JP3517898B2 - Electronic musical instrument - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic musical instrument having a function of sequentially reading and outputting performance data stored in a main body.

[0002]

2. Description of the Related Art In recent years, electronic musical instruments are equipped with a function of faithfully reproducing music data stored in advance in an electronic musical instrument main body such as an automatic musical instrument and an automatic accompaniment device and musical performance data in which musical performances performed by a performer are stored. ing.

A conventional electronic musical instrument will be described below.
3 and 4 show the structure of a conventional electronic musical instrument. In FIG. 3, reference numeral 31 is a storage means for storing performance data. Reference numeral 32 is a sequence read control means for sequentially reading and outputting the performance data stored in the storage means 31. Further, in FIG. 4, reference numeral 41 is a storage means for storing performance data. Reference numeral 42 is a sequence read control means for sequentially reading and outputting the performance data stored in the storage means 41. Reference numeral 43 is an input means such as a keyboard for playing a melody or the like. Reference numeral 44 is a sequence writing control means for writing the performance input by the input means 43 into the storage means 41 as performance data. Reference numeral 45 is a timing notifying means such as a metronome or a display element for notifying the performer of time control timing such as a beat by the sequence writing control means 44.

The operation of the electronic musical instrument constructed as above will be described below. In the case of the configuration of FIG. 3, the performance data stored in the storage means 31 is sequentially read out and output by the sequence read control means 32, so that the performance data previously stored in the main body can be automatically played. Further, in the case of the configuration of FIG. 4, the player plays the music by the input means 43 while referring to the timing such as the beat by the timing notification means 45. The sequence writing control means 44 sequentially stores this performance in the storage means 41 as performance data. The sequence read control means 42 can read out and output the performance data stored in the storage means 41 one by one, thereby faithfully reproducing the performance performed by the performer.

[0005]

However, in the above-mentioned conventional configuration, the performance data stored in the storage means 31 or 41 is transferred to the sequence read control means 32 or 4.
2 has a problem in that it is a function of only faithfully reproducing in sequence, and that only an accurate but uninteresting automatic performance can be obtained.

The present invention solves the above-mentioned problems of the prior art. By assigning an arbitrary time signature to the performance data stored in the storage means 31 or 41, the musical pieces having different time signatures are automatically arranged. It is an object of the present invention to provide an electronic musical instrument having a built-in automatic performance device that can be read out by reading.

[0007]

In order to achieve this object, the electronic musical instrument of the present invention comprises a storage means for storing performance data and a sequence read control means for sequentially reading and outputting the performance data stored in the storage means. A beat instruction means for instructing an arbitrary beat, and a performance data stored in the storage means, for the performance data stored in the storage means, to change the sounding length of the performance data or to generate a sounding tone according to the beat specified by the beat instruction means .
It has a configuration of a data conversion means for performing either the aiming or changing the sounding length .

[0008]

With this configuration, by designating an arbitrary time signature in the performance data stored in the storage means, it is possible to automatically arrange and read music pieces having different time signatures. You can enjoy the automatic performance with the beat of the music played by the performer changed.

[0009]

【Example】

(Embodiment 1) An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 11 is a storage means for storing performance data. Reference numeral 12 is a sequence read control means for sequentially reading and outputting the performance data stored in the storage means 11. Reference numeral 13 is a time signature instruction means for instructing an arbitrary time signature. Reference numeral 14 is a data conversion means for changing the performance data stored in the storage means 11 according to the time signature designated by the time signature designating means 13.

The operation of the electronic musical instrument constructed as described above will be described with reference to FIGS. 1, 5 and 6. First, the performance data stored in the storage means 11 is shown in FIG.
If the time signature instruction means 13 specifies that the time signature is to be four, the data conversion means 14 causes the data conversion means 14 to convert the rules such as those shown in FIGS. 5B to 5D. The performance data stored in the storage means 11 is converted by. By sequentially reading this performance data by the sequence read control means 12, it is possible to obtain a performance that is automatically converted into four beats. On the contrary, when the performance data stored in the storage means 11 has a 4-beat time as shown in FIG. 6A, in order to automatically convert the performance data into a 3-beat time, as shown in FIGS. The conversion rule shown in d) may be used.

As described above, according to this embodiment, the time signature instruction
The performances stored in the storage means according to the time signature indicated by the means 13
You can change the pronunciation timing and duration of the performance data.
Therefore, the performance data stored in the storage means of the main body without requiring the musician's own musical knowledge and advanced arrangement ability.
Without truncating or adding whitespace,
It is possible to enjoy the automatic performance that is automatically arrangement only to instruct the time signature of the Shi-to-the performance data arbitrary.

In the present embodiment, only the time signature is designated by the time signature designating means. However, an arbitrary one of a plurality of conversion methods may be selected, or coarse and dense performance data may be automatically determined. If the conversion method is automatically selected for each measure, it is possible to enjoy an automatic performance with more effective automatic arrangement.

(Second Embodiment) A second embodiment of the present invention will be described below with reference to the drawings.

