JPH0664463B2 - Electronic percussion instrument - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an electronic percussion instrument, and more particularly to a performance operation based on an operation amount of a performance operator such as a drum pad, that is, a vibration amount representing strength, speed, depth or the like. The present invention can be applied to an electronic percussion instrument that is adapted to detect the fact that it has been performed.

[Outline of Invention]

The present invention, in an electronic percussion instrument that is configured to detect that a performance operation has been performed based on the vibration of a performance operator, when the performance operation is performed twice in succession during a first reference time,
By prohibiting the generation of musical sounds during the second reference time after the second performance operation, it is possible to prevent the generation of unnatural percussion instrument sounds.

[Conventional technology]

As shown in FIG. 23, this type of electronic percussion instrument 1 is a pad PAD1 as a plurality of, for example, six performance operators on the board 2.
~ PAD6 is arranged, when the performer hits each pad PAD1 ~ PAD6 using, for example, a stick, based on the vibration generated in each of the pads PAD1 ~ PAD6 according to the operation amount of the playing, the strength, speed, Percussion instrument sounds assigned to the pads PAD1 to PAD6 by converting performance operation information such as depth into electrical performance operation detection information are set by the various setting operators of the setting operation section 4 to generate sound conditions. It is proposed that the pronunciation be made according to.

For example, as percussion instrument sounds, pad PAD1 is a bass drum, pad PAD2 is a cymbal, pad PAD3 is a tom, pad PAD4 is a snare drum, and pad PAD5 is a hi-hat open, pad.
You can assign a hi-hat closed percussion sound to PAD6.

[Problems to be solved by the invention]

When a player having a relatively large operation surface such as the pads PAD1 to PAD6 is applied as the performance operator 3 to be performed by the player in this way, the player performs one of the pads PAD1 to PAD6, for example. When the pad PAD1 is struck (the pad that has been played and operated at this point in time is referred to as “the relevant pad”), the pad PAD1 vibrates (this is referred to as “self-vibration”), so At the same time that the operation information can be input, the other pads PAD2 to PA arranged on the board 2 are affected by the vibration of the pad PAD1.
D6 vibrates (this is called "jumping vibration").

However, when actually playing an electronic percussion instrument using a stick, if the performer holds one stick in each of the hands and hits the pads PAD1 to PAD6, immediately after hitting the pad with the stick on one side, If the same pad is hit with the other stick (for a very short time) (that is, if the pads are hit repeatedly), then either or both of the two sticks must be in contact with the surface of the pad to hit the pad. If the player does not return to the state of being separated from the pad once, the third stroke performance operation cannot be performed.

In fact, in electronic percussion instruments, when the same pad is struck twice in succession, when the percussion instrument sound is generated at least during the time from the timing of the second stroke until the stick is returned to the original position, the overall result is as follows. It is inevitable that the sound will be unnatural.

When playing a natural percussion instrument such as a drum or cymbal with two sticks, no sound is generated between the timing of the second stroke and the timing of the third stroke. If a musical tone that does not maintain the time interval is generated in the electronic percussion instrument, the percussion instrument sound that is unfamiliar to the ear will be heard.

The present invention has been made in view of the above points, and proposes an electronic percussion instrument that prevents an unnatural musical tone from being generated as a percussion instrument sound that follows when the same operator is repeatedly hit twice. Is.

[Means for solving problems]

In order to solve such a problem, in the present invention, a musical performance operator (3) is provided in an electronic musical instrument which has a musical performance operator (3) and generates a musical tone corresponding to an operation amount of the musical performance operator (3). Performance operation detection information (PADNO, A
DVAL) forming operation detection means (25, 14, 31, LP
1) and the performance operation detection information (PADON, ADVAL) are generated, sound information is generated, and when the performance operator (3) is operated continuously, the first reference time ( During the TR1), it is detected whether or not the second performance operation is performed, and when it is detected that the second performance operation is performed in succession. After the second performance operation, the pronunciation information for the second reference time (TR2). Tone control means (31, SP30) for prohibiting the generation of noise and tone generation means (3
5 and 36) should be provided.

[Action]

When it is detected that the performance operator (3) has been operated twice in succession, even if the performance operation detection information (PADNO, ADVAL) is obtained during the second reference time TR2 thereafter. The generation of pronunciation information corresponding to the performance operation detection information (PADNO, ADVAL) is prohibited.

Thus, when the performance operation of the second strike is performed, the second
Because no musical sound is generated during the reference time (TR2) of
It is possible to avoid producing unnatural musical sounds.

〔Example〕

 An embodiment of the present invention will be described in detail with reference to the drawings.

[1] Configuration of First Embodiment FIG. 2 shows an embodiment in which the present invention is applied to an electronic musical instrument consisting of an electronic percussion instrument. An electronic musical instrument 11 is a performance of the electronic percussion instrument 1 described above with reference to FIG. It has a performance operation section 12 having the same structure as the operation section (corresponding parts to those in FIG. 23 are designated by the same reference numerals).

Pad PAs as performance operators 3 arranged on the board 2
When D1 to PAD6 are operated by the stick, the performance operation information signal S1 is output to the multiplexer 13.

The multiplexer 13 supplies a pad number signal S2, which represents the pad number of the performance-operated information among the performance operation information signals S1, to the pad number variation section 14A of the latch register 14,
The performance operation amount signal S3 indicating the strength, speed, depth, etc. of the performance operation for the pads PAD1 to PAD6 is given to the peak value latch section 14B of the latch register 14 as the performance operation amount data S4 via the analog / digital conversion circuit 15. .

Here, as shown in FIG. 3, the pads PAD1 to PAD6 convert the vibration of the pad vibrating body 21 into a vibration signal S11 (FIG. 4 (A)) by a vibration detector 22 such as a piezoelectric sensor or conductive rubber. The vibration signal S11 is converted and the diode 23 and the capacitor 2
It is configured to be smoothed by 4 and converted into a vibration envelope signal S12 (FIG. 4 (B)), which is sent as performance operation information S1 (FIG. 2).

The performance operation amount data S4 sent from the analog / digital conversion circuit 15 is given to the peak detection circuit 25, and when the vibration envelope signal S12 (FIG. 4 (B)) becomes the peak value PEAK, the peak interrupt signal S13. Is generated as detection timing information, and this is given to the latch register 14 as a latch signal. At this time, the latch register 14 latches the performance operation amount data S4 to the peak value latch section 14B, and at the same time, outputs the pad number signal S2 to the pad number variation section 14B.
Latch to A.

In this way, the pad number variation data S latched in the pad number variation portion 14A and the peak value latch portion 14B is used.
14 and peak value latch data S15 and peak detection circuit 25
The central processing unit (CPU) 31 executes the program of the ROM-configured program / table data memory 32, and the peak interrupt signal S13 sent from the CPU is taken into the RAM-configured data / working memory 34 via the bus 33. At the same time, the arithmetic processing is performed together with the table data in the program / table data memory 32.

