CN208014363U - It is a kind of to play the keyboard sightsinging qin that pitch is adjustable and roll call is constant - Google Patents
It is a kind of to play the keyboard sightsinging qin that pitch is adjustable and roll call is constant Download PDFInfo
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- CN208014363U CN208014363U CN201720584421.2U CN201720584421U CN208014363U CN 208014363 U CN208014363 U CN 208014363U CN 201720584421 U CN201720584421 U CN 201720584421U CN 208014363 U CN208014363 U CN 208014363U
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Abstract
The utility model, which provides, a kind of playing pitch is adjustable and roll call is constant keyboard sightsinging qin, it can be with tone sandhi, pitch can also be finely tuned when playing and then adjusts musical note and tone color, with constant roll call keyboard, it is the key of every group of keyboard directly and an octave of numbered musical notation is completely corresponding, the corresponding roll call of each key of timing is still constant when becoming.The device not only manually can set tune according to voice, but also can obtain mode automatically according to the music score of Chinese operas to set the tone and modify tone.Certain keys fine tuning pitches can be such that player has more freely to create and play space when playing.The corresponding roll call of each key is eye-catching and constant, is easy that new hand is allowed to coordinate sightsinging, quickly learns qin.
Description
Technical field
The utility model relates generally to keyboard play musical instrument, and in particular to pitch is adjustable when one kind is played, it is constant to have
The digital instrument device convenient for sightsinging of roll call keyboard.
Background technology
Key shoegaze refers generally to piano, electronic organ etc..Piano is made of key and metallic cord soundboard, and player passes through
By the key on lower keyboard, the gavel that enclose carpet inside piano is affected, steel wire string is then tapped and makes a sound, be mechanical dress
It sets and makes a sound.And electronic organ is being developed by traditional piano, is after player's button the source of sound accordingly recorded
After being polished by processing, it is sent to amplifier, finally arrive at loud speaker and make a sound, is made a sound with electronic device.
Piano determines that the frequency of each button on its keyboard is fixed by mechanical device to make a sound, and is steel
Qin key has fixed pitch.Pitch refers to the height of sound, describes a kind of essential characteristic of sound, and the height of sound is by vibrating
What frequency determined, frequency height then sound "high", on the contrary then " low ".Obviously, the pitch of piano key is nonadjustable, be it is fixed,
The piano tuner of profession is also needed to adjustment to adjust mechanical device.And electronic organ is electronically to make a sound, only
What which type of signal source of sound given, sound just sent out accordingly, it is seen then that the pitch of its button is in loud speaker passband
It is adjustable.
Fingerboard has 88 keys, wherein 52 white keys, 36 black keys, are designed according to twelve-tone equal temperament.88
A key is divided into bass area, middle register and treble, then is grouped on this basis.As again middle register is divided into three groups：Small character group,
Two groups of one group of small character and small character, every group is an octave, has 12 keys, wherein 7 white keys, 5 black keys, this 12 keys are 12
12 sounds used in equal temperance.The name (musical alphabet) of 7 white keys of small character group is followed successively by " c, d, e, f, g, a, b ", 5 black keys
Name be followed successively by " #c, #d, #f, #g, #a ".Due to one times of the frequency phase-difference of two sounds of one octave of difference, piano
Frequency ratio between adjacent key isThe frequency for being every group of 12 keys is to press frequency according to the interval (double octave) of octave
Equal proportion it is divided into 12 equal portions.Piano is according to this thought in frequency band 27.5Hz-4186Hz with frequency ratioIt is arranged Deng ratio
The pitch of each button, to design and manufacture the steel wire string that can send out corresponding frequency.And an octave only has 7 in numbered musical notation
A sound, roll call are " duo, re, mi, fa, sol, la, si " respectively, " 1,2,3,4,5,6,7 " this 7 Ahs in corresponding numbered musical notation
Arabic numbers, so that 12 keys of an octave group and 7 roll calls on visible fingerboard are unlikely to be fixed corresponding pass
System.Which musical alphabet key determines as " duo " (digital " 1 ") by song mode, and next 6 sounds " re, mi, fa,
Sol, la, si " are determined for the piano for having been set to twelve-tone equal temperament and by song mode, once select song
Purpose plays mode, then 7 roll calls are just and 7 keys in 12 keys of an octave group on fingerboard determine one-to-one correspondence
Relationship.It can be seen that for piano, an octave group on keyboard has 12 keys, then has 12 kinds of modes, because of 12 keys
It can act as " duo ", and corresponding 7 keys of 7 roll calls of each mode are not fixed, are that piano key is corresponding
Roll call is not fixed, is become with mode.Such as, played then indicate on the music score of Chinese operas with C tune and play mode " 1=C ", at this time by
" c, d, e, f, g, a, b " musical alphabet key correspond to roll call " duo, re, mi, fa, sol, la, si "；And work as " 1=#F ", it is bullet
Play the big timings of #F, but be by " #f, #g, #a, b, #c, #d, f " musical alphabet key respectively represent roll call " duo, re, mi, fa, sol, la,
Si ", it is seen that the corresponding roll call of piano key is not fixed.
