CN103077700B - Piano with sound interaction function - Google Patents
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- CN103077700B CN103077700B CN201310026106.4A CN201310026106A CN103077700B CN 103077700 B CN103077700 B CN 103077700B CN 201310026106 A CN201310026106 A CN 201310026106A CN 103077700 B CN103077700 B CN 103077700B
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Abstract
The invention discloses a piano with a sound interaction function. The piano comprises a piano body, a sound input unit used for collecting sound generated by keys of the piano and converting the sound into corresponding sound signals, a control unit used for receiving the sound signals and generating corresponding control signals, and a visual output unit realizing shape transformation according to the control signals, wherein the visual output unit is composed of a plurality of extensible members comprising display panels and drive mechanisms controlled by the control signals and used for driving the display panels to move along the line. According to the piano disclosed by the invention, sound generated by the keys of the piano is collected by the sound input unit, the shape transformation of the extensible members in different sound ranges is achieved under the control of the control unit according to the levels of the voice frequency of the collected sound; an observer can feel the change of the voice frequency visually by vision, the visual perception is good in intuition, the impact effect is stronger, the impression is deep, and the piano particular has an excellent assisted educational effect on cultivating musicality of music beginners or deaf people.
Description
Technical field
The present invention relates to a kind of piano, especially a kind of piano with sound interactive function.
Background technology
Tradition piano, by the key on keyboard, affects the gavel being surrounded by army felt inside piano, then knocks steel wire string and sound.Along with the development of electronic technology, pianotron also arises at the historic moment, though tonequality aspect is difficult to and traditional piano compares favourably, but also more than sufficient for aspects such as teaching exercises.
At present, along with the continuous progress of modern science and technology, interactive product appears in the life of people more and more, and the product with sound interaction technique is also more and more people's acceptance and experience.Wherein, sound has become much-talked-about topic in the world alternately, and a lot of researcher seeks the impact that sound brings alternately with keeping unremitting from start to finish, and particularly synesthesia research emerges in an endless stream especially.But the product of existing audio visual rests on software aspect mostly all the time, i.e. audiovideoization research aspect, and audio visual converter also belongs to new product, therefore technology maturity is not high.
If Chinese Patent Application No. is CN03157811.X, patent name is a kind of piano disclosed in " colorful visual music teaching piano ", comprise computing machine and piano, by computer display being embedded in piano centre optimum visual district, piano key is designed to colored, the music signal sent converts color photoelectric signal to by computing machine and shows on a display screen, form color vision, these color visions can by making music chromatogram dyeing software, play teaching software and virtual accompaniment software realizes, make to be changed over by single function of playing originally be there is sound, color, musical instrument is appreciated in the performance of image multifunctional all.By the combination of piano and computing machine in this patent, the music that piano is played according to certain rule, can show with the visual form of one on a display screen.This patent, by the sense of hearing and visual contact, more can cause the emotion of people, especially also have special meaning for special populations such as deaf-mutes, allows them can see sound with the form of vision, makes up and enriches its defect acoustically.
But for existing synesthesia technology, the vision be transformed by the sense of hearing also rests on the basis of display screen, make the visual experience intuitive of people poor, and visual impact is more weak, impression is deep not.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of visual experience intuitive good, visual impact is comparatively strong, the piano of what impression was more deep have sound interactive function.
Technical solution of the present invention is: a kind of piano with sound interactive function, comprises piano body, also comprise
Speech input unit, for gathering the sound that key produces, and is converted into corresponding sound signal by this sound;
Control module, for receiving described sound signal, and produces corresponding control signal;
Vision output unit, realizes change of shape according to described control signal;
Described vision output unit is made up of some extensible members, and extensible member comprises performance panel, and is controlled by control signal and for driving the driving mechanism that moves along a straight line of performance panel.
The present invention is gathered the sound that key is played out by Speech input unit, then collected sound is converted into electric signal, this electric signal is the sound signal that audio frequency (i.e. sound frequency) height according to gathered sound carries out distinguishing, now control module is according to the height of sound signal, goes the motion controlling extensible member on correspondence position in video output unit.
