal generator 20. In the musical tone signal generating device 20, an address signal generating circuit 22 starts operating in response to the arrival of the key-on pulse signal KONP, and outputs an address signal changing at a rate defined by the note clock signal φN to the musical waveform memory 21.
supply to. The musical tone waveform memory 21 is controlled by this 7 dress signal and outputs waveform data to which no envelope is applied (or an envelope is applied only to the attack portion of the musical tone) to the multiplier n24.

On the other hand, the envelope waveform generation circuit 23 responds to the key-on pulse signal KONP (and the attack end signal AF from the address signal generation circuit 22) by multiplying the envelope waveform data that changes as shown by the solid line (or broken line) of tjIJ2. Output to 24.

As a result, the multiplier 24 multiplies the waveform data from the musical waveform memory 21 and the envelope waveform data from the envelope waveform generating circuit 23, and generates musical waveform data TDI (see FIG. reference) is output. This musical waveform signal TDI is supplied to the D/A converter 31a, where it is converted into an analog signal, and then sent to the speaker 33 via the amplifier 32a.
a, a musical tone corresponding to the musical waveform data TDI is produced from the speaker 33a.

On the other hand, the musical tone waveform data TDI supplied to the D/A converter 31a is also supplied to the multiplier 34. This multiplier 34 is supplied with control data CD from a control signal generator 40. In such a case, in the control signal generating device 40, the 7-lip 70-tub circuit 41 is set by the key-on pulse signal KONP from the differentiating circuit 14, and reset by the attack end signal AF from the address signal generating circuit 22, and the AND circuit is set. Since a high level signal is output to one input of the ANI from the time the key is pressed until the end of the attack, the AND circuit ANI supplies the clock signal φ from the clock generator 42 to the clock input of the address counter 43 only during this time. do. *In addition, since the address counter 43 is reset by the key-on pulse signal KONP, the counter 43 starts counting from "0" when the key is pressed, and increments by "1" each time the clock signal φ arrives. The count value is incremented, and the increment of the count value is stopped at the end of the attack. Such a count value is supplied to the control waveform memory 44, and
outputs storage control data (see the solid line in the tjSa diagram) according to the count value, so the control data CD supplied to the multiplier 34 increases linearly from the time the key is pressed until the end of the attack, and after the end of the attack. remains constant (see Figure 5)
. As a result, the tone waveform data TD2 output from the multiplier 34 is at an extremely low level immediately after the key is pressed, and its level is gradually increased until it reaches the same level as the tone waveform data TDI at the end of the attack ( Note that if the control data stored in the control waveform memory 44 corresponds to the characteristics shown by the broken line or the dashed-dotted line in FIG. It becomes small or "0".

The musical sound waveform data TD2 outputted from the multiplier 34 as described above is converted into an analog signal by the D/A converter 31b and outputted to the phase modulation device W150. Circuit 51, phase inverter 52
and 1 addition 1J153,54, D/A conversion i
! A mixed signal of the signal from the D/A converter 31b and a signal obtained by phase modulating the signal and a phase reciprocated signal is supplied to the Subi+33b via the amplifier 32b, and a signal obtained by phase modulating the signal from the D/A converter 31b and the signal. The mixed signal is supplied to the speaker 33c via the amplifier 32C. the result,
The speakers 33b and 33c generate musical tones corresponding to both of the signals, respectively.

As can be understood from the above explanation of the operation, according to the @i embodiment, the speaker 33a outputs normal musical sounds (
A musical tone (corresponding to musical waveform data TDI in FIG. 5) is produced, and a musical tone (corresponding to musical waveform data TD2 in FIG. 15) whose attack part level is suppressed is output from the speakers 33b and 33c. A musical tone with a modulation effect is produced, and these speakers 33a~
Since the speakers 33e are arranged spatially apart from each other, the speaker 33a mainly produces the musical tone when the musical tone starts to be produced, and then gradually the speakers 33b on both sides of the same speaker 33a,
33c begins to generate musical tones to which phase modulation has been added, and a musical tone that gradually spreads from the start of generation is obtained. As a result, it is possible to listen to musical tones that have a pleasant three-dimensional effect, and at the same time, it is possible to listen to musical tones that have a natural feel.

Next, various modifications of the control signal generating device 40 in the first embodiment will be explained.

al. First Modified Example First, the first modified example will be explained using the drawings.
FIG. 156 shows a block diagram of a control signal generating device 40a according to the modified example. Similar to the first embodiment, this first modification includes a clock generator 42 that generates a clock signal φ at a constant rate, an AND circuit ANI that data the clock signal φ from the generator 42, and It includes an address counter 43 that counts the clock signal φ from the circuit ANI and is reset by the key-on pulse signal KONP from the differentiating circuit 14 of the first embodiment, and a control waveform memory 44 that is addressed by the counter 43. .