Electronic organ is all adjustable on the frequency theory of sounding, therefore can " a key since it is a kind of electronic device
Modified tone ", still can accomplish that the corresponding roll call of key is fixed, this is the big feature of one after modified tone；In addition, electronic organ can simulate
The sounding of many musical instruments, has many tone colors optional.Few then tens kinds of the tone color type of electronic organ, it is at most hundreds of, it is abundant
Tone color and the variation of flexible tone color, are other one big features of electronic organ performance.It, only need to be in tone color function control when selecting tone color
Tone color selection key button (or selection tone color code) is gently controlled in area processed can select required tone color, and use is very convenient.Electronics
The tone color of qin mainly has conventional instrument tone color and special tone color two major classes.Conventional instrument tone color mainly simulates various conventional instruments
The tone color of making.And special tone color is mainly to imitate the tone color of various nature stereos or illusion.Musical note, have " twelve-tone equal temperament ",
The classification such as " five tone cadence temperament " or " pure rule ", different musical notes refer to that the frequency ratio between adjacent roll call is different, due to electronic organ
The frequency of sounding can be changed, therefore can also support different musical notes.It can be seen that electronic organ is can to adjust musical note tone and sound
Color.But electronic organ imitates piano at the very start and occurs, therefore its button is substantially to be designed according to piano, only
Can be 12 fixed modes, the function of " key modified tone " also fewer.And for player, certain has been selected
Tone color, some musical note, certain mode are played, then it is fixed that some key, which corresponds to the sound sent out, in keyboard, is being played
It cannot generally change again in addition to becoming mode in journey, that is to say that interactivity is poor, and then the chance that player freely plays is less,
It impromptu cannot change some frequency for playing note.If player can finely tune the frequency of note during playing, will be drilled
The person of playing more freely plays space, there is the creation leeway of bigger.
Invention content
For current piano key pitch fix, roll call is not fixed, learning difficulty is very big, and electronic organ can accomplish sound
Height is not fixed, and roll call is fixed, but still cannot be that arbitrary mode is played, and cannot finely tune pitch, key is difficult to numbered musical notation one by one
It is corresponding, the utility model provide it is a kind of playing the keyboard sightsinging qin that pitch is adjustable and roll call is constant, can played with tone sandhi
When fine tuning pitch (frequency) and then musical note and tone color can be adjusted, there is constant roll call keyboard, be no matter which kind of to play tune with
Formula is played, and every group of key is constant corresponding with an octave of numbered musical notation, can allow new hand that sightsinging is coordinated quickly to learn qin.This practicality is new
Type is achieved through the following technical solutions：
It is a kind of to play the keyboard sightsinging qin that pitch is adjustable and roll call is constant, it is characterised in that device includes sound source module, sings
Name keyboard, musical note tonal sound color adjustment module, sound module.Sound source module is responsible for acquiring the tone color file of various musical instruments and storage
Bank, roll call keyboard issue instructions to sound source module and musical note tonal sound color adjustment module according to the key information of reception；Sound
Note tuning color adjustment module forms new audio files into edlin according to the instruction of acquisition to tone color file；Sound module is then
It is responsible for audio files to play out.
