JP3092588B2 - Music generator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tone generator for generating a tone of a designated timbre type and generating a tone of a timbre type based on other timbre information that can be substituted.

[0002]

2. Description of the Related Art Conventionally, in a tone generating apparatus provided with a tone generating means for generating a tone of a tone type designated by tone color information, a tone generating apparatus supplies tone tone information designated from the outside to the tone generating apparatus. It controls the timbre type and the like of musical tones generated by the apparatus. Some of such tone generators have a wide variety of timbre types, and some have only a small number of timbre types. By the way, when a tone generator that has only a small number of tone types is supplied with tone information that cannot be pronounced by itself, the tone cannot be pronounced with the designated tone type, but the tone is in spite of being instructed. Since no tone generation is unnatural for a tone generator, as described in Japanese Patent Publication No. 4-7519, when a tone type that cannot be pronounced is specified, the specified tone color is not specified. It has been practiced to change the data to tone data that can be pronounced on its own.

[0003]

The tone generating means of the tone generating means of the tone generating apparatus includes a conventional FM synthesis method and a waveform memory reading method, and further calculates a physical behavior of the musical instrument to generate a tone. Recently, a so-called physical model sounding method has been proposed. As a musical tone generator of this physical model type, a wind instrument type is disclosed in Japanese Patent Laid-Open No. 3-65999, and a piano type is described in Japanese Patent Laid-Open No. 3-58096. This physical model method is superior to the conventional sound generation method in the range of change in tone color type, and can generate high-quality musical sounds.

[0004] Also, an MID that defines the exchange of signals between MIDI devices such as a tone generator having a MIDI function.
In the I (Musical Instruments Digital Interface) standard, by unifying the number of tone types recently,
Tone arrangements have been proposed that aim to reproduce almost the same music in any manufacturer's system. The arrangement of the tone colors is based on a waveform memory sound source capable of preparing a large number of waveform sets relatively easily, and it is assumed that the tone colors are uniform in a certain range.

However, in the above-described sound source of the physical model sounding method, when simulating a musical sound of an existing musical instrument, sampling is not performed as in the waveform memory method, but a tone generating mode (strapping, bowing, lead). Etc.), and it is not good at preparing a wide variety of tone types. Therefore, when a sound source of the waveform memory type and a sound source of the physical model type are combined, a high-quality musical tone can be generated by generating a specific tone type by the physical model type and generating the other types by the waveform memory type. Will be able to do.

When such a high-quality tone is generated by a single tone generator, a specific tone type may be changed according to the settings of the player. If the tone type of a conventional sound source is specified, even if a high-quality sound source is equipped, the specified conventional sound source generates a tone and sounds Will be done. To avoid this, it is conceivable that the tone table is shared between the conventional tone generation method and the high-quality sound source,
Since some waveform memories or the like have already recorded waveforms, they are not used, resulting in waste. Further, there is a disadvantage that the configuration of the table becomes complicated. Also, as will be described later, even in the simulation of the same musical instrument, the conventional sound source system may be superior depending on the usage, and it is desirable to provide a tone color table for each musical tone generation system.

Accordingly, the present invention provides a method for substituting the tone of the accepted tone color information even if the tone of the accepted tone color information can be produced by one musical tone generating means when it is determined that there is another substitute tone color information. It is another object of the present invention to provide a tone generating apparatus in which a tone of a tone type specified by other tone color information is generated by another tone generating means.

[0008]

In order to achieve the above-mentioned object, a musical tone generating apparatus according to the present invention generates musical tones of a timbre type designated by timbre information, and generates musical tones under different tone generation conditions.
In a tone generator including a plurality of tone generators capable of generating musical tones, a receiving unit for receiving the timbre information, and for the timbre information received by the receiving unit, other timbre information that can be substituted for the timbre information may be used. Discriminating means for discriminating whether or not there is, and when the discriminating means determines that there is another timbre information which can be replaced, the tone of the timbre information received by the receiving means is transmitted to the plurality of sound sources.
Even if it is possible pronunciation in one of the sound source means of the means,
And processing means for sound tones of tone color kinds designated by the alternative other tone color information in another tone generator of said plurality of tone generator, said tone color information, a plurality of bar
First sound that designates one of the banks
Color designation data and any one tone type in the bank
And second tone color designation data for
And specified by the second tone color specifying data.
The timbre type is the same timbre type in the plurality of banks.
And the processing means outputs the other replaceable sound.
Tones of the timbre type specified by the color information
When sound is generated by other sound source means,
Only the first tone designation data
Are changed to the other timbre information .

