CN1432996A

CN1432996A - electronic musical instrument

Info

Publication number: CN1432996A
Application number: CN 02100316
Authority: CN
Inventors: 郑佳明
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-01-07
Filing date: 2002-01-07
Publication date: 2003-07-30

Abstract

The present invention is an electronic musical instrument, on the main body of which are provided a chord button unit, a sound unit, a central processing unit, an 1CD display unit, and a sound effect unit; the chord button unit decodes the chords of the guitar into two groups of key groups, namely, main chord keys and chord decoding keys with relatively low difficulty, and is convenient for selection and pressing with the thumb and four fingers of one hand of the player; and the sound unit is provided with up to 18 groups (even 24 groups) of sound parts, so that the player's other hand can pluck and produce string sounds of 3-4 octaves, so as to satisfy the chord saturation as much as possible, and its signal is read and processed by the central processing unit and released by the 1CD display unit and the sound effect unit, so as to form a new electronic musical instrument with shortened learning time, ergonomics, and greatly increased chord timbre saturation, so as to promote the utilization and implementation of the musical instrument industry.

Description

Electronic musical instrument

Technical field

The present invention relates to musical instrument, especially a kind of electronic musical instrument, at traditional guitar improvement, the brand-new electronic musical instrument that make it to reach convenient study, operate easily, the polyphonic ring tone color saturation heightens.

Background technology

Press, fierceness in the face of current market competition, making rapid progress of various industrial technologies, each manufacturer is engaged in research and development with doing one's utmost invariably, praying the technical field that can break through existing product, and the first chance that in time can occupy market, and if can develop the product of pioneer's type in a certain technical field, then more can do a revolutionary impact, and the consumer is provided more advanced innovative product this technical field; Based on this, just the electronic technology and the music background of inventor institute speciality are example, and guitar can say to be one to have representational musical instrument, but we also know, be not every and musically can play guitar per capita, its great reason is in learning disorder, and the scarce bar that its reason and traditional guitar exist is as follows:

1. believe and learned or bullet is crossed the experience that can know from experience per capita of guitar, promptly be in the process of study guitar, must overcome the pain sense when pinning the string of a musical instrument, therefore, practician's finger tip is all because of contacting string of a musical instrument elongated cocoon for a long time, this is the experience that many people have, that is the reason of women learner's retreatment.

2. traditional guitar is because the face of manipulating the strings needs parallel audio amplifier, and the face of manipulating the strings is by the chord face, makes guitar the time not add considering of ergonomics fully in design, so bend the left hand wrist in must be very factitious by fingering the time, not only unnatural, and the finger shorter one can't learn at all.

3. traditional guitar for fear of the finger flexible permission, can only allow guitar always have six strings of a musical instrument, but in this condition, will comprise the chord of 2-3 octave, thus must some string sound must give up.

4. to select also be limited to the tone color of traditional guitar, can't compare with electronic musical instrument, and be subject to the finger flexibility ratio in study, some fingering and nonowner be equal can practice into.

Summary of the invention

Therefore, this is the place of this case inventor's creation motivation.For this reason, the inventor is for overcoming aforementioned disappearance, background based on electronics specialty and music attainment, set about being developed, this satisfies to think to reach and get rid of the use of commonly using the string of a musical instrument on guitar body through continuous research, test, with its electronization, and can get rid of aforementioned disappearance fully, making study guitar musical instrument no longer is difficult matter, and this is main intention of the present invention place.

Be with, major technique of the present invention is to replace the string of a musical instrument with electronic key, and make traditional chord be decoded into the lower key that winds up of difficulty, two groups of key-press groups of chord decoding key, and cooperate player's thumb on the other hand, four refer to that conveniently choosing is pressed, do not have again difficult by disappearance, traditional place of manipulating the strings then replaces with the pronunciation unit of electronic type, it is established to reach the pronunciation portion of 18 groups (even 24 groups), dial bullet and can send the string sound of 3-4 octave for player's in addition hand, and advance the possible chord saturation degree that satisfies, its signal is read via central processing unit handle the back from the 1CD display unit, the audio unit disengages, and reaches when shortening study, cooperate ergonomics, the brand-new electronic musical instrument that the polyphonic ring tone color saturation heightens.

Fundamental purpose of the present invention is to make traditional guitar to get rid of the use of the string of a musical instrument fully, make it reach all-electronic boundary, and have concurrently study easily, shorten learning time, meet ergonomics, the polyphonic ring tone color saturation heightens and reduce many effects gain place of the wrong rate of bullet.