A kind of sound source module that playing pitch is adjustable and roll call is constant keyboard sightsinging qin is responsible for acquiring drilling for a variety of musical instruments
Sound and the edited sound of other software and accompaniment file etc. are played, tone color file is formed, and then forms bank and is deposited
Storage, this is similar with common electronic organ.
A kind of roll call keyboard for playing the keyboard sightsinging qin that pitch is adjustable and roll call is constant, including the choosing of main control unit, tone color
Select key, musical note selection key, tone selection key, display screen and multigroup roll call key group and other function keys.Wherein main control unit
According to the input of tone color selection key, musical note selection key, tone selection key and multigroup roll call key group, the whole work of roll call keyboard is controlled
Make.Tone color selection key selects certain tone color, such as the tone color of violin or trumpet；Musical note selection key selects certain musical note,
Such as " twelve-tone equal temperament ", " five tone cadence temperament " or " pure rule "；Tone selection key selects mode, the existing discrete tradition of mode to adjust
Formula, and have continuous mode, continuous mode setting " duo " sound is some frequency；Show screen display tone color, musical note, tone
The information of selection, or tone color selection key, musical note selection key, tone selection key and display screen are integrated use can be defeated
The touch display screen that enters is realized.Multigroup roll call key group provides the key of senior middle school's bass, and group number can be set as 9 according to piano
Group can also be 5 groups etc..Other function keys are some keys for extending its function and being arranged, such as add accompaniment.
The tone selection key selects mode, and one of mode is manually to be arranged, the existing 12 discrete tradition of mode of setting
Mode and present piano compatibility, are seted the tone in a discrete fashion；There is arbitrary continuous mode again, (f is setting 1=f Hz
Arbitrary value) it sets the tone, matching voice, therefore one key of setting tests the frequency of voice inside corresponding function key, first surveys
Voice is measured, according to the frequency of personal sounding, manually sets tune；The selection mode of mode reads numbered musical notation or staff second is that passing through
Automatically it obtains and modifies tone.12 discrete traditional modes are：" 1=C " (C tune), " 1=#C " (#C tune), " 1=D " (D
Adjust), " 1=#D " (#D tune), " 1=E " (E tune), " 1=F " (F tune), " 1=#F " (#F tune), " 1=G " (G tune), " 1=#G "
(#G tune), " 1=A " (A tune), " 1=#A " (#A tune), " 1=B " (B tune).The roll call key group includes to be set according to 7 roll calls
The roll call key and several auxiliary keys, 7 roll call keys set correspond to the numbered musical notation of corresponding pitch respectively, are major keys, and its correspondence is
Constant, do not become with mode；It is not major key to assist key, and setting is intended merely to supplement some sounds, therefore the probability pressed is small,
Volume setting is smaller than roll call key.7 roll call keys of roll call key group and the numbered musical notation " 1,2,3,4,5,6,7 " one for such as representing middle pitch are a pair of
It answers.And the white key and black key of present mainstream piano, it all may be the major key under certain mode, press often, so setting
Button volume is big.As the key name of piano small character group is：White key is that " c, d, e, f, g, a, b ", black key are " #c, #d, #f, #g, #
a".When playing #F big tune, " #f, #g, #a, b, #c, #d, f " key respectively represents numbered musical notation " 1,2,3,4,5,6,7 ", it is seen that has
5 black keys need to play as major key.
Above-mentioned roll call key group no longer occupies the width of roll call key, that roll call width of key can also become since auxiliary key becomes smaller
It is narrow so that keyboard becomes smaller and succinctly.Different sizes can be arranged in key according to different crowds, can such as be arranged for adult
Greatly a bit, child can be arranged a little bit smaller.
The number of above-mentioned roll call key group auxiliary key is arranged as required to, and when being only arranged 1, then each roll call key group just has 8
A key；It is when 5 auxiliary keys of setting, then consistent with the key number of one octave group of piano, there are 12.