Another musical tone generating apparatus according to the present invention, which can achieve the above object, generates musical tones of a timbre type specified by timbre information, and generates musical tones under different tone generation conditions.
In a tone generator including a plurality of tone generators capable of generating a sound, a receiving unit for receiving the timbre information, and for the timbre information received by the receiving unit, other timbre information that can be substituted for the timbre information is used. First determining means for determining whether or not there is, and determining whether or not the timbre information received by the receiving means is permitted to be replaced with other timbre information which can be replaced with the timbre information. The second discriminating means and the first discriminating means determine that there is another timbre information which can be replaced, and the second discriminating means determines that the substitution is permitted. to, even if the tone of the tone color information accepted by the acceptance unit can be pronounced in one tone generator <br/> among the plurality of tone generator, designated by the alternative other tone color information Wherein the plurality of sound sources hand timbre kinds of musical tones
Processing means for sounding by another sound source means of the stage , wherein the timbre information is stored in one of a plurality of banks.
First tone designation data designating two banks, and
A second tone specifying one of the tone types in the link
And the second sound
The tone type specified by the color specification data is
The same tone type is set in the bank,
The means is specified by the alternative timbre information.
A tone of a timbre type is output from another of the plurality of tone generators.
Means that the received timbre information is
The other timbre information differing only in the first timbre designation data
Information .

[0010] In the musical tone generating apparatus, the processing means, said receiving means sound tone of the designated tone color kinds of the plurality by said tone color information received by the
If in unit it is not possible pronunciation, so as to sound in one of the plurality of tone generator musical tone type specified by different other tone color information from said tone color information accepted by the acceptance means You may. Further, in the musical sound generating device, the processing unit may include a receiving unit that, when a musical tone of a timbre type specified by the timbre information received by the receiving unit cannot be generated by the plurality of sound source units. May be ignored.

According to the present invention, when the timbre type is designated by the timbre information, if there is another timbre information which can be replaced, the tone of the timbre type designated by the timbre information is generated. I am trying to do it. Therefore, when replacing with high-quality timbre information, higher-quality musical sounds can be produced. Further, even when high-quality timbre information can be substituted, it is possible to prohibit the substitution of the timbre information due to restrictions on the number of simultaneous sounds and the like. This makes it possible to replace the timbre information.

[0012]

FIG. 1 is a block diagram showing a configuration example of an embodiment of a musical sound generating apparatus according to the present invention. In FIG. 1, reference numeral 1 denotes a microcomputer (CPU) for performing various controls of the tone generator by executing a program stored in a ROM 2, and 2 denotes a ROM (Preset Voice) in which programs executed by the CPU and preset voices are stored. Re
ad Only Memory), 3 is a RAM used as a working area or the like used for executing a program of the CPU 1
(Random Access Memory) 4 is a MIDI interface for sending a MIDI message created inside the tone generator to the outside and receiving an MIDI message from the outside, and 5 is a storage of a plurality of conventional tone waveforms and the like. Memory type sound sources 1 and 6 having a waveform memory
The sound sources 2 and 7 of the physical model system which generate the musical sound by calculating the physical behavior of the musical instrument set the mixing ratio and the total volume of each input sound source 1 or each tone signal generated by the sound source 2 for each channel. At the same time, a sound system 8 converts a tone signal into an analog signal and emits the sound signal. Reference numeral 8 denotes a data address bus interconnecting the above-mentioned components.

