JPH05158471A - Musical score display device - Google Patents

Abstract

PURPOSE:To display a rest by a correct display format conforming to a rule on an established sheet of music. CONSTITUTION:In the case of 3/4 time and in the case of 4/4 time, half-rest length information is converted to two pieces of quarter-rest information, and in the case of 6/8 time, point quarter-rest length information is converted to eighth-rest information and quarter-rest information. By transferring each converted information thereof to a display part after a prescribed time, rest length corresponding to a half-rest is displayed on the display part by two pieces of quarter-rest, or rest length corresponding to a point quarter-note is displayed by a quarter-rest and an eighth-rest, and in such a way, a correct musical score display conforming to a rule on a sheet of music established as a display format of a rest is executed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a musical score display device for displaying a musical score on a screen composed of an LCD or a CRT.

[0002]

2. Description of the Related Art Conventionally, based on performance information supplied,
A music score display device for displaying notes on a staff notation has been proposed (see Japanese Patent Publication No. 63-19879). In this musical score display device, when the keyboard is operated, a note representing a note length and a pitch and a rest representing a rest length are generated based on a preset tempo and time signature. In addition, bar length information is generated by calculating the length of one bar based on the tempo and time signature, and these notes, rests, and bar lines are displayed as a score on the screen of a television receiver or the like. ..

[0003]

However, even if the rests displayed in the score have the same rest length, it is necessary to determine which display format is used in relation to the time signature. The above law has been established. That is, as shown in (A) of FIG. 10, when there are two consecutive rests within one bar in the 3/4 time signature, it is illegal to display this as a single half rest. Therefore, it is a correct display format to display using two 4th rests. The same applies to the case of the 4/4 time signature. As shown in (B) of the figure, when there are two consecutive rests within one bar, this is treated as a single two-minute rest. It is illegal to display with a mark, and two 4
Displaying with minute rests is the correct display format.
Further, as shown in (C) of the same figure, in the case of 6/8 time, if there is a rest for 3 consecutive beats in one bar, this is displayed as a single dotted quarter rest. Is incorrect, and it is the correct display format to display using 8th rest and 4th rest.

However, in the above-mentioned conventional musical score display device, based on the preset tempo and time signature,
Generates a rest that represents the rest length. So, for example, in 3/4 time, if there is a rest length of 2 beats in one bar,
Since the rest length for two beats corresponds to a half rest in the 3/4 time signature, a half rest is generated as a rest representing the rest length for the two beats. Is displayed on the display. Also, for example, in the case of 6/8 time, if there is a rest length of 3 beats in one bar, the rest length of 3 beats is 6
Since it corresponds to a dotted quarter rest in / 8 time signature, a dotted quarter rest is generated as a rest representing the rest length of the two beats, and the dotted quarter rest is displayed on the display unit. It will be displayed. Therefore, the musical score is displayed in a display format that ignores the established rules on the musical score, which is not musically preferable as the musical score display format.

The present invention has been made in view of such conventional problems, and provides a musical score display device for displaying rests in an appropriate display format in accordance with the established rule on the musical score. The purpose is that.

[0006]

In order to solve the above problems, the present invention provides a performance in which musical tone information corresponding to each note constituting a music piece and rest information corresponding to each rest are sequentially supplied. Information supplying means, a beat designating means for designating a beat of the music piece, and a rest detecting means for detecting whether or not the rest information supplied from the performance information supplying means corresponds to a predetermined rest, When the rest information corresponds to a predetermined rest based on the detection result of the rest detecting means, the rest information in the rest display format of the time signature designated by the time signature designating means is used as the rest information. A converting means for converting to, a rest corresponding to the note information and rest information corresponding to the musical tone information supplied from the performance information supplying means, and a rest corresponding to the rest information converted by the converting means. With display means for displaying It is a fact.

