JP2001083968A - Play information grading device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a play information grading device capable of finely grading the play timing of a played sound according to the degree of preciseness of the play timing by specifying which area of a grading period the inputted play timing information corresponds to, and grading the play timing information by a player. SOLUTION: Grading track information is inputted to a rhythm evaluation part 9. When the play timing information is inputted within a grading period corresponding to the grading track information, MIDI regeneration instruction information is outputted to a grading part MID sound source 8. The play timing information is also evaluated and graded, and the score information is outputted to an integrating evaluation part 11. The grading part MIDI sound source 8 regenerates the MIDI data of the sound to be graded when the MIDI regeneration instruction information is inputted. In the integrating evaluation part 11, the score information from the rhythm evaluation part 9 is integrated, and the score information of the player is outputted to a display control part 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a performance information scoring apparatus for inputting performance information of a player and scoring the accuracy of the performance timing.

[0002]

2. Description of the Related Art Conventionally, a performance practice function of an electronic performance device determines whether or not performance information performed by a player matches a musical score in accordance with an automatic performance. There is an electronic performance device that outputs a sound played by a user and does not output a sound when the sound does not match.

[0003]

The inventor of the present invention has conceived of using such an electronic performance device for a game, but when scoring a performance by a player, the played sound is
It was found that simply scoring whether or not the score matches the note was not very interesting.

The present invention has been made in view of such circumstances, and provides a performance information scoring apparatus that can finely score the performance timing of a sound played by a player according to the degree of accuracy of the performance timing. The task is to achieve it.

[0005]

A performance information scoring device according to a first aspect of the present invention has the following features.
Means for reproducing music information including music information of a performance part for a player (reproduction control unit 3); and performance timing input means (performance keyboard 6) for inputting performance timing information (trigger) by the player. Monitoring means (rhythm evaluation unit) for setting a period to be scored for each sound (scoring period) based on the music information of the performance part, and monitoring the input of the performance timing information in the scoring period. 9) and score management means (rhythm evaluation unit 9, score table) that divides the scoring target period into a plurality of score areas and manages scores assigned to each area.
A score area specifying unit (rhythm evaluation unit 9) for specifying which area in the scoring target period the input performance timing information corresponds to, and a performance performed by the player based on the score management unit. And a scoring means (rhythm evaluation unit 9) for scoring the timing information.

According to the performance information scoring device of the first invention of the present invention, the performance timing of a sound played by a player can be finely graded according to the degree of accuracy of the performance timing.

[0007] A performance information scoring device according to a second invention of the present invention comprises:
Storage means (main storage unit 2) for storing a plurality of pieces of music information for performance, means for reproducing the stored music information (reproduction control unit 3), and music information of a performance part from the reproduced music information Extraction means (scoring part information extraction unit 7) for extracting the performance timing information (scoring track information), performance timing input means (performance keyboard 6) for inputting performance timing information (trigger) by the performer, Scoring target period setting means (rhythm evaluation unit 9) for setting a scoring target period (scoring target period) for each sound based on the music information for music, and dividing the scoring target period into a plurality of areas. The score management means (rhythm evaluation unit 9, score table) for managing the scores assigned to the respective areas, and the performance timing information by the performer Scoring area specifying means for specifying whether to correspond to the rear (the rhythm evaluation section 9), on the basis of the score management means, scoring means for scoring against performance timing information by the player (rhythm evaluation section 9)
Reproducing means for outputting music information of the performance part based on the performance timing information (MID for the scoring part)
An I sound source section 8 and a speaker 5) are provided.

According to the performance information scoring device of the second invention of the present invention, the performance timing of the sound played by the player can be finely graded according to the degree of accuracy of the performance timing, and the performance part can be scored. Can be reproduced and output based on the performance timing information.

A performance information scoring device according to a third aspect of the present invention comprises:
In the performance information scoring device of the first invention or the second invention, the music information includes the music score information of the performance part, and based on the music score information, the music score of the performance part is displayed, and the scoring result by the scoring means is displayed. Is displayed on the display.

According to the performance device of the third aspect of the present invention, the performance timing of the sound played by the player can be finely graded according to the degree of accuracy of the performance timing, and the graded result can be displayed.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a performance information scoring device according to the present invention will be described below.

FIG. 1 is an overall configuration diagram of a performance information scoring apparatus 100 according to one embodiment of the present invention.

In FIG. 1, reference numeral 2 denotes a main storage unit comprising a hard disk device, a CD-ROM, a semiconductor memory and the like in which a plurality of music information for performance and a performance control program are stored. The reproduction control section 3 controls each section of the performance information scoring device 100 based on the performance control program. The instruction input unit 1 is for performing an instruction to select a musical piece to be played or the like, and includes touch input keys and the like provided integrally on a display screen of a display unit 4 such as a CRT display device. A speaker 5 reproduces and outputs music, sound effects, voice messages, and the like. Reference numerals 6 and 16 denote keyboards for playing a guitar part operated by a player. The keyboard 6 is used for one player, and the keyboard 16 is used for two players. These keyboards 6, 16
It is made to be approximately the size of an ukulele, imitating an electric guitar, and has a triangular key 6a and a square key 16a for picking input during performance.