However, the selection changeover switch 45 is used for setting the 7-lip 70-tub circuit 41m connected to the AND circuit ANI.
The signal is supplied from The PJJ1 manual input of the selection changeover switch 45 is supplied with the attack end signal AF from the address signal generation circuit 22 in the first embodiment, and the second
A timer circuit 46 is connected to the human power. The timer circuit 46 inputs the key-on pulse signal KONP and receives the same signal K.
Time measurement is started when the ONP arrives, and a measurement end signal TF is supplied to the second manual selection switch 45 after a predetermined time. In addition, a key-on pulse signal K is sent to the reset manual R of the 7-rip 70-tub circuit 41a via an OR circuit OR2.
ONP is supplied, and a final address detection signal AE is also supplied from the final address detection circuit 47 via the OR circuit OR2.

The final address detection circuit 47 is connected to the address counter 43, detects the final address of the control waveform memory 44 based on the count value from the counter 43, and outputs a final address detection signal AE at the time of detection.

To explain the operation of the first modified example configured as above,
7 due to the key-on pulse signal KONP generated when a key is pressed.
Since the lip 70 block circuit 41a and the v7 address counter 43 are reset, the address counter 43 is reset when the key is pressed.
The count value of is set to "0", and the control waveform memory 44
outputs control data CD representing "0". Further, by resetting the 7-rip 70-tub circuit 41a, the AND circuit AN1 is controlled to be non-conductive, and the clock signal φ from the clock generator 42 is not supplied to the address counter 43, so the count value of the counter 43 is maintained at UO. Then, control data C representing "0" is output from the control waveform memory 44.
D continues to be output.

In such a case, if the selection changeover switch 45 is in the state shown in FIG. 16, the 7-lip prop circuit 41a is maintained in the reset state from the time the key is pressed until the attack end signal AF is generated. When the attack end signal AF is generated, the signal AF is supplied to the setting manual S of the 7-lip 70-tub circuit 41a via the selection switch 45, so that the 7-lip 7a
The knob circuit 41a is set at this point. By setting this 7-lip 70-tub circuit 41a, the AND circuit AN
Since I is controlled to be conductive and the clock signal φ from the clock generator 42 is supplied to the clock input CK of the address counter 43, the address counter 43 counts this clock signal φ and sets the count value to "1". ”
It starts to increase gradually.

Then, when the count value of the address counter 43 reaches the final address value of the control waveform memory 44, the final address detection circuit 47 responds to the same address value and sends the final address detection signal AF through the OR circuit OR2 in 7 rip 70 bits. The circuit 41 is reset by supplying it to the reset human power R of the circuit 41a. By this reset, the AND circuit ANI is controlled to be non-conductive and the clock signal φ from the clock generator 42 is no longer supplied to the clock input CK of the address counter 43, so the counting operation of the counter 43 is stopped and the counter is The count value of 43 is maintained at a value corresponding to the final address.

Through this series of operations of the address counter 43,
The control data CD read from the control waveform memory 44 is
As shown in FIG. 7, when a key is pressed (key-on pulse signal KO
NP) to the generation of the 7-tack end signal AF.
0'' and then increases linearly until the memory 44
When the final address is reached, the data value stored at the same address is maintained.6 As described in the first embodiment, the control waveform memory 44 has the characteristics shown by the broken line or the dashed-dotted line in FIG. If the control data is stored, the increase in the control data value of the control data follows the characteristics of the dashed line or the dashed-dotted line.

On the other hand, the movable contact of the selection switch 45 is connected to the timer circuit 4.
If it is input to the 6 side, the 7 rip 70 lub circuit 41a will be set by the measurement end signal TF from the timer circuit 4G instead of the attack end signal AF, so the address counter 43 will be set at the end of this measurement. Signal TF
The counting operation starts from the time when the same occurs, and the control data value CD from the control waveform memory 44 increases from the time when the same occurs.

As described above, according to this tj&1 modification, the control signal generator 40a outputs the control data CD that starts to increase later than in the rjS1 embodiment, and this control data CD reaches T1. Since the level of the tone waveform data TDI is controlled by the tone waveform data TDI, the level of the tone waveform data TD2 starts to increase later than in the first embodiment.

Then, the output signal from the phase modulation device i50 is output from the amplifier 32b.
, 32c from the speakers 33b, 33c, the rise of the musical tone is delayed compared to the case of the first embodiment. This means that there is a large delay in the reflected sound relative to the direct sound in the sound field, which better imitates the three-dimensional effect of a large hall, etc. where the surrounding walls are far away from the sound source. .

Note that in the tjS1 modification described above, the timer circuit 46
Although the measurement end signal TF is output after a certain period of time from the arrival of the key-on pulse signal KONP, the timer circuit 46 may vary the 1ffl (delay time) during measurement. According to this, the speaker 33b,
It becomes possible to arbitrarily set the delay in the sound production of musical tones for the speaker 33a of the speaker 33c, and it becomes possible to imitate the three-dimensional effects of various halls and the like.

a2. Second to Fifth Modifications In the first embodiment and the first modification described above, a clock signal φ with a constant frequency is supplied to the address counter 43 in the control signal generator j1740.40a. is then supplied to this address counter 43 or C1
Second to Pt55 modifications in which the frequency of the signal φ is variably controlled will be described.

