WO2009104934A9

WO2009104934A9 - Pocket violin implementation method

Info

Publication number: WO2009104934A9
Application number: PCT/KR2009/000841
Authority: WO
Inventors: 황재엽; 양기호
Original assignee: Hwang Jay-Yeob; Yang Giho
Priority date: 2008-02-23
Filing date: 2009-02-23
Publication date: 2010-02-11
Also published as: WO2009104934A2; WO2009104934A3

Abstract

The invention relates to a pocket violin implementation method. It is an aim of the invention to implement a virtual violin in a small information device having a multi touch screen. In particular, the invention provides a user interface allowing a user to play the violin as similarly as possible to playing a real violin. This is achieved by providing the multi-touch screen with four violin strings, setting high and low frequencies to be output depending on the position touched by any finger(s) of the user’s left hand, and providing a virtual bow to allow the user to bow a particular string for a given degree of inclination of the bow. With the help of the invention, the user may enjoy playing the violin through a cell phone anywhere at any time, feeling almost like playing a real violin.

Description

How to implement a pocket violin

The present invention is a violin implementation method for implementing a violin on a portable information device.

[Document 1] Iano for iPhone application (http://justanotheriphoneblog.com/wordpress/wp-content/uploads/2008/02/iano.htm)

The present invention is to implement a virtual violin in a small information device having a multi-touch screen.

On mobile phones such as the iPhone, you can enjoy applications such as Pocket Guitar and Pocket Piano as described in Literature 1. However, in the case of the violin, there are various techniques of playing, and one line of bows has to be turned on, which is not easy to implement on a flat multi-touch screen. Of course, since the multi-touch screen is provided, it can be treated by rubbing the string with the finger, but if you rub in the same direction as the string, the feeling will be reduced, and rub across the string like the actual string, There is a difficulty in expressing the sound smoothly.

The present invention has been made to solve this problem, and in particular, to provide a user interface that can be played as close as possible to the actual operation of the violin.

Provides 4 strings for the violin on the multi-touch screen, sets the pitch of the output frequency according to the position of the left hand, provides a virtual bow, and turns on the string according to the degree of inclination. Also, if a touch is detected, which is not an operation of turning on the virtual bow, it is treated as tearing the string if it is in the fingering area, and dropping the bow at the string if it is in the bowing area.

By using the present invention, it is possible to enjoy playing the violin almost like a real performance on a mobile phone anytime and anywhere.

1 is an embodiment of the present invention.

2 is a diagram illustrating a method of operating a bow.

3 is a flowchart of a right hand operation process.

4 is a left hand manipulation process diagram.

5 is a process chart of the main method for dropping the bow to bounce continuously.

Hereinafter, the present invention will be described with reference to the drawings.

1 is an embodiment of the present invention.

As shown in the figure, the violin neck is divided into the fingering area 2 and the bowing area 4 on the multi-touch screen 1, and in each area there are four strings 3 of the violin. These strings are arranged from the right side of the string (E), La (A), Le (D), and Sol (G), respectively, like the actual violin. In addition, a virtual bow 5 and an effect button 6 are provided in the unarching area 4.

In such a screen, when the player taps the string 3 in the fingering area 2 with the finger, the sound corresponding to the position is set, and when the finger touches the end of the virtual bow 5, the virtual bow 5 It is treated as a holding, and then by moving the finger holding the virtual bow (5), when you turn on the string you want to turn on with the virtual bow (5) is the set sound is output. The

effect buttons

6 and 7 are used to express various arching methods of the virtual bow 5 violin in the arching area, and are used to change the main method of bowing with the virtual bow 5. For example, it is a kind of mode selection button that allows the player to decide whether to make a spiccato effect or drop the bow to a string when directly touching it with a finger instead of the virtual bow 5. There is a default setting mode, and if you press the effect button, you can select a different performance effect than the default setting. With two buttons, you can select up to four performance effects.

Next, a method of operating the bow will be described.

The actual violin is to rub a tight bow into the strings, so the four strings are slightly lower in the outer strings and a little higher in the inner strings so that the bows touch each string smoothly. Therefore, in order to turn on this string, the bow angle that touches each string must be different.