In the musical tone generator configured as described above, bank select data or program change data as timbre information is received from the outside via the MIDI interface 4, and the timbre type of the standard tone generator or the timbre type of the extended tone generator is received. An outline of the operation of the musical sound generating device when instructed will be described with reference to FIG. The standard sound source corresponds to the conventional waveform memory type sound source 1 shown in FIG.
The extended sound source is a high-quality physical model type sound source 2 shown in FIG.
Is equivalent to First, when the timbre type of the standard sound source is specified by the timbre information, it is determined whether or not there is a timbre type specified as the extended sound source. Are performed separately. That is, if there is a tone type specified for the extended sound source,
It is further determined whether the change is possible or impossible. If the change is possible, the alternative sound is performed by the extended sound source. If the change is not possible, the normal sound is generated by the standard sound source. If there is no timbre type in the extended sound source, normal sound generation is performed using the standard sound source.
It should be noted that whether or not it can be changed will be described later,
It is determined by the type of the sound source and the type of timbre.

Further, when the tone type of the extended sound source is designated, it is determined whether or not the extended tone source has the tone type.
Separate processing is performed when the extended tone generator has a designated tone type and when it does not. That is, when the extended tone generator has a designated tone type, normal tone generation is performed by the extended tone generator. If there is no tone type in the extended sound source, it is further determined whether or not there is a standard alternative tone type, and if there is a standard alternative tone type, the alternative sound is performed by the standard tone source, but there is no standard alternative tone type In this case, the instruction to change the timbre type is ignored, and the timbre type change is not performed.

As described above, the tone generator according to the present invention employs the extended tone generator as much as possible when the tone type of the standard tone generator is specified but the extended tone generator has a higher tone quality. In the case where the tone type of the extended sound source is specified, if there is no tone type in the extended sound source, the tone is generated instead of the standard tone type as much as possible. . Next, FIG. 3 shows an example of the tone color table of the tone generator of the present invention. As shown in this figure, the timbre table is two-dimensionally mapped, and the horizontal axis represents instrument types, and the vertical axis represents variation timbres of the same instrument type.

The horizontal axis of the timbre table is 0-127.
The address is given and a maximum of 128 kinds of musical instruments, for example, a grand piano (Grand Piano), a pipe organ (Pi
Pe Organ), Alt Sax (Alt Sax.), etc., can be registered, and the vertical axis of the tone color table is a group of BANK00 as a group of musical instruments provided in the waveform memory type sound source 1 and its variation tones, for example. Grand Piano (GrandPiano), Upright Piano (U
. Piano), electric piano (E. Piano) etc. can be registered up to 128 types.
As a group of K60, musical instrument types provided in the sound source 2 of the physical model system, for example, a grand piano (Grand Piano)
Piano), and a plurality of its variations are registered. Here, in BANK60,
The reason that there is no variation tone is that it is necessary to create a program corresponding to the tone generation mode as described above for a sound source of the physical model method, and it is good at preparing a wide range of tone types. It is not.

To specify a desired tone color type in this tone color table, for example, the BANK is determined by the MSB of the first byte of the 2-byte bank select data.
BA of any of 00, ..., BANK60, ...
NK is selected (however, in the configuration shown in FIG. 1,
Since there are two sound sources, BANK00 and BANK6
Only two BANKs of 0 are prepared. The LSB of the second byte selects one of the tone groups arranged on the vertical axis of the selected BANK, and further corresponds to one address on the vertical axis selected by one byte of program change data. By selecting one of a plurality of timbre types, a desired one timbre type is selected. That is, it can be said that the tone color table shown in FIG. 3 is three-dimensionally mapped.

FIG. 4 shows the change permission flag. When it is impossible to change the sound source, the change permission flag is set to "0", and when the sound source can be changed. The change permission flag is set to “1”. Since the change permission flag only needs to be set corresponding to the type of tone color, a maximum of 128 flags each corresponding to the type of tone color are set. As shown in FIG. 4, the flags of the grand piano and the pipe organ are set to "0". This generally requires that a piano or an organ simultaneously produce a large number of musical sounds at the time of performance. In the sound source 2 of the physical model system, if the number of simultaneous sounds is increased, the amount of hardware increases extremely at the current speed of arithmetic means such as a CPU and a DSP.
Although high-quality musical sounds can be generated, the number of simultaneous sounds is not increased in consideration of cost performance. Therefore, the change permission flag is set to “0” for the piano and organ tone types, and the tone type of saxophone is good because it is a musical instrument that requires a small number of simultaneous tones during performance and is good at generating musical tones of wind instruments. For, the change permission flag instructing the substitution of the sound source is set to “1”.

