JPS5912491A - Display of music score - 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 musical score display method used when automatically converting the process of playing a musical instrument or performance data stored in a storage medium into a musical score.

Conventional music score display methods display musical symbols (notes, rests, sharps, flats, etc.) sequentially on the screen, and when the display area becomes full, all the displayed music scores are erased and restarted. A new method for displaying musical scores is known. However, in this method, the display area is F
Since all of the displayed music scores are erased every time the state is set to ULL, this is very inconvenient when considering the performance process.

Therefore, this invention has a full display area! F
-, the displayed musical score is shifted by a width that can display the next musical symbol, and the next musical symbol is displayed in the margin created by this.

This provides a musical score display method that is convenient for examining the performance process.

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 a musical score display device to which the method according to the present invention is applied, and the musical score display device shown in this figure automatically displays the process of performance on the piano 1 as a musical score.

That is, the piano 1 is provided with a key switch for detecting a key operation corresponding to each key, and the output of each key switch is supplied to the musical instrument interface 2, respectively. The musical instrument interface 2 detects the on/off state of each key switch by scanning the output of each key switch of the piano 1 at a constant cycle, and then detects the key code of the key in the on state and the on/off time of the same key. The data C shown hereafter referred to as note length data is output to the condylar note selection processing circuit 3.

The parameter setting device 4 includes bubble control (C major, A minor, etc.);
This is for setting the tempo (for example, the time of a quarter note) and the k time signature (4/4 time signature, etc.), and the hair tone data, tempo data, and time signature data that correspond to the set bubble control, tempo, and time signature, respectively. It is output to the note selection processing circuit 3.

The note selection processing circuit 3 detects the pitch and type (quarter note, eighth note, etc.) of the note to be displayed based on the key code and note length data supplied from the musical instrument interface 2, and displays five notes. Types of rests (quarter rest, 8
minute rests, etc.).

Based on this detection result, rounding data for the musical score display is created in the slot block SBO format shown in FIG. 2, and is output to the symbol assembly processing circuit 5. To explain further below, for example, when the musical score shown in FIG. 3 is played on the piano 1,
The musical score display device shown in FIG. 1 can display this musical score substantially in its original form. The note selection processing circuit 3 stores the data for displaying this musical score in the slot s shown in FIG.
,.

Each slot block is created in the form of a slot block SB. FIG. 2 shows the basic configuration of this slot block SB, in which slot width% TYPE data, length data, and key code are written in the first to fourth bytes, respectively. data,
Block SBB consisting of key code has slot hs1.5
For example, in the case of slot S1, two blocks SBB are provided corresponding to two notes.
Furthermore, in the case of slot S2, one block SBB is provided. In this slot block 5BVcs, the slot width data is each slot S1'' S2 ==-
For example, the slot width data of slot S is the data indicating the note G4 shown in Fig. 3.
The data corresponds to the length of the note of the fourth octave G4 tone. TYPE data is its block SB
This is data indicating whether what is represented by H is a note or a rest; "1" is written if it is a note, and "0" is written if it is a rest.

The length data is data indicating the length of the note C (or rest) represented by the block SBH. Also, the key code is the key code of the note represented by the block SBB.
If B represents a rest, it becomes Oj.
The figure shows a slot block 5B-1 created corresponding to slot S1. In this figure, LN4
, LN2 are note length codes corresponding to the lengths of a quarter note and a half note, respectively.

The symbol assembly processing circuit 5 creates display blocks HB (see FIG. 5) for displaying notes or rests corresponding to each slot block 8B supplied to the note selection processing circuit 3, and sends them to the Shumir processing circuit. Output to 6. Here, the display block HB [, as shown in FIG.
Consists of bytes.

The first to fourth bytes each contain the slot width, χ coordinate, and y.
Coordinates and UDS code are written. Furthermore, a block I(BB) consisting of the second to fourth bytes is provided corresponding to the block SBBK of the slot block SB.