Further setting is, described driving mechanism comprises coil and is inserted in the shaft in coil, and link with performance panel in one end of this shaft, this coil is controlled by described control signal.Come conduction time and the size of control coil by the control signal of control module, thus realize shaft motion in coil, also namely realize the performance speed that moves along a straight line of panel and amplitude, and then make performance panel produce different visual effects.
Further setting is, described driving mechanism comprises the piston rod hydraulic cylinder fixing with performance panel, and this hydraulic cylinder is controlled by described control signal.Come speed of stretching out and the event of hydraulic control cylinder upper piston rod by the control signal of control module, thus control piston bar shows speed and amplitude that panel moves along a straight line, and then make performance panel produce different visual effects.The reaction velocity of hydraulic cylinder and control effects are all better than the cooperation of coil and shaft, therefore can as preferably of the present invention.
In order to improve the visual effect of performance panel, stimulus intensity when raising audient experiences, an end of described shaft is fixing with performance panel central authorities, this performance panel offers this fixed position of spiral surrounding and runs through the helicla flute showing panel and arrange.Wherein fixed position is the position fixing with performance panel central authorities, shaft end, because helicla flute distributes in the shape of a spiral around fixed position, makes to show the list structure for spiral between spiral fluted two adjacent turn on panel.So, when fixed position receives lengthwise power under shaft drives, then linearly there is change in location in fixed position, now, due to inertia effect, make the part showed on panel except fixed position all can be formed one delayed, and distance fixed position is far away, and this delayed performance is more obvious.Therefore, when showing panel and driving by driving mechanism, then the fixed position part of panel is showed by formation pyramidal structure, and relative to planar structure, this pyramidal structure is visually according to impulsive force, and especially for the defective people of the sense of hearing, effect is obvious especially.
In order to make visually effect more outstanding, particularly audient can see a position change all extensible members showing panel, then each shaft is parallel to each other, and each performance panel is all arranged towards same direction.In addition, each performance panel also can be made when initial position to surround an arcwall face, and the initial position showing panel is herein the position that performance panel is subject to shaft operating distance coil nearest.And, different colors can be coated at the performance panel surface in the different range of sound, thus improve the differentiation effect in the different range of sound.
During in order to ensure to change between the sense of hearing and vision, different visual effects is realized according to the height of wave audio, so make described extensible member form the range of sound of the different audio frequency of some representatives, the range of sound that its sound intermediate frequency is the highest is positioned at center, other ranges of sound according to audio frequency from high to low successively around center arrangement.Wherein, the number in the range of sound can be carried out from Row sum-equal matrix according to actual needs.
More preferably, the described range of sound has three, is respectively treble, middle register and bass area.Wherein, treble is 6K ~ 20KHz, and middle register is 200Hz ~ 6KHz, and bass area is 20Hz ~ 200Hz, and the audiorange that in life, common sound comprises can be contained substantially in three ranges of sound.
More preferably, described Speech input unit is microphone.Effectively and exactly the sound that key ejects can be converted into by microphone the electric signal that electronic component can identify, this electric signal is sound signal.Microphone process just to key to gather the sound of key, can also as the collector of other sound, as also used when singing.
The invention has the beneficial effects as follows, the sound of key is gathered by Speech input unit, then according to the audio frequency height of gathered sound, realize the alteration of form of extensible member in the different range of sound under the control of the control unit, and along with the change of extensible member shape, then observer experiences the change of wave audio intuitively by vision, visual experience intuitive is good, visual impact is stronger, impression is more deep, particularly has splendid complementary education effect to the musicality cultivation of music beginner or the personnel that become deaf.
In order to overcome the deficiencies in the prior art, the invention provides a kind of visual experience intuitive good, visual impact is comparatively strong, the piano of what impression was more deep have sound interactive function.