The CPU 31 supplies the processed data via the bus 33 to the musical tone signal generation unit (TG) 35 serving as a rhythm sound source as rhythm sound generation information S31. The musical tone signal generator (TG) 35 sequentially receives the rhythm sound generation information S31 about the maximum number of tones of the percussion instrument (six tones in this case) for the time slots assigned to the first to sixth pronunciation channels, and the corresponding rhythm. A musical tone signal S32 representing a musical instrument sound is sent to the sound system 36, and thus the musical tone signal S32 is converted into a percussion instrument sound in the sound system 36.

The CPU 31 uses the pads PAD1 to PAD as the performance operators 3 by the performer.
When one of the AD6 is operated at the current time t ₀ , the data based on the performance operation information signal S1 is transferred to the register 34A (FIG. 5) of the data / working memory 34 every time the peak interrupt signal S13 is generated. By executing the pad-on interrupt routine RT1 shown in FIG. 6, it is fetched and processed.

Further, the elapsed time of the past performance state is judged by the CPU 31 executing the timer interrupt routine RT2 of FIG. 7 every time the interrupt timer 37 generates the timer interrupt signal S34.

In the case of this embodiment, the CPU 31 sets the past performance states of the pads PAD1 to PAD6 into three states, that is, the status "0",
It is classified into "1" and "2", and as shown in FIG.
Each pad PAD1, PAD is stored in the pad status register REG11 which constitutes the register 34A of the data / working memory 34.
2, ..., Pad status data PDKON corresponding to PAD6
(I) (i = 1, 2, ..., 6) is held.

Status state of "0", as shown in FIG. 8 (A1), from the present time t ₀ a first reference time TR1 (for example, 15 [m
s]) by a past time t _{(- 1 5)} is in a state in which the i-th pads have not been completed performance operation until the first time the performance operation as indicated at X1 at the current time t ₀ in this state, Represents the state in which it was created.

In this status "0", a sounding operation can be performed any time a performance operation is performed. At this time, the CPU 31 uses the elapsed time data LAPCTR (i) (i = 1, 2,
.., 6), as shown in FIG. 8 (A2), the numerical value 15 representing the first reference time TR1 is preset, and then 1 [m
s], the elapsed time data LAPCTR (i) (i = 1, 2,
The first reference time TR1 is measured by subtracting -1 from 6).

This first reference time TR1 is, as shown in FIG. 4 (A),
From the time when the pads PAD1 to PAD6 are arithmetically operated to start the vibration, a sufficient time (for example, 15 [m
s]).

The state of the status "1", as shown in FIG. 8 (B1), a first reference time TR1 before time t relative to the current time point t _{0 (- 1 5)} other than the time t = t _{( In ST 1 )} , after the first performance operation is performed as indicated by the symbol X1, the second performance operation is performed at the current time t ₀ as indicated by the symbol X2.

In this state, at the time point t = t _{( ST 1 )} , the pad that is vibrated by the first performance operation is vibrating without vibrating the vibration state is not finished yet. This means that the player has performed a continuous hit for a short time interval with a stick held in both hands.

In such a case, it takes a certain amount of time or more before the stick hitting the pad is once released from the pad surface and hit the pad surface again. Generating a percussion instrument sound may be considered a malfunction.

Therefore, in such a state, as shown in FIG. 8 (B2), as the elapsed time data LAPCTR (i), the second reference time TR2 from the current time t ₀ when the second performance operation is performed.
(In this embodiment, 30 [ms] is selected), and the tone signal generator (TG) 35 is controlled so as not to generate a sound during the second reference time TR2 as a pause period. To do.

Furthermore, the status "2" is as shown in Fig. 8 (C1).
Currently the time _{t 0} to the reference first reference time TR1 by a previous point in time _{t (- 1 5)} other than the time t = _{t (ST 1)} and t = t
_{In ( ST 2 )} , when the same pad is repeatedly hit twice as indicated by the symbols X1 and X2, and then the same vibration as the third performance operation is performed at the current time t ₀ as indicated by the symbol X3, Elapsed time register REG12 elapsed time LAPCTR
Based on the fact that (i) is included in the timing operation of the second reference time TR2 (FIG. 8 (C2)), the CPU 31 controls so as not to perform the sounding operation.

[2] Principle processing procedure In the embodiment shown in FIG. 2, the CPU 31 follows the principle processing procedure as shown in FIG. 1 and, when the same pad is hit repeatedly, prohibits sound generation to prohibit subsequent sound generation. Execute the process.

That is, the CPU 31 controls the pad PAD1 that constitutes the performance operator 3.
When the peak interrupt signal S13 is generated from one of the PAD6 to PAD6, the sound generation inhibition processing routine is entered from the processing step PR1 and the performance operation detection information (that is, the patch) is detected from the pad in which the peak is generated in the processing step PR2 (that is, the relevant patch). Donan variation data S14 and peak value latch data S15) are loaded.

Subsequently, the CPU 31 uses the second reference time in the processing step PR3.
Judge whether or not the timing of TR2 has ended.

The second reference time TR2 represents the time during which the CPU 31 should perform the sound-prohibiting operation from the sounding time generated by the previous performance operation to the end of the timing of the second reference time TR2. Therefore, if a positive result is obtained in the processing step PR3, it means that the peak detection occurring at the current time t ₀ is not the timing during the sound generation prohibition time, and as a result, the sound generation operation is in good timing. Means

At this time, the CPU 31 proceeds to the processing step PR4 to judge whether or not the relevant patch has been sounded within the first reference time TR1.

Here, during the first reference time TR1, FIG. 8 (B1) and (B1)
As described above with respect to 2), it can be determined that the past performance state is the status "1", and thus the peak detection occurring at the current time t ₀ is based on the second performance operation. Means you are in a state,
At this time, the CPU 31 shifts to the processing step PR5 and starts the time counting operation of the second reference time TR2, so that the time counting operation of the second reference time TR2 ends after the current time t ₀ and thereafter. Controls to a state in which pronunciation based on performance operations is prohibited.

Subsequent to this, the CPU 31 executes the sound generation processing in the next processing step PR6, and then ends the sound generation inhibition processing routine in the processing step PR7.

On the other hand, when a negative result is obtained in the processing step PR4, this means that the performance state in the past from the current time t ₀ is the status “0” described above with reference to FIGS. 8 (A1) and (A2). In other words, it means that the sounding operation may be performed by the performance operation at the current time t ₀ .

Therefore, the CPU 31 does not execute the pronunciation prohibition processing of the processing step PR5, but jumps this and executes the pronunciation processing in the processing step PR6.

The principle processing procedure shown in FIG. 1 is more specifically realized in the pad-on interrupt routine RT1 of FIG.

[3] Timer interrupt processing The timing operation of the elapsed time data LAPCTR (i) described above with reference to FIGS. 8 (A2), (B2), and (C2) is performed every time the interrupt timer 37 generates the timer interrupt signal S34.
This is done by the PU 31 executing the timer interrupt routine RT2 (FIG. 7).

When the timer interrupt signal S34 is generated, the CPU 31 sends the pad number working register REG10 at step SP1.
Numerical data 1 is written in (Fig. 5) as pad number working data PN.