In this display block HBICi, the slot width of the slot block SB is written as is. In addition, as the χ coordinate, data indicating the position in the χ direction (horizontal direction) of the shikefu note (rest) in the slot S1.52--1 shown in FIG. 3, that is, the slot S
Data corresponding to the distance from the left end of 1, 52 ---- to the note C rest) is written. As the y coordinate, data indicating the position in the y direction within the slot S1, ie, the distance from the G4 note @L shown in FIG. 3 is inserted. This position in the y direction is determined by the key code in block SBB of slot block SB in the case of a musical note, and is a predetermined constant position in the case of a % or fC1 rest. I cut it. As the UDS code, a UDS code indicating the type of note or rest is written. This UDS code is determined based on the length data in block SBB of slot block SB. For example, block SBB (7) TYPE f −
1 ka l - I J (note) - length data is LN2
In the case of , the UDS code corresponding to the half note is written in the display block HB.

For example, when the musical score shown in FIG.
B is created, and then this slot block SB is sent to the symbol assembly processing circuit 5 and converted into a display block HB,
It is output to the scroll processing circuit 6.

As shown in FIG. 6, the scroll processing circuit 6 includes a display memory decoy, a slot width addition register SLR pointer PIO, and performs scroll processing. Here, the scroll process refers to the following process. That is, in the musical score display device shown in FIG. The next score is displayed in the margin of the area. The process of shifting the display on the display screen by a predetermined distance to the left is called a scroll process.

The data processing process in the scroll processing circuit 6 will be explained below, but prior to this explanation, the outline of the score display method in the score display device shown in FIG. 8g1 will be explained. For example, when displaying the musical score shown in Fig. 8g3 on the screen of the display device 7, first, a reference line P1 is set on the left side of the display screen 9 shown in Fig. 7, and from this reference line P1 to the right,
Thrower h sl, s.

-111- Display slots S, S-
=la Za - are set sequentially. In this case, 1 display slot S, S
−−−1 are set sequentially. In this case, la
2B - Width of the display thrower l, S-----C (1a2&width on the screen) is determined by the slot width in the display block HB corresponding to the slot S, S-----. And each set display thrower) S1a.

52a---Slot s1 in part. 52---Display notes (rests) in part. Further, when the musical score is displayed over the entire display area of one display screen 9, the displayed musical score is first shifted to the left by the width of the display slot S1a. And if the next display slot will fit into the blank space created by this shift.

The display slot is assigned and the musical score is displayed. On the other hand, if the next display slot does not fit within the blank space, the displayed musical score is further shifted to the left by the width of the display slot S2a. In this way, notes and the like to be newly displayed are sequentially displayed at the rightmost end of the display area of the display screen 9, and the display at the leftmost end is sequentially erased.

Next, referring to the flowchart shown in FIG. 8, the process of data processing in the scroll processing circuit 6
An example of displaying the musical score shown in the figure will be explained.

First, display block HB (hereinafter, display block HB) corresponding to slot S1 is sent from symbol assembly processing circuit 5.
-1) is supplied, this display block HB
-1 is detected at step 8P1° shown in Figure 8g8, and the process proceeds to step SP2.

In step SP2, the slot width of display block HB-1 is converted into slot width data 5LD1 indicating the width of five display slots 51a (FIG. 7).

Next, in step SP3, the slot width data 5LD1 and the data in the slot width addition register SLR (Fig. M6) are added, and the result of this addition is written into the slot width addition register SLRK. Note that the slot width addition register SLR is reset at the start of the performance. Therefore, in this case, the contents of the slot width addition register SLH become slot width data 5LD1. Next, the process proceeds to step SP4, where the data in the slot width addition register SLR is compared with the preset width HD of the display area of the display screen 9 (see Figure 7). in this case.

Data in SLR (HD, therefore step S)
P5 \Proceed. In step SP5, pointer POI
is incremented. In addition, this pointer POI
is reset at the start of play, therefore,
As a result of the processing of this step SP5, the boink POI
The content of is rlJ. Next, when the process proceeds to step SP6, the display block HB-1 is written into the second rear HME-t of the display memory decoy designated by the pointer POI. In this case, only the slot width of display block HB-1 is rewritten into slot width data SI, D1. Then, the process returns to step SP1.