Technical solution of the present invention is: a kind of piano with sound interactive function, comprises piano body, also comprise
Key sensing unit, for responding to the position signalling by triggering key;
Control module, receives and according to described position signalling, produces corresponding control signal;
Vision output unit, realizes change of shape according to described control signal;
Described vision output unit is made up of some extensible members, and extensible member comprises performance panel, and is controlled by control signal and for driving the driving mechanism that moves along a straight line of performance panel.
In the present invention, the tone produced due to different key is certain, therefore its audio frequency also can be considered as fixing, then control module can directly obtain this key by the audio-frequency information that will produce when triggering according to the position of piano key triggered, thus directly according to the height of this audio-frequency information sound intermediate frequency, vision output unit is controlled, to control the motion of extensible member.
In order to perception is by the position of triggering key, then described key sensing unit is pressure transducer, and whether pressurized is to judge the position signalling by triggering key according to described key for this pressure transducer.Wherein, pressure transducer can adopt FlexiForce pressure transducer, and this sensor has soft flexible, to pressure-sensitive characteristic, can't cause any sensation when being different from traditional piano playing when user plays.Quantity and the key of pressure transducer are consistent, and are installed in below key, and when key is played, then this pressure transducer can sense corresponding pressure signal timely, and this pressure signal is sent to control module.Relative to the Speech input unit of adopted microphone form, then adopt the key sensing unit of pressure transducer form effectively can avoid the interference of external noise.
The invention has the beneficial effects as follows, record the audio frequency height that different key can send in advance, then by situation that key is triggered, control module directly can obtain the height that current key can produce audio frequency, therefore realize the alteration of form of extensible member in the different range of sound under the control of the control unit, and along with the change of extensible member shape, then observer experiences the change of wave audio intuitively by vision, visual experience intuitive is good, visual impact is stronger, impression is more deep, particularly to the musicality cultivation of music beginner or the personnel that become deaf, there is splendid complementary education effect.
Accompanying drawing explanation
Fig. 1 is the inner structure schematic diagram of the embodiment of the present invention one.
Fig. 2 is the structural representation of the embodiment of the present invention one extensible member.
Fig. 3 is the structural representation that the embodiment of the present invention one shows panel.
Fig. 4 is the front view of the embodiment of the present invention one extensible member.
Fig. 5 is the cut-open view of Fig. 4.
Fig. 6 is the structural representation in the embodiment of the present invention one range of sound.
Fig. 7 is the inner structure schematic diagram of the embodiment of the present invention three.
Fig. 8 is the assembling schematic diagram of the embodiment of the present invention three key and pressure transducer.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
Embodiment one:
As shown in Figure 1, 2, 3, the present embodiment comprises piano body 1, and piano body 1 just places a microphone 2 to the position of key 11, and this microphone 2 can be used for gathering key 11 sound, and collected sound is converted into corresponding sound signal; Also be provided with a control module 3 in piano body 1 inside, this control module 3 is single-chip microcomputer, and this control module 3 produces corresponding control signal according to gathered sound signal; On piano body 1 side or other rooms, the one vision output unit be electrically connected with control module 3 is installed, this vision output unit has at least 17 extensible members 4, each extensible member 4 comprises performance panel 41, and be controlled by control signal and for driving the driving mechanism 42 that moves along a straight line of performance panel 41, the shaft 422 that this driving mechanism 42 comprises coil 421 and is inserted in coil 421, link with performance panel 41 in one end of this shaft 422, this coil 421 is controlled by control signal.Conduction time and the size of control coil 421 is come by the control signal of control module 3, thus realize the motion of shaft 422 in coil 421, also namely realize the performance speed that moves along a straight line of panel 41 and amplitude, and then make performance panel 41 produce different visual effects.In addition, because control module 3 is hidden in piano body 1, so the impact on piano body 1 aesthetic property can be avoided, nor easily cause damage because of outside exposed.