The second modification is provided on the panel surface of an electronic musical instrument, and is configured to variably control the frequency of the clock signal φ by the performer's slide operation, rotation operation, etc. This device is shown in Fig. 158A. As shown, a displaceable operator 61 and a control data generator 6 that generates ll1114 data for variably controlling the frequency according to the displacement of the operator 61 are provided.
2, and a clock generator 42m that generates a clock signal φ whose frequency is variably controlled by the control data.

The clock generator 42a corresponds to the clock generator 42 (FIG. 1 and Pt56) of the first embodiment and the modified example of PA1, and the clock signal φ from the clock generator 42a is sent to the address via the AND circuit AN1. counter 43
supplied to According to this second modification, when the operator 61 is set to a desired position, the control data generator 62 transmits control data corresponding to the set position to the clock generator 42a.
The clock generator 42a outputs a clock signal φ having a frequency corresponding to the control data, and the step speed of the address counter 43 (ffH diagram and FIG. 6) is controlled, so that the control waveform memory 44 ( The rate of increase of the control data value CD output from the (fit diagram and FIG. 6) is variably controlled. By variable control of the increase rate of the control data value CD, the increase rate of the level of the musical waveform data TD2 is controlled,
The rate of change in the level of musical tones produced from the speakers 33b and 33c (Fig. ff!1) is arbitrarily controlled. As a result, the performer or the like can listen to the speaker 33 in response to the operation of the operator 61.
It becomes possible to arbitrarily change the three-dimensional effect of musical tones produced from a to 33c.

In addition, the W43 variant is a flexible press I! The frequency of the clock signal φ is variably controlled in accordance with the touch associated with the forgery, and as shown in FIG. 8B, this device
Key touch associated with O3 key press operation (key press depth, key press pressure,
The present invention includes a touch detection circuit 64 that detects the key press speed (key pressing speed, etc.), and a control data generator 62 and a clock generator 42a that are connected to the touch detection circuit 64 and are similar to those in the second modification. According to this third modification, the control data generator 62 is controlled by the touch detection circuit 64 and outputs control data corresponding to a healthy touch to the clock generator 42a, and the clock generator 42a responds to the control data. The frequency clock signal φ is output, and based on this clock signal φ, the increase rate of the musical waveform data TD2 is controlled in the same manner as in the second modification, so that the frequency is output from the speakers 33b and 33c (FIG. 1). The level change rate of the musical tones to be produced is controlled according to the key touch. This allows the performer to simply change the key touch while playing the electronic musical instrument, and the speaker 3
It becomes possible to arbitrarily change the three-dimensional effect of musical tones produced from 3a to 33c.

Further, in the fourth modification, the frequency of the clock signal φ is variably controlled by voice, and this device has PJ8
As shown in Figure C, a voice detection circuit 66 includes a micro 5 for inputting voice, a level detector for detecting the level of the voice input by the micro 5, a voice recognition circuit for recognizing the content of the voice, etc. The control data generator 62 and the clock generator 1IS 42a are connected to the same detection circuit 66 and are similar to those in the second and third modified examples. According to this fourth modification, the control data generator 62 is the voice detection circuit 66
control data corresponding to the audio level and audio content is output to the clock generator 42n, and the clock generator 42a outputs a clock signal φ having a frequency corresponding to the control data. Based on this, the increase rate of the musical waveform data TD2 is controlled in the same way as in the second and third modifications, so that the speakers 33b, 33c (
The rate of change in the level of the musical tones produced from (Fig. m1) is controlled according to the voice. As a result, the performer can simply speak or sing into the micro 5 while playing the electronic musical instrument, and the 9! will be sounded from the speakers 33a to 33e. The three-dimensional effect of the sound can be changed arbitrarily.

Further, in this case, the timing of increase in the musical tone level produced from the speakers 33b and 33c may be controlled in accordance with the voice inputted by the micro 5. That is,
As shown by the broken line in the Pt5sc diagram, the control signal from the voice detection circuit 66 is converted into the attack end signal AF, measurement end signal TF, or The key-on pulse signal KONP may be used instead of the key-on pulse signal KONP, and the control signal from the voice detection circuit 66 may be used to control the setting or resetting of the 7-rip, 70-tub circuit 41.41m.

Further, in the fifth modification, the electronic musical instrument is placed at 1!
This device measures the acoustic characteristics of the 5th house and variably controls the frequency of the clock signal φ based on the measurement results.As shown in FIG. 8D, this device
In addition to the control data generator 62 and clock generator 42a similar to those in the fourth modification, a sensor circuit 67, a measurement circuit 68, and a latch circuit 69 are provided. The sensor circuit 67 has an ultrasonic transmitter/receiver and a control circuit that controls the transmitter/receiver, and transmits ultrasonic waves according to instructions from the measuring circuit 68, and also prevents the transmitted ultrasonic waves from being reflected by obstacles such as walls. It receives the waves and outputs them to the measurement circuit 68. The measurement circuit 68 is
Based on the ultrasonic waves transmitted and received by the sensor circuit 67!
l! 11 From the electronic musical instrument to the surroundings! l! The acoustic characteristics of the room in which the musical instrument is placed are measured by measuring the distance to obstacles such as When the measurement is completed, the measurement data is output to the latch circuit 69, and a measurement end signal ME indicating the end of the measurement is output to the latch circuit 69.
Output to. The latch circuit 69 latches the measurement data with the measurement end signal ME, and outputs the latched measurement data to the control data generator 62 as data for variable frequency control.