For reaching above-mentioned purpose, electronic musical instrument of the present invention is provided with the chord pushbutton unit on the musical instrument main body, the pronunciation unit, central processing unit, 1CD display unit and audio unit, the chord pushbutton unit is decoded into main string key with the chord of traditional guitar, two groups of key-press groups of chord decoding key, it is the mass tone of corresponding traditional chord respectively, the choosing that the chord decoding is transferred is pressed, and cooperate player's thumb on the other hand respectively, four finger choosings are pressed, the pronunciation portion with 18 groups is then established in the pronunciation unit, dial bullet and can send the string sound of 3 octaves for player's in addition hand, this pronunciation of 18 groups partly is three row, be divided into height, in, the arrangement of bass, one classifies 6 groups of pronunciation portions as, and corresponding one group of chord, it is the corresponding sound of each pronunciation portion, the corresponding respectively chord roll call that is calculated of the pronunciation portion of every row, calculate by the central processing unit arrangement with great roll call, central processing unit contains the chord information storehouse and calculates the chord coded program, the chord decoding key of this chord pushbutton unit is arranged corresponding chord sign indicating number in regular turn and is stored in the data bank, and the signal of chord pushbutton unit and pronunciation unit reads processing after the 1CD display unit through central processing unit, the audio unit disengages.

Description of drawingsFig. 1 is a stereographic map of the present invention; Fig. 2 is implementing procedure figure of the present invention; Fig. 3,4 is other three-dimensional views of the present invention; Fig. 3 A is that main string key arranged of the present invention is implemented illustration; Fig. 4 A is that chord decoding key arranged of the present invention is implemented illustration; Fig. 5 is the simple and easy sign indicating number of the chord of the present invention table of comparisons; Fig. 6 is a rocker actuator stereographic map of the present invention; Fig. 7,8 is a rocker actuator start reference diagram of the present invention; Fig. 9 is a circuit diagram of the present invention; Figure 10 is the selector circuit figure among Fig. 9; Figure 11 is singly-bound (or driving lever) the signal input circuit figure of pronunciation of the present invention portion; Figure 12 is software operation workflow figure of the present invention; Figure 13 is that the sound of chord is inserted offset table; Figure 14 A, B, C are that 1CD display unit of the present invention is implemented illustration; Figure 15 is the chord name table of E chord; Figure 16 is the chord name table of A chord.

Embodiment

See also shown in Fig. 1,2, Fig. 2 is implementing procedure figure of the present invention, and electronic musical instrument of the present invention is provided with chord pushbutton unit 1, pronunciation unit 2, central processing unit 3, LCD display unit 4 and audio unit 5 on musical instrument main body 10, its actual embodiment is then as Fig. 1-Fig. 4, wherein:

Musical instrument main body 10, moulding can be similar to general guitar, has audio amplifier 101 and support arm 102.

Chord pushbutton unit 1, has main string key 11 respectively, two groups of key-press groups of chord decoding key 12, main string key 11 is made as the keynote rank, as C1, D2, E3, F4, G5, A6, (wherein letter is roll call to B7, numeral is the numbered musical notation sign indicating number, see Fig. 3, Fig. 3 A), chord decoding key 12 then is by going out the binary bit decode key, can be designed to 1,2,3,4, the S1 key is seen Fig. 4, shown in Fig. 4 A, it is arranged by the numerical digit bit method and puts into the data bank 31 of corresponding chord sign indicating number in central processing unit 3 in regular turn, as shown in Figure 5, be the simple and easy sign indicating number of the chord table of comparisons, listed chord is a common user chord commonly used in the table, and its arrangement mode is with handy, good note reaches and connects to mainly considering; Main string key 11, chord decoding key 12 are decoded the chord of traditional guitar, make the mass tone of corresponding traditional chord respectively, choosing that the chord decoding is transferred by, for example: chord Cmaj 7, this main string key 11 is promptly pressed the C key, chord key 12 is then by the 2nd key (maj7) (seeing the corresponding tabular of Fig. 5), and main string key 11, chord decoding key 12 support arm 102 both sides that the position promptly is positioned at musical instrument main body 10 are set, make can be fit to respectively player's thumb, four on the other hand refer to convenient choosing by, and need not crooked wrist.Again wherein, each main string key 11 corresponding keynote, and the lifting sound then by two keys together by representing, just press C and D key two places as #C, #D just presses D and E key two places, and #F, #G, #A are then by that analogy, but there is no #B and #E two sounds in the music theory, so correspondence that need not this two sound is by the place.