[0007]

In the above structure, when the musical tone information corresponding to each note constituting the music and the rest information corresponding to the rest are sequentially supplied from the performance information supplying means, the rest detecting means is supplied with the rest information. It is detected whether or not the rest information corresponds to a predetermined rest such as a two-minute rest or a dotted quarter rest. And
When the rest information corresponds to a predetermined rest, the converting means converts the rest information into rest information in the rest display format of the time signature designated by the time signature designating means. That is, for example, if 3/4 time signature is specified, the conversion means converts the half rest into the rest information corresponding to the two quarter rests, which is the display format in the 3/4 time signature, and this The converted rest information is sent to the display means. Then,
The display means displays two quarter rests corresponding to the converted rest information. Further, for example, if 6/8 time signature is specified, the converting means converts the rest information of the dotted quarter rest to 8th rest and 4th rest which are the display formats in 6/8 time. Is converted to rest information, and the converted rest information is sent to the display means. Then, the display means displays the 8th rest and the 4th rest in correspondence with the converted rest information.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. That is, FIG. 1 is a block diagram showing the overall configuration of this embodiment, in which the CPU 1 has programs such as programs stored in a program ROM (not shown) and a working RA.
Based on the data or the like temporarily stored in M, all the controls required in the electronic musical instrument according to the present embodiment are executed.
A sequencer memory 2 including a storage medium such as a floppy disk or a RAM pack is connected to the CPU 1, and the sequencer memory 2 has a header portion 3 and a plurality of storage areas 4-as shown in FIG. 1 to 4-n are provided.

In the storage areas 4-1 to 4-n, automatic performance data is written for each song, and in the header section 3, the songs written in the storage areas 4-1 to 4-n are written. The number, the start address of each of the storage areas 4-1 to 4-n, and time signature information indicating the time signature of each music such as 3/4, 4/4, and 6/8 are stored. Each of the storage areas 4-1 to 4
As shown in FIG. 3, the automatic performance data written in -n is musical tone information GJ (pitch, duration) corresponding to the notes of the music and rest information KJ. The pitch of the information GJ is stored by the key number, and the pitch length is 32.
The note length is stored as a value of "1", and the rest length KJ is similarly stored as a value of a 32nd note length of "1".

The conversion table T shown in FIG. 4 which forms the conversion means of this embodiment is provided in the ROM, and the conversion table T has a 3/4 time signature and a 4 / three time signature.
If it is 4 beats, the 2nd rest length information is converted into 2 pieces of 4th rest information, and if it is 6/8 time, the dotted 4th rest length information is converted to 8th rest information. And convert to quarter rest information. For the CPU 1, a key press (KEYON) and a key release (KEY OF) from a keyboard 6 provided on the musical instrument body 5 shown in FIG.
The key depression information such as F) is input, and the tone signal corresponding to the key depression information is generated by the tone generation circuit 7 that operates according to the instruction of the CPU 1. The tone signal output from the tone generating circuit 7 is output to the amplifier 8 and the speaker 9.
Is input to the musical sound output device 10 and is emitted to the outside through the speaker 9.

Further, as shown in FIG. 1, the CPU 1 has a display unit 17, a song No. select switch 11, a sequencer control switch 13, and a tempo setting switch 1.
5 and the beat setting switch 16 are connected. The display unit 17 is, for example, an LCD, and is arranged at the center of the upper portion of the musical instrument body 5, and the song number selection switch 1
1 is composed of a song No. up switch 11U and a song No. down switch 11D. Further, as the sequencer control switch 13, a mode setting switch 12 for selectively setting a manual performance mode and an automatic performance mode, and a start / stop switch 14 are provided.
The tempo setting switch 15 is composed of a tempo up switch 15U and a tempo down switch 15D, and the time signature setting switch 16 is a denominator setting switch 1.
6A and a molecule setting switch 16B.

Next, the operation of this embodiment having the above configuration will be described with reference to the flowchart of FIG. 6 showing the processing procedure executed by the CPU 1. In the flowchart of the manual performance shown in FIG. 6, the tempo setting switch 15 is operated in advance to set the tempo, and the denominator switch 16A and the numerator switch 16 of the beat designating switch 16 are set.
It is started on condition that the time signature such as 3/4, 4/4, etc. is set by operating B and the keyboard 6 is operated. First, the time signature information set by the time setting switch 16, the tempo information set by the tempo setting switch 15, the tone length information corresponding to the time length from the key depression to the key release of the keyboard 6, and the key release. Rest information corresponding to the time until the next key depression and pitch information indicated by the key number of the depressed key are detected (SA1).

Next, among the information detected in SA1,
Based on the tempo information and rest information, it is determined whether or not this rest information is a half rest (SA2). That is, the tempo information is information indicating how many beats are made in one minute with a quarter note length (quarter rest length) such as 120 or 110 as one beat. Further, in this embodiment, as described above,
Since the note length and rest length are counted with the half note length set to 1, by changing the count value of the 32nd note length itself according to the tempo information, the set tempo information It is possible to determine whether or not the current rest length has become a half rest.