This pad number working data PN is data used for processing the first to sixth sounding channels one by one, and the CPU 31 sends the PN in the next step SP2.
= 1 Pronunciation elapsed time data LAPCTR (PN)
It is determined whether (PN = 1) is 0 or not. If a negative result is obtained here, it means that the timer operation of the first or second reference time TR1 or TR2 is being performed for the first pad PAD1 at the time when the timer interrupt signal S34 is generated. .

At this time, the CPU 31 shifts to step SP3 and the elapsed time data LA
After subtracting "-1" from PCTR (PN), it is determined in step SP4 whether or not the elapsed time data LAPCTR (PN) after subtraction of "-1" has become zero.

If a negative result is obtained here, this means that it is necessary to continue the timing operation. At this time, the CPU 31 shifts to step SP5 and adds "+1" to the pad number working data PN. Now you can specify the second pronunciation channel.

On the other hand, if a positive result is obtained in step SP2 described above, this means that the first or second reference time TR1 or T
This means that the timekeeping operation for R2 has already ended, and at this time the CPU 31 jumps to steps SP3 and SP4 and moves to step SP5.

If a positive result is obtained in step SP4 described above, this means that the timing operation of the first or second reference time TR1 or TR2 has ended at the current time t ₀ when the timer interrupt signal S34 is obtained. And then the CPU
31 is the pad status data PDKON in step SP6
After clearing (PN) to 0, move to step SP5.

At step SP5, the CPU 31 specifies the next pronunciation channel by adding "+1" to the pad number working data PN, and then at step SP7, the pad number working data PN after the addition of "+1" is the maximum pronunciation channel number 6. Judgment whether or not it exceeds.

If a negative result is obtained here, this means that the processing for all the pronunciation channels has not been completed, and at this time, the CPU 31 returns to the above-mentioned step SP2 and the new pronunciation channel, that is, PN = 2. The processing of the elapsed time data LAPCTR (PN) (PN = 2) is executed for.

Similarly, when the processing of the elapsed time data LAPCTR (PN) for the third to sixth pronunciation channels is completed, a positive result is obtained in step SP7, and the CPU 31 returns from step SP8 to the main routine.

In this way, the CPU 31 executes the timekeeping operation of the first or second reference time TR1 or TR2 for the first to sixth sound generation channels as needed at predetermined time intervals, that is, every 1 [ms].

[4] Pad-on-interrupt processing When the performer performs a performance operation on one of the pads PAD1 to PAD6 of the performance operation unit 12, the CPU 31 determines, based on the performance operation information signal S1 obtained from the performance-operated pad. Each time the peak detection circuit 25 obtains the peak interrupt signal S13, the pad-on interrupt routine of FIG.
Execute the processing of RT1.

That is, the CPU 31 first enters the performance operation information acquisition processing loop LP1 and at step SP11 the pad number variation section 14A.
The pad number variation data S14 is fetched from (FIG. 2) and is fetched into the pad number register REG2 (FIG. 5) as the pad number data PADNO representing the operated pad number data.

Then, the CPU 31 determines the peak value latch unit 1 at step SP12.
The peak value latch data S15 is fetched from 4B (Fig. 2) and the peak level data ADVA is stored in the peak level register REG1.
Write as L.

Thus, the CPU 31 causes the register 34A of the data / working memory 34 to store the data representing the number of the pad operated at the present time point and the performance operation amount thereof as basic performance operation information, and the succeeding immediately preceding operation pad detection processing loop.
Enter LP2.

This processing loop is a processing loop for recognizing a past performance state at the current time t ₀ in FIG. 8 and determining whether or not to sound based on the performance operation information about the pad operated at the current time t ₀ . Then, CPU31 first step SP1
In the pronunciation channels other than the pronunciation channels to which the pad of the pad number data PADNO fetched in the pad number register REG2 in 3 is assigned, the pad status data PDKON (i) is status "1" or "2". Moreover, after detecting the pronunciation channel with the minimum value of the elapsed time data LAPCTR (i) (that is, the channel that was pronounced immediately before), the elapsed time data LAPCTR (i) of the relevant pronunciation channel is written to the previous operation pad time interval data register REG4. At the same time, the channel number data PADNO of the sounding channel is written in the immediately previous operation pad number register REG5 as the immediately previous operation pad number data MINPD.

The processing of step SP13 can be executed by using the immediately preceding operation pad detection subroutine shown in FIG.

That is, the CPU 31 sets the value 1 as the pad number working data PN in step SP13A, sets the value 30 as the immediately preceding operation pad time interval data MINLAP, and further sets the value 0 as the immediately preceding operation pad number data MINPD. Pad number data PADNO in step SP13B
Is not PN (= 1), and the contents of the pad status data PDKON (PN) are confirmed in step SP13C.

Here, if the pad status data PDKON (PN) is the status "0", the CPU 31 directly moves to step SP13D to add "+1" to the pad number working data PN.

On the other hand, if it is confirmed in step SP13C that the pad status data PDKON (PN) is the status "1", the CPU 31 determines in step SP13E that 15-LAPCTR.
(PN) is executed and the calculation result is written to the elapsed time detection working register REG9 as the elapsed time detection working data LAP. Then, in step SP13F, this elapsed time detection working data is used as the immediately previous operation pad time interval data. Make sure it is smaller than MINLAP
Working data LAP for detecting the elapsed time in SP13G
Is stored as the immediately previous operation pad time interval data MINLAP, and the pad number working data PN is held as the immediately previous operation pad number data MINPD.

On the other hand, in step SP13F, the elapsed time detection working data LAP is the previous operation pad time interval data MIN.
If it is smaller than LAP, jump to step SP13D and jump to step SP13D.

On the other hand, when it is confirmed that the pad status data PDKON (PN) is the status "2" in the above-mentioned step SP13C, the CPU 31 determines in step SP13H 30-
The calculation of LAPCTR (PN) is performed and this is held as working data LAP for elapsed time detection.

Thus CPU31 previous state status than the current time point t ₀ "0" (Figure 8 (A1) and (A2)), the status "1" (Figure 8 (B1) and (B2)), or status "2 "(C1) and (C2) in Fig. 8", and when the status is "1" or "2", set the immediately previous operation pad number data MINPD and the immediately previous operation pad time interval data MINLAP. Hold in register 34A.

When the pad number working data PN is the relevant pad in step SP13B, the CPU 31 is not another channel, so the control is immediately jumped to step SP13D.

After confirming in step SP13I that this processing has been executed for all the pronunciation channels, the CPU 31 returns from step SP13J to the pad-on interrupt routine RT1.

At this time, the CPU 31 proceeds to step SP14 and determines whether or not the immediately previous operation pad number data MINPD is not zero. If an affirmative result is obtained here, this means that the first or second reference time TR1 or TR2 has elapsed in the pad with the minimum elapsed time from the time of the previous operation among the pads other than the one currently operated. It means not doing.

In this state, the CPU 31 proceeds to step SP15 and determines that the immediately preceding operation pad time interval data MINLAP is smaller than or equal to the third reference time TR3 (selected in this embodiment 5 [ms]). .