It is had the gap between above-mentioned roll call key and roll call key,.There are two types of the key modes of roll call key, one is vertically pressing,
A note is played in expression, another is micro- rolling while pressing or so, indicates the sound represented to this key pressed
The frequency of symbol is finely adjusted, this is realized jointly by pressure sensor under each roll call key and angular transducer；Pressure passes
Sensor detection button is pressed, the angle that is struck of angular transducer detection button, and frequency is finely tuned with this, convenient to play
The fine tuning of pitch (frequency) is realized in the process.Above-mentioned roll call key puts on eye-catching mark to show the roll call of oneself representative.Such as qin
Different design and colors is coated on key, and puts on digital roll call, and digital roll call adds outline border, and the background color of outline border is in a personal concert
It is identical in name key group, different roll call key groups are different, for distinguishing different roll call key groups；Several auxiliary keys are also put on eye-catching
Mark show the pronunciation of oneself, and mark can have different shape sizes with the mark of roll call key.
A kind of roll call keyboard for playing pitch is adjustable and roll call is constant keyboard sightsinging qin, when work, first according to tone color
The selection of selection key, main control unit sends out corresponding tone color serial number and instructs to the bank of sound source module, then corresponding serial number
Audio files packet be supplied to musical note tonal sound color adjustment module；Main control unit is configured according to musical note selection key and tone selection key
Good all roll call keys and the frequency for assisting key, are then sent to musical note tonal sound color adjustment module, and in the display of roll call keyboard
It is shown on screen.During playing, musical note and tone can be reselected by musical note selection key and tone selection key,
The frequency of all roll call keys and auxiliary key is sent to musical note tonal sound color adjustment module by main control unit in real time；Roll call key and auxiliary
It is transmitted to main control unit after helping duration that key is pressed and is pressed and dynamics to be obtained by pressure sensor, is then forwarded to musical note
Tonal sound color adjustment module, to describe to play the duration and intensity that note and note are played；Roll call key is by the micro- rolling in left and right
Angle afterwards is transmitted to main control unit after being obtained by angular transducer, musical note tonal sound color adjustment module is then forwarded to, to real-time
Finely tune the frequency of roll call key in ground.
A kind of musical note tonal sound color adjustment module that playing pitch is adjustable and roll call is constant keyboard sightsinging qin is according to tone color
Tone color file packet, all roll call keys and the frequency for assisting key that library provides, and certain key detected in real time are pressed, are pressed
Duration, dynamics and angle, select the tone color file of note corresponding to the button to be handled to obtain new audio files.
Above-mentioned processing includes：The duration being pressed according to certain key is adjusted tone color file the processing of duration, such as plays
Duration is more than that the duration of tone color file then increases the periodicity of broadcasting, and playing duration then reduces broadcasting than the when length of tone color file
Periodicity；The dynamics being pressed according to certain key adjusts tone color file into line amplitude, as keystroke dynamics greatly if amplitude increased,
Keystroke dynamics are small, and amplitude is become smaller.The angle being struck according to the frequency and certain key of all roll call keys and auxiliary key is to sound
Color file carries out frequency-conversion processing, and the frequency for the roll call key such as currently pressed is 420Hz, and the angle stirred is with clockwise angle 30
Degree, representative are meant that frequency increases 10Hz, are then converted to 430Hz to tone color file.
A kind of sound module for playing the keyboard sightsinging qin that pitch is adjustable and roll call is constant, to musical note tonal sound tone mould preparation
The new audio files obtained after block processing plays out.
The utility model patent proposed it is a kind of playing pitch is adjustable and roll call is constant keyboard sightsinging qin, have following
Advantage：
(1) what ineffective mode is played, and 7 roll call keys of every group of roll call key group on the roll call keyboard fix difference
With the constant one-to-one correspondence of numbered musical notation number roll call of corresponding pitch, such as represent 7 roll call keys of roll call key group of middle pitch and numbered musical notation " 1,2,
3,4,5,6,7 " constant one-to-one correspondence, is easily found key in this way, is easy learning and memory, is also conducive to sightsinging.
