KR20080085340A - Finger tap electronic music instrument - Google Patents

Abstract

A finger tip electronic music instrument using a tactile sensor is provided to play music freely by simply contacting fingers of a user on an arbitrary object or on the body of the user. A tactile sensor unit(10) includes a plurality of tactile sensors attached to a plurality of finger tips to detect a surface contact state of fingers as a signal. A signal conversion unit(20) collects signals of the tactile sensor unit with respect to the contact state of the plurality of fingers through a fixed line or wirelessly, generates a digital sound symbol such that the plurality of finger contact state information correspond to the musical scale, the volume, a change in a musical interval, and a duration of a sound, and outputs the same through the fixed line or wirelessly. A sound reproduction output unit(30) receives the digital output signals of the signal conversion unit through the fixed line or wirelessly and reproduces them as sounds.

Description

Finger Tap Electronic Music Instrument using Tactile Sensor

1 is a finger tap electronic musical instrument using a tactile sensor composed of a tactile sensor unit 10, a signal converter 20, and a sound reproduction output unit 30;

2 is a state attached to the tactile sensor to the fingertips.

3 is a diagram of playing the finger tap electronic musical instrument using the arm surface of the body.

4 is a state in which playing the finger tap electronic musical instrument using the surface of the body leg in the active state.

5 is a block table related to the configuration of the signal conversion unit 20. FIG.

6 is a block table related to the configuration of the sound reproduction output section 30. FIG.

7 is a digitally generated signal and a sign conversion rule according to a finger contact state

The present invention relates to an apparatus related to an instrument for playing a note by a finger-tapping operation of a finger.

Conventional instruments for playing notes by the operation of the finger generally include string instruments, wind instruments, keyboard instruments, percussion instruments, etc., depending on the physical method of reproducing the notes.

Such a conventional musical instrument commonly generates a sound by pressing a predetermined area according to the musical instrument with a finger. Both hands and parts of the other body are very limited in activity while playing the musical instrument.

In the case of stringed instruments, the pitch and timbre produced are determined by the position of the string the finger presses and the strength of the string relative to the string. In general, the two hands perform the action of pressing the finger and bouncing the string to produce a note. Less degrees of freedom

In the case of wind instruments, the pitch and timbre produced are determined by the opening and closing of the finger and the size of the open hole at a given position with respect to the pipe. In general, the two hands are used to press the finger and support the pipe. It uses little breath to generate sound, so voice cannot be generated at the same time.

In the case of keyboard instruments, the pitch and timbre produced are determined by the finger movement and the size of the pressing of the key at a given position.The two hands are used for pressing the keys, so there is less freedom for other activities, and like the accordion, Physical activity is limited when attached.

Percussion instruments vary according to the physical properties, materials and surface properties, size, and tension of the instrument, but once the characteristics of the instrument are determined, the pitch and tone produced are determined by the tapping area and the tapping strength. It is used to tap, so the freedom of other activities is limited.

Some instruments can be fixed to the body so that the player can play in parallel with movement and activity, but in general, the player's hand is used to support the instrument or perform a push to a given position and area. The degree of freedom is very limited.

Some instruments such as castanets, tambourines, gongs, gongs, drums, django, etc. are relatively easy to attach to the body and play in parallel with physical activities, but they are limited in implementing rich ranges and tones such as the composition of melodies.

In the case of electronic musical instruments, the use of electronic circuits and electric vibration output devices in the generation and output of sound sources differs from the general musical instruments. Therefore, the limitation on physical activity is not very different from that of the general musical instrument.

The present invention can perform the performance in a state where the body is free, including the arms and voice, regardless of the position, posture and activity state of the player without holding the instrument having a specific volume and weight in the hand or other parts of the body It is about an electronic musical instrument.

The present invention is to implement a new musical instrument that can freely play the sound only by the touch action of the finger to any object or the surface of the body by using a pinker tab device of small weight, volume and simple to wear.

The present invention relates to an electronic musical instrument for reproducing sound by providing a digital sound reproducing code generated by combining signals provided by the tactile sensor according to a contact state of a plurality of fingers to a sound reproducing output device by wire or wireless means. .

In order to select the sound, the device does not press the finger at a specific position or area predetermined according to the instrument, but touches the finger on an arbitrary surface or any position such as a desk, a wall, a floor, a body part such as an arm or a knee, etc. It is characterized by selecting the sound.