The music information for performance stored in the main storage unit 2 includes music data (MIDI data) of each part such as a guitar part and a piano part, and one sound of a scoring part (a guitar part in this embodiment). The information includes scored track information indicating the start of a grading target period, musical guide information for displaying scored part music score information along with the reproduction of the song, background image information, lyric data of the song, MPEG audio data, and the like. The music data reproduced by the reproduction control unit 3 is input to the scoring part information extracting unit 7, and the MIDI data and the scoring track information of the guitar part, which is the part to be graded, are extracted, and the MIDI data of the guitar part is scored. The MIDI data for the part 8 is input to the MIDI sound source section 8, and the score track information is input to the rhythm evaluation section 9. The remaining MIDI data excluding the part to be scored (guitar part) is input to the MIDI sound source unit 10 and the speaker 11
Output from

The rhythm evaluation section 9 is connected to the performance keyboards 6 and 16.
Of the key 6a or 16a is input as performance timing information (trigger). The keyboards 6 and 16 may play the same part by two persons, may play different parts, and may be switched by software control. Then, the performance timing information (trigger) from the keyboard 6 is evaluated and graded based on the graded track information from the graded part information extraction unit 7, and the performance timing information is input within the graded period corresponding to the graded track information. If the MIDI sound source 8 for the scoring part
In addition to outputting the IDI reproduction instruction information, the performance timing information is evaluated and scored, and the score information is added to the integration evaluation unit 1.
Output to 1. The MIDI sound source 8 for the scoring part
When the IDI reproduction instruction information is input, the MIDI data of the scored sound is reproduced and output to the speaker 5. Therefore, when the MIDI sound source 8 for the scoring part does not receive the reproduction instruction information from the rhythm evaluation unit 9, the MIDI data of the sound to be graded is not reproduced. The integration evaluation section 11 integrates the score information from the rhythm evaluation section 9 and outputs the score information of the player to the display control section 12.

The MPEG audio data reproduced by the reproduction control unit 3 is reproduced by the MPEG audio reproduction unit 13 and output from the speaker 5. The performance guide telop information and the lyrics data are reproduced by the guide telop information reproducing unit 14 and output to the display control unit 12. The background image information is reproduced by the background image information reproducing unit 15 and output to the display control unit 12.

The display controller 12 forms a display screen based on the score information, guide telop information, and background image information, and outputs it to the display unit 4.

FIG. 2 is a diagram showing an example of a display screen of the display unit 4. As shown in FIG. In the figure, the score for the guitar part is displayed on the line on which the triangle mark P1 is displayed and on the line on which the square mark P2 is displayed. Note n1, Note n1 +
1, a note n1 + 2 represents a musical score played by the triangular key 6a of the keyboard 6, while a note n2, a note n2 + 1-5
Indicates a musical score played by the square key 16a of the keyboard 16. This musical score is displayed in color change according to the progress of the music. The figure shows that the position of the note n2 + 3 is currently being played. Then, by tapping the corresponding key 6a to 16a at the timing when the color is changed, a score is given in accordance with the timing at which the key is pressed, score information is displayed, and the score information is displayed in the score display columns C1 and C3. . C2 and C4 are the number of star marks, indicating the upper and lower hands of the performance. "Guiter Player
.. "Are lyric information K, which is displayed in a color-changed manner in accordance with the progress of the music, similarly to the musical note n. The note n and the lyrics information are scrolled or the like and the currently reproduced portion is sequentially displayed in accordance with the progress of the music.

Next, the scoring process by the rhythm evaluation unit 9 and the integration evaluation unit 11 of the performance information scoring device 100 according to the embodiment of the present invention will be described with reference to the flowchart of FIG.

If there is an input of the track data from the score part information extraction unit 7 (step 31, hereinafter, step is abbreviated as S), a scoring target period is set from the scoring track information, and a keyboard within the period is set. It is monitored whether or not the performance timing information (trigger) has been input from S6 (S32). The timing chart of FIG. 5 shows the relationship between the scoring track information, the scoring target period, and the trigger. For the trigger detected within the scoring target period, the timing at which the trigger is detected within the scoring target period is determined based on the trigger detection time T, and a score is assigned according to the detection timing. In this embodiment, the resolution of the detection timing is 1/64 of the scoring target period.
The time of one unit is set to 2 (msec). Therefore, the scoring period for each note is 128 (ms)
ec). In addition, this detectable length can be changed. By changing this length, the length of the scoring period can be changed. It can be set.

FIG. 4 is a diagram showing the relationship between the detection timing D of the trigger and the score to be assigned. In this embodiment, 64 detection timings D are divided into nine types of areas. Scores are assigned to them. The detection timing for the area indicated by G indicates the best performance timing, and has a high score (for example, 15 points).
Points) are assigned. The areas indicated by F1 to F4 indicate areas where the performance timing is earlier, and the score is lower according to the degree of the earlier performance. B1
The area indicated by B4 indicates an area where the performance timing is late, and the score is low according to the degree of the delay. FIG. 6 is a score table showing the relationship between the detection timing D and the assigned score data.