The present invention applies this point to a virtual bow.

2 is a diagram illustrating a method of operating a bow.

Figure (a) shows the bow placed on the E string to turn on only the E string. Movement in the same direction as the bow is recognized as turning on the E string, without removing the finger holding the end of the bow from the screen. If you slightly raise it up, it turns into a bow that turns on only the string A, which turns on the next string, and if you actually move in the same direction as the bow, only the string A is turned on.

Figure (b) shows a bow placed on the string A and turning only the string A. Movement in the same direction as the bow is recognized as turning on the string A, with the finger holding the tip of the bow off the screen. If you slightly raise it up, it turns into a bow that only turns on the D string that turns on the next string, and if you move in the same direction as the bow, it turns on the D string only. Also, if you slightly lower the finger holding the end of the bow off the screen, it turns into a bow that turns on the sage E string on the right side.

Figures (c) and (d) show the change of the bow that turns on the D string on the D string and the bow that turns the G string on the G string, respectively. Same as the case of b).

Next, we will look at how this operation is implemented.

3 is a flowchart of a right hand operation process.

When the playing is started (10), if a rhythm signal is detected in the rhythm area (20), the movement angle of the rhythm signal is measured and compared with the direction of the bow (30). At this time, if the direction of the bow is matched to turn on the currently located strings and outputs the sound on the current string (40). Here, of course, in the determination of the direction, the error range is predetermined to some extent, so that the bow can be turned on well at an approximately similar angle.

If it is different from the bow direction, that is, if it exceeds the error range, the direction is determined (31) within the bow angle range of the bow on which the left string is turned, and the bow bow on the left string is changed and within the bow angle range of the bow on the right string. Then it turns into a bow for the right string (32), and the rest of it is ignored.

This process continues until the end of the performance.

However, this method is deformable. The virtual bow is omitted, and the drag angle is calculated by turning on the string corresponding to the angle when the drag occurs. At first glance it looks the same way, but the virtual bow method requires the process of manipulating the virtual bow to achieve the desired angle, but this transformation method does not require such a process.

In addition, the angle may be further subdivided to define angles for turning on two adjacent strings simultaneously.

Next, a description will be given of a process of discriminating and processing the pizzicato method, in which the left finger is placed in the fingering area to determine the sound or the string is played directly.

4 is a left hand manipulation process diagram.

When the touch signal is detected in the fingering area (100), the timer is activated (200).

The system determines whether the string where the touch signal occurs is the current string that is currently ringing (300), and if it is not currently ringing, waits to release the finger from the screen (310). The sound (hereinafter, first standby sound) is output (311). In other words, this case is a case where the right hand is recognized and processed as if the sound is played. When the reference time elapses without removing the finger (320), the first standby sound is changed to a newly recorded sound (330). In this case, this operation is recognized and processed as a left-handed note.

If the touch signal is detected (100) after the timer is activated (200) and the current string is the current string ringing (300), if the string is ringing, it is determined whether the sound is higher than the current output sound (400) if not the second Change the standby sound (at this time, the second change sound is a standby sound that is determined when the finger holding the first change sound in the same string) 410, and if it is higher than the current output sound, it is determined whether to release the finger later (500). When released within the reference time, the currently output sound is output again (510), and when the reference time has elapsed (600) while the fingers are not dropped (600), the currently output sound is changed to the newly recorded sound and output as a sound ( 700). In this case, the motion is recognized and processed as a new note with the left hand. The explanation of this step is understood as a case where the sound is changed while the string is ringing, and the changed sound is left to handle the sound.

Through this process, the touch signal generated in the fingering area can be processed by distinguishing whether it is a sounding operation or a string breaking operation.

Next, a method of distinguishing spiccato, mesospicato, or a state method of dropping a bow onto a string will be described.

In the archery area, you can use the method of turning on the virtual bow and touching the fingertips instead of the virtual bow to handle various violin playing techniques.

First, the state of spiccato will be explained.

Since the spiccato law is not a slow bow, but a bow that lifts the bow as soon as it hits the string and lifts it like a repulsive bow, it is difficult to implement this law with the virtual bow 5.