This third reference time TR3 is the third reference time TR3 (that is, 5 [m
s]) It means that the pad that is currently operated is in a state where there is a risk of jumping and causing vibrations because the above has not elapsed.

At this time, the CPU 31 shifts to step SP16, and based on the pad number data PADNO and the immediately preceding operation pad number data MINPD, the jump vibration detection coefficient stored in the table memory 32A (FIG. 10) of the program / table data memory 32. data table jumped from KTABLE vibration detection S data _{K 1} 2 _{~K 6 5} reads the register 34A (fifth
Write as jumping vibration detection coefficient data KDATA in the jumping vibration detection coefficient register REG3 in the figure).

The jump vibration detection coefficient data KDATA is obtained from the pad operated immediately before the pad (represented by the pad number data PADNO) (represented by the immediately previous operation pad number data MINPD). Represents the degree of influence of the jumping vibration of the., For example, the coefficient value is determined by the distance between the pad operated at the current time t ₀ and the pad operated immediately before.

The coefficient value thus determined is K _{( PADNO ) ( MINPD
)} , The jump vibration detection coefficient table KTABLE can be expressed as shown in FIG. 11. For example, as shown in FIG. 12, when the first pad PAD1 is operated at the current time t ₀ , The pad operated immediately before is PAD2, PAD3, PA
When D4, PAD5, PAD6, each coefficient value K _{( PADNO ) ( MINPD )
Is, K 1 2, K 1 3} , K 1 4, K 1 5, K 1 can be represented by _6, the value is the second and fourth pads PAD2 and PAD4 approximately relative to the first pads PAD1 Since they are at the same distance, K _{1 2} = K _{1 4} = 1/8 is set, and the fifth pad PA
Since D5 is at a slightly distant distance, K _{1 5} = 1/10 is set, and since the third and sixth pads PAD3 and PAD6 are at the farthest distance, K _{1 3} = K _{1 6} = 1 / Set to 16.

Thus, in a state where other pads PAD2~PAD6 other than the pads are oscillating by being operated immediately before, the pads PA in which the vibration has been operated at the present time t ₀
By weighting the degree of impact of jumping vibrations on D1, the conditions can be optimized again.

At the subsequent step SP17, the CPU 31 determines whether the vibration of the pad is larger than the jump vibration detection coefficient data KDATA using the jump vibration detection coefficient data KDATA.

Here, the current vibration state uses the ratio of the peak level data ADVAL held in the peak level register REG1 to the sounding level data DATA (MINPD) held in the immediately preceding operation pad number register REG5.

Incidentally, the peak level data ADVA held in the peak level register REG1 at the status "1" or "2".
L is the peak level data obtained from the pad operated at the current time t ₀ , while the sounding level data ADATA (i) (i = 1, 2, .., 6) is the peak level data (represented as ADATA (MINPD)) for the pad that was just played. Therefore the ratio
ADVAL / ADATA (MINPD) is the value from the pad operated immediately before when the pad whose peak is detected at the present time t ₀ is detected even though the pad is not actually operated. It can be considered that a peak is generated due to the jumping vibration of the pad. The peak level of the pad at which the peak occurred at this time is the peak level of the vibration of the pad operated immediately before × K _{( PADNO ) ( MINPD )} . It is considered to be below the value. This is because the jump vibration detection coefficient data K _{( PADNO ) ( MINPD )} represents the reference value of the vibration damping ratio from the pad operated immediately before to the pad where the current peak is detected.

On the other hand, the ratio ADVAL / ADATA (MINPD) is the magnitude of the vibration level when the pad that detected the peak is actually operated, and therefore the peak level data ADVA.
Since the value of L becomes a sufficiently large value, it becomes a value larger than the value of the jump vibration detection coefficient data KDATA.

Thus, when a negative result is obtained in step SP17, this means that the peak value may be due to jump vibration, and at this time, the CPU 31 shifts to the jump vibration processing loop LP3.

On the other hand, when a positive result is obtained in step SP17, this means that the occurrence of the peak is due to the performance operation of the pad, and at this time, the CPU 31 shifts to the tone generation processing loop LP4.

When a negative result is obtained in step SP14 described above, this means that all the pads other than the pad in which the peak has occurred have the first reference time (that is, 15 [ms]) from the start of sounding. It means that the above has passed, and at this time, it is not necessary to execute the process for the jump vibration, so the CPU 31 executes steps SP15, SP16, SP1.
Immediately enter the tone generation processing loop LP4 without performing the processing of 7.

If a negative result is obtained in step SP15 described above, this means that the third reference time TR3 (that is, 5 [ms]) or more has elapsed from the time when the last operated pad started sounding. However, at this time, there is no risk of jumping vibration, so the CPU31 uses the step SP1
6. Directly enter the tone generation processing loop LP4 without processing SP17.

When the CPU 31 enters the tone generation processing loop LP4, it confirms the past operation state based on the pad status data PDKON (PADNO) of the pad number data PADNO peak-detected in step SP21.

When the pad status data PDKON (PADNO) is the status "0", this means that it is shown in FIGS. 8 (A1) and (A2).
As mentioned above, it means that the CPU 31 is ready to pronounce at any time.
Then, the data of the pad status data PDKON (PADNO) is rewritten from the status "0" to the status "1", and secondly the first reference time TR1 (that is, 15 [ms]) to the elapsed time data LAPCTR (PADNO). Data of
Thirdly, the peak level data ADVAL of the peak level register REG1 is transferred and held to the sounding level data ADATA (PADNO).

Thus, the CPU 31 switches to the control condition of the status "1" described above with reference to FIGS. 8 (B1) and (B2),
Move to next step SP23.

In this step SP23, the CPU 31 causes the tone signal generator (T
G) 35 transmits the pad number data PANDO of the pad number register REG2 and the peak level data ADVAL of the peak level register REG1 together with the key-on signal KON as rhythm-on occurrence information S31.

At this time, the musical tone signal generator (TG) 35 is set to the pad number data.
The musical tone signal S32 for causing the percussion instrument sound designated by PADNO to be produced at the volume designated by the peak level data ADVAL is sent to the sound system 36.

Thus as described above for Figure 8 (A1) and (A2), after generating the percussion sound corresponding to the pads the performer has operated at the present time t _0, the CPU31 step S
Return to the main routine from P24.

On the other hand, when the CPU 31 determines in step SP21 that the status is "1", this means that as described above with reference to FIGS. 8 (B1) and 8 (B2), the present time t
_This means that the same pad has been hit twice in a state in which there is a pad operated immediately before during a time period before the first reference time TR1 with reference to ₀ .

At this time, the CPU 31 shifts to step SP25 and outputs the sound level data ADATA (PADNO) and elapsed time data 15-LAPCTR (PA
NDO), the self-vibration detection coefficient data table REG2 stored in the program / table data memory 32.
2 (Fig. 10) to DCTBL (Fig. 13)
(Figure) is read and written as self-vibration detection data DCVAL in self-vibration detection data register REG8.

