CN2857154Y

CN2857154Y - Virtual dulcimer with data nuts

Info

Publication number: CN2857154Y
Application number: CN 200520142237
Authority: CN
Inventors: 钟红刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-01
Filing date: 2005-12-01
Publication date: 2007-01-10
Anticipated expiration: 2015-12-01

Abstract

A virtual dulcimer with data nuts is connected to the full bridge and the minisize strain amplifier using a plurality of resistance strain chips on the nut heads, and is converted into the voltage signal through the strain chip induction deformation from the string force waveform of the nut head, then the minisize strain amplifier is sent into the computer; a virtual dulcimer panel is composed of a substrate and a stroke block arranged on the substrate, wherein the position of the stroke block arrangement is the same with the traditional dulcimer phoneme, arranged with a plurality of cross heaves connected to one sign signal circuit by the lead thereon; while the voice signal waveform from the virtual dulcimer panel is inputted into the computer by the sign signal circuit, to obtain a virtual dulcimer having excellent sound effect.

Description

Virtual dulcimer with data nut

Technical field

The utility model relates to dulcimer, refer to especially a kind of on traditional dulcimer qin bamboo the additional force sensing device, obtaining string force waveform, and then adopt the virtual dulcimer with data nut of computer software simulation dulcimer vibratory string response.

Background technology

The traditional dulcimer volume is bigger, and weight is big, the tone color relative fixed, and volume is less, usually relies on arenas microphone and sound equipment in the performance, or many dulcimers replacings could obtain acoustics preferably; The electric dulcimer that has is directly additional sound wave receptor and an audio amplifier under traditional dulcimer, but audio-frequency harmonic distortion is bigger, can not change above-mentioned shortcoming; The electric dulcimer that has is installed a plurality of electric and magnetic oscillation sensors under string, and cost is higher, can not change above-mentioned shortcoming.

Summary of the invention

The utility model purpose is: provide a kind of on the dulcimer nut head additional force sensing device, can be in the performance with the string force waveform input computing machine that records in real time, simultaneously with the vibratory string played on virtual dulcimer panel response sound signal waveform input computing machine, the virtual dulcimer handled of machine as calculated then with data nut.

The utility model purpose also is: provide a kind of volume less, in light weight, tone color is multiple, need not to change many dulcimers and can obtain good, and the portable virtual dulcimer with data nut of acoustics.

A kind of virtual dulcimer with data nut of the present utility model mainly comprises: external computing machine and qin bamboo; It is characterized in that: the string part position of this nut head forms the beam of two ends fixed support, is pasted with a plurality of resistance strain gages on the beam, and is connected into full-bridge circuit and is connected with a miniature strain amplifier, is provided with bus below the beam and is connected with ground wire;

Virtual dulcimer panel is made up of a plurality of pieces that impact on a substrate and the substrate, and this layout that impacts piece is identical with the position of dulcimer phoneme, and each impacts and be equipped with a plurality of projectioies of walking crosswise on determining, and is connected with a beacon signal circuit by lead;

Data acquisition module and simulation dulcimer vibratory string respond module are housed in the computing machine, can be simultaneously with from the string force waveform of nut head and come the sound signal waveform of self-virtualizing dulcimer panel to import computing machine simultaneously, and machine is handled the sound equipment that obtains virtual dulcimer as calculated.

The utility model is owing to kept traditional qin bamboo, player's play strength, speed, rhythm and other trickle skills are showed and are brought into play, computer software can be simulated the software parameter that needs with melody in addition, and change virtual dulcimer tone color, through earphone or electronic audio sounding, its acoustics is splendid again.

Because computer software can change the dulcimer tone color immediately, so need not change the melody that many dulcimers just can be played out different-style, this has bigger help to the comparison of performing technique and the improvement of action in the dulcimer teaching again.

This dulcimer also can wrirte music and remember that spectrum is also very convenient in addition, also can realize the simulation percussion instrument by changing software module.

