CN1455385A

CN1455385A - Method of generating trill of trembling-key keyboard for electronic musical instrument

Info

Publication number: CN1455385A
Application number: CN 02118765
Authority: CN
Inventors: 曾平蔚
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-03
Filing date: 2002-05-03
Publication date: 2003-11-12

Abstract

The H button is added to the place where the unit silica gel conduction button is positioned near the keyboard. The operational stroke of the H button is larger than the operational stroke of the silica gel conduction button. The circuit of the H button is connected to the contact of the movable arm of the sliding tone wheel and the branch contact point in the circuit of the electronic organ. In the playing process, finger presses the key on the keyboard to generate longer tone. Fluctuating player's wrist presses keyboard making the H button turn on repeatedly. Thus, pitch is fluctuant change repeatedly to form trill effect as kneading string. The invention can be applied to keyboard instrument in middle and high end.

Description

A kind of method of generating trill of trembling-key keyboard of electronic musical instrument

The present invention relates to the structure of electronic musical instrument, more particularly, relate to a kind of method of generating trill of trembling-key keyboard of electronic musical instrument.

Bowed stringed instrument in the western musical instrument, as violin, viola, violoncello etc., and the urheen in the Chinese Musical Instruments, matouqin, Zheng etc. draw play music device and shoegaze, in performance, all have a kind of the most universal, the most frequently used skill: rub string, the common gimmick of rubbing string is, finger is pinned string and is kept long, simultaneously the fluctuate string that causes sounding of wrist has repeatedly stretched and relaxed variation, thereby produce a kind of trickle change in pitch of carrying out repeatedly of rule---the cry of certain animals of quivering, use normally in music more at a slow speed or in the long, experienced use cry of certain animals the expressing one's emotion or sad aesthetic feeling as giving that the people is a kind of and singing of quivering, the while has also increased the appreciative value of instrumental music playing body language.The medium-to-high grade mellotron of prior art, electric keyboard instruments such as compositor also can produce the cry of certain animals of quivering, but all controlling one by the player makes the device of glide wheel come back rotation to produce apace by a small margin, this not only is difficult to control and grasps, serious is, this performance that needs the player all to participate in stopping under the situation of instrument playing a hand at both hands removes to operate this glide wheel, and is obviously extremely inconvenient, be unfavorable for the performance of musical instrument, do not meet the usual practice of rubbing string in the instrument playing.

The object of the present invention is to provide a kind of method of generating trill of trembling-key keyboard of electronic musical instrument, the electric keyboard instrument that one this method construct is made, can allow the people in playing procedure, finger is pinned key, shake wrist simultaneously and can produce the cry of certain animals of quivering, this string of rubbing that meets instrument playing is accustomed to, and can not influence the performance operation of both hands to musical instrument.

The method of the generating trill of trembling-key keyboard of a kind of electronic musical instrument provided by the invention, be characterised in that, construct a kind of electric keyboard instrument, complete electronic circuit and the constructional device of mellotron that comprises prior art, increase in place a H button [2] is set near the unit silica gel conduction button [1] of keyboard, the operational stroke [2-1] of described H button [2] is greater than the operational stroke [1-1] of described silica gel conduction button [1], and described H button [2] circuit is connected to lever arm contact and branch contact of glide wheel in the mellotron electronic circuit.

The method of the generating trill of trembling-key keyboard of a kind of electronic musical instrument of the present invention, feature also is, include the subroutine [3021] that control is quivered and chanted in the CPU master routine of circuit of electronic organ, the quiver subroutine [3021] of cry of certain animals of described control can be controlled each musical sound sound head (being the very first time duration of each musical sound sound equipment) that electronic musical instrument is played, no matter whether H button [2] is pressed, and does not produce the cry of certain animals of quivering.

The method of the generating trill of trembling-key keyboard of a kind of electronic musical instrument of the present invention, feature also is, various electric keyboard instruments be can apply to, mellotron, compositor, digital piano, electronic accordion, electronics saxophone and electronic wind instrument comprised, or the like.

The objective of the invention is to realize by following measure, a kind of electric keyboard instrument of design structure, comprise the complete electronic circuit of mellotron of prior art and complete constructional device, increase in place H button [2] is set near the silica gel of keyboard unit conduction button [1], the operational stroke [2-1] of described H button [2] is greater than the operational stroke [1-1] of described silica gel conduction button [1], it promptly in the operation keyboard process that plays an instrument the described silica gel conduction of first conducting button [1], the described H button of conducting [2] again, described H button [2] circuit is connected to lever arm contact and branch contact of glide wheel in the mellotron electronic circuit, musical sound can produce a kind of pitch and departs from when the conducting of H button, include the subroutine [3021] that control is quivered and chanted in the master routine of described mellotron electronic circuit, described subroutine [3021] can be controlled each musical sound sound head (being the very first time duration of each sound equipment) of instrument playing, no matter whether conducting of H button [2] does not produce the cry of certain animals of quivering.