As shown in Figure 4,5, in order to improve the visual effect of performance panel 41, improve stimulus intensity when audient experiences, one end of described shaft 422 is fixing with performance panel 41 central authorities, this performance panel 41 offers this fixed position 412 of spiral surrounding and runs through the helicla flute 411 showing panel 41 and arrange.Wherein fixed position 412 is the position fixing with performance panel 41 central authorities, shaft 422 end, because helicla flute 411 distributes in the shape of a spiral around fixed position 412, is the list structure of spiral between two adjacent turns making to show helicla flute 411 on panel 41.So, when fixed position 412 receives lengthwise power under shaft 422 drives, then linearly there is change in location in fixed position 412, now, due to inertia effect, make the part showed on panel 41 except fixed position 412 all can be formed one delayed, and distance fixed position 412 is far away, and this delayed performance is more obvious.Therefore, when showing panel 41 and driving by driving mechanism 42, then fixed position 412 part showing panel 41 can first be subjected to displacement, and occurs behind other positions, thus forms a pyramidal structure.Relative to planar structure, this pyramidal structure is visually according to impulsive force, and especially for the defective people of the sense of hearing, effect is obvious especially.
Meanwhile, in order to make visually effect more outstanding, particularly beholder can see the change all extensible members 4 showing panel 41 a rest position, then each shaft 422 is parallel to each other, and each performance panel 41 is all arranged towards same direction.In addition, each performance panel 41 also can be made when initial position to surround an arcwall face, and the initial position of said performance panel 41 is the position that performance panel 41 is subject to shaft 422 operating distance coil 421 nearest herein.
As shown in Figure 6, during in order to ensure to change between the sense of hearing and vision, realize different visual effects according to the height of wave audio, so make described extensible member 4 form the range of sound 5 of 3 different audio frequency, be respectively treble 51, middle register 52 and bass area 53.Wherein treble 51 is positioned at center, other ranges of sound according to audio frequency from high to low successively around center arrangement.Also namely there is 1 extensible member 4 treble 51 and is positioned at center, and middle register 52 has 6 extensible members 4 and symmetrical ring distributes around treble 51 circumference, and bass area 53 has 10 extensible members 4 and symmetrical ring distributes around middle register 52 circumference.Wherein, the audiorange of treble 51 is 6K ~ 20KHz, and the audiorange of middle register 52 is 200Hz ~ 6KHz, and the audiorange of bass area 53 is 20Hz ~ 200Hz, and the audiorange that in life, common sound comprises can be contained substantially in 3 ranges of sound.Therefore when the range of sounds that microphone 2 receives is 500Hz, sound then received by microphone 2 is converted into corresponding sound signal, this sound signal is delivered to control module 3, now control module 3 judges that 500Hz is positioned at middle register 52, therefore rise controlling 6 extensible members 4 of middle register 52, and in middle register 52, extensible member 4 shows that time that panel 41 rises and height determine according to the acoustic pressure of received sound.In addition, different colors can be coated on performance panel 41 surface in the different range of sound 5, thus improve the differentiation effect in the different range of sound 5.
Acoustic pressure refers to the size of sound, and the size of sound represents with decibel (i.e. dB), and the strong scope of people's ear audible sound is at about 0dB ~ 140dB, if definition 0dB ~ 50dB is low sound area, 50dB-90dB is middle sound area, and 90-140 is loud region.The interior characteristics of motion can be divided into single movement, multiple extensible member 4 moves or whole circle motion three kinds in the same range of sound (being also same circle), specifically divides according to acoustic pressure.Namely when sound is in low sound area, same range of sound extensible member 4 random motion one, when sound is in middle sound area, extensible member 4 random motion several (not being whole) in the same range of sound, when sound is in loud region, same range of sound extensible member 4 all moves together.Here, for the ease of the acoustic pressure of testing environment sound, therefore also need to increase installation HBR-ZS1 sound transducer, the measurement range of this sound transducer is 30 ~ 120dB.
