JPS58209788A - Tone controller for electronic musical instrument - 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 The present invention relates to a timbre control device for an electronic musical instrument that automatically controls the timbre of generated musical sounds.

2. Description of the Related Art Conventionally, automatic performance apparatuses that sequentially read out musical tone data recorded on a magnetic tape or the like and perform an automatic performance based on this tone data are well known. However, in such an automatic performance device, when the tone, effect, tempo, etc. (hereinafter collectively referred to as tone) are set at the beginning, this tone is inherited from the beginning to the end, and the automatic performance continues until the end. If the timbre is fixed in this way, not only will automatic performance be boring, but depending on the piece of music being played, it may even feel unnatural.

In view of the above-mentioned circumstances, the present invention provides a timbre control device for an electronic musical instrument that can automatically change the timbre of generated musical sounds as the music progresses.
In addition to recording tone information on a magnetic tape (magnetic tape, etc.), tone information is written in an internal storage section corresponding to each part of the song, and when the song starts, the tone information recorded on the external recording means is recorded. In addition, as the musical instrument progresses, the timbre information in the storage section is read out, and the timbre of the generated musical tones is controlled based on the read information.

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

FIG. 1 is a block diagram showing the configuration of an electronic musical instrument to which a timbre control device according to the present invention is applied. In this figure, reference numeral 1 is a musical score, and below the musical score 1 is a magnetic tape on which data related to the performance of the music (hereinafter referred to as performance data) is magnetically recorded in advance.Here, it is recorded on a magnetic tape 2. Performance data will be explained. FIG. 2 is a diagram showing an example of this performance data, and the data of each row is recorded in series on the magnetic tape 2 in the order of rows 3-1, 3-2, . . . shown in this diagram. In this figure, the timbre mark MT is a 2-bit mark indicating that the following data is timbre data, and the timbre data TOJ and timbre data TOM represent the timbre of a musical tone during automatic performance and the musical tone during manual performance, respectively. This data is used to set each tone. Note that manual performance refers to performance performed using the keyboard 4 (FIG. 1). The automatic performance marks M and T are 2-bit marks indicating that the following data is a key code KC indicating the note/day of the musical note and note length data DF indicating the note length (length) of the musical note.
The phrase mark PH is a 2-bit mark that indicates the delimiter of each phrase of a song. In FIG. 1, the data reading device 5 (reading means) reads each data on the magnetic tape 2 described above. At the time when the tone data TO, T and TOM shown in are read, the read data To, T
and TOM are supplied to the tape data register 6 and stored therein, and each time the key, code KO and code data DF are read, the read key code KO and code data DF are supplied to the performance data memory 7,
The write address WAD is output to the address control circuit 8. Similarly, when reading the phrase mark PH,
The phrase mark PH is output to the performance data memory 7, and the program addresses W and AD are output to the address control circuit 8.

Note that the automatic performance mark Mf is not output to the performance data memory 7.

The address control circuit 8 is composed of an address counter, a gate circuit, etc., and outputs the write address WAD supplied from the data reading device 5 to the performance data memory 7 when reading data from the magnetic tape 2. The performance data memory 7 is a RAM (random access memory), and reads the key code KO, note length data DIF, and phrase mark PH supplied from the data reading device 5 sequentially from address O based on the write address WAI). In this case, the key code KO and note length data FD are read into one address, and the phrase mark PH is read into one address. Each piece of data read into the performance data memory 7 is sequentially read out from the data at address O during automatic performance, and the key code KO is the automatic performance sound forming section IQa of the musical sound signal forming circuit (musical sound forming means) 10 and the pressed key display. The note length data 'DII+
and the phrase mark l'H are supplied to the readout circuit 12.

The readout circuit 12 controls the reading of each data in the performance data memory 7, and when the start switch 13 is turned on at the start of automatic performance and the signal RUN ("l" signal) is supplied, the readout command R8 is first issued. (pulse signal) is output to the address control circuit 8.