(2) utility model device support is seted the tone manually, compatible 12 present traditional modes；Can also according to numbered musical notation or
Person's staff obtains mode automatically, to set the tone automatically, can also modify tone during playing in this way without with artificially adjusting again
It is whole.
(3) mode of utility model device can no longer be fixed mode, can be arbitrary mode, be that keynote is continuous
It is variable, voice can be first measured, according to the frequency of personal sounding, manually tune is set, is allowed to be matched with voice, qin is allowed to adapt to people.
(4) the roll call key on roll call key board unit can vertically be pressed expression and play a note when playing, can also
Left and right is micro- to shake to finely tune pitch (frequency), this allows player to have and more freely creates and play space.
(5) the roll call key on numbered musical notation roll call key board unit and auxiliary key, the white key and black key of corresponding present piano, so
And the white key and black key of piano all may be the major key under certain mode, press often, so the button volume of setting is big；And
The utility model auxiliary key is arranged only to supplement some sounds, and the space accounted for can be smaller.Since auxiliary key becomes smaller, no longer occupy
The width of roll call key, that roll call width of key can also narrow so that keyboard becomes succinct.It can also be arranged not according to different crowds
Same size can be such as arranged greatly a bit for adult, and child can be arranged a little bit smaller.
Description of the drawings
Fig. 1 is the system block diagram of the utility model；
Fig. 2 is the roll call keyboard schematic diagram of the present embodiment；
Fig. 3 (a) is the roll call key group schematic diagram of the present embodiment；
Fig. 3 (b) is 5 groups of roll call key group schematic diagrames of the present embodiment；
Fig. 4 (a) is a kind of notation signal of the extension roll call of the utility model；
Fig. 4 (b) is the signal after the extension roll call in the roll call keyboard mark figure 4 above (a) of the present embodiment；
Fig. 5 is the flow chart played practitioner and once played using the present apparatus.
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings, but the implementation of the utility model
It is without being limited thereto.
As shown in Figure 1, being a kind of system frame for playing the keyboard sightsinging qin that pitch is adjustable and roll call is constant of the utility model
Figure, device include sound source module, roll call keyboard, musical note tonal sound color adjustment module, sound module composition.Sound source module is responsible for adopting
The tone color file and storage bank, roll call keyboard for collecting various musical instruments issue instructions to sound source module according to the key information of reception
With musical note tonal sound color adjustment module；Musical note tonal sound color adjustment module is according to the instruction of acquisition to tone color file into edlin shape
The audio files of Cheng Xin；Sound module is then responsible for audio files to play out.
As shown in Fig. 2, be a kind of schematic diagram for playing the keyboard sightsinging qin that pitch is adjustable and roll call is constant of the utility model,
The main control unit of roll call keyboard, sound source module and musical note tonal sound color adjustment module integrate, and are realized with DSP or ARM,
It is placed on inside qin disk, is not marked in figure.Sound module is realized with loudspeaker, sees Figure 20 1；Roll call keyboard further includes tone color choosing
Select key 202, musical note selection key 203, tone selection key 204, display screen 205 and multigroup roll call key group 206 and other functions
Key 207.Wherein tone color selection key 202 selects certain tone color, such as violin or small size tone color；Musical note selection key 203 is selected
Select certain musical note, such as " pure rule ", " five tone cadence temperament " and " twelve-tone equal temperament "；Tone selection key 204 can both select discrete
It adjusts, such as 1=C, 1=D etc., it is some frequency that " duo ", which can also be arranged,；Show that screen 205 shows tone color, musical note, tone selection
Information；Tone color selection key, musical note selection key, tone selection key and display screen can also be integrated with can input
Touch display screen realize.The group number of embodiment roll call key group is set as 5 groups.
The mode of above-mentioned tone selection key selection, can both be compatible with present piano, have 12 discrete traditional modes,
Tone selection key is seted the tone with 1=C or 1=D etc.；Also there is an arbitrary mode, setting 1=f Hz (f is arbitrary value) set the tone, this
It is a that qin can be made to adapt to people, it is matched with voice, without allowing people to go for adjusting.A key is arranged to survey in 207 the inside of corresponding function key
The frequency for trying voice, first measures voice, according to the frequency of personal sounding, manually sets tune.Mode can also by read numbered musical notation or
Person's staff automatically controls, and is arranged without manually going, and can also modify tone during playing.