According to this fifth modification, when the operation switch 68a is closed, the measurement circuit 68 measures the acoustic characteristics of the room in cooperation with the sensor circuit 67, and the control data generator 62 operates based on the measurement result. The frequency of the clock signal φ output from the clock generator 42a is varied 11Jlj. and,
In this case as well, the rate of increase of the musical waveform data TD2 is variably controlled by the frequency of the clock signal φ, as in the second to fourth modifications, so that the rate of increase in the musical waveform data TD2 is variably controlled by the frequency of the clock signal φ.
The level change rate of the musical tones emitted from (ffi1 figure) is set according to the acoustic characteristics of the room, and the three-dimensional effect of the sounds emitted from the speakers 33a to 33c is adjusted according to the room in which the electronic musical instrument is placed. It will now be set according to the acoustic characteristics.

Furthermore, the second to fifth modifications described above may be used in combination as appropriate. That is, the displacement position of the operator 61, the key touch detected by the touch detection circuit 64,
Voice detection result by voice detection circuit 66 or measurement circuit 68
The frequency of the clock signal φ may be controlled by appropriately combining the measurement results of the acoustic characteristics obtained by the above.

a3, Sixth Modification In the second to fifth modifications described above, the Lisby force 33b*33 is achieved by variably controlling the frequency of the clock signal φ.
Control the level of musical tones emitted from c, or 7
By controlling the sector reset timing of the lip prop circuit 41a, the timing at which musical tones are produced by the speakers 33b and 33c is controlled (only in the fourth modification), but the displacement position of the operator 61 in the second to fifth modifications is , the key touch detected by the touch detection circuit 64, the voice detection result by the voice detection circuit 66, or the measurement circuit 6
According to the measurement results of the acoustic characteristics according to 8, the speed-e33b
, 33c may be used to variably control the level change curve of the musical tones or the generation timing of the musical tones. In this case, the control waveform memory 44 (PIS 1 diagram and FIG. Control data of various characteristics as shown in FIG. 3 are stored in the timer circuit 46 (FIG. 6) of the above first modification (FIG. FFS6).
The measurement time can be variably controlled, and the control data in the control waveform memory 44 is selected according to the displacement position of the operator 61, key touch, voice detection result, or acoustic characteristic measurement result. Alternatively, the measurement time of the timer circuit 46 may be variably controlled.
The stereophonic characteristics of the musical tones produced from 3a to 33C (FIG. 1) can be further changed in various ways.

b. Second Embodiment Next, the tpJ2 embodiment of the present invention will be described with reference to the drawings. FIG. 9 shows a block diagram of an electronic musical instrument according to the second embodiment.

The second embodiment is characterized in that the musical sound waveform data is converted into an analog signal and then its level is controlled. The musical sound waveform data TDI generated by the musical tone signal generating device 20 according to the instruction 110 is converted into an analog musical tone signal TS1 by the D/A converter 131c, and the converted analog musical tone signal TSI is supplied to the amplifier 32a and the speaker 33m. It is also supplied to the date circuit 71. The date circuit 71 is configured to be in a conductive state when the supplied control signal C8 is at a high level, and to be in a non-conductive state when the supplied control signal C8 is at a low level. The output of the date circuit 71 is connected to the phase modulation device 50, and the analog tone signal TS2 from the date circuit 71 is connected to the phase modulation device r! At t50, the amplifiers 32b and 32b are phase modulated in the same manner as in the first embodiment.
32c and speakers 33b and 33c.

The date circuit 71 is connected to a control signal generator 40b constituted by a 7-lip, 70-tub circuit 41b.

7 lip 70 tube circuit 41! ] The attack end signal AF from the musical tone signal generator 20 is supplied to the set human power S, and the key-on pulse signal KONP from the sound production instruction device 10 is supplied to the reset human power R of the same circuit 41b. There is. And 7 lip 70 tube circuit 41
A signal from the output Q of the output signal C8 is supplied to the date circuit 71 as a control signal C8.

The operation of the second embodiment configured as above will be explained. f
m! When any key is pressed on the keyboard, as in the first embodiment, the musical tone signal generator l! 20 is instructed by the sound generation instructing device 10 to generate musical sound waveform data TD1 (see FIG. 10) representing a musical tone of the pitch frequency of the pressed key.
It is output to the A converter 31e. This musical sound waveform data TDI
is converted into an analog musical tone signal TSI by the D/A converter 31c, and the converted analog musical tone signal TS1 is supplied to the speaker 33a via the amplifier 32a.
3a is musical sound waveform data TD as in the first embodiment.
A musical tone corresponding to I (analog musical tone signal TSI) is generated.