In addition, contained by the number in the range of sound, the representative audiorange in each range of sound and each range of sound, the number of extensible member 4 all can artificially set as required.Arranged by center towards periphery according to audio frequency height in the range of sound, namely center is that 1 extensible member 4, second encloses as maximum 6 extensible members 4, and the rest may be inferred, and the number of turns is more, and the quantity of extensible member 4 is more.The audio frequency represented by extensible member 4 at center is the highest, and the number of turns is more, and audio frequency is lower.In practical application, the number of turns is more, and it is more careful to divide the scope of audio frequency, and effect is also abundanter.
The division in the range of sound can also be abundanter, and the range of sound as with 5 circles can divide by following rule:
20Hz--60Hz part, this section of energy to the strong sensation of music, to the sensation that people is very loud, as thunder;
60Hz--250Hz part, this section is the low frequency configuration of music, that they includes the root of rhythm part;
250Hz--4KHz part, this section contains the low-frequency harmonics of most of musical instrument;
4kHz--5KHz part, this is the frequency range affecting telepresenc (distance perspective);
6kHz--20kHz part, this frequency range controls the lightness of tone color, sonority and sharpness.
The invention has the beneficial effects as follows, the sound of key 11 is gathered by microphone 2, then according to the audio frequency height of gathered sound, the alteration of form of extensible member 4 in the different range of sound 5 is realized under the control of control module 3, and along with the change of extensible member 4 shape, then observer experiences the change of wave audio intuitively by vision, visual experience intuitive is good, visual impact is stronger, impression is more deep, particularly has splendid complementary education effect to the musicality cultivation of music beginner or the personnel that become deaf.
Embodiment two:
Driving mechanism in extensible member 4 can adopt hydraulic cylinder, and piston rod and the performance panel 41 of hydraulic cylinder are fixed, and this hydraulic cylinder is controlled by control signal.Come speed of stretching out and the event of hydraulic control cylinder upper piston rod by the control signal of control module 3, thus control piston bar shows speed and amplitude that panel 41 moves along a straight line, and then make performance panel 41 produce different visual effects.The reaction velocity of hydraulic cylinder and control effects are all better than the cooperation of coil 421 and shaft 422, therefore can as preferably of the present invention.
Embodiment three:
As shown in Figure 7,8, the present embodiment comprises piano body 1, on piano body 1, the below of key 11 is provided with the FlexiForce pressure transducer 6 for perception key 11 whether pressurized, this pressure transducer 6 has soft flexible, to pressure-sensitive characteristic, any sensation when being different from traditional piano playing can't be caused when user plays.Quantity and the key 11 of pressure transducer 6 are consistent, and are installed in below key 11, and when key 11 is played, then this pressure transducer 6 can sense corresponding pressure signal timely; This pressure transducer 6 is electrically connected with control module 3, and control module 3 receives pressure signal and produces corresponding control signal; The control signal produced is the same with embodiment one, equally for controlling the change of shape of mutually isostructural vision output unit.
The concrete technology of the present embodiment also can be applicable in mellotron, pressure signal is received by the pressure transducer below key in mellotron, then corresponding sound is sent by control module according to the concrete condition of pressed key, different is a little, control module in the present embodiment also judges that this key can produce the size of audio frequency, then selects 5 pairs, corresponding range of sound extensible member 4 to control.Therefore, this technical scheme substantial equivalence in the technical scheme of the embodiment of the present invention three, therefore also falls within protection scope of the present invention.
In the present invention, the tone produced due to different key 11 is certain, therefore its audio frequency also can be considered as fixing, therefore, record the audio frequency height that different key 11 can send in advance, the alteration of form of extensible member 4 in the different range of sound 5 is realized under the control of control module 3, and along with the change of extensible member 4 shape, then observer experiences the change of wave audio intuitively by vision, visual experience intuitive is good, visual impact is comparatively strong, and impression is more deep, particularly has splendid complementary education effect to the musicality cultivation of music beginner or the personnel that become deaf.