The address control circuit 8 receives this read command R8 and the signal R.
Upon receiving UN, the internal address counter is reset and the output of the same address kakunta is sent to the performance data memory 7.
is supplied to the address terminal AD of the address terminal AD. Thereafter, the output of this address counter is continuously supplied to the performance data memory 7. When the address "0" is supplied to the address terminal AD of the performance data memory 7, the contents of the address O of the memory 7, that is, the key code Kc and note length data DF of the first note of the song are read out, and the key code is read out. KO is sent to the automatic performance sound forming section 10a and key press display section 11, and the note length data DF
are respectively supplied to the successive circuit 12.

The automatic performance sound forming section 10g generates a musical tone signal having a pitch corresponding to the supplied key code KO and a tone specified by automatic performance tone data TOJI supplied from the tone data generation circuit 15, which will be described later. is formed and output to the speaker 17 via the amplifier 16. This is it,
The first sound of the song is generated from the speaker 17. The key press display section 11 consists of lamps (or light emitting diodes) provided near each key of the keyboard 4, and a control circuit that controls the lighting of these lamps. The lamp provided near the key corresponding to C is lit in response to the key code supplied from C.
Instruct the trainee where to operate the keys.

Meanwhile, the readout circuit 12 starts counting the tempo clock TO output from the tempo clock generation circuit 18.

Then, when the count result reaches the note length data DIF at the ninth point in time, the read command R8 is outputted to the address control circuit 8 again. Address control circuit 8 receives this read command Re and increments an internal address counter. When the address counter is incremented, the address "1" is supplied to the address terminal D of the performance data memory 7, and the contents of the memory 7 at address 1, that is, the key code KO of the second note of the song and the note length data DF. is read out, and the read key code KO is sent to the automatic performance sound forming section 10a and the pressed key display section 11, and the key code KO is also sent to the key press data D? are respectively supplied to the readout circuit 12. As a result, speaker 17
The second tone of the song is generated, and the key on the keyboard 4 is indicated by the lamp. Further, the readout circuit 12 starts counting the tempo clock TC again as in the case described above, and the count result is stored as the note length data DIF.
When the read command R8 matches the address control circuit 8, the read command R8 is outputted to the address control circuit 8 again. Thereafter, the above-mentioned operations are repeated, and thereby the music recorded on the magnetic tape 2 is automatically played.

Note that when the phrase mark PH is read out from the performance data memory 7 and supplied to the successive output circuit 12, the readout circuit 12 outputs the phrase pulse FH'P to the t-color data generation circuit 15, and also sends the read command R8 under address control. Output to circuit 8. After that, automatic performance continues. Phrase pulse PHPK will be detailed later.

Next, key switches for detecting key operations are provided corresponding to the valley keys of the keyboard 4, and the output ρ of each key switch is supplied to the key switch circuit 20, respectively. The key switch circuit 20 detects a key in the on state by scanning the output of each key switch at one foot cycle, and supplies the key code KO of the key to the manual tone forming section tab of the musical tone signal forming circuit 10. , to the tone data generation circuit 15, and also provides a key-on signal KON(
'1'' signal) to the tone data generation circuit 15.The manual tone forming section 10b outputs the supplied key code KC.
A musical tone signal having a tone ^ corresponding to the tone data TOMI supplied from the tone data generation circuit 15 is formed, and is transmitted to the speaker 17 via the amplifier 16.
supply to As a result, a musical tone (manual tone) corresponding to the key operation on the keyboard 4 is generated from the cusp beaker 17.

Next, the timbre data generation circuit 15 will be described in detail. Third
The figure is a block diagram showing a detailed example of the tone data generation circuit 15. In this figure, the terminal τ1 is the terminal to which the tone data TO, T and TOMJj in the tape data register 6 are supplied, and the terminal is Tone color data TOJ output from the tone selection switch circuit 22 (Fig. 1)
This is a terminal to which both TOM2 and TOM2ρ1 are supplied. Here, in this electronic musical instrument, a timbre selection switch row for automatic performance sounds and a timbre selection switch row for manual sounds are respectively provided on the panel surface, and the timbre selection switch circuit 22 is connected to the automatic performance sound currently being operated. generates tone data To and T2 in response to the output of the tone color selection switch;
Further, tone color data TOM2 is generated in response to the output of the tone color selection switch for manual tone, and each of the generated tone color data T OJ2 and 70M2 is sent to the tone color data generation circuit 15.
is supplied in parallel to the terminal T2 of the terminal T2. Next, terminal T is a terminal to which the key code KC and key-on signal KONF% are supplied from the key switch circuit 20, and terminal T4 is a terminal to which the output signal BfuT of the tone data writing switch 23 (FIG. 1) is supplied. , is the phrase pulse P from the readout circuit 12
HP 7J=supplied terminal, terminal T, is the terminal supplied with the output signal RUN'l)i of the start switch 13,
Also, terminal T is tone data TOJI.