On the other hand, the 7-lip 70-tub circuit 411) is reset by the key-on pulse signal KONP generated when a key is pressed.
In addition, since it is set by the attack end signal AF generated at the end of the attack part of the musical tone, the control signal C8 output from the 7-lip 70-tub circuit 41b is low at the attack part of the musical tone, as shown in FIG. level, and at other times it is high level. Since the date circuit 71 is controlled by this control signal O8, the date circuit 71 is connected to the same portion (@10
The phase modulation device r! 150 contains the part (tj4) after the attack part of the musical tone (after the generation of the attack end signal AF).
An analog musical tone signal TS2 (corresponding to period Tb in FIG. 10) is supplied. This analog musical tone signal TS2 has a phase of '1ir.
The I4 device 50 performs phase modulation in the same manner as in the first embodiment, and the phase modulated analog musical tone signals are supplied to the speakers 33b and 33c via amplifiers 32b and 32c, respectively. A musical tone corresponding to the supplied analog musical tone signal is generated.

As can be understood from the above explanation of the operation, due to the action of the control signal generator fi40b and the date circuit 71, the musical tones after the attack part are emitted from the speakers 33b and 33c.
Since the sound is produced later than the musical tones 3a and 3a, a musical sound with a three-dimensional effect can be obtained as in the first embodiment. Furthermore, in the case of the second embodiment, the control signal generator 40b is simply composed of a seven-lip flop circuit 41b, and the level control of the analog tone signal TS1 is composed of a date circuit 71, so that the electronic musical instrument can be easily manufactured. It can be configured as follows.

Note that in the second embodiment, the control signal generator jJ
40b is configured to have a 7-rip, 70-tube circuit 41b''Ch, but the generator 40b may also be configured by a timer circuit 41c as shown in FIG. 11. In this case, the timer circuit 41c is PA1 is reset to a low level by the key-on pulse signal KONP from the sound generation instruction device W110, and becomes a high level after a predetermined time.
A control signal C8 as shown in FIG. 0 is output. As a result, as in the case of the second embodiment, the date circuit 71 uses the control signal O8 to block passage of the analog musical tone signal TSI for a predetermined period of time at the start of musical tone generation, so that the speaker 33
The musical tones from the speakers 33a and 33c are emitted later than the musical tones from the speaker 33a, and the same effect as in the second embodiment is expected. In addition, according to a modification using this timer circuit 41c, the predetermined time measured by the timer circuit 41c can be changed in various ways, so that the delay time of musical tones from the speakers 33b and 33c (corresponds to the period Ta in the f5io diagram) ) can be set to the desired value.

Furthermore, in the second* embodiment, as in the second to fifth modifications of the first embodiment, the operator 61 ([Fig. 8A]
according to the displacement position of 7-rip 70γ-b circuit 41
The set and second timings of b or the measurement time of the timer circuit 41c may be variably controlled. According to this, also in this second embodiment and its modifications, the speakers 33a to 33
The three-dimensional effect caused by the musical tone from c is caused by the stirring of the operator 61,
Changes can be controlled depending on the key touch, voice, or acoustic characteristics of the room.

c1 Third Embodiment Next, a third embodiment of the present invention will be described with reference to the drawings. FIG. 12 shows a block diagram of an electronic musical instrument according to the third embodiment.

This third embodiment is characterized by controlling the level of both the musical tones produced by the speaker 33a and the musical tones produced by the speakers 33b and 33c. The D/A converter 31a controls the level of musical waveform data TDI (see FIG. 14) from the musical sound signal generator ra20 and outputs musical waveform data TD3 as musical waveform data TD3.
The end T1. control signal generator W14
A control waveform memory 44a that is provided in 0c and supplies control data CDI (see FIG. 14) to the multiplier 34a is added. The control waveform memory 44a is addressed by the 7-dress counter 43, and ! As shown by the solid line in Figure 513A, control data CDI is output that decreases linearly as the count value of the counter 43 increases. Further, the control waveform memory 44 has a first
Control data CD as shown by the solid line in Figure 3B is output.

The remaining circuits are the same as in the first embodiment. In addition, in this third embodiment as well, as in the above-mentioned eleventh embodiment,
Control waveform memo! The control data CDI and CD2 stored in 744a and 44b, respectively, are shown in FIG.
The control data may be changed to have the characteristics as shown by the broken line or the dashed-dotted line in Figure B.

In the third embodiment configured as described above, the control data CDI output from the control waveform memory 44a is tj
As shown in Figure rJ14, when a key is pressed (when the key-on pulse signal KONP is generated), it gradually decreases up to a maximum of 7 when the tack end signal AF is generated, so the level of the musical waveform data TD3 output from the multiplier 334a is The musical tone gradually decreases at the musical tone rising part molecule a, and a musical tone corresponding to the musical sound waveform data TD3 that gradually decreases from the time of key depression is emitted from the speaker 33a. *In addition, the control data CD output from the control waveform memory 44 is the 14th
As shown in the figure, when a key is pressed (key-on pulse signal KONP
) until the attack end signal AF is generated, so J! ! The level of the musical sound waveform data TD2 outputted from the calculator 34 gradually increases to the musical tone rising part molecule a, and from the loudspeakers 33b and 33c, it gradually increases as the key is pressed, and the phase modulation device 50 outputs phase modulation. The assigned musical tone is pronounced. As a result, musical tones produced by pressing keys are first produced from the speaker 33a, and subsequently produced from the speakers 33b and 33c, so that even in this third embodiment, the above! ! Similar to l'$1 and the second embodiment, a three-dimensional effect with a spacious and natural feel can be obtained.