Next, display block HB corresponding to slot S2
When -2 is supplied, the slot width is first converted into slot width data 5LD2 in step SP2, and then the contents of the slot width addition register SLH become SLD, +5LD2 through the processing in step SP3. next,
Proceeding to step SP5 via step SP4,
The contents of the pointer POI become r2J, and then the display block HB +
8 is written to area HME-2 of display memory HM. At this time, the slot width is the slot width data 5L.
It can be rewritten as D2. Then, go to step SP0.

Hereinafter, the above-mentioned nine steps are repeated, thereby displaying the display block HB corresponding to the slot S1.52.
-1 and HB-2 are sequentially written into areas HME-1 and HME-2 of the display memory HM.

In addition, corresponding to the display blocks HB written in areas HME-1 and HME-2----, musical notes (rests) are placed in the display throwers), S, SIa 2a-1111 of the display screen 9. mark) is displayed. In addition.

The process of displaying this note (rest) will be described in detail later. Furthermore, every time a display block HB is written to the 5 display memory decoy, slot width data SLD is accumulated in the slot width addition register SLR.

Next, suppose that, for example, when a display block I (B - K is supplied), the judgment result at step SP4 becomes ['ES J.Here, the judgment result at step SP4 is l'
-YES J means that display was already being performed over the entire display area of the display screen 9 at the time the display block HB-K was supplied. Note that at the time of judgment in step SP4, the contents of the slot width addition register SLR are SLD + SL'D2 +
−−−−−+ 5LDk, and pointer P
The content of OI is ・rK-IJ. If the determination result in step SP4 is "YES", the process advances to step SP7. At step SP7, slot width data sr, D1 in area HME-1 is subtracted from the contents of slot width addition register SLH, and the result of this subtraction is written to slot width addition register SLR. Next, when the process advances to step SP8, the pointer POr is decremented. Next, when the process proceeds to step SP, each data in the display memo IJ HM is shifted by one factory to the left in FIG. That is, data in area HME-2 is transferred to area HMF3-x, area HME,
Data in 3 goes to area HME-2, -～---
The data in area HME-N is
(N-1) respectively. As a result of this shift, as will be described later, the musical score displayed on the display screen 9 is shifted to the left by the width of the display thrower S1a. In addition, by the processing in STETSU7'SP7 described above, the slot width data S LDk is added to the musical score display width after the screen display shift.
Added value 5LD2 + 5LD3 + -------
+5LDk is set in the slot width addition register SLH, and data rK-2j is set in the pointer POI by the process at step SP8. Then, step 5p4-, returns.In this case, if the judgment result at step SP4 is "NO", the process proceeds to step S''P5, where the content of the pointer POI is rK-1j, and then proceeds to step SP6. As you proceed, you will see block l - displayed in area HME - (K-1).
K is written. As a result, the musical note (or rest) corresponding to the display block HB-K is displayed at the rightmost end of the display area of the display screen 9. On the other hand, if the judgment result in step SP4 is "YES", step SP4 is
7 to SP are performed, and as a result, the contents of the slot width addition register SLH are as follows.

SLD + SLD + −+−～−+ 5
LDk becomes 4. Also, the contents of the pointer POI become l- and -3J.

Also, the display memory area is shifted by one engineering area.

Due to this shift of the display memory decoy, the musical score display on the display screen 9 is further shifted by the width of the display slot S2a.

Then, the process returns to step SP4, and thereafter the above-described process is repeated.Next, the display blocks HB in the display memory HM of the musical note display processing circuit 8 scroll processing circuit 6 are sequentially read out, and the read display blocks HB The χ, y coordinates within are converted to the X, X coordinates of the display screen 9, and output to the display device 7 together with the UDS code. Namely.

The musical note display processing circuit 8 first reads the display block HB-1 in the display memo IJI (area of M) (ME-1), and calculates the X coordinate of the reference line P1 on the display screen 9 and the display block HB-1 in the display block HB-1. From the X coordinate to slot S1 (third
Calculate the X coordinate of the note in the figure. Next, the X coordinate of the 04 sound line L1 (Fig. 7) on the display screen 9 and the 1 display block H
The X coordinate of the note in slot S1 is calculated from the X coordinate in B-1. Then, the calculated X coordinate and
The coordinates are output to the display device 7 together with the UDS code.