If the determination in SA2 is NO and the note is not a half note, that is, if the pitch information or the note length information has been input and the note information is a half note, a four note, or the like, or a half note has been rested. If it is a rest other than a note, the note information and the rest information are transferred to the display unit 17 (SA3), so that the display unit 17 causes the display unit 17 to generate a note corresponding to the note information or a rest corresponding to the rest information. Is displayed on a preset staff. Therefore, for example, if the pitch information is C5 and the pitch length information is a quarter note length, the content of the note information based on these pitch information and the pitch length information is a C5 quarter note, As shown in the first beat of FIG. 7A, four notes are displayed at the pitch position of C5, and if the pitch information is C5 and the note length information is a half note length, these notes Since the content of the note information based on the pitch information and the note length information is a C5 half note, as shown in the first beat of FIG.
A half note is displayed at the pitch position of 5.

On the other hand, when the determination of SA2 is YES, 2
If it is a minute rest, the currently set time signature is 3 /
It is determined whether or not the time is four beats (SA4). If the determination is NO and a time signature other than the 3/4 time signature is set, for example, if the 3/4 time signature is set, the half note information is transferred to the display unit 17. (SA
5). As a result, as shown in the second beat of FIG. 7B, a half rest is displayed on the staff. In contrast,
When 3/4 time signature is set, the conversion table T shown in FIG. 4 is used to convert the two-minute rest information into two pieces of quarter-rest information, and each of the converted information is converted into After a predetermined time, the data is transferred to the display unit 17 (SA6). As a result, FIG.
As shown in the second and third beats of (A), the display unit 17
A rest length corresponding to a half rest is displayed by two quarter rests, and it becomes possible to display an appropriate score according to the rule on the score as a display format of the rest.

In the flow chart shown in FIG. 6, it is determined in SA4 whether the beat is 3/4, but it is determined whether the beat is 4/4 or 6/8. As a result, it becomes possible to properly display the rests in accordance with the rule on the score even for the time signature of 4/4 or 6/8. At this time, in the case of determining the 6/8 time signature in SA4, it suffices to determine whether or not it is a dotted quarter rest in SA2, and in SA5, the dotted quarter rest information is displayed. Then, in SA6, by using the conversion table T shown in FIG. 4, the SA6 converts the dotted quarter rest information into the eighth rest and the fourth rest, and converts each of the converted information into a predetermined one. It may be transferred to the display unit 17 after a while. That is, when the flowchart shown in FIG. 6 is applied to the 3/4 time signature,
/ 4, 6/4 and 6 / shown in (A), (B) and (C) of FIG. 8 In each time signature, it is possible to display an appropriate score in accordance with the rule on the score as a display format of rests.

The flowchart shown in FIG.
It is started with automatic performance started by operating the select switch 11 to select one of the songs and operating the start / stop switch 14.
The tempo information set by the tempo setting switch 15 is read (SB1). Next, the time signature information of the selected music stored in the header section 3 shown in FIG.
The tone length information, rest information, and pitch information of the tone information shown in FIG. 3 are read from the sequencer memory 2 (SB2).

Next, it is determined whether or not this rest information is a dotted quarter rest based on the tempo information and rest information out of the information read in SB1 and SB2 (SB3). That is, the tempo information is information indicating how many beats are made in one minute with a quarter note length (quarter rest length) such as 120 or 110 as one beat. Further, in this embodiment, as described above, the 32nd note length is set to "1" and the note length and rest length are counted.
By changing the count value of the note length itself,
In the set tempo information, it is possible to determine whether the current rest length is a dotted quarter rest.

If the determination in SB3 is NO and it is not a dotted quarter note, that is, if pitch information or note length information is input and the note information is a half note, a four note, or the like, or If the rest is a rest other than the quarter note, the note information and the rest information are transferred to the display unit 17 (SB4), so that the display unit 17 displays the note or rest information corresponding to the note information. The rest corresponding to is displayed on the preset staff. Therefore, for example, if the pitch information is C5,
If the note length information is a quarter note length, the content of the note information based on the pitch information and the note length information is a quarter note of C5, and therefore, as shown in the first beat of FIG. 9 (A). 4 notes are displayed at the pitch position of C5, and, for example, the pitch information is C
5 and the note length information is a half note length, the content of the note information based on the pitch information and the note length information is 2 in C5.
Since it is a quarter note, a half note is displayed at the pitch position of C5 as shown in the first beat of FIG. 9 (B).