Note that in this third embodiment, the control signal generating device 40c may be modified like the control signal generating device ffl 40a shown in FIG. 6, as in the first embodiment.

In this case as well, the output of the address counter 43 is naturally connected to the two control waveform memories 44.degree. 44a. Also, in this third embodiment and its first modification, the above-mentioned first embodiment! 52 to the fifth modification, the characteristics of the control data CD and CDI are controlled by the operator 61 (tISaA
The control may be changed according to the operation shown in the figure, the touch of a key, the sound, or the acoustic characteristics of the room, etc.

d. PJS4 Embodiment Next, the Pt54 embodiment of the present invention will be described with reference to the drawings. FIG. 15 shows a block diagram of an electronic musical instrument according to the fourth embodiment.

In this fourth embodiment, after converting musical waveform data into an analog signal, the level is controlled, and the speaker 33
This embodiment is characterized by controlling the level of both the musical tones emitted from the speaker a and the musical tones emitted from the speakers 33b and 33a.
The amplifier 32 controls the level of the analog musical tone signal TSI (see FIG. 16) from the amplifier 32 as an analog musical tone signal TS3.
A date circuit 71a is added to supply data to a. This date circuit 71a receives the control signal C81 from the inverted output Q of the 7-lip 70-tub circuit 41b in the control signal generator 40b.
(See Figure 16)
The circuit 71a is conductive only when the control signal C3I is at a high level. The remaining circuits are the same as in the @2 embodiment above.

In the fourth embodiment configured as described above, the control signal C81 output from the 7-lip 70-tub circuit 41b is
As shown in FIG. 16, when a key is pressed (key-on pulse signal K
The analog musical tone signal TS3 corresponding only to the rising part of the musical tone molecule a is output to the date circuit 71a.
is supplied from the amplifier 32a to the speaker 33a,
A musical tone corresponding only to the rising edge molecule a is produced from the speaker 33a. In addition, 7 lip 70 tube circuit 4
As shown in FIG. 16, as in the second embodiment, the control signal C6 outputted from the circuit 1b becomes high level from the time the attack end signal AF is generated, so that it corresponds only to the partial molecules after the rise of the musical tone. The analog musical tone signal Ts is sent from the date circuit 71 to the phase modulation device fi50 and the amplifiers 32b and 3.
2c to the speakers 33b and 33c, and the speakers 33b and 33c produce musical tones corresponding only to the partial syllables after the rising edge. As a result, the musical tones produced by pressing the keys are first produced from the speaker 33a, and then produced from the speakers 33b and 33c.
In the x embodiment as well, a three-dimensional effect with a sense of spaciousness and a natural feeling can be obtained as in the first to third embodiments. Also,
In this fourth embodiment as well, the configuration is simplified for the same reason as the above-mentioned tjS2 embodiment.

Note that in this fourth embodiment as well, the control signal generator r! is similar to the modification of the second embodiment. 140b is configured with a timer circuit 41c (Fig. 7311), or control signals C8, C
The characteristics of the 3I may be changed and controlled in accordance with the operation of the operator 61 (FIG. 8A), the physical touch, the voice, and the acoustic characteristics of the room or the like.

e. Fifth Embodiment Next, a fifth embodiment of the present invention will be described with reference to the drawings. FIG. 17 shows a block diagram of an electronic musical instrument according to the fifth embodiment.

This fjS5 embodiment is characterized by controlling the level of musical tones emitted from the speaker 33a on and off, as well as continuously controlling the level of musical tones emitted from the speakers 33b and 33e. In addition to the embodiment (FIG. 1), a date circuit 71b is added that performs on/off control of the musical waveform data TDI from the musical tone signal generator 20 and supplies it to the D/A converter 31a as musical waveform data TD4. There is. This date circuit 71
b is the control signal generator r! used in the fourth embodiment (Fig. t!l115). 140b is connected and the date circuit 71
b is a control signal C3I from the device 40b that becomes high level only at the rising edge of the musical tone, molecule a (see figure m16).
Conduction is controlled according to the

In the fifth embodiment configured as described above, the control signal generator 40b and the date circuit 71b operate in the same manner as in the fourth embodiment, so that the rising edge of the molecule a (see FIG. 16) is transmitted from the speaker 33a. ) only corresponding musical tones are produced. In addition, the control signal generator fi40 and the multiplication tX
, the instrument 34 operates in the same manner as in the first embodiment, so that the speakers 33b and 33c produce a musical tone with a limited rising edge molecule a (see FIG. 5). As a result, also in this tJS5 example, a three-dimensional effect with a sense of spaciousness and a natural feeling can be obtained for the reasons mentioned above.