Claims (8)
1. there is a piano for sound interactive function, comprise piano body, it is characterized in that: also comprise
Speech input unit, for gathering the sound that key produces, and is converted into corresponding sound signal by this sound;
Control module, for receiving described sound signal, and produces corresponding control signal;
Vision output unit, realizes change of shape according to described control signal;
Described vision output unit is made up of some extensible members, and extensible member comprises performance panel, and is controlled by control signal and for driving the driving mechanism that moves along a straight line of performance panel;
Described driving mechanism comprises coil and is inserted in the shaft in coil, and link with performance panel in one end of this shaft, this coil is controlled by described control signal;
One end of described shaft is fixing with performance panel central authorities, this performance panel offers spiral surrounding fixed position and runs through the helicla flute showing panel and arrange.
2. the piano with sound interactive function according to claim 1, is characterized in that: described driving mechanism comprises the piston rod hydraulic cylinder fixing with performance panel, and this hydraulic cylinder is controlled by described control signal.
3. the piano with sound interactive function according to claim 1, is characterized in that: each shaft is parallel to each other, and each performance panel is all arranged towards same direction.
4. the piano with sound interactive function according to claim 3, it is characterized in that: described extensible member forms the range of sound of the different audio frequency of some representatives, the range of sound that its sound intermediate frequency is the highest is positioned at center, other ranges of sound according to audio frequency from high to low successively around center arrangement.
5. the piano with sound interactive function according to claim 4, is characterized in that: the described range of sound has three, is respectively treble, middle register and bass area.
6. the piano with sound interactive function according to claim 1, is characterized in that: described Speech input unit is microphone.
7. there is a piano for sound interactive function, comprise piano body, it is characterized in that: also comprise
Key sensing unit, for responding to the position signalling by triggering key;
Control module, receives and according to described position signalling, produces corresponding control signal;
Vision output unit, realizes change of shape according to described control signal;
Described vision output unit is made up of some extensible members, and extensible member comprises performance panel, and is controlled by control signal and for driving the driving mechanism that moves along a straight line of performance panel;
Described driving mechanism comprises coil and is inserted in the shaft in coil, and link with performance panel in one end of this shaft, this coil is controlled by described control signal;
One end of described shaft is fixing with performance panel central authorities, this performance panel offers spiral surrounding fixed position and runs through the helicla flute showing panel and arrange.
8. the piano with sound interactive function according to claim 7, is characterized in that: described key sensing unit is pressure transducer, and whether pressurized is to judge the position signalling by triggering key according to described key for this pressure transducer.
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| CN201310026106.4A CN103077700B (en) | 2013-01-23 | 2013-01-23 | Piano with sound interaction function |
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| CN201310026106.4A CN103077700B (en) | 2013-01-23 | 2013-01-23 | Piano with sound interaction function |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103714799B (en) * | 2013-12-31 | 2016-08-24 | 高琳 | A kind of deaf mute's piano and playing method thereof |
| CN106875932B (en) * | 2016-12-23 | 2020-12-25 | 广州丰谱信息技术有限公司 | Digital keyboard type musical instrument with sound interaction function and implementation method thereof |
| CN109118981A (en) * | 2018-09-27 | 2019-01-01 | 深圳市眼界科技有限公司 | Acoustic control matrix wall data interactive method, device and system |
| CN112754516B (en) * | 2021-02-07 | 2022-04-08 | 河南省肿瘤医院 | Intelligent bowel sound positioning and collecting device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2230392Y (en) * | 1994-11-18 | 1996-07-03 | 余鹏 | Lamp for musical instrument |
| WO2003019495A2 (en) * | 2001-08-31 | 2003-03-06 | Communication Service For The Deaf | Enhanced communications services for the deaf and hard of hearing |
| CN1591518A (en) * | 2003-08-27 | 2005-03-09 | 厉天德 | Colour visual music teaching piano |
| CN201061723Y (en) * | 2007-01-15 | 2008-05-21 | 眭志明 | Ornament with acoustic control light and spraying-water |
| CN201919136U (en) * | 2010-12-21 | 2011-08-03 | 浙江大学 | Sound box capable of playing water sound |
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