The device is characterized in that for selecting a sound, when two or more fingers are in contact with each other, different sounds are generated according to the touched finger combination. In other words, when the thumb and the index finger are contacted at the same time, only the thumb and the index finger are in contact with each other, different sounds are generated. For example, the fingering may be determined such that the scale “C” is generated when the thumb is touched, the scale “D” is generated when the index finger is touched, and the scale “C ＃” is generated when the thumb and the index finger are touched at the same time. .

The device detects a contact state according to the contact (ON) and contactless (OFF) of a plurality of fingers with respect to an arbitrary surface using a maximum of 10 fingers, so that the touch operation of the finger allows a maximum of 1024 different sounds. It is a device that can generate.

The apparatus is also characterized in that the tactile sensor attached to the fingertip can control the output volume by detecting a signal correlated with the strength of the force pressed by the finger and providing it as a digital signal having information on the volume.

The device also detects a signal associated with the contact motion of a finger, such as a tactile sensor attached to the fingertip by rubbing or rubbing a finger, and providing it as a digital signal having information about the tone and scale change. ), Tremolo, vibration, etc. can be expressed.

With this device, a simple PinkerTap device can be mounted on the hand to hold a musical instrument of a certain volume and weight, or not to be worn on other parts of the body. This makes it easy to perform the instrument even when you are active, such as dancing or singing.

The finger tap electronic musical instrument of the present invention is attached to a plurality of fingertips, and digitally combined by collecting signals from each sensor and the tactile sensor unit 10 which detects a contact state of a finger according to a touch action of a finger on an arbitrary surface. A signal conversion unit 20 for converting a signal and a sound reproduction output unit 30 for reproducing and outputting a converted sound are input as shown in FIG. 1.

The tactile sensor unit 10 is attached to the contact portion of the pressing finger as shown in [2] and is fixed in such a manner as to prevent the operation of the fingers and hands in the form of adhesive, tape, band, thimble, gloves and the like.

The tactile sensor of the tactile sensor unit 10 may use an auxiliary fixture or be inserted into the finger skin for mounting on the finger.

The tactile sensor of the tactile sensor unit 10 is a device that provides a function of providing a contact state of a finger as an analog or digital signal that can be distinguished into a contact (ON) and a non-contact (OFF) state, and the pressure according to the contact state of the finger. Sensors can detect changes in electrical, magnetic, optical, thermal, chemical and biological properties.

The tactile sensor of the tactile sensor unit 10 is also an element that performs a function of providing a signal having a linear or nonlinear function with respect to the magnitude of the force pressed by the finger so as to adjust the loudness according to the contact strength of the finger. It is a sensor that can detect changes in pressure, electrical, magnetic, optical, thermal, chemical and biological properties according to the contact state of the finger.

The tactile sensor of the tactile sensor unit 10 may be attached to a plurality of fingers as shown in FIG. 1. 3 and 4 can detect a contact state of a finger on any surface, such as a desk, a floor, a wall, or a body part, by using a finger gesture as a signal, and provide two signals. In the case of contact, both detection states of the corresponding sensors are considered to be ON.

The tactile sensor of the tactile sensor unit 10 may also provide a volume information by outputting a signal that has a correlation with the pressing intensity of the finger when the finger is in contact.

The tactile sensor of the tactile sensor unit 10 may also output a signal that correlates with an operation such as rubbing or rubbing the surface of the finger when the finger is in contact to provide information about the tone and the change of the scale. Can be.

The signal converter 20 collects signals related to the contact (ON) and non-contact (OFF) state and the contact strength provided from the plurality of tactile sensors to generate a digital code in a combined form, and to the sound reproduction output unit 30. To pass.

The signal converting unit 20 is characterized in that the digital signal generated when a plurality of fingers are in contact at the same time is distinguished from the digital signal generated when only a single finger is in contact. For example, the signal converter 20 outputs different digital signals when only the thumb is in contact with the index finger but when the thumb and the index finger are in contact. This allows you to create up to 2 ¹⁰ = 1024 scale and tone combinations using 10 fingers.

The signal conversion unit 20 is also characterized in that it can be converted into a digital code containing information about the time the finger contact lasted.

The signal converter 20 may further convert the detection signal of the tactile sensor generated according to the strength of the finger press into a digital code related to the volume.

The signal conversion unit 20 may further convert a detection signal of the tactile sensor generated according to an operation such as a finger rubbing or rubbing a surface into a digital code related to a volume.

The converted sound reproduction code generated by the signal conversion unit 20 may be transmitted to the sound reproduction output unit 30 by a wired or wireless method.