In order to implement this, the present invention replaces the virtual bow 5 with a direct touch with a finger. In other words, if you touch the string you want to turn on with your fingers, you can output it as a spiccato effect.

If you want to make mesospicato effect, you can touch the string with your index finger while pressing the upper one of the effect buttons on the lower right. That is, the upper button of the lower right button is the default setting is spiccato, and when the button is pressed, the mode is switched to meso spiccato. It is no wonder that the default settings and the options are interchangeable. Also, other combinations other than spiccato and mesospicato may be used.

The following section describes how to handle the drop of a bow naturally on a string to produce a repercussion of strings and bows, and the effect of a faster acceleration due to gravity.

A feature of the present invention in processing this law is that it does not hold a virtual bow. The player only needs to consider one finger of the right hand as a bow, and then tap the desired string in the arched area shown on the screen with his finger, then release it as if it is popping straight away and then attach it again. Unlike the actual performance, the actual bow bounces back and forth with the repulsive force with the strings, but in the present invention, it is impossible to obtain a natural repulsive force because the finger touches the hard screen, so that the artificial force is input to the program. In order to touch the finger twice in succession to measure the force to bounce by the size of the gap. In other words, as the actual drop is dropped from the high place, the amplitude becomes larger and the drop interval is larger. In this way, you can enter this method with two consecutive touches, and if the player keeps holding the second touch straight off the screen, the program produces the effect until it falls off the screen. Of course, it's getting slower and stops without sounding anymore. It will be described below with reference to the drawings.

When the performance starts (1000), when the first touch signal is detected in the cloud area (2000), it waits for it to fall within the reference time (3000), and when it falls, it makes a primary bow drop sound with the sound on the string. (4000). If the touch signal does not fall until the reference time passes, the sound ringing from the string is muted (3100).

When the first drop sound is output (4000) and the second touch signal is detected at the same place (5000), the bow bounce rate is calculated by calculating the interval between the first touch signal and the second touch signal (6000). The bow bounce uses strings and bow repulsions and natural drops, so as time goes by, the width narrows, the bounce gets faster, and eventually the vibration stops and the sound stops. This effect can be achieved by multiplying the initial interval (the interval between the primary touch signal and the secondary touch signal) by a certain number of ratios (for example, 1/2) in order to create a faster sound. Since this interval is infinitely small, a standard (for example, 0.1 second) which is judged to be sufficiently small in amplitude is determined and output is not performed when the interval is less than that. The sound is output at the calculated intervals (7000).

Thereafter, when the secondary touch signal drops from the touch screen (8000), the output sound stops (9000), and if it does not fall, it waits when the reference calculated by the amplitude calculated above becomes small (8100) or stops the output (9000). When the criteria has not passed, the process proceeds to step 8000 in which it is determined whether the secondary touch signal falls.

Through this process, the state law of dropping the bow naturally on the string can be handled. You can also set this note as the default setting or play it by holding down either the top or bottom of the effect buttons on the bottom right.

The

effect buttons

6 and 7 are not provided with two as shown in the example, and can be provided as many as necessary regardless of the number, and basically used as a button for changing the arching method.

Although the present invention has been described above, the present invention can be applied not only to a violin but also to a stringed instrument which makes a bow and sounds such as a cello and a viola. Therefore, it will be apparent that the present invention is not limited to violins.

Claims

In the method of implementing a string instrument in a portable information device having a multi-touch screen,

On the multi-touch screen, the fingering area where the virtual strings for pitches are displayed and the clouding area for bows are displayed.

If the drag occurs in the cloud area, the string instrument playing signal input method, characterized in that different virtual strings are played according to the direction of the drag.
The method of claim 1,

The string instrument performance signal input method, characterized in that the virtual bow moving in parallel with the direction of the drag is further displayed on the screen.
The method of claim 1,

If the touch signal generated in the fingering area is longer than the reference time occurs, the operation to put the sound, if the shorter than the reference time, the string instrument playing signal input method, characterized in that the processing to divide.
The method of claim 1,

One or more effect buttons are provided on the screen,

If the sound effect signal is input while the effect button is pressed, the string instrument playing signal input method, characterized in that for processing and outputting a predetermined effect on the performance sound.