In the tone generator of the present invention having such a tone table and the change permission flag, the case where the tone type of the grand piano of the normal tone generator (sound source 1 of the waveform memory system) is specified as described above will be described. Then, in this case, although the extended sound source (sound source 2 of the physical model method) has a timbre type, the change permission flag is set to “0”.
Usually sounded by a sound source. As a result, the number of simultaneous sounds can be sufficiently secured, so that the performance is not hindered. When the timbre type of the alto saxophone of the normal sound source is designated, since the extended sound source has the timbre type and the change permission flag is set to “1”, alternative sound is generated by the extended sound source. As a result, high-quality musical sounds can be produced.

The operation of the tone generator of the present invention, which operates as described above, will be described in more detail with reference to the main flowchart shown in FIG. In the main flowchart, when the power of the tone generator is turned on, the main flowchart starts, and step S10 is executed.
Initializes various registers at MID
Scan of I data is performed in step S20, and M
Whether or not there is an IDI event is detected in step S30. Then, when it is detected that there is no MIDI event, the process proceeds to step S160, and the processing of the other ordinary tone generating devices is performed. Also, in step S30, MI
If a DI event is detected, the MIDI
It is determined in step S40 whether or not the event is a timbre specifying event. If it is determined that the event is a timbre specifying event, it is further determined in step S50 whether or not a standard sound source is specified.

If it is determined in step S40 that the event is not a tone specifying event, it is determined in step S130 whether or not the event is a tone generation event. A sound generation process for generating a sound by tone type is performed in step S140, and then the process proceeds to step S160. If it is determined that the event is not a sounding event, it is determined that the event is another event, and other event processing is performed in step S150, and then the process proceeds to step S160. If it is determined in step S50 that the standard sound source is designated, it is determined in step S60 whether or not the extended sound source has a corresponding tone type, and it is determined that the extended tone source has a corresponding tone type. , The change permission flag is further set to “1”.
Whether or not it is detected in step S70.

If the change permission flag is detected as "1", the tone number is changed to the tone number for the extended sound source in step S80. Next, according to the designated tone color number, the change of the set tone color of the device is executed in step S120. As a result, preparations are made for generating the tone type of the extended sound source instead of the standard sound source. Also,
If it is not determined in step S50 that the tone type is the standard tone source, it is determined in step S90 whether there is a tone type corresponding to the tone type designated as the extended tone source. If it is determined that there is a corresponding tone type, step S90 is performed. Proceeding to S120, the setting tone color of the device is changed according to the designated tone color number. As a result, the preparation for generating the tone type of the extended sound source is completed.

If it is determined in step S90 that there is no tone type corresponding to the extended tone generator, it is determined in step S100 whether there is a tone type corresponding to the tone type designated as the standard tone source. If it is determined that there is a corresponding timbre type, the timbre number is changed to the timbre number for the standard sound source in step S110. Then, step S1
According to the tone number designated at 20, the setting tone of the device is changed. As a result, preparations are made for generating the tone type of the standard sound source instead of the extended sound source. If it is not determined in step S100 that there is a timbre type corresponding to the timbre type designated as the standard sound source, the process directly proceeds to step S160.

Further, if it is determined in step S60 that there is no corresponding tone type in the extended sound source,
If it is detected in step 70 that the change permission flag is not “1”, the change of the set timbre of the device is executed according to the timbre number instructed in step S120. This allows
This means that preparations have been made so that the timbre type of the specified standard sound source can be produced. When the process of step S120 is completed, the process proceeds to step S160, where the normal process of the other tone generator is performed. When the process is completed, the process returns to step S20, and steps S20 to S160 are performed.
Process is circulated and always executed.

As described above, the main flow chart of the tone generator is executed, so that it is understood that the timbre types are substituted as shown in FIG. In addition,
Although the change permission flag is set as shown in FIG. 4, the maker may set it in accordance with the tone color type, or the user may set it. In the case where the setting is performed by the user, the setting may be performed in the other processing in step S160 of the main flow. In addition, the order of various determinations in the main flow may be freely changed regardless of the order described above.