These are terminals from which TOMIρ is output.

This timbre data generation circuit 15 generates timbre data TO.
J and TOM or tone data TOJ2 and 7
The data is outputted to the tone signal forming circuit 10 via the terminal T as 0M2 or tone color data TOJI, TOMI set in advance in the tone data memory 24 (storage section).

In this case, timbre data is written in the timbre data memory 24 in advance in correspondence with each phrase of the song. That is, timbre data for setting the timbre of the generated musical sound in the first phrase, second phrase, etc. of the music piece is written in the θ address, 1 address, . . . of the timbre data memory 24, respectively. Keep it packed.

The operation of this tone data generation circuit 15 will be explained in detail below. First, the case of writing timbre data to the timbre data memory 24 will be explained. In this case, the operator (practitioner) first turns on the tone data write switch 23, sets the tone using the tone selection switch for automatic performance sound and manual tone on the panel in this on state, and then sets the tone, for example To set the tone of the three phrases, press the key marked with the symbol ■ (see Figure 1) on the keyboard 4 for a short time. When the timbre data writing switch 23 is turned on, the signal SE'Jlf"l' becomes the signal, and this "1" signal is supplied to the input terminal of the differentiation circuit 270 and one input terminal of the AND gate 28.The input terminal of the differentiation circuit 270 ``1'' to the end
When a signal is supplied, the differentiating circuit 27 outputs a pulse signal at the rising edge of the differential circuit 27, and supplies it to the reset terminal R of the address color/receiver 30 via the OR gate 29, and also outputs a pulse signal to the reset terminal R of the address color/receiver 30, and also outputs a pulse signal at the rising edge of the differential circuit 27. 310 to the set terminal S. As a result, the address counter 30
is reset, and Fp31s> is set. F
When F31 is set and a 61" signal is output from its output terminal Q, the AND gate 32 becomes open and the output of the inverter 33 becomes a 0" signal. The output of this inverter 33 is the enable terminal KN of the gate circuit 34.
and is supplied to the other input terminal of AND gate 28.

The gate circuit 34 becomes open when a '1' No. 8, va signal is supplied to its enable terminal EN, and closes when a '0' signal is supplied, and when the output of the inverter 33 becomes a '0' signal. , the gate circuit 34 is closed, and data r - OJ xr is input to the input terminal N of the tone data memory 24.
= supplied. On the other hand, when the 'O' signal is supplied to the other input terminal of the AND gate 28, the output of the AND gate 28 becomes the 4'''0'' signal, and this 00'' signal is supplied to the terminal 8A of the selector 35. Ru.

When the "0" signal ρ≦ is supplied to the terminal SA of the selector 35, the selector 35 supplies the data supplied to its input terminal B, that is, the count output of the address counter 30, to the address terminal AD of the tone data memory 24. .

In this way, the switch 23 is turned on, and the signal sx
When the 'rpi"t" signal rises, the AND gate 32 becomes open at this rising time, data rOJ,v= is supplied to the input terminal TN of the tone data memory 240, and the address counter 30 is reset and its The count output "0" is supplied to the address terminal AD of the timbre data memory 24.

Then, when the AND gate 32 becomes open, the system clock φ (for example, 1M11z) ρ1 AND gate 3
2, and is supplied to the clock terminal OK of the address counter 30 via an OR gate 37, and is also supplied to the write terminal WT of the tone data memory 24 via an OR gate 38. As a result, the address terminal AD of the tone data memo IJ24 is
O”.