As shown in FIG. 5, the signal conversion unit 20 includes a tactile signal input unit 21, a signal processing unit 22, and a negative code output unit 23, and a tactile signal input unit 21. The signal processing unit 22 converts a signal from the tactile sensor unit input into the digital signal into a digital signal, and converts the signal from the tactile sensor unit 22 into a digital code representing the scale, volume, and duration of the reproduced sound according to a predetermined rule. The data is transmitted to the sound reproduction output unit by wire or wirelessly.

The sound reproduction output unit 30 reproduces a sound having a predetermined pitch, tone, and volume according to the encoded sound reproduction signal input from the signal converter 20 by wire or wirelessly.

The sound reproduction output unit 30 is composed of a sound code input unit 31, a sound reproduction control unit 32, a sound source unit 33 and a sound output unit 34 as shown in FIG. The sound reproduction control unit 32 uses a single or a plurality of sound sources built into the sound source unit 33 according to a sound reproduction code input to the sound code input unit 31 by wire or wirelessly. , Reproduces the sound having a tone and volume and provides the analog output signal to the sound output device unit 34, and the sound output device unit 34 outputs the sound reproduction signal through the speaker.

The signal conversion unit 20 and the sound reproduction output unit 30 are configured in the form of a terminal and can be worn on body parts such as wrist-type, body-contact type, necklace, earphone, headphone, pocket type and clothes. The configuration of such a device can be used as a portable electronic musical instrument in which sound generated by a finger contact operation is directly output to a speaker or earphone of a portable device.

In addition, the signal conversion unit 20 is configured in the form of a terminal that can be worn on body parts and clothes, such as wrist type, body contact type, necklace, earphone, headphone, pocket type, sound reproduction output unit 30 May be composed of a sound code input unit 31 and a general audio device. The configuration of such a device can be used as an electronic musical instrument in which sound generated by a finger contact operation is output through a home or a large speaker through an audio device.

The digital sound reproducing code provided by the signal conversion unit 20 may be compatible with international standards for controlling or interoperating digital electronic instruments such as MIDI (Musical Instrument Digital Interface).

(Example)

Five small thin film switches in which electrical interruption is performed by the contact pressure of the finger are fixedly attached to each fingertip contact portion inside the right hand glove, thereby forming a tactile sensor unit 10 having a shape as shown in FIG. 1.

The signal conversion unit 20 is connected to each switch of the tactile sensor unit 10 by a flexible wire, and the tactile signal input device unit 21 for measuring a voltage signal of 2V when a finger touches and 0V when a contact is not made from the ground of the device. And, check whether signal input is generated from each switch element at 50ms period, and when the signal input is generated, generate 5 bit digital signal combining contact status signal from 5 switch elements, and adjust the pitch and duration information. The circuit is composed of a signal processing device section 22 for converting into a code having a code and a negative code output device section 23 for outputting the generated pitch code. The rule was set as shown in FIG.

The sound reproducing output unit 30 is provided with a tone code input unit 31, which is an input terminal of the digital tone code of the signal conversion unit 20, and the pitch and tone according to the digital tone code input using an 8-bit microcontroller. The tone and tone, the volume and the duration that are regulated by receiving the control signals of the sound reproduction control unit 32 and the sound reproduction control unit 32, which are digital circuits that provide the duration and volume information of the sound source device 33 to the sound source device 33. A circuit was composed of a sound source device section 33 composed of a commercial sound source chip element and an audio amplifier and a sound output device section 34, which is a 5W small speaker circuit, to reproduce sound for time information. In this device, the sound reproduction control unit 32 is equipped with a push button to selectively output three tones of piano, violin, and flute according to the user's selection.

The signal conversion unit 20 and the sound reproduction output unit 30 of the device were manufactured in the form of an integrated terminal and fixed to the wrist position of the glove equipped with the tactile sensor unit. In addition, a 3.7V lithium ion battery was used as the power source for this device.

After turning on the power of the produced device, pressing the button of the sound reproduction output unit 30 to select the piano mode, the finger contact operation was sequentially performed in the following order.

-Press and hold your thumb for about 0.5 seconds.

-Press your thumb, index finger and for about 0.5 seconds simultaneously and release.

-Press and hold the index finger for about 0.5 seconds.

-Press and hold the index finger and middle finger for about 0.5 seconds at the same time.

-Stop and hold for about 0.5 seconds then release.

-Press and hold the ring finger for about 0.5 seconds.