The method of the generating trill of trembling-key keyboard of a kind of electronic musical instrument of the present invention, the performance that can overcome existing electric keyboard instrument will could produce the inconvenience of the cry of certain animals of quivering with manual manipulation glide wheel, be implemented in and use the string method of rubbing that is same as stringed musical instruments such as violin, urheen to go to play the cry of certain animals of quivering on the electric keyboard instrument, make the outstanding more individual character of electric keyboard instrument, have more artistic appeal.

Below, the present invention is further described in conjunction with the accompanying drawings and embodiments.

Fig. 1 shows is plan cross-section structural map according to the keys and keyboard unit of an embodiment of the method design structure of the generating trill of trembling-key keyboard of a kind of electronic musical instrument of the present invention.

Fig. 2 shows is the quiver block diagram of subroutine [3021] of cry of certain animals of the control of method of the generating trill of trembling-key keyboard of a kind of electronic musical instrument of the present invention.

[1] keyboard unit silica gel conduction button among Fig. 1, the operational stroke of [1-1] unit silica gel conduction button, [2] H button, the operational stroke of [2-1] H button, the stability column of [3] silica gel button, [4] circuit board, height when [5] keys and keyboard, the key face height during [5-1] keys and keyboard stationary state, [5-2] are operated keys and keyboard to the conducting of silica gel conduction button, height when [5-3] operates keys and keyboard to the conducting of H button, [6] electronic musical instrument shell lower cover.

The plan cross-section structural map of the keys and keyboard unit of an embodiment of the method according to this invention design structure that shows at Fig. 1 as can be seen, the operational stroke [1-1] of keyboard unit silica gel conduction button [1] is greater than the operational stroke [2-1] of H button [2], when playing, when operating keys and keyboard highly down to [5-2], be that conducting unit's silica gel conduction button [1] produces musical sound, this moment is if the touching finger keeps the key-press status and the wrist that fluctuates, can be repeatedly circularly---press down keyboard to [5-3] height conducting H button and produce the pitch skew---fall after rise keyboard to [5-2] highly, the H button is nonconducting state, recovers the musical sound pitch---and press down keyboard again and highly produce the pitch skew to [5-3] ... thus form a kind of cry of certain animals effect of quivering of pitch recurrent fluctuations.

Among Fig. 2, [7] initialization, the scanning of [8] keyboard button, do [9] have keyboard button to press? [10] produce musical sound, does [11] keyboard button keep down state?, [12] musical sound stops, and [13] musical sound continues, is [14] the H button pressed? is [15] the sound head time limit spent in the musical sound duration? do [16] pitch skew, [17] H button keep pressing?, [18] recover the musical sound pitch.

The control of the method for the generating trill of trembling-key keyboard of a kind of electronic musical instrument of the present invention that shows from Fig. 2 quiver cry of certain animals subroutine [3021] block diagram as can be seen, the laggard line unit dish of initialization [7] knob scanning [8], if there is not keyboard button to press [9N], return keyboard button scanning, then enter [10] generation musical sound if there is button to press [9Y], if keyboard button does not keep conducting state [11N], promptly enter [12] musical sound and stop returning again keyboard button scanning, if keyboard button keeps conducting state [11Y], then entering [13] musical sound continues, judge thereupon whether the H knob presses [14], if there is not the H button to press [14N], or the musical sound duration does not surpass the sound head time limit [15N], promptly return [11] detection keyboard button and whether keep conducting state, if have H button conducting [14Y] and musical sound duration to surpass the sound head time limit [15Y], enter the skew of [16] pitch, continue to detect the H button then and whether also pressing [17], if the H button is not pressed [17N], promptly recover musical sound pitch [18], return [14] detection keyboard button and whether keep conducting state.

Claims

1. the method for the generating trill of trembling-key keyboard of an electronic musical instrument; Be characterised in that; Construct a kind of electric keyboard instrument; The complete electronic circuit and the constructional device that comprise the prior art electronic organ; Increase in the place near the unit silica gel conduction button [1] of keyboard H button [2] is set; The operational stroke [2-1] of described H button [2] is greater than the operational stroke [1-1] of described unit silica gel conduction button [1]; Described H button [2] circuit is connected to lever arm contact and branch contact of glide wheel in the electronic organ electronic circuit

2. the method for the generating trill of trembling-key keyboard of a kind of electronic musical instrument according to claim 1, be characterised in that, include the subroutine [3021] that control is quivered and chanted in the CPU master routine of circuit of electronic organ, the quiver subroutine [3021] of cry of certain animals of described control can be controlled each musical sound sound head (being the very first time duration of each musical sound sound equipment) that electronic musical instrument is played, no matter whether H button [2] is pressed, and does not produce the cry of certain animals of quivering.

3. the method for the generating trill of trembling-key keyboard of a kind of electronic musical instrument according to claim 1, be characterised in that, various electric keyboard instruments be can apply to, mellotron, compositor, digital piano, electronic accordion, electronics saxophone and electronic wind instrument comprised, or the like.