"1", "2", etc. are supplied sequentially, and each time the address supplied to the address terminal AD changes,
A write pulse is supplied to the write terminal WT. As a result, the data "0" output from the gate circuit 34 is sequentially written into each address of the timbre data memory 24. At the same time, the timbre data memory 24ρ1 is cleared. Then, the address counter 300 count output ρ1 becomes “0” again.
At the time of returning to , a pulse signal is output from the address end terminal Al of the address counter 30 and is supplied to the reset terminal R of the FF 31.
millimeter is reset, and a 10" signal is output from its output terminal Q. As a result, the AND gate 32ρi is closed, and the output of the system clock φ is therefore stopped.
Further, the output ρA of the inverter 33 becomes the “1” signal. When the output of the inverter 33 becomes the "1" signal, the gate circuit 34 becomes open. Also, the "1" signal is supplied to both input terminals of the AND gate 28, and the selector 3
The "'1" signal is supplied to terminal SA of No.5.

As a result, the selector 35 selects the key code/address conversion circuit (hereinafter referred to as IC/M D) supplied to its input terminal A.
The output of 40 (abbreviated as conversion circuit) is stored in timbre data memory 2.
4 address terminal AD.

Thus, the above operations are performed substantially simultaneously when the operator presses the timbre data writing switch 23.

Next, when the operator presses the switch 23 and sets a tone using the automatic performance sound and annual sound tone selection switches, the tone selection switch circuit 22 outputs tone data 'royz and 'r corresponding to the set tone. O
M22s is output at the terminal! The signal is supplied to the gate circuit 34 via. The gate circuit 34 receives this tone data To, T.
2, add a change flag ``1m'' to TOM2 and output it to the input terminal N of the tone data memory 24.The change flag ``1'' will be explained later.Next, the operator, for example, on the board 4 When the key with the code ■〃1 is pressed for a short time, the key code KO and the key-on signal woN (,, "1" signal) corresponding to the key are output from the key switch circuit 20, and the terminal T3 for the key code KOρ is output. via K
The signal is supplied to the C/AD conversion circuit 40, and is also supplied to the differentiation circuit V641 via the key-on signal KONρ terminal Ts. The Kc/A/D converter circuit 40 is a circuit that converts the supplied key code KO into an address in the tone data memory 24, and it is a circuit that converts the supplied key code KO into an address of the tone data memory 24, and it is a circuit that converts the supplied key code KO into an address of the tone data memory 24, and it is a circuit that converts the supplied key code KO into an address of the tone data memory 24. When the code KOρ is supplied respectively,
Corresponding to these key codes KOK are addresses rO'', r
lJ, "2", . . . are output respectively. Once, when the key code KOρ island of the key with the symbol ■ is supplied to the Kc/A/D conversion circuit 40, the KO/A
Address “2” is output from the D conversion circuit 40 and sent to the address terminal A of the tone data memory 24 via the selector 35.
Supplied to D.

As a result, the 2ti pitch of the tone data memory 24 is changed.

On the other hand, when the key-on signal XONρ-% is supplied to the key-on circuit wr41, the differentiating circuit 41 outputs a pulse signal at the rising edge of the key-on signal KON, and supplies it to the pledge terminal WT of the tone data memory 24 via the OR gate 38. . As a result, the output data of the gate circuit 34, that is, the timbre data TOJ2,
TOM2 and change 7 lag ``'1'' are written.

Next, operate the tone selection switch on the panel again for @ρ.
22, and then press the key marked with the symbol ■ on the silver board 4. In exactly the same way as in the case described above, the tone set in the four fields of the tone data memory 24 will be set to the same tone. Tone data corresponding to TOJ2, TOM2
and the change flag "l"ρ is written. The other 11 buds in the timbre data memory 24 are exactly the same. For example, if the second and third phrases of a song have the same tone, there is no need to store the tone data in the musical tone data memory address 2402 (corresponding to the tone of the third phrase).