Note that also in this fifth embodiment, the control signal generator 4
0.40b may be modified in the same manner as in the first to fourth embodiments.
4, and also replaced the control signal generator 40b and the control signal generator W140,
g supplied to a! The level of the sound waveform data may be continuously variably controlled, and the level of the musical sound waveform data supplied to the D/A converter 31b may be controlled on/off.

In this case, the control signal generator 40b is the date circuit 71b.
The control signal CS (see FIG. 10 and PtIJ16) is outputted to the control signal generator ra40, and the control signal generator f of the above 11', 3l embodiment (FIG. 12) is used as the control signal generator ra40.
Interior ff140c using fl 40c
It is preferable to output control data CDI (see FIG. 13A).

In the first to fifth embodiments described above, the musical tone signal generating device r
! 120 forms and outputs the musical waveform data TDI based on the waveform data stored in the musical waveform memory, but it is also possible to form the musical waveform data TDI by a method such as an arithmetic method (for example, FM performance) or a filtering method. Alternatively, the musical tone signal may be output without being digitally formed as in the first to fifth embodiments.
It is also possible to form and output the Raku11'F signal in an analog manner. In this case, the above Pr51 to D of the fifth embodiment
/A conversions 331a, 3lb, and 31e are no longer necessary, and the multipliers 34゜3411.3411 of the PAl, third and V fifth embodiments can be replaced with analog date circuits. , control signal generation 540
．． 40e replaces the control data CD and CDI by converting the data CD and CDI into D/8, or by forming a control signal in an analog manner using a charging/discharging circuit such as a capacitor or resistor and outputting the same.

Further, in the first to fifth embodiments described above, the address signal generation circuit 22 outputs the attack end signal AF, but the envelope waveform generation circuit 23 outputs the attack end signal AF.
In this case, a comparator is provided in the envelope waveform generation circuit 23, and the comparator outputs the envelope waveform data value generated by the envelope waveform data value and predetermined level data in the envelope waveform generation circuit 23. By comparing,
Just output the attack end signal AF'w1
Further, the control data stored in the control waveform memo ')44+44* in the first, third and fifth embodiments may be changed in various ways. That is, the memories 44 and 44a can be used as RAMt'6 to write control data into the MRAM from the outside, and the memory '744. j4
A may be configured with a memory pack that is detachable from the device.

Furthermore, in the above-mentioned PAl to the fifth embodiment, the phase modulation device fi50 performs only phase modulation on the analog tone signal, but it may perform amplitude modulation in addition to the phase modulation.

Further, in the above-mentioned ff1l to fifth embodiments, the level of musical tone signals corresponding to musical tones whose levels are limited immediately after the start of sound generation is controlled by the multiplier 34 or the date circuit 71, and then phase modulation is performed. In the device 50, the two systems are arranged so that the speakers 33b and 33c generate sounds, respectively, and the level of each musical tone signal corresponding to each musical tone generated from the same speakers 33b and 33e is controlled for each signal. In this case, the level change characteristics may be changed and controlled for each musical tone signal. In addition, in the first to fifth embodiments, these musical tones are transmitted in two series (speaker 33b, 33c), the musical tones may be emitted in three or more series or in one series by further increasing or decreasing the number of speakers.

Furthermore, in the first to tjS5 embodiments described above, the speakers 33a to 33
Although the volume level of the musical tones emitted from the speakers 33a to 33c is controlled, the volume level of the musical tones emitted from the speakers 33a to 33c is controlled by mechanically controlling the level of the sound V signal emitted from the speakers 33a to 33c. In this case, shielding plates are provided on the curved surfaces of the speakers 33a to 33c, and these shielding plates are rotated or slid by a driving means such as a step motor in accordance with the control data CD or the control signal CS. The acoustic signals emitted from each of the speakers 33a to 33c may be controlled according to the control data CD or the control signal C8. In such a case, the shielding plate becomes large because the sound emitting surface of the speakers 33a to 33c is large, and if the rotation or sliding speed of the shielding plate becomes a problem, such as a blind where the shielding plate is hung inside a window. It is only necessary to configure a large number of vanes to rotate each vane by the driving means. With this configuration, the shielding plates in front of the speakers 33b and 33c are not interleaved immediately after the start of a musical tone. If you leave it in the same condition and then use the same shielding plate, a musical tone with a slightly muffled tone will be produced at first, and then a musical tone with a clear (clear) tone will be produced, and it will be possible to produce a musical tone with a slightly muffled tone at first. Gold W2 for mouth, violangba, viola, etc., trompon, chew μ, etc.! ! Instrument sounds of non-reed wood instruments such as instruments and flutes, i.e. 9 with a slow onset! It can better mimic organs.