Here, 15-LAPCTR (PADNO) represents the elapsed time from the operation of the pad to the present time, and is the first reference time TR.
1 (in this example 15 [ms]), a predetermined time interval (e.g., 1 [ms] interval) for each of the self-vibration detection coefficient data DV _{(ADVAL) -} a group of data group and _{(1 5 LAPCTR)} D
Memorized as CTBL (30) to DCTBL (10) (14th
Figure).

Each data group DCTBL (30) to DCTBL (10) is prepared for each operation intensity for the pad (that is, the peak level data ADVAL values 30, 29, ..., 10 at the elapsed time 15-LAPCTR = 0). The data is constructed so as to draw a damping curve that corresponds to the damping curve of the vibration.

Note that the vibration of the pad is the first reference time TR after the performance operation.
While 1 decays as described above with reference to FIG. 4,
The attenuation curve draws different attenuation curves depending on the operation strength with respect to the pad (that is, the strength when the pad is hit by the stick). Each data group DCTBL (30) to DCTBL (10) of the self-vibration detection coefficient data table DCTBL is selected to be a value smaller by a predetermined amount than the value at each elapsed time point on the damping curve.

Thus, the self-vibration detection coefficient data DV _{( ADVAL ) ( 1 5 -} in comparison with the corresponding elapsed time of the data _LAPCTR), better vibration level of the pad in the always natural attenuation state are made to be small.

Thus, the data group DCT determined from the self vibration detection coefficient data table DCTBL based on the peak level data ADVAL.
BL data DV _(ADVAL) of the corresponding elapsed time of (ADVAL) (15-LAPCTR) - when compared to _{(1 5 LAPCTR)} read by piece level data ADVAL, peak level data A
If DVAL is large, it is possible to judge that the vibration of the pad is self-vibration due to the second performance operation.

Therefore, if a positive result is obtained in step SP26,
This means that the second performance operation has been performed as described above with reference to FIGS. 8 (B1) and (B2). At this time, the CPU 31 moves to step SP27 and firstly, the pad status data PDKON (PADN
The status "1" that was written as O) is rewritten to the status "2", and secondly the elapsed time data LAPCTR
Write the value 30 representing the second reference time TR2 to (PADNO),
Thirdly, the peak level data ADVAL currently held in the peak level register REG1 is transferred and stored as the sounding level data ADATA (PADNO).

Thus, the CPU 31 switches the control condition of status "1" described above with reference to FIGS. 8 (B1) and (B2) to the control condition of status "2" shown in FIGS. 8 (C1) and (C2), and thereafter. Move to step SP28, pad number data PADNO of pad number REG2 and peak level register REG1.
The peak level data ADVAL of is sent to the musical tone signal generator (TG) 35 as the rhythm-on occurrence information S31 together with the key-on signal KON.

At this time, the musical tone signal generator (TG) 35 is set to the pad number data.
After the percussion instrument sound of PADNO is supplied to the sound system 36 so as to generate the tone level S of the peak level data ADVAL, the procedure returns from step SP29 to the main routine.

On the other hand, if a negative result is obtained in step SP26, this means that the detected peak value is lower than that in the case where the playing operation is performed normally, for example, abnormal vibration occurs because the first playing operation is abnormally strong. Means that At this time, the CPU 31 immediately proceeds to step SP29 without performing the processing of steps SP27 and SP28.

Further, when it is judged in the above-mentioned step SP21 that the pad status data PDKON (PADNO) is the status "2", this means that the present time t ₀ as described above with reference to FIGS. 8 (C1) and (C2). To the first reference time in the past
TR1 are are two operational operation continues for the same pads during, and since the present time t ₀ from the second performance operation the second reference time TR2 (= 30 [ms]) is within,
The occurrence of the peak at the current time t ₀ indicates that it is abnormal.

At this time, the CPU 31 immediately returns from the step SP30 to the may routine to ignore the occurrence of the peak and terminate the processing program without controlling the tone generation.

When the jumping vibration processing loop LP3 is entered, the CPU 31 first determines in step SP35 whether or not the pad status data PDKON is "0". If a negative result is obtained here, the pad is in status "1" or "2",
Therefore, it is in a state of vibrating by the first or second performance operation, and at this time, the CPU 31 returns from step SP40 to the main routine.

However, in such a vibration state, even if a jump vibration is generated from another pad, for example, the vibration is very small. Therefore, when a special sound is newly generated based on the jump vibration, it becomes unnatural. Therefore, in the case of such a status condition, the processing program is terminated without making a special sound.

On the other hand, if a positive result is obtained in step SP35, the CPU 31 moves to step SP36 and transfers the pad number data P
Using the ADNO and the previous operation pad number data MINPD as address data, the low-volume sounding coefficient data table register REG23 storing the low-volume sounding coefficient data table DMTBL in the table memory 32A (Fig. 10) is output from the low-volume sounding register register REG23. _Read coefficient data D _{( PADNO ) ( MINPD )} for use.

This low volume pronunciation coefficient data D _{( PADNO ) ( MINPD )} is
When a jumping vibration is generated from another pad with respect to the pad whose peak has been detected, it represents a coefficient for determining the volume at which a small volume is pronounced depending on which pad gives the jumping vibration, The low-volume sounding coefficient data D _{( PADNO ) ( MINPD )} read from the low-volume sounding coefficient data table DMTBL is written in the jumping sound volume register REG6 (FIG. 5) as the jumping sound volume coefficient data DMRATIO.

In the case of this embodiment, the jumping sound volume coefficient data D _{(
PADNO ) ( MINPD )} is, for example, as shown in FIG. 16 for the first pad PAD1, the jumping sound volume coefficient data D _{1 2} and D _{2 1} between adjacent second pads PAD ₂ as D _{1 2} = The third pad PAD3 using D _{2 1} = 1/10
The fourth pad PAD4 using the jump sound volume coefficient data D _{1 3} = D _{3 1} = 1/20 as the jump sound volume coefficient data D _{1 3} and D _{3 1.}
The fifth pad PAD5 using the jumping sound volume coefficient data D _{1 4} and D _{4 1} between D _{1 4} = D _{4 1} = 1/10
Using the jumping sound volume coefficient data D _{1 5} , D _{5 1} and D _{1 5} = D _{5 1} = 1/16, the jumping sound volume coefficient data D _{1 6} and D _{6 1} with the sixth pad PAD 6 are used. Is used as D _{1 6} = D _{6 1} = 1/20.

In this way, the pad PAD1 that detected the peak occurrence
Based on the fact that the closer the pad is to the pad, the greater the influence of the jump vibration is, it is possible to assign the larger coefficient data as the jump sound volume coefficient data D _{( PADNO ) ( MINPD )} by It is possible to make a special sound of a volume having a sounding effect similar to the jumping sound that occurs in a musical instrument.

When the processing of step SP36 is completed, the CPU 31 multiplies the peak level data ADVAL by the jump sound volume coefficient data DMRATIO in the next step SP37, and the multiplication result is used as jump sound level data DMADVL to jump sound level data register REG7 (fifth). (Fig.)