Next, the tone data generation circuit 1 during automatic performance of music
The operation of step 5 will be explained. In the following explanation, the fourth
As shown in the figure, timbre data A for automatic performance sounds and timbre data Bρ1 for manual performance sounds are stored in the timbre data memory address 2401, and timbre data C for automatic performance sounds and timbre data Bρ1 for manual performance sounds are stored in three locations. It is assumed that each tone color data Dρ is written. First, when the start switch 13 shown in FIG. 1 is turned on, the signal RUN
, ZIA"l" signal, this "'1" signal is supplied to one input terminal of the AND gate 42 and the input terminal of the differentiating circuit 430 in FIG. When a "1" signal is supplied to one input terminal of the AND gate 42, the same AND gate 427)S becomes open, and when a 'l' signal ρ is supplied to the input terminal of the differentiating circuit 430, the At the time of rising, the differential circuit 43 outputs a pulse signal RUNP ('''1''), v1. This pulse signal RσNF is sent to the reset terminal R of the address counter 30 via the OR gate 29, and as a result, Address counter 30 is also reset. Further, this pulse signal RUNP is supplied to terminal T& of pulse holding circuit 45.

The pulse holding circuit 45 uses the system clock φ27 described above.
It is composed of DFFs (D-type flip-flops) 46 to 48 and various gate circuits that are supplied to the island clock terminal, and when the pulse signal ρ is supplied to the terminal Ta, DF746ρ1 is set, while D I'
F47*482s is reset, and when a pulse signal is supplied to the terminal Tt+, DFF47 is set, while DIPIP46.48ρ is reset, and when a pulse signal ρ-Fi- is supplied to the terminal Tc, DFF47 is set.
While PIF 4 B 2h is set, DFF 46.
47 or reset. That is, terminal 'f1s, To
When the ``O'' signal is supplied to the terminal ('
When a pulse signal RσNF ('1'' signal) is supplied to a, this 9-pulse signal RUNP is sent to D via an OR gate 49.
It is supplied to the input terminal of IPF46, and thereby DFF46
It is read as “1” (D?? Set on 46 pa). On the other hand, pulse signal RTlrN to terminal Ta
When the P and MA information is supplied, the output of the NOR gate 50 which takes the NOR of each signal at the terminals T&~TO is the pulse signal R [pulse of TNP and Flj.
The O'' signal is supplied to one input terminal of each of the AND gates 51 to 53.In this case, the output ρ4 of the AND gates 52 and 53 and the O'' signal are supplied to the OR gate 5.
Since the output ρ of 4.55 is 0" signal, this "'0"
'0'';1'' are read into DF'F47゜48 (D
FF47.48 is set). Next, when the pulse signal RffNP returns to 1 "0" signal, the NOR gate 50
The output l)h is the “l” signal and the AND gate 51~
53. Both vA are in the open state. This rice supply, DFF46~
Each output ρ1 of 48 is supplied to each input terminal of DF746 to 48, and thereby the stored contents of each DIPIF 46 to 48 are held until the next time the pulse signal ρ4% is supplied to either terminal Tb or Tel. be done. Terminal 7b, To
The case where the pulse signal 2+1 is supplied is also produced in the same way as the case described above.

Next, the DFF set by the pulse signal RUMP
46 output signal 01” and reset DFIF4
The output signal "0" of 7.48 is sent to the terminals SA, SB of the selector 25 via the terminals Ta to Tf of the pulse holding circuit 45, respectively.
, So. The selector 25 has its input terminal A,
The data supplied to BO is connected to terminal BA-EC.
It selectively selects and outputs the signal based on the signal supplied to the input terminal A, and when the "1" signal is supplied only to the terminal S, the data obtained at the input terminal A, that is, the tape data The timbre data TO, T, and TOM output from the register 6 (Fig. 1) are each timbre data 'r oJ.
l.

It is output as TOMI and supplied to the musical tone signal forming circuit 10 via terminal T.

In this way, the start switch 13 is turned on and the signal R
When the TTNkA"1" signal rises, first, the tone data To, T, 'rOM21 in the tape data register 6 are supplied to the musical tone signal forming circuit 10 as tone data TO, T1, TOMI, respectively. It corresponds to the timbre of one phrase's automatic performance sound or the timbre data TOJ, and is round. Also, during the automatic performance of this first phrase, the practitioner 7
When you operate each key of J key [4], tone data TOM
A -q natural sound of color t corresponding to the color t is generated from the speaker 17.