It is a kind of roll call for playing the keyboard sightsinging qin that pitch is adjustable and roll call is constant of the utility model as shown in Fig. 3 (a)
Key group schematic diagram.Roll call key group includes 7 roll call keys 301 and 5 auxiliary keys 302 in embodiment, between roll call key and roll call key
303 are had the gap, roll call key vertically presses expression and plays a note, micro- while pressing or so can also shake to finely tune frequency
Rate, this is realized jointly by pressure sensor and angular transducer.Whether pressure sensor detection key is pressed, angular transducer
The angle that detection button is struck, the pitch (frequency) of button is finely tuned with this.If this roll call key group represents middle pitch, 7
Roll call key corresponds to numbered musical notation " 1,2,3,4,5,6,7 " respectively, is major key, and its correspondence is constant, is not become with mode；
It is not major key to assist key, only supplements some sounds, and the chance pressed is fewer, therefore can be arranged that volume is a little bit smaller, and the present embodiment is
One dot.5 auxiliary keys of the present embodiment setting, then it is " 1 to correspond to roll call+、2+、4+、5+、6+".Roll call key group is due to auxiliary
Key becomes smaller, and corresponding roll call key can also narrow so that keyboard becomes smaller and succinctly.The width of button can be according to different crowd finger
Size and length come hommization setting, such as adult setting more greatly, the setting for child is a little bit smaller.
It is a kind of 5 groups of roll calls playing the keyboard sightsinging qin that pitch is adjustable and roll call is constant of the present embodiment as shown in Fig. 3 (b)
Key group schematic diagram.Roll call key can indicate eye-catching mark to show the roll call of oneself representative, as coated different colors on key
And pattern, white is marked in embodiment, and put on digital roll call, digital roll call adds excircle frame, and the background color of excircle frame exists
It is identical in one roll call key group, different roll call key groups are different, and for distinguishing different roll call key groups, embodiment is to be filled with
The lines of different pattern；5 auxiliary keys can also indicate eye-catching mark and roll call to show the pronunciation of oneself, and can with sing
There is name key different shape sizes, the present embodiment to assist key using circle, not mark roll call.Digital roll call can also basis
Institute's dominant group adds high pitch and bass symbol, is that side or lower section add period, and the arrangement pyramid put in number
Form.Embodiment is only with having obtained descantAnd double bassIt can also expand to again
Deng the lower period marked is to be easy to see and save area occupied as principle, using pyramidal form thereon.
Because 5 auxiliary keys are arranged in roll call key group in the present embodiment, in addition 7 roll call keys, totally 12 keys, corresponding to sing
Entitled " 1,1+、2、2+、3、4、4+、5、5+、6、6+, 7 ", wherein 7 roll call keys correspond to numbered musical notation " 1,2,3,4,5,6,7 ", 5 auxiliary
It is " 1 that key, which corresponds to roll call,+、2+、4+、5+、6+", this 12 personal concert name is eye-catching and beautiful on key in order to be labeled in, can be according to hobby
It designs, Fig. 4 (a), which is illustrated that, compares simple, is correspondingly labeled in roll call key group as shown in Fig. 4 (b), it can be seen that
More compact, saving space is marked in this way.
Fig. 5 is to play practitioner using a kind of pitch is adjustable and roll call is constant keyboard sightsinging qin of playing once to be practiced
Flow chart.
Step 1：The power supply of practitioner's device for opening is played, input needs to play the numbered musical notation or staff of song, automatically
It is read in numbered musical notation or staff and plays mode, such as 1=D, or read 1=f Hz (f is arbitrary value), it can also be artificial
It is reselected again with tone selection key；Tone color is selected by tone color selection key, musical note is selected by musical note selection key.
Step 2：According to the selection of tone color selection key, main control unit sends out corresponding tone color serial number and instructs to sound source module
Then the tone color file packet of corresponding serial number is supplied to musical note tonal sound color adjustment module by bank；Main control unit is according to musical note
Selection key and tone selection key have configured all roll call keys and have assisted the frequency of key, are then sent to musical note tonal sound tone mould preparation
Block, and shown on the display screen of roll call keyboard.