Subsequently, the CPU 31 proceeds to step SP38, where the pad number data PADNO stored in the pad number register REG2 is stored.
And the jumping tone level data DMADVL held in the jumping tone level register REG7 together with the key-on signal KON as rhythm-on occurrence information S31.
G) Send to 35. At this time, the musical tone signal generator (TG) 35 sends the musical tone signal S32 to the sound system 36 so that the percussion instrument sound corresponding to the pad number data PADNO jumps to a special tone with a small volume determined by the tone level data DMADVL.

In this way, the CPU 31 ends the processing of the jump vibration processing loop LP3, and returns from the step SP39 to the main routine.

[5] Operation of the first embodiment In the above configuration, the CPU 31 operates the past pad when the peak is detected at the present time t ₀ based on the performance operation information signal S1 sent from the pads PAD1 to PAD6. The pronunciation of the percussion instrument sound is controlled in different control modes depending on the state, that is, the status "0", "1", and "2".

(1) In the case of status “0” In this case, as described above with reference to FIGS. 8 (A1) and (A2), the pad in which the peak is detected within the first reference time TR1 from the current time t ₀ Regarding the fact that the performance operation is not performed within the first reference time TR1, the sound is ready to be sounded whenever the performance operation is performed.

At this time, the CPU 31 determines that the pad-on interrupt routine RT1
After writing pad number data PADNO and peak level data ADVAL to the pad number register REG2 and peak level register REG1, respectively, in steps SP11 and SP12 that compose the performance operation information acquisition processing loop LP1 of FIG. For the pad operated immediately before other than the pad in step SP13, the immediately previous operation pad time interval data MINLAP and the immediately previous operation pad number MINPD representing the operation time interval with the pad are detected, and the immediately previous operation pad time interval data MINLAP is detected. 3 standard time TR3 (=
5 [ms]) or less is confirmed in step SP15, jumping vibration from the immediately preceding operation pad may occur. Therefore, in step SP16, the jumping vibration detection coefficient data KDATA is stored in the jumping vibration detection coefficient register REG3. Hold.

Here, when the pad is operated normally at the current time t ₀ , the peak level data obtained from the pad
Since the value of ADVAL is quite large, CPU31
It is detected in SP17 and the process proceeds to the tone generation processing loop LP4.

At this time, the CPU 31 detects in step SP21 that the status is "0", and then in step SP22,
The first reference time TR1 in the elapsed time data LAPCTR (PADNO)
(That is, by setting the value 15 of 15 [ms]) to start the timing operation of the first reference time TR1 and
In step SP23, as shown in FIG. 17, percussion instrument sound is generated in the tone signal generator (TG) 35 based on the pad number PADNO and the peak level data ADVAL.

In this way, in the status "0", the CPU 31 immediately generates the corresponding percussion instrument sound when the pad is operated for performance, and is in the status "1" state in which the elapsed time for the first reference time TR1 is measured. (Set in (B1) and (B2) of FIG.

(2) Status "1" Peak interrupt signal S13 in status "1"
As described above with reference to FIGS. 8 (B1) and (B2), the CPU 31 generates the percussion sound corresponding to the peak detection by performing the second peak detection at the current time t ₀ as described above with reference to FIGS. The timekeeping operation of the second reference time TR2 is started.

That is, when the peak detection interrupt S13 occurs, the CPU 31 causes the pad number data PADNO and the peak level data ADV in the performance operation information acquisition processing loop LP1 (FIG. 6).
After holding AL in the register 34A, the immediately previous operation pad detection processing loop LP2 is executed.

Here, if the peak detection occurring at the current time t ₀ is based on the regular performance operation for the pad, the CPU 31 performs the same processing as described above for the status “0” in the immediately preceding operation pad detection processing loop LP2. It executes and enters the tone generation processing loop LP4.

Here, when the CPU 31 determines in step SP21 that the past state is the status "1", step SP25
Sound level data ADATA (PADNO) and elapsed time data LAPCTR (PADN held in register 34A at
O) using coefficient data table DCTBL for self-vibration detection
From Fig. 13 and Fig. 14, self-vibration detection coefficient data DV
_{(ADVAL) (1 5 - LAPCTR} ) reading the register 34A This compares the self-oscillation detection data DCVAL and peak level data ADVAL was retained as a self-vibration detection coefficient data DCVAL in (step SP26).

If the peak level data ADVAL is large, as shown in FIG. 18 (A), the peak detection state generated at the present time t ₀ is based on the self-vibration caused by the performance operation of the pad in question. Therefore, the CPU 31 sounds the percussion instrument sound designated by the pad number data PADNO at the sound volume of the peak level data ADVAL in steps SP27 and SP28, and outputs the pad status data PDKON as status. 2 "data and set the second reference time TR2 (that is, 30 [ms]) to the elapsed time data LAPCTR (PADNO).

Thus, the pad in the status "1" is the first
When the second performance operation is performed during the reference time TR1 of, the percussion instrument sound corresponding to the pad is generated.

On the other hand, when the peak level data ADVAL is smaller than the self-vibration detection data DCVAL held in the self-vibration detection data register REG8 for the pad where peak detection has occurred, as shown in FIG. 18 (B). Since the peak generated at the time t ₀ is not self-oscillation, the CPU 31 terminates the pad-on interrupt routine without making a sound for the pad number data PADNO by jumping the processing of steps SP27 and SP28. .

(3) Case of status "2" When a peak is detected in the status "2" described above with reference to FIGS. 8 (C1) and (C2), the CPU 31 performs the performance operation information processing loop LP1 and the immediately preceding operation pad detection processing. After the processing of the loop LP2 is executed, it is determined in step SP21 of the tone generation processing loop LP4 that the state of the pad is the status "2".

In this case, as shown in FIG. 19, the peak detected at the current time t ₀ occurs during the second reference time TR2, and since a normal playing operation by the stick cannot be actually performed, the CPU 31 Ends the pad-on-interrupt routine without performing sound generation processing.

(4) Jumping vibration When it is judged that the vibration of the relevant pad in which peak detection has occurred in the past operation status or status "0" is small, CP
U31 performs a special sounding control that produces the same effect as the jumping sound in a natural musical instrument by sounding at a low volume.

That is, the CPU 31 registers the pad number data PADNO and the peak level data ADVAL in the performance operation information acquisition processing loop LP1 of the pad-on interrupt routine RT1 in the register 34.
It is determined that the vibration is a jumping vibration in step SP17 of the operation pad detection processing loop LP2 immediately before being captured in A.
Incidentally, since the vibration of the pad (peak level data ADVAL) is small, the ratio ADVAL / ADATA (MINPD) becomes smaller than the jump vibration detection coefficient data KDATA during the immediately preceding operation pad. That is, when a pad other than the peak detection pad is operated, as described above with reference to FIG. 12, the _pad reaches a vibration damped at a rate of K _{( PADNO ) ( MINPD )} , but the damped vibration. If the ratio of the vibrations currently generated is smaller, it may be determined that the vibration is a jumping vibration.

At this time, the CPU 31 determines in steps SP36, SP37, and SP38 that
The corresponding jump sound volume coefficient data D _{( PADNO ) (} from the low volume sound coefficient data table DMTBL (Fig. 15) _{)
MINPD )} to read and jump sound volume coefficient data DMRAT
It is held in the register 34A (FIG. 5) as IO and is multiplied by the peak level data ADVAL to form the jumping tone level data DMADVL.