Next, slot width data 5LD1 is added to the X coordinate of the reference line P1.
By adding , the X coordinate of the right end (slot line F1) of the display slot S1a is calculated.

Next, in area HME-1 of one display memory (D ”f
l)a Read out tsuku'HB-2 and connect slot line F.
Calculate the X coordinate of the note in slot S2 from the X coordinate of 1 and the DχX coordinate in display block HB-2.

Next, the X coordinate of the G4 sound ray L□ and the display block HB
-2, the X coordinate of the note in slot s2 is calculated, and the calculated X, X coordinates are displayed on the display device t7 together with the UDS code.

Next, display block HB at the X coordinate of slot line F1
By adding the slot width data 5LD2 within -2, the X coordinate of the slot line F2 (FIG. 7) is calculated.

Similarly, areas HME-1, HME-2, -
---1 Sequentially read out each display block HB in the display block HB, and
The X coordinate is calculated and output to the display device 7 along with the UDI9 code. In addition, when the processing of display block HB in area HME-N is completed, area HME-N is
1. Process the display blocks in 2----.

In this way, the musical note display processing circuit 8 displays the area HME −
Just as the note (rest) represented by display block HB in area HME-2 is displayed in display slot S1a, the note (rest) represented by display block HB in area HME-2 is displayed in display slot S2a. % ------1 Calculate the X, X coordinates of each note (rest) so that As a result, for example, when the display memory decoy is shifted to the left by one factory, the display slot S2a
The note (rest) that was displayed in the display slot S
1a. (However, the width of display slot S1a is the width of display slot S2a before shifting.)
That is, by shifting the data in the display memory to the left, the musical score displayed on the display screen 9 can be shifted to the left by the width of the display slot on the screen.

Second, the memory 9 is a memory in which all musical notes and rest patterns are stored in advance as vectors. In this case, for example, a quarter note is represented by the vectors V, , V shown in Figure 9.
2----1, the coordinates of each starting point and ending point are stored, and the half note is stored by the vectors V and V shown in the same figure.
--- Stored by the coordinates of 1 each starting point and 11 12 ending points. These patterns are then read out based on the UDS code.

The display device 7 is composed of a CRT (cathode ray tube) display device and a control circuit, and displays the musical staff and treble arrangement on the display screen 9. Based on the supplied TJI)S code, a pattern of musical notes (rests) is read from the memory 9, and the coordinates of the starting and ending points of each vector constituting the read pattern are supplied from the musical note display processing circuit 8. , , y coordinates are converted and musical notes (rests) are sequentially displayed on the display screen 9.

Note that the circuit shown in FIG. 1 is usually constructed by a microcomputer.

As described in detail above, according to the present invention, the display area is
When the ll state is reached, the 2-displayed score is shifted by the width that can display the tth musical symbol, and the next score is displayed in the margin created by this, so the past score is The performance process is always displayed on the screen, so it is possible to display the musical score convenient for examining the performance process.

[Brief explanation of drawings]

Stripe 1 is a block diagram showing the configuration of an embodiment of the present invention.
Fig. 2 is a diagram showing the configuration of slot block SB, Fig. 3 is a musical score showing an example of a song, and Fig. 4 is a diagram showing the structure of slot block SB.
5 is a diagram showing the configuration of the display block HB, and FIG. 6 is a diagram showing a specific example of the display block HB, and FIG. The figure shown in Fig. 7 is the first
FIG. 8 is a flowchart for explaining the data processing process of the scroll processing circuit 6 in FIG. 1. FIG. 9 is a diagram showing vectors forming a note pattern. 2... Instrument interface, 3...
Note selection processing circuit, 5...Symbol assembly processing circuit,
6... Scroll processing circuit, 7... Display device, 8... Music note display processing circuit. Figure 5'' Figure 6 Figure 7 Figure 9

Claims (1)

[Claims] In a score display method that sequentially displays scores on a display screen based on supplied score information, when the display is performed over the entire display area of the display screen, the display on the display screen is changed to: A musical score display method characterized by shifting the musical symbol by a width that can display the musical symbol, and displaying the next musical symbol in the margin of the display area of the display screen created by this.