Next, when the automatic performance of the music piece is repeated one cycle and the automatic performance JL2' of the first phrase is completed, the phrase marks PH and Pa are taken out from the performance data memory 7 at the time of completion and supplied to the retrieval circuit 12. As a result, the phrase pulse P HP l)i is output from the successive circuit 12, and the terminal l11
5 (third input) to the other input terminal of the AND gate 42. At this time, the signal RUN (l'' signal) 711i% is supplied to one input of the AND gate 42, and the 7 raze pulse PHP is supplied to the AND gate 42.
2 and is supplied to the clock terminal 'GK of the address counter 30 via the OR gate 37.
Acupuncture is applied to one input end of AND gate 58. Phrase pulse P to clock terminal GK of address counter 30
HP;v11y<When supplied, address counter 3O,
, a is incremented, and its output ρ is "l"
This output “1” is supplied to the address terminal AD of the timbre data memory 24 via the sword selector 35. Accordingly, 1itj1 of the tone data memory 24
The contents of 1L, that is, the tone data A and B shown in FIG.
and change flag "1" is issued one after another, change flag "1"
The signals 19, 19, and timbre datum are supplied to the other input terminal of the gate 58 and to the input terminal of the timbre datum B or latte 59, respectively. When the change 7 lag "'1" is supplied to the other input terminal of the AND gate 58, the Oka AND gate 58P becomes open, and at this point, the 7 lag pulse PH1? It is output as the island Hals signal Pi and is supplied to the load terminal LD of the latch 59 and the terminal Te of the pulse holding circuit 45. As a result, the tone datum and BP are loaded into the latch 59, and the read t-datum and B
, is supplied to the input terminal C of the P selector 25, and is also supplied to the DF? of the pulse holding circuit 45. “0” and “0” for 46 to 48 respectively
”, “l゛” are read and each read signal is supplied to the terminal BAS-130 of the selector 25. Then, when the “1” signal is supplied only to the terminal SG of the selector 25, The timbre datum B supplied to the selector 25 or input terminal C is the timbre data TOJI and TOMI, respectively.
and outputs it to the musical tone signal forming circuit 10 via the terminal 7.
to pay. As a result, the timbres of the automatic performance sound and the manual sound of the second phrase of the song correspond to the timbre data A and B, respectively.

Next, the automatic performance pλ of the second phrase of the song progresses, and the next phrase mark PHρ) is sequentially outputted from the performance data memory 7, whereby the continuous output circuit 12 outputs the phrase pulse PH.
1" is output again, the data "0" in address 2402 and the change flag 10" are read out in the same way as in the case described above, and are sent to the input terminal of the latch 59 and the other input terminal of the AND gate 58. However, in this case, the AND gate 58 does not open because of the change 7 lag〃・'0'', and the pulse signal P1ρ1 is not output from the AND gate 58 because v> Neither the output of the latch 59 nor the output of the pulse holding circuit 45 changes. That is, the timbres of the automatic performance sound and manual sound of the third phrase of the song are the same as the timbre of the second phrase. Thereafter, the above-described process is repeated.

For reference, the following table shows the timbre data that determines the timbre of the valley phrase of the song in the above-mentioned case.

Next, a case will be described in which the tone selection switch facing the practice $274 panel is operated during the progress of a piece of music. When the tone color selection switch for automatic performance sound or manual sound on the training panel is operated and the tone color data TOJ26 or 70M2 changes, the switch data change detection circuit 61 (detection means) (detection means) (Fig. 3) This change is detected and the pulse signal P2 is sent to the terminal 'lb of the pulse holding circuit 45. Due to this, DF? 46-48
From 0″,″lie, I? 0#l or each is output,
The signals are supplied to the electronic S-80 of the selector 25, respectively. When the @1″ signal is supplied only to the terminal 8B of the selector 25,
The tone data TOJ2 and TOM2 supplied to the input terminal B of the selector 2527A are respectively supplied to the musical tone signal forming circuit 10 via the filter T7. In other words, if the tone selection switch is operated during the progress of a piece of music, the tone selection switch circuit 2 is operated until the phrase ends.
The tone of the song is determined by the tone data TOJ2 and TOM2 output from the two. Then, after the next 7-ray mark PKI)i is read out from the performance data memory 7, the tone color ρ1 of the song is determined again based on the tone color data in the tone color data memory 24.