If there is a trigger input from the keys 6a to 6b during the scoring target period (S33), the MI for the scoring part
The reproduction instruction information for instructing the reproduction of the corresponding one-sound MIDI data is output to the DI sound source unit 8 (S34).
As a result, the MIDI sound source 8 for the scoring part reproduces the MIDI data of the corresponding guitar part,
Output to Next, the rhythm evaluation section 9 performs an evaluation scoring process for the trigger (S35, S36). First, a detection timing D is obtained based on the detection time T of the trigger (S35), and score information corresponding to the detection timing D is obtained from the score table of FIG. Output (S36). As shown in the timing chart of FIG. 7, when there are multiple trigger inputs during the scoring period, only the first trigger input is subject to evaluation scoring, and other triggers are ignored.

When there is no trigger input during the scoring period (S33, S37), a triggerless detection process is performed (S38). More specifically, as shown in the score table of FIG.

If a trigger input is detected outside the scoring period (S31, S39), an erroneous trigger detection process is executed (S40). More specifically, as shown in the score table of FIG.

Based on the score information from S36, S38 and S40, an integration evaluation process is performed (S41). More specifically, the scores input for displaying the score information are totaled, and based on the scores. Determine the grade and output. Upon completion of the song, the process exits (S42).

In the above description, the performances of the keyboards 6 to 16 are evaluated and graded at the timing of the performance. However, a keyboard capable of inputting a pitch (such as Doremi), such as a piano keyboard, is adopted. It is also possible to adopt a configuration in which the matching of pitches is a prerequisite for evaluation and scoring.

[0027]

As described above, according to the performance information scoring device of the present invention, the performance information that allows the performance timing of the sound played by the player to be finely graded according to the degree of accuracy of the performance timing. A scoring device can be realized.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a performance information scoring apparatus 100 according to an embodiment of the present invention in an embodiment of the present invention.

FIG. 2 is a diagram showing an example of a display screen of the display unit 4 according to the embodiment of the present invention.

FIG. 3 is a flowchart of a scoring process performed by a rhythm evaluation unit 9 and an accumulation evaluation unit 11 of the performance information scoring device 100 according to the embodiment of the present invention.

FIG. 4 is a detection timing D showing an embodiment of the present invention;
It is a figure showing the relation of the score assigned.

FIG. 5 is a timing chart at the time of a scoring process showing the embodiment of the present invention.

FIG. 6 shows a detection timing S according to the embodiment of the present invention.
7 is a score table showing the relationship between the score data and the score data.

FIG. 7 is a timing chart at the time of a scoring process showing the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Instruction input part 2 Main storage part 3 Reproduction control part 4 Display part 5 Speaker 6,16 Performance keyboard 6a, 16a key 7 Scoring part information extracting part 8 MIDI part for marking part 9 Rhythm evaluation part 10 MIDI sound source part 11 Integration Evaluation unit 12 Display control unit 13 MPEG audio playback unit 14 Guide telop information playback unit 15 Background image playback unit 100 Performance information scoring device

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2C001 AA00 AA16 AA17 BA00 BA06 BA07 BB00 BB01 BB04 BB05 CA00 CA02 CA09 CB01 CB06 CC02 CC08 5D378 MM22 MM55 MM96 NN06 NN20 NN27 9A001 BB03 EE02 EE04 KK31 KK12

Claims (3)

[Claims] A performance timing input means for inputting performance timing information by a player, and a grading target period for each sound are set based on music information of a performance part. Monitoring means for monitoring the input of the performance timing information, score management means for dividing the scoring target period into a plurality of areas, and managing scores to be assigned to the respective areas; and the input performance timing information, Score area specifying means for specifying which area in the scoring target period corresponds to, and scoring means for scoring performance timing information by a player based on the score managing means. Performance information scoring device. 2. A storage means for storing a plurality of pieces of music information for performance; a means for reproducing the stored music information; and music information of a performance part for a performer based on the reproduced music information. Extraction means for extracting timing information; performance timing input means for inputting performance timing information by a player; and a scoring period setting for setting a period to be graded for each sound based on the music information for performance. Means, a score management means for dividing the inside of the scoring target period into a plurality of areas, and managing a score to be assigned to each area; and the performance timing information by the player corresponds to any area in the scoring target period. Score area specifying means for specifying whether to perform, and scoring means for scoring performance timing information by the player based on the score managing means. And a reproduction means for reproducing and outputting the music information of the performance part based on the performance timing information. 3. The music information includes musical score information of a performance part, and based on the musical score information, a musical score of the performance part is displayed, and display means for displaying a result of the scoring by the scoring means is provided. 3. The performance information scoring device according to claim 1, wherein the performance information is scored.