Pronunciation unit 2 is provided with 18 groups pronunciation portion 21, dials bullet and can send the chord of 3 octaves for player's in addition hand, and it also can establish 24 groups pronunciation portion 21, makes the chord that can send 4 octaves, to promote the chord saturation degree; As Fig. 1, this pronunciation portion 21 of 18 groups is divided into three row, the from top to bottom suitable arrangement that is divided into high, medium and low sound, one classifies 6 groups of pronunciation portions 21 as, and corresponding one group of chord, it is each pronunciation portion 21 corresponding sound, the corresponding respectively chord roll call that is calculated of the pronunciation portion 21 of every row, the chord roll call calculates (seeing the explanation of central processing unit 3 these sections) by central processing unit 3 arrangements, if 24 groups pronunciation portion 21 again, then be made as four row, make the chord that can send 4 octaves; This pronunciation portion 21 is located at audio amplifier 101 places, with central processing unit 3 lines, it can be button, also can be rocker actuator 20 and connect central processing unit 3, as Fig. 6, rocker actuator 20 comprises a pedestal 201, one lighttight plastic plate 202, one flexible member 203 and a pair of sensor 204 are formed, pedestal 201 1 sides set firmly a fixed head 2011, fixed head 2011 extends a pair of transverse slat 2012, and plastic plate 202 is a semicircular plate, a driving lever 2021 is extended in its upper end, other its center-side is articulated in two transverse slats 2012 to be made in view of the above and can pivot, other sees Fig. 7,8, its bottom is connect by flexible member 203 and establishes, flexible member 203 termination in addition is located at pedestal 201, make plastic plate 202 pivot the back according to restorable, the circular arc side of this plastic plate 202 is provided with the equidistant open-work 2022 of plural number along arc surface in addition, this is divided into open-work 2022 both sides of plastic plate 202 to sensor 204 correspondences, sensor 204 1 can send infrared ray, and another then can receive, and its sensing circuit is connected to central processing unit 3 respectively, make the angle of stirring driving lever 2021 bigger, the open-work 2022 that sensor 204 senses the more, then the signal that is sent by central processing unit 3 is stronger, phonation volume is bigger.

Central processing unit 3, contain chord information storehouse 31 and calculate the chord coded program, the chord decoding key 12 of this chord pushbutton unit 1 is arranged corresponding chord sign indicating number in regular turn and is stored in the data bank 31, and the signal of chord pushbutton unit 1 and pronunciation unit 2 reads through central processing unit 3 and handles after LCD display unit 4, audio unit 5 disengage (see figure 2), in addition visible Fig. 9, be circuit diagram of the present invention, wherein selector switch 32 circuit diagrams are then as Figure 10, singly-bound (or driving lever) signal input circuit figure such as Figure 11 that again should pronunciation portion 21, this whole software flow then as shown in figure 12.

LCD display unit 4, it is a display screen, can be fixed in support arm 102 upper ends of musical instrument main body 10, watch in order to the player, it can show chord and the chord sign indicating number of playing at that time thereof, when pinning chord Cmaj7 by chord pushbutton unit 1, its display screen can demonstrate Cmaj7 and chord sign indicating number 1357 (seeing Figure 14 A in addition) thereof, and the sound of general chord is inserted offset table as shown in figure 13, can make all light left-hand seats of inexplicit user thus, and the clearer scale of playing reduces error rate.

Audio unit 5 is by loudspeaker 51 output audios.

Moreover, illustrate with integral body again, for example: desire is pressed chord E11, this main string key 11 is promptly pressed the E3 key, and chord decoding key 12 is promptly by the 2nd key and the 4th key 11 (seeing the corresponding tabular of Fig. 5), dial by the central processing unit 3 3#572#46 chord roll call that calculates of putting in order according to the required high, medium and low sound of player again, and LCD display unit 4 to be correspondence demonstrate, see Figure 14 B; Again for example: desire is pressed chord Am, this main string key 11 is promptly pressed the A6 key, and chord decoding key 12 is promptly by the 1st, 2,3,4 keys (m), see the corresponding tabular of Fig. 5, dial by the central processing unit 3 613 chord roll calls that calculate of putting in order according to the required high, medium and low sound of player again, and LCD display unit 4 to be correspondence demonstrate, see Figure 14 C, therefore, can say very clearly, the chord name of E chord, A chord shows visible Figure 15,16 reference table again.