The above is the details of one embodiment of this invention. In addition, in the above-mentioned example, the key! The address of write A#iif of the timbre data memory 24 is specified by the key No. 14, and instead of this, the phrase number of the phrase specified by the key is stored in the timbre data memory 24 along with the timbre data. The tone data may be obtained by scanning each phrase number in the tone data memory 24 at the time of reading. In the above-mentioned embodiment, tone data is stored in the tone data memory 24 in units of phrases, and valley data in the tone data memory 24 is generated based on the phrase mark PH, for example. Tone data is stored in measure units in the tone data memory 24, and when read out, the tempo clock T is set.
It is also possible to detect the bar break by counting O, and read out each data in the timbre data memory 24 according to the result of this detection.

As explained above, according to the present invention, tone information is recorded in advance on an external recording means (for example, the magnetic tape 2 in FIG. 1), and each piece of music is stored in an internal storage section (tone data memory 24). timbre information is written in correspondence with the part, and at the start of the music, the timbre of the generated musical sound is controlled based on the timbre information recorded in the external recording means;
As the music progresses, the timbre information in the # storage section is read out one after another, and the timbre of the generated musical tones is controlled based on this read information, so the timbre of the generated musical tones can be automatically changed in the desired order. It becomes possible. Further, according to the present invention, since the part of the music corresponding to the timbre information is specified by the keys on the keyboard, there is an advantage ρ1 that it is not necessary to provide switches for specifying the part of the music. Furthermore, according to the present invention, after the time when the operation state of the tone color selection switch on the panel changes, the tone 1'i! corresponding to the output of the same tone color selection switch! Since the information is supplied to the musical tone forming means, it is possible to arbitrarily change the tone color during the progress of the musical piece.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.
FIG. 2 is a diagram showing an example of the storage contents of the magnetic tape 2 in the same embodiment, FIG. 3 is a block diagram showing a detailed example of the timbre data generation circuit 15 in the same embodiment, and FIG. 4 is a diagram showing the timbre data in the same embodiment. This is an example of tone data stored in the data memory 24. 2... External recording means (@Stape), 4... Keyboard,
5... Reading hand (data reading device), 10... System sound forming means (system sound code formation circuit), 24... Memory S (
tone color data memory), 61... detection means (switch data change detection circuit). Applicant Nippon Musical Instruments Co., Ltd. Agent Patent Attorney Masatake Shiga −゛1. of

Claims (3)

[Claims] (1) In an electronic musical instrument having a keyboard and a musical tone forming means, an external recording means in which timbre information is recorded in advance, a reading means for reading out the timbre information recorded in the external recording means, and a readout means for reading out the timbre information recorded in the external recording means, a writing means for storing timbre information in a storage unit in association with each part of the music; and supplying tone information sequentially read out by the reading means at the start of the music to the musical tone forming means, and as the music progresses; A timbre control device for an electronic device, comprising timbre control means for sequentially supplying timbre information written in the storage section to the tone forming means in correspondence with parts of a musical piece. (2) The writing means is configured to designate each part of the musical piece corresponding to the timbre information using a key on the keyboard, the timbre of an electronic musical instrument according to claim 1. Control device. (3) The timbre control means includes a timbre selection switch and a detection means for detecting a change in the operating state of the timbre selection switch, and when a detection signal is output from the detection means, it is written in the storage section. Claim 1, characterized in that timbre information corresponding to the output of the timbre selection switch is supplied to the musical tone forming means in place of the timbre information stored therein or the timbre information successively read out by the reading means. 2. A timbre control device for an electronic musical instrument according to item 1 or 2.