Thus, as in the case where the past state is the status "0", in the pad where the peak is detected in the state where the percussion instrument sound is not generated, the percussion instrument sound of a small volume is generated like the jumping sound produced in the natural musical instrument. By doing so, a more natural percussion instrument sound can be generated in the sound system 36.

On the other hand, when a small vibration peak occurs in the statuses "1" and "2", the CPU 31 does not respond to this (steps SP32 and SP40) to prevent unnatural sounding. .

[6] Effect of the first embodiment According to the above-mentioned embodiment, in the jump vibration processing loop LP3 composed of steps SP35 to 40, for a pad in which a relatively small vibration peak is detected, this is referred to as jump vibration. By making a judgment and making a special sound of a low volume, it is possible to generate a percussion instrument sound having a natural feeling like a natural instrument.

Further, in the case of the above-described embodiment, the peak level data of the peak generated when the past state is the status "1" in the tone generation processing loop LP4 including the steps SP25, SP26 and SP27.
ADVAL is the self-vibration detection coefficient data DV _{( ADVAL ) (} read from the self-vibration detection coefficient data table DCTBL
_{1 5 - LAPCTR)} (i.e. self vibration detection data DCVAL)
Since the percussion instrument sound is generated only when it is larger, even if there is a peak in the same pad that should not occur if it is naturally attenuated in the same pad, the percussion instrument sound is erroneously generated based on this. It can be prevented from occurring and thus erroneous pronunciation can be surely prevented.

Further in accordance with the above embodiment, steps SP25-SP29 and
As in SP30, when the status "1" has already been pronounced once and then pronounced the second time, CPU31
Sets the value of the second reference time TR2 (for example, 30 [ms]) as the elapsed time data LAPCTR (PADNO) and sets the status "2" data as the pad status data PDKON (PADNO). As a result, it is possible to prevent the occurrence of erroneous pronunciation by preventing unnatural percussion instrument sound after the pad is repeatedly hit twice.

[7] Other Embodiments (1) In the above embodiments, the present invention is configured to be realized by control by software, but the present invention is not limited to this, and dedicated hardware may be used. May be.

(2) In the case of the above-mentioned embodiment, the algorithm shown in FIG. 6 is used as the pad-on interrupt routine, but the algorithm and the numerical value representing the method of detecting the sounding state are not limited to those in the above-mentioned embodiment. Various other things can be applied.

(3) In the above-mentioned embodiment, an embodiment in which the present invention is applied to an electronic percussion instrument has been described, but the present invention is not limited to this, and an electronic percussion instrument forming a part of an electronic or electric musical instrument such as an autorhythm device or an electronic keyboard instrument. You may make it apply.

(4) In the case of the embodiment shown in FIG. 2, the latch register 14 for latching the pad number variation data S14 and the peak value latch data S15 is provided in common to a plurality of pads PAD1 to PAD6 and operated in a time division manner. By doing so, the performance operation information of a plurality of pads is fetched, but instead of this, for example, a latch register is provided for each of a plurality of pads PAD1 to PAD6, and the latch data of each latch register is sequentially assigned in a predetermined priority order. Therefore, various modifications can be made, such as processing.

Similarly, the analog / digital conversion circuit 15 and the peak detection circuit 25 may be provided for each pad.

(5) In the above embodiment, the first, second, and third reference times TR1, TR2, and TR3 are TR1 = 15 [ms] and TR2 = 3, respectively.
The case where 0 [ms] and TR3 = 5 [ms] is selected has been described, but this time is not limited to this, and TR1 = 5 to 30 [ms], TR2
= 10 to 50 [ms] and TR3 = 2 to 10 [ms].

(6) In the above embodiment, the self-vibration detection coefficient data DV ₍ from the self-vibration detection coefficient data table DCTBL
_{ADVAL) (1 5 - LAPCTR)} is configured so as to store the self-oscillation detection data register REG8 as self vibration detection data DCVAL, instead of this, the following equation self vibration detection data DCVAL DCVAL = ADATA (PADNO) - [ 15-LAPCTR (PADNO)] ...... Level data ADATA (PADNO) at the time of sounding using the arithmetic expression of (1)
It may be calculated from (Fig. 20).

(7) In the above-described embodiment, as the configuration of the electronic percussion instrument 1, the configuration in which the plurality of pads PAD1 to PAD6 are arranged on the board 2 has been described as described above with reference to FIG.
The present invention is not limited to this, and in short, it can be widely applied to a structure in which adjacent pads are affected by vibrations when a plurality of pads are played.

(8) Pad-on interrupt routine RT1 in FIG.
In the case of the above embodiment, the determination data KDAT is used when determining whether or not the vibration is a jumping vibration in step SP17.
A is the jump vibration detection coefficient data table KTABLE
Ratio data K _{( PADNO )} for each pad from (Fig. 11 _{)
Although ( MINPD )} is read out, the same ratio data may be used for all pads instead of this.

(9) Pad-on interrupt routine RT1 in FIG.
In, per obtain sound level data DMADVL jumped at step SP37, the self-oscillation detection coefficient for each pads as shown in FIG. 13 data DV _{(ADVAL) (1 5 -
LAPCTR )} self-vibration detection coefficient data table DCTBL is provided, and data is read from this self-vibration detection coefficient data table DCTBL and the peak level data ADVAL from the pad where the peak is detected is multiplied. Alternatively, however, the low-volume sound level may be determined by performing a predetermined calculation on the peak level data ADVAL.

(10) Pad-on interrupt routine RT1 in Fig. 6
In the case of, when the low volume is pronounced, the volume is set to a value determined by the jumping tone level data DMADVL, but instead of or in addition to this, for example, a high-frequency signal component is set. Change the timbre as needed, such as by cutting (for example, by using a low-pass filter) to make the generated low-volume percussion instrument sound inconspicuous, or conversely jumping and changing to a tone-specific sound. It may be done.

When making a jumping sound, the sound level may be controlled, for example, by making the attack rate gentle.

(11) In the above-mentioned embodiment, the case where only two tones are sounded at the same time during the first reference time TR1 has been described, but the present invention is not limited to this, and a plurality of tones may be sounded. good.

In this case, if there is a pad in which peak detection has occurred for a plurality of sounds within the third reference time, special sounds may be generated for all of them.

(12) In the above-described embodiment, an embodiment in which the present invention is applied to an electronic percussion instrument has been described. However, the present invention is not limited to this, and a vibrating body is vibrated by a performance operation, such as an electronic stringed instrument. It can be widely applied to electronic musical instruments.

(13) In the above-described embodiment, as described above with reference to FIG. 18, when the self-vibration occurs in the status “1”, the peak occurrence based on the self-vibration is the first occurrence.
Reference is for a time TR1 and vibration level self vibration detection coefficient data DV read from the coefficient data table DCTBL for self vibration detection _{(ADVAL) (1 5 - LAPCTR} ) at on the basis of the self-vibration detection data DCVAL made, By determining whether or not to perform the sounding operation for the second peak detection, it is possible to prevent erroneous sounding due to self-vibration.
Instead of this, as shown in FIG. 20, self-vibration detection data
DCVAL may be calculated by using an arithmetic expression (for example, a linear expression) having the elapsed time data 15-LAPCTR (PADNO) as a variable.