In addition, shown in Fig. 1,4, a side of musical instrument main body 10 can be established a plug 103, according to can external source of sound device, make tone color true to nature and be not limited to the sound of guitar, and all tone colors can be by selecting, also can take in the use to fill up arbitrary lack and stringed musical instrument in the philharmonic society in the menu.Musical instrument main body 10 is provided with a battery chamber 104 again, and is provided with always rheology electrical equipment jack 105 and can connects dispatch from foreign news agency.

According to the above, the present invention provides a revolutionary innovation to traditional guitar as can be known, make its electronization fully, need not the string of a musical instrument, and the choosing of its chord is by last very easy, arbitrary learner is left-hand seat easily all, need not point the requirement of flexibility ratio again, therefore, can say a revolutionary invention, perhaps the someone can say the present invention and mellotron again, piano why not have with, inventor to say need not point flexibility ratio for a long time exercise be still the advantage that exclusively enjoys of the present invention, and the piano chord to play the ABC that needs music theory auxiliary, get half the result with twice the effort on the contrary, and the present invention has been arranged in all chord string sounds in one display, and the pronunciation button on/off in display is the string sound in same chord all, so can not send the surplus worry of the sound beyond the chord, this is and mellotron, not greatly not existing together of piano, and the present invention has been shaped on product, and complete no problem in the enforcement can be for showing and considering in light of actual conditions.

Claims

1, a kind of electronic musical instrument, it is characterized in that: be provided with chord button unit, pronunciation unit, central processing unit, 1CD display unit and sound effect unit on the musical instrument main body, the chord button unit decodes the chord of traditional guitar into main chord key, chord The two groups of keys of the decoding key correspond to the main tone of the traditional chord and the selection of the decoding key of the chord, respectively, and cooperate with the thumb and four fingers of the player's first hand to select the key, and the pronunciation unit is set with 18 groups of pronunciation Part, for the other hand of the player to pluck the strings of 3 octaves. The 18 groups of pronunciation parts are divided into three columns, divided into high, middle and bass arrangements, and one column is 6 groups of pronunciation parts. And it corresponds to a group of chords, that is, each articulation part corresponds to a tone, and the articulation parts in each row correspond to the calculated chord roll names, and the chord roll names are calculated by the central processing unit, which contains a chord database and Calculate the chord code program, the chord decoding keys of the chord button unit are arranged in sequence corresponding to the chord code and stored in the database, and the signals of the chord button unit and the pronunciation unit are read and processed by the central processing unit and then passed through the 1CD display unit and the sound effect unit released.

2. The electronic musical instrument as claimed in claim 1, characterized in that: the sounding unit can also be provided with 24 groups of sounding parts, so that the player can play strings of 4 octaves by plucking, which is divided into 4 columns.

3. The electronic musical instrument according to claim 1, wherein the 1CD display unit is a display screen, which can display the chord and its chord code at the time of playing.

4. The electronic musical instrument according to claim 1, characterized in that: each main chord key of the chord button unit corresponds to a main note, and the ascending and descending notes are represented by pressing two keys together.

5. The electronic musical instrument as claimed in claim 1, characterized in that: the sounding part of the sounding unit can be connected to the central processing unit through keys.

6. The electronic musical instrument according to claim 1, characterized in that: the sounding part of the sounding unit can also be a rocker device connected to the central processing unit, and the rocker device includes a base, an opaque plastic plate, an elastic It consists of a component and a pair of sensors. A fixed plate is fixed on one side of the base, and a pair of horizontal plates extend from the fixed plate. The plastic plate is a semi-circular plate with a lever extending from its upper end, and its central end is pivotally connected to the The two horizontal plates can pivot accordingly, and the bottom end of the elastic element is connected to the base, and the other end of the elastic element is connected to the base, so that the plastic plate can be returned after pivoting, and the arc side edge of the plastic plate A plurality of equidistant through-holes are provided on the arc surface, and the pair of sensors are correspondingly arranged on both sides of the through-holes of the plastic plate. One sensor can emit infrared rays, and the other can receive them. The sensing circuits are respectively connected to The central processing unit makes the angle of the toggle lever larger, and the more through holes sensed by the sensor, the stronger the signal sent by the central processing unit and the greater the sound volume.

7. The electronic musical instrument according to claim 1, characterized in that: a plug can be provided on one side of the main body of the musical instrument, and it can be connected to an external sound source device.

8. The electronic musical instrument as claimed in claim 1, characterized in that: the main body of the musical instrument is provided with a battery chamber, and is provided with a DC converter socket for connecting external power.