-Press and release the middle finger and ring finger at the same time for about 0.5 seconds.

-Press and hold for about 0.5 seconds.

-Simultaneously press and release the ring finger for about 0.5 seconds.

-Press the index finger and ring finger simultaneously for about 0.5 seconds and remove it.

-Press the index finger, ring finger, and the ground for about 0.5 seconds and then release.

-Press and hold the index finger and the ground for about 0.5 seconds at the same time.

-Press and hold for about 0.5 seconds at the same time and release.

Execution Result A 12-note piano note was played sequentially, starting with (C ₀ ) and increasing in semitones.

The present invention relates to an instrument that can be played freely regardless of the posture and activity state of the performer and the specific playing position without holding an instrument having a specific volume and weight in a hand or wearing it on another body part. With the PinkerTab equipped, you can play in any space, any posture, or any activity, allowing you to easily perform your instrument while you are dancing, singing, active or moving. It can embody forms of performing arts.

In addition, the finger tap electronic musical instrument implemented in the present invention is equipped with a simple pinker tab musical instrument in a hand without holding a musical instrument having a specific volume and weight in a hand or on another body part, and can be used in any space, any posture, and any It can be played even in the active state, so it can be used as a musical instrument for general use and for education.

Claims (9)

A tactile sensor unit 10 attached to a plurality of finger tips and configured with a plurality of tactile sensors for detecting a surface contact state of a finger as a signal; Digital signal sign so that the signal of the tactile sensor unit 10 for the contact state of the plurality of fingers is wired or wirelessly, so that the plurality of finger contact state information corresponds to the scale, volume, pitch change and duration of the generated sound. Signal conversion unit 20 for generating a wired or wireless output and; It is composed of a sound reproduction output device unit 30 for receiving the digital output signal of the signal conversion unit 20 by wire or wirelessly to reproduce the sound, To generate a sound having a scale, volume, pitch change, and duration corresponding to a touch action of a plurality of fingers to any surface, such as a desk, a floor, a wall, a body part, without specifying a contact position of a finger in advance, Finger touch finger tap electronic instrument with tactile sensor. The method according to claim 1, The tactile sensor of the tactile sensor unit 10, A sensor capable of detecting pressure, electrical, magnetic, optical, thermal, chemical and biological property changes according to the contact state of the finger, Finger touch finger tap electronic instrument with tactile sensor. The method according to claim 2, The tactile sensor, Characterized in that the function of outputting the contact state of the finger as an analog or digital signal that can be distinguished between the contact (ON) and non-contact (OFF) state, Finger touch finger tap electronic instrument with tactile sensor. The method according to claim 2, The tactile sensor, Characterized in that it outputs an analog or digital signal that has a correlation to the strength of the finger press, Finger touch finger tap electronic instrument with tactile sensor. The method according to claim 2, The tactile sensor, Outputting an analog or digital signal having surface contact state information relating to a rubbing or rubbing operation with a finger, Finger touch finger tap electronic instrument with tactile sensor. The method according to claim 1, The tactile sensor unit 10, Characterized in that the tactile sensor is fixed and attached in the form of adhesive, tape, band, thimble, gloves, auxiliary fasteners, intradermal insertion, etc. to the contact of the pressing finger so as not to interfere with the operation of the finger and hand, Finger touch finger tap electronic instrument with tactile sensor. The method according to claim 1, The signal conversion unit 20, Distinguish between the case where a single finger is touched and the case where a plurality of fingers are touched at the same time, and outputs with different digital negative codes, and when the plurality of fingers are touched at the same time, outputting with different digital negative codes according to the combination of contact states of each finger. Characterized by Finger touch finger tap electronic instrument with tactile sensor. The method according to claim 1, The signal conversion unit 20 and the sound reproducing unit 30 are in the form of an integrated terminal, characterized in that worn on the body parts and clothes, such as wrist-type, body contact type, necklace, earphones, headphones, pocket type, Finger touch finger tap electronic instrument with tactile sensor. The method according to claim 1, In the form of the signal conversion unit 20 and the portable terminal is worn on body parts and clothes, such as wrist type, body contact type, necklace, earphone, headphone, pocket type, The sound reproducing apparatus unit 30 is configured as a separate device from the signal converting unit 20 and receives the sound code output from the signal converting unit 20 by wireless or wired to generate sound, amplify and output the audio to the speaker. Characterized in that the device, Finger touch finger tap electronic instrument with tactile sensor.

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