Step 3：Play practitioner start to play according to numbered musical notation or staff press roll call key and auxiliary key.Roll call key and auxiliary
It helps key to be pressed, and after the duration and dynamics being pressed are obtained by pressure sensor, musical note tone is sent to by main control unit
Tone color adjusts module, to describe to play note, the played duration of note and intensity；Roll call key is by the angle after the micro- rolling in left and right
Degree, after being obtained by angular transducer, is sent to musical note tonal sound color adjustment module, to finely tune roll call in real time by main control unit
The frequency of key.
Pay attention to：During playing, musical note can be reselected by musical note selection key, be selected again by tone selection key
Tone is selected, and the frequency of all roll call keys and auxiliary key is sent to musical note tonal sound color adjustment module in real time；
Step 4：Tone color file packet, all roll call keys and the auxiliary that musical note tonal sound color adjustment module is provided according to bank
The frequency of key, and detect that certain key is pressed in real time, and duration, dynamics and the angle pressed, select corresponding to the button
The tone color file of note is handled to obtain new audio files
Processing includes：The duration being pressed according to certain key is adjusted tone color file the processing of duration, such as playing duration
More than the periodicity that the duration of tone color file then increases broadcasting, playing duration then reduces the week of broadcasting than the when length of tone color file
Issue；The duration being pressed according to certain key adjusts tone color file into line amplitude, as keystroke dynamics greatly if amplitude increased, button
Dynamics is small, and amplitude is become smaller.The angle stirred is pressed to tone color according to the frequency and certain key of all roll call keys and auxiliary key
File carries out frequency-conversion processing, and the frequency for the roll call key such as currently pressed is 420Hz, and the angle stirred is with clockwise angle 30
Degree, representative are meant that frequency increases 10Hz, are then converted to 430Hz to tone color file.
Step 5：Sound module plays out the new audio files obtained after musical note tonal sound color adjustment resume module.
Step 3 is played and jumped to next note, until the entire music score of Chinese operas plays completion.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, under other any Spirit Essences and principle without departing from the utility model made by change, modify, replace
In generation, simplifies combination, should be equivalent substitute mode, is included in the scope of protection of the utility model.
Claims (5)
1. a kind of playing the keyboard sightsinging qin that pitch is adjustable and roll call is constant, it is characterised in that device is by sound source module, roll call key
Disk, musical note tonal sound color adjustment module, sound module are constituted, and sound source module is responsible for acquiring the tone color file of various musical instruments and storage
Bank, roll call keyboard issue instructions to sound source module and musical note tonal sound color adjustment module according to the key information of reception；Sound
Note tuning color adjustment module forms new audio files into edlin according to the instruction of acquisition to tone color file；Sound module is then
It is responsible for audio files to play out；
The roll call keyboard includes main control unit, tone color selection key, musical note selection key, tone selection key, display screen and multigroup
Roll call key group and other function keys；Wherein main control unit is according to tone color selection key, musical note selection key, tone selection key and more
The input of group roll call key group, controls the overall work of roll call keyboard；Tone color selection key selects certain tone color；Musical note selection key is selected
Select certain musical note；Tone selection key selects mode, the existing discrete traditional mode of mode, and has continuous mode, continuous mode setting
" duo " sound is some frequency；Show screen display tone color, musical note, tone selection information, or tone color selection key,
Musical note selection key, tone selection key and display screen are integrated and are realized with the touch display screen that can be inputted.
A kind of pitch is adjustable and roll call is constant keyboard sightsinging qin is played 2. according to claim 1, it is characterised in that sound
Selection key is adjusted to select mode, one of mode is manually to be arranged, the discrete traditional mode of existing 12 of mode of setting and present steel
Qin is compatible with, and is seted the tone in a discrete fashion；There is arbitrary continuous mode again, setting 1=f Hz, f are arbitrary value, to set the tone,
To match voice, a key is set to test the frequency of voice inside corresponding function key, voice is first measured, according to a human hair
The frequency of sound manually sets tune；The selection mode of mode second is that by reading numbered musical notation or staff to obtain and modify tone automatically.