(14) Also, to prevent erroneous pronunciation due to self-vibration,
As shown in FIGS. 21 and 22, when peak detection occurs within the fourth reference time TR4, it is possible not to generate sound based on the peak detection.

That is, as shown in FIG. 21, when in the state of the status "0" at time t _{1 0} previously when the peak occurs at time t _{1 0} (Figure 21 (A)), the peak detection circuit 25 As shown in FIG. 21 (B), when the peak interrupt signal S13 is generated, the CPU 31 enters the pad-on-interrupt routine RT11 shown in FIG. 22, and the pad number variation data S14 representing the pad operated and played is padded. The number data PADNO is taken into the register 34A, and the peak value latch data 14B is written into the register 34A as the peak level data ADVAL at step SP42.

Thus, the CPU 31 ends the performance operation information acquisition processing loop LP1 and proceeds to the next step SP43.

The step SP43 is a fourth reference time from the current time point t _{1 0} for the same pads of the pads of the peak detection occurs TR4
When a negative result is obtained in the step of judging whether or not the pronunciation processing is executed within (for example, 15 [ms]), this means that the fourth criterion has not been reached since the same pad was pronounced immediately before. It means that the time TR4 has not elapsed.

Actually, this fourth reference time TR4 is the mask time data MSK _(
It is held in the register 34A as _{PADNO )} and is timed by the CPU 31 by the timer interrupt routine RT2 (FIG. 7) like the elapsed time data LAPCTR (i) in FIG.

At this time, the CPU 31 shifts to step SP44 and sets the fourth reference time TR4 to the mask time data MSK _{( PADNO )} , and then at step SP45, outputs the pad number data PADNO and the peak level data ADVAL together with the key-on signal KON. A percussion instrument sound is generated in the sound system 36 by being sent to the generation unit (TG) 35.

In this way, the CPU 31 ends the pad-on interrupt routine RT11 and returns from step SP46 to the main routine.

As shown in FIG. 21 (A) In contrast, the peak interrupt signal S13 for the pads peak at time t _{1 1} before the fourth reference time TR4 after time t _{1 0} elapses occurs and When this occurs (FIG. 21 (B)), the CPU 31 executes the processing of steps SP41 and SP42 and then obtains an affirmative result in step SP43, so that steps SP44 and SP45.
The pad-on-interrupt routine RT11 is terminated without executing the processing of (1) and the process returns from step SP46 to the main routine.

When the CPU 31 detects a peak again after the fourth reference time TR4 _{(and hence the} mask time data MSK _{( PADNO )} ) has not elapsed after executing the sound generation processing once for the same pad in this way, the peak detection is performed. Controls not to perform the pronunciation processing for. As a result, for example, in an electronic musical instrument in which the pad is operated and operated by one stick, for example, the pad is operated very strongly.
Even if a peak occurs due to self-vibration, this may prevent an unnatural percussion instrument sound from being generated.

(15) In the above-described embodiment, the embodiment in which a plurality of pads PAD1 to PAD6, for example, are provided as the performance operator 3, has been shown. However, instead of this, even in the case where the number of pads is one, the above description is also made. The same effect as in the case of can be obtained.

(16) In the case of the above-mentioned embodiment, the pad PAD1 to PAD6 as the performance operator 3 is described as including the information about the strength at the time of performance operation, but instead, the pad is played. The present invention can also be applied to the case where the performance operation section is configured to detect whether or not there is an ON / OFF detection signal, for example.

〔The invention's effect〕

As described above, according to the present invention, when the same performance operator is repeatedly struck, the musical tone is not generated for a predetermined reference time after the performance operation of the second stroke, which is advantageous in a natural musical instrument. It is possible to generate a musical sound after repeated hits without giving an unnatural impression in the same manner as the generated musical sound.

[Brief description of drawings]

FIG. 1 is a flow chart showing a principle processing procedure in an embodiment of an electronic musical instrument according to the present invention, FIG. 2 is a system diagram showing an overall configuration of the first embodiment, and FIG. 3 is a pad PAD1 of FIG.
~ Connection diagram showing the performance operation information output circuit of PAD6, Fig. 4 is a signal waveform diagram showing the signals of the respective parts of Fig. 3, and Fig. 5 is the second
FIG. 6 is a schematic diagram showing a detailed configuration of a register provided in the data / working memory 34, FIG. 6 is a flow chart showing a pad-on interrupt routine, FIG. 7 is a flow chart showing a timer interrupt routine, and FIG. Is a time chart used to explain the basic control method of the CPU 31 in FIG. 2, FIG. 9 is a flow chart showing the detailed processing step of step SP13 in FIG. 6, and FIG. 10 is the program / table data in FIG. FIG. 11 is a schematic diagram showing the structure of the table memory of the memory 32, FIG. 11 is a table showing the jump vibration detection coefficient data table of FIG. 10, and FIG. 12 is a diagram showing the relationship between the data of FIG. 11 and the pads PAD1 to PAD6. FIG. 13 is a schematic diagram showing the self-vibration detection coefficient data table of FIG. 10, FIG. 14 is a schematic diagram showing each data group thereof, and FIG.
Chart showing the low volume pronunciation coefficient data table of Figure 10,
FIG. 16 is a schematic diagram showing the relationship between the data of FIG. 15 and the pads PAD1 to PAD6, FIGS. 17, 18, and 19 show the vibration states of status “0”, “1”, “2”. Signal waveform diagram,
FIG. 20 is a characteristic curve diagram showing another embodiment of the self-vibration detection data, FIGS. 21 and 22 are signal waveform charts and flow charts for explaining another embodiment of the electronic musical instrument according to the present invention,
FIG. 23 is a schematic plan view showing the structure of an electronic percussion instrument. 2 ... Board, 3 (PAD1 to PAD6) ... Performance operator (pad), 11 ... Electronic musical instrument, 14 ... Latch register, 14A ...
… Pad number variation part, 14B …… Peak value latch part, 2
5 …… Peak detection circuit, 31 …… CPU, 35 …… Music signal generator (TG), 36 …… Sound system, 37 …… Interrupt timer, 34 …… Data / working memory, 34A ……
register.

Claims (1)

[Claims] 1. An electronic musical instrument which has (a) a performance operator and generates a musical tone corresponding to an operation amount of the performance operator, and (b) a performance operation detection corresponding to the operation amount of the performance operator. And (c) sounding information is generated each time the performance operation detection information is obtained, and when the performance operator is operated continuously, the first operation to the first operation are performed. When it is detected whether or not the second performance operation is performed during the reference time, and when it is detected that the second performance operation is continuously performed, after the second performance operation, the pronunciation information of the above-mentioned pronunciation information An electronic percussion instrument comprising: a musical tone control means for prohibiting generation of the musical tone; and (d) musical tone generating means for producing a musical tone in response to the pronunciation information.