It should be noted that the change permission flag is not limited to each musical instrument type, but may be set for each tone type. It may be replaced. further,
The standard sound source is not limited to the waveform memory type, but can be a sound source such as the FM synthesis type. The extended sound source is not limited to the physical model type and can be any other sound source that can generate high-quality musical sounds. It is. Further, the present invention can be widely applied to a tone generator which combines sound source systems having different conditions such as a calculation amount for tone generation, a tone quality, and the number of simultaneous tones.

[0027]

As described above, the present invention is configured as described above. When the timbre type is designated by the timbre information and there is another timbre information which can be replaced, the timbre information is designated by the timbre information. Tones can be produced. Therefore, when replacing with high-quality timbre information, higher-quality musical sounds can be produced. Further, even when high-quality timbre information can be substituted, it is possible to prohibit the substitution of the timbre information due to restrictions on the number of simultaneous sounds and the like. This makes it possible to replace the timbre information.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration example of an embodiment of a tone generator according to the present invention.

FIG. 2 is a diagram illustrating a form of alternative timbre information when substituting timbre information in the tone generator of the present invention.

FIG. 3 is a diagram showing an example of a tone color table in the tone generator of the present invention.

FIG. 4 is a diagram showing an example of a change permission flag in the musical sound generating device of the present invention.

FIG. 5 is a diagram showing a main flowchart in the musical sound generating device of the present invention.

[Explanation of symbols]

1 CPU, 2 ROM, 3 RAM, 4 MIDI interface, 5 sound source 1, 6 sound source 2, 7 sound system, 8 data address bus

Claims (4)

(57) [Claims] 1. A musical tone of a tone type specified by tone color information can be generated, and a musical tone can be generated under different tone generation conditions.
A tone generating apparatus including a plurality of tone generators; a receiving unit for receiving the tone color information; and for the tone color information received by the receiving unit, whether there is other tone color information that can be substituted for the tone color information. Discriminating means for discriminating the tone color information. If the discriminating means determines that there is another timbre information that can be replaced, the tone of the timbre information received by the receiving means is output from one of the plurality of sound source means. Sound of
Even when the tone can be generated by the source means , the tone of the tone type specified by the alternative
And processing means for pronunciation by another tone generator of the tone generator, said tone color information, one of a plurality of banks of
First tone color designation data for designating a bank;
Second tone specification to specify one of the tone types
And the second timbre finger.
The tone type specified by the fixed data
The same tone type in the
Is the timbre specified by the alternative timbre information
Another tone generator of the plurality of tone generators
At the time of sounding, the received timbre information is
The other tone color information that differs only in the first tone color designation data
A musical sound generator characterized by being changed . 2. A tone of a tone type specified by tone color information can be generated, and a tone can be generated under different tone generation conditions.
A tone generating apparatus including a plurality of tone generators; a receiving unit for receiving the tone color information; and for the tone color information received by the receiving unit, whether there is other tone color information that can be substituted for the tone color information. A first determination unit that determines whether the timbre information received by the reception unit is replaced with another timbre information that can be replaced with the timbre information. Discriminating means; and if the first discriminating means determines that there is another alternative timbre information, and if the second discriminating means determines that substitution is permitted, even if tones of the tone color information accepted by the accepting means can be pronounced in one tone generator of said plurality of tone generator, tone type specified by the alternative other tone color information Another source of the musical tone of the plurality of tone generator
Means for generating sound by the means , wherein the timbre information is stored in one of a plurality of banks.
First tone color designation data for designating a bank;
Second tone specification to specify one of the tone types
And the second timbre finger.
The tone type specified by the fixed data
The same tone type in the
Is the timbre specified by the alternative timbre information
Another tone generator of the plurality of tone generators
At the time of sounding, the received timbre information is
The other tone color information that differs only in the first tone color designation data
A musical sound generator characterized by being changed . 3. The musical tone of a timbre type specified by the timbre information received by the receiving means,
If the tone generator can not sound, the musical tone of the timbre type specified by other timbre information different from the timbre information accepted by the acceptor is sent to the plurality of tone generators.
3. The tone generator according to claim 1, wherein said processing means performs a process of generating a sound in one of the steps . 4. A musical tone of a timbre type designated by said timbre information received by said receiving means,
3. The processing unit according to claim 1, wherein when the sound source cannot generate sound , the processing unit ignores the timbre information received by the receiving unit.
A musical sound generator as described.