On the other hand, if the determination in SB3 is YES and it is a dotted quarter rest, it is determined whether or not the currently set time signature is 6/8 time signature (SB5). When the determination is NO and a time signature other than the 6/8 time signature is set, for example, when the 2/2 time signature is set, the dotted quarter note information is displayed on the display unit 17. Transfer (SB6). As a result, a dotted quarter rest is displayed on the staff, as displayed at the second beat in FIG. 9B. On the other hand, when the 6/8 time signature is set, using the conversion table T shown in FIG. 4, the dotted quarter rest information is converted into the eighth rest and quarter rest rest information. And each of the converted information is transferred to the display unit 17 after a predetermined time (SB7). As a result, the second beat and the third beat in FIG.
As shown in "Beat", the rest length corresponding to the dotted quarter note is further displayed on the display unit 17 as the quarter rest and the eighth rest,
As a display format of rests, it is possible to display an appropriate score in accordance with the rules on the score.

In the flow chart shown in FIG. 8, SB5 is used to determine whether the beat is 6/8, but it is determined whether the beat is 3/4 or 4/4. As a result, it becomes possible to display an appropriate rest according to the rule on the score as the display format of the rest also regarding the 3/4 time signature or the 4/4 time signature. At this time, in the case of discriminating 3/4 or 4/4 time in SB5, it is sufficient to discriminate whether or not it is a two-minute rest in SB3 before that.
At B6, the half rest information is transferred to the display unit 17, and at SB7, the half rest information is converted into two quarter rests by using the conversion table T shown in FIG. The information may be transferred to the display unit 17 after a predetermined time. In other words, if the flow chart shown in FIG. 8 is applied to 3/4 time signature, 4/4 time signature, and 6/8 time signature in time division, A)
In each of the time signatures of 3/4, 4/4, and 6/8 shown in (B) and (C), it is possible to display an appropriate score in accordance with the rule on the score as a display format of rests.

[0022]

As described above, according to the present invention, when the rest information supplied is a rest length corresponding to a predetermined rest, this rest information is rested at a predesignated time signature. The rest information is converted into the rest information corresponding to the note display format, and the notes corresponding to the converted rest information are displayed. It is possible to display the score by displaying an appropriate rest. In addition, by specifying the beat with the designation switch, it is possible to display an appropriate score corresponding to the time signature of the manually played music, and the time signature information indicating the time signature of the music stored in the automatic performance data. By designating the time signature, it is possible to display an appropriate score corresponding to the time signature of the automatically played music.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is a conceptual diagram showing a format of a sequencer memory in the embodiment.

FIG. 3 is a conceptual diagram showing contents of performance information in a sequencer memory of the embodiment.

FIG. 4 is a conceptual diagram of a conversion table used in the same embodiment.

FIG. 5 is a perspective view of a musical instrument body according to the embodiment.

FIG. 6 is a flowchart showing an operation in a manual performance of the embodiment.

FIG. 7 is a musical score diagram showing an example of a musical score displayed by the manual performance of the embodiment.

FIG. 8 is a flowchart showing an operation in automatic performance of the embodiment.

FIG. 9 is a musical score diagram showing an example of a musical score displayed by the automatic performance of the embodiment.

FIG. 10 is an explanatory diagram showing an illegal display format and a correct display format in each time signature.

[Explanation of symbols]

 1 CPU 2 Sequencer Memory 6 Keyboard 12 Mode Setting Switch 15 Tempo Setting Switch 16 Beat Designating Switch 17 Display T Conversion Table

Claims (3)

[Claims] 1. A performance information supply means for sequentially supplying musical tone information corresponding to each note constituting a music piece and rest information corresponding to each rest, a beat designating means for designating a beat of the music piece, Rest detection means for detecting whether or not the rest information supplied from the performance information supply means corresponds to a predetermined rest, and the rest information is predetermined based on the detection result of the rest means detection means. Converting the rest information into rest information in the rest display format of the time signature designated by the time signature designating means, and the musical tone supplied from the performance information supplying means. A musical score display device comprising: a note corresponding to information, a rest corresponding to rest information, and a display unit for displaying a rest corresponding to the rest information converted by the converting unit. 2. The musical score display device according to claim 1, wherein the time signature designating means is a time signature setting switch for inputting a time signature by an external operation. 3. The musical score display device according to claim 1, wherein the time signature designating means is time signature information stored in the automatic performance data and which indicates the time signature of the music.