In FIG. 2, reference numeral 21 is a storage means for storing performance data. Reference numeral 22 is a sequence read control means for sequentially reading and outputting the performance data stored in the storage means 21. Reference numeral 23 is a beat instruction means for instructing an arbitrary beat. Reference numeral 24 is a data conversion means for changing the performance data stored in the storage means 21 in accordance with the time signature designated by the time signature designating means 23. Reference numeral 25 is an input means such as a keyboard for playing a melody or the like.
Reference numeral 26 is a sequence write control means for writing the performance input by the input means 25 into the storage means 21 as performance data. 27 is a sequence write control means 2
It is a timing notifying means such as a metronome or a display element for notifying the performer of time control timing such as the beat by 6.

The operation of the electronic musical instrument constructed as described above will be described with reference to FIGS. 2, 5 and 6. First, the performer plays a piece of music with the input means 25 while referring to the timing such as the beat with the timing notification means 27. The sequence writing control means 26 sequentially stores this performance in the storage means 21 as performance data. The performance data stored in the storage means 21 is shown in FIG.
If the time signature instruction means 23 specifies that the time signature is changed to the four time signature as shown in FIG. 5A, the data conversion means 24 uses the conversion rules shown in FIGS. 5B to 5D. The performance data stored in the storage means 21 is converted by. By sequentially reading this performance data by the sequence read control means 22, it is possible to obtain a performance that is automatically converted into four beats. On the contrary, when the performance data performed by the performer has a 4-beat time as shown in FIG. 6 (a), in order to automatically convert this into a 3-beat time,
The conversion rules shown in FIGS. 6B to 6D may be used.

As described above, according to this embodiment, the time signature instruction
The performance data performed by the performer according to the time signature indicated by the means 13
Because it changes the pronunciation timing and pronunciation length of the data, the performance data performed by the performer is truncated or blanked without the need for the performer's own musical knowledge and advanced arranging ability .
Without performing data additional changes, can enjoy automatic performance is automatically arrangement simply by instructing the beat Shi pair performance data appointed <br/> will.

In the present embodiment, only the time signature is specified by the time signature instruction means, but any one of a plurality of conversion methods may be selected, or the rough and dense performance data may be automatically determined. If the conversion method is automatically selected for each measure, it is possible to enjoy an automatic performance with more effective automatic arrangement.

[0019]

As described above, according to the present invention, the storage means for storing the performance data, the sequence reading control means for sequentially reading and outputting the performance data stored in the storage means, and the time signature instruction for instructing an arbitrary time signature Means and the performance data stored in the storage means, in accordance with the time signature designated by the time signature designating means, the sounding length of the performance data is changed.
Either change or change the pronunciation timing and pronunciation length.
By providing the data converting means for performing, it is possible to realize an electronic musical instrument which can automatically change the performance data stored in the main body into music with different time signatures and read it out.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an electronic musical instrument according to a first embodiment of the present invention.

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

FIG. 3 is a block diagram of a conventional electronic musical instrument with an automatic performance function.

FIG. 4 is a block diagram of a conventional electronic musical instrument having an automatic performance function including a recording function.

FIG. 5 is an explanatory diagram of an example of a method for converting performance data of 3 beats into 4 beats.

FIG. 6 is an explanatory view of an example of a method for converting performance data of four beats into three beats.

[Explanation of symbols]

11 storage means 12 Sequence read control means 13 Beat instruction means 14 Data conversion means 21 storage means 22 Sequence reading control means 23 Beat indication means 24 Data conversion means 25 Input means 26 Sequence Write Control Means 27 Timing notification means 31 storage means 32 Sequence read control means 41 storage means 42 Sequence read control means 43 Input means 44 Sequence write control means 45 Timing notification means

Claims (4)

(57) [Claims] 1. Storage means for storing performance data, sequence read control means for sequentially reading and outputting the performance data stored in the storage means, time signature instruction means for instructing an arbitrary beat, and storage in the storage means. to performance data, originating the performance data in accordance with the beat indicated by the beat instructing means
Change of note length or sound timing and sound duration
Electronic musical instrument provided with a data converting means for performing either. 2. Storage means for storing performance data, sequence read control means for sequentially reading and outputting the performance data stored in the storage means, time signature instruction means for instructing an arbitrary beat, and storage in the storage means. to performance data, originating the performance data in accordance with the beat indicated by the beat instructing means
Change of note length or sound timing and sound duration
A data converting means for performing one of an input means for the player to perform play, playing input by the input means, a sequence writing control means for writing to said storage means as the performance data, the sequence writing control means electronic musical instrument and a timing notifying means for notifying the player of the time control timing. With wherein meter indicating means for indicating an arbitrary time signature, from a plurality of conversion methods against the data conversion means any
Any claim 1 or 2 instructs you select conversion method
Electronic musical instrument as claimed in. 4. The data conversion means controls the time of performance data.
The timing is relatively long and the timing control timing is relatively long.
Compared with multiple conversion methods , it determines that the density is short.
The electronic musical instrument according to any one of claims 1 to 3, wherein is automatically selected for each measure .