A kind of pitch is adjustable and roll call is constant keyboard sightsinging qin is played 3. according to claim 1, it is characterised in that is sung
Name key group includes the roll call key that is arranged according to 7 roll calls and several auxiliary keys, 7 roll call keys correspond to respectively numbered musical notation " 1,2,3,
4,5,6,7 ", it is major key, and its correspondence is constant, is not become with mode；Since auxiliary key volume becomes smaller, it is not take up
The width of roll call key, that roll call width of key also accordingly narrow so that keyboard becomes smaller and succinctly；Difference can be arranged in the width of button
It is allowed to be applicable in different crowds；The number of above-mentioned roll call key group auxiliary key is arranged as required to, when being only arranged 1, then per personal concert
Name key group just has 8 keys；It is when 5 auxiliary keys of setting, then consistent with the key number of one octave group of piano.
A kind of pitch is adjustable and roll call is constant keyboard sightsinging qin is played 4. according to claim 3, it is characterised in that is sung
It is had the gap between the roll call key and roll call key of name key group, there are two types of the key modes of roll call key, one is vertically pressing, indicates bullet
A note is played, another is micro- rolling while pressing or so, indicates the frequency of the note represented to this key pressed
Rate is finely adjusted, this is realized jointly by pressure sensor under each roll call key and angular transducer；Pressure sensor is examined
It surveys button to be pressed, the angle that is struck of angular transducer detection button, frequency is finely tuned with this；
Above-mentioned roll call key puts on eye-catching mark to show that eye-catching mark is also put in the roll call of oneself representative, several auxiliary keys.
A kind of pitch is adjustable and roll call is constant keyboard sightsinging qin is played 5. according to claim 1, it is characterised in that is sung
Name keyboard sends out corresponding tone color serial number and instructs to the bank of sound source module according to the selection of tone color selection key, main control unit,
Then the tone color file packet of corresponding serial number is supplied to musical note tonal sound color adjustment module；Main control unit according to musical note selection key and
Tone selection key has configured all roll call keys and has assisted the frequency of key, is then sent to musical note tonal sound color adjustment module, and
It is shown on the display screen of roll call keyboard；During playing, musical note can be reselected by musical note selection key, passed through
Tone selection key, which reselects, plays mode, and the frequency of all roll call keys and auxiliary key is sent to musical note by main control unit in real time
Tonal sound color adjustment module；The duration and dynamics that roll call key and auxiliary key are pressed and are pressed are obtained by pressure sensor
Afterwards, musical note tonal sound color adjustment module is sent to by main control unit, to describe to play the duration that note and note are played
And intensity；Roll call key is by the angle after the micro- rolling in left and right, and after being obtained by angular transducer, musical note tonal sound is sent to by main control unit
Color adjustment module, to finely tune the frequency of roll call key in real time；
Tone color file packet, all roll call keys and the frequency for assisting key that musical note tonal sound color adjustment module is provided according to bank,
And duration, dynamics and the angle that certain key detected in real time is pressed, is pressed, select the tone color of note corresponding to the button
File is handled to obtain new audio files；
Above-mentioned processing includes：The duration being pressed according to certain key is adjusted tone color file the processing of duration；According to certain key quilt
The dynamics pressed adjusts tone color file into line amplitude；It is being pressed according to the frequency and certain key of all roll call keys and auxiliary key
The angle being struck simultaneously carries out frequency-conversion processing to tone color file.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584904A (en) * | 2018-12-24 | 2019-04-05 | 厦门大学 | The sightsinging audio roll call for singing education applied to root LeEco identifies modeling method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584904A (en) * | 2018-12-24 | 2019-04-05 | 厦门大学 | The sightsinging audio roll call for singing education applied to root LeEco identifies modeling method |
| CN109584904B (en) * | 2018-12-24 | 2022-10-28 | 厦门大学 | Video-song audio-song name recognition modeling method applied to basic music video-song education |
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