Further, in the first to fifth embodiments, the present invention is applied to a single-tone electronic musical instrument, but the present invention may also be applied to a multi-tone electronic musical instrument.
As shown in Japanese Patent No. 49597, a plurality of musical tone signals to be generated may be time-divisionally processed. Also,
In the first to fifth embodiments described above, the present invention is applied according to the key depression on the keyboard. Although applied to an electronic musical instrument that produces sounds, the present invention is also applied to an autorhythm device. In this case, the key-on pulse signal KONP in each of the above embodiments
is replaced by the rhythm pattern pulse signal of the autorhythm device. The present invention is also applicable to hand percussion devices that generate musical tones in response to the operation of non-keyboard operation switches, devices such as electronic drums that have a striking surface, or devices that generate musical tones in response to voice input. be done. In this case, the operation signal of the operation switch, the impact detection signal, or the input voice detection signal is the key-on pulse signal KON of each of the above embodiments.
17'. Furthermore, the present invention is applicable not only to percussive musical tones but also to devices that generate sustained musical tones such as flutes and violins.

[Brief explanation of drawings]

Fig. 1 is an overall block diagram of an electronic musical instrument according to the 1':A embodiment of the present invention, and Fig. 2 is a waveform diagram of an amplitude envelope given to a musical tone signal by the musical tone signal generating device of Fig. @1, Pt5.
3 is a characteristic graph of the control data stored in the control waveform memory of FIG. 1, FIG. 4 is a layout diagram of the electronic musical instrument and speakers of FIG. 1, and FIG. 5 is a graph of the characteristics of the control data stored in the control waveform memory of FIG. FIG. 6 is a block diagram showing a modification of the control signal generator shown in FIG. 1, and FIG. 7 is a waveform diagram of control signals generated by the control signal generator shown in FIG. 8A to 8D are block diagrams showing modified examples of the control signal generator shown in FIGS. 1 and 6, FIG. 9 is an overall block diagram of an electronic musical instrument according to the tjS2 embodiment of the present invention, and FIG. 9th
Fig. 11 is a block diagram showing a modification of the control A3 generation lft device shown in Fig. 9, and Fig. 12 is a diagram of the third embodiment of the present invention. The overall block diagram of the electronic musical instrument, Figures 13A and 13B, are shown in Figure 12.
Figure 14 is a characteristic graph of control data stored in the control waveform memory, Figure 14 is a diagram of various signal waveforms formed in the electronic musical instrument of Figure 12, and Figure 15 is an electronic musical instrument according to the PIS4 embodiment of the present invention. The overall block diagram of Figure 16 is the electronic diagram of Figure 15) Ii! ! FIG. 17 is an overall block diagram of an electronic musical instrument according to a fifth embodiment of the present invention. Explanation of symbols 10... Sound generation instruction device, 20... Musical tone signal generator, 33a-33cm speaker, 34, 34a-squared W-R
's, 40.40a, 40b-control signal generator, 41
, 41 a, 41 b-7 lip 70 tube circuit, 41 c
, 4G...Timer circuit, 42, 42a...Clock generator, 43...Address counter, 44.44a.
・・Control waveform memory, 50 ・・Phase modulation device, 61・
...Operator, 64...Key touch detection circuit, 65...
Microphone, 66...Audio detection circuit, 67...Sensor circuit, 68...Measurement circuit, 71+71a...Date circuit. Applicant Nippon Musical Instruments Manufacturing Co., Ltd. Agent Patent Attorney Teru Hase (1 other person) Figure 4

Claims (5)

[Claims] (1) A musical tone signal generating means that generates a musical tone signal, a plurality of sound generating means that generates a musical tone corresponding to the musical tone signal from the musical tone signal generating means, and a signal value generating means immediately after the generation of the musical tone signal starts and thereafter. control signal generating means for generating different control signals; and controlling the level of a musical tone produced by at least one of the plurality of sound generating means according to the signal value of the control signal supplied from the control signal generating means. A musical tone generating device characterized by comprising: level control means for controlling the musical tone. (2) A musical tone signal generating means for generating a musical tone signal, a plurality of sound generating means for generating musical tones corresponding to the musical tone signal from the musical tone signal generating means, and a signal value generating means immediately after the generation of the musical tone signal starts and thereafter. control signal generating means for generating different control signals; and controlling the level of a musical tone produced by at least one of the plurality of sound generating means according to the signal value of the control signal supplied from the control signal generating means. A musical tone generating device comprising: level control means for controlling; and variable control means for variably controlling change characteristics of a control signal generated by the control signal generating means. (3) The variable control means includes a displaceable operator, and characteristic control for outputting a characteristic control signal to the control signal generating means for variably controlling the changing characteristics of the control signal in accordance with the displacement of the operator. 2. A musical tone generating device according to claim 2, comprising a signal output means. (4) The variable control means includes key touch detection means for detecting a key touch on a keyboard, and characteristic control for variably controlling the change characteristics of the control signal in accordance with the key touch detected by the key touch detection means. 3. A musical tone generating device according to claim 2, further comprising characteristic control signal output means for outputting a signal to said control signal generation means. (5) The variable control means includes a sound field measuring means for measuring the acoustic characteristics of a sound field in which the plurality of sound generating means are placed, and a sound field measuring means for measuring the acoustic characteristics of the sound field in which the plurality of sound generating means are placed, and adjusting the control signal according to the measurement result of the sound field by the sound field measuring means. 3. The musical tone generating device according to claim 2, further comprising characteristic control signal output means for outputting a characteristic control signal for variable control of changing characteristics to said control signal generating means.