Therefore the utility model is compared with traditional dulcimer, has the advantages that volume is little, in light weight, tone color is many, give great volume, be convenient to carry.

Description of drawings

Fig. 1, be structure connection diagram of the present utility model.(include master, the side view of the partial enlarged drawing A of nut head and virtual dulcimer panel therebetween and impact the partial enlarged drawing B and the side view thereof of piece).

Fig. 2, be workflow block diagram of the present utility model.

Embodiment

Shown in Fig. 1-2, a kind of virtual dulcimer with data nut, mainly comprise: external computing machine and qin bamboo, this qin bamboo 1 is a data nut, be to open a direct through groove 11 at traditional dulcimer nut head middle part, make the string part position form the beam 12 (asking for an interview the partial enlarged drawing A of nut head) of the approximate rectangular xsect of two ends fixed support, place, the nearly two ends of beam sides is pasted with four pieces of foil resistance foil gauges 2, these four pieces of foil resistance foil gauges 2 can be symmetrically arranged in two-sided, also can concentrate on a side, be connected into full-bridge circuit then and use thin wire to be connected with a miniature strain amplifier 3.Beam 12 belows are hit the string face and are provided with bus 4, and are connected with ground wire by lead.

Virtual dulcimer panel 5 is made up of a substrate 51 and a plurality of pieces 52 that impact that are arranged on the substrate 51; It is rectangular that this impacts piece 52, and its layout is identical with the position of traditional dulcimer phoneme, and each impact be equipped with on the piece 52 2 to 5 walk crosswise the projection 521 (asking for an interview the partial enlarged drawing B among Fig. 1), to simulate traditional string.This substrate 51 can be folding or non-collapsible, and its surface or bottom surface are furnished with from a plurality of lead (not shown) that impact piece and link to each other with a beacon signal circuit 6 respectively.

This projection 521 of walking crosswise that impacts on the piece 52 is conducting metal, insulation each other, this is walked crosswise projection 521 and is connected with a beacon signal circuit 6 by lead, this beacon signal circuit 6 is a code switch, and it is consistent with the sound equipment that impacts the piece position, when a certain rectangle of contact impact piece walk crosswise protruding 521 the time, 6 generations of beacon signal circuit with walk crosswise corresponding beacon signal in protruding 521 positions such as square-wave voltage (asking for an interview Fig. 2) input computing machine 7.

Data acquisition module 71 and simulation dulcimer vibratory string respond module 72 are housed in the computing machine 7.He can will impact the string force waveform (asking for an interview Fig. 2) at position from nut head 1, convert voltage signal to through strain bridge induction distortion, sends into computing machine 7 through miniature strain amplifier 3 again; The sound signal waveform of self-virtualizing dulcimer panel 5 is also imported computing machine 7 through beacon signal circuit 6 in the future simultaneously, and machine after handling is exported sound signal waveform (as leading stereophonic signal) more as calculated, send dulcimer sound through stereo set 8 again, or directly be connected with earphone 9.Can obtain melodious multiple dulcimer tone color like this, its effect is splendid.

Above-mentioned vibratory string respond module 72 can be provided with multiple module.

Referring to Fig. 2, during work, data nut 1 is imported computing machine 7 with string force waveform, receive by data acquisition module 71, the sound signal waveform (as rectangular wave) that virtual dulcimer panel 5 of while sends is also imported computing machine 7, and by data acquisition module 71 receptions, after after 72 arrangements of vibratory string respond module, this virtual audio signal is imported stereo set 8 to send dulcimer sound.

Claims

1, a kind of virtual dulcimer with data nut mainly comprises: external computing machine and qin bamboo; It is characterized in that: the string part position of this nut head forms the beam of two ends fixed support, is pasted with a plurality of resistance strain gages on the beam, and is connected into full-bridge circuit and is connected with a miniature strain amplifier, is provided with bus below the beam and is connected with ground wire;

Virtual dulcimer panel is made up of a plurality of pieces that impact on a substrate and the substrate, and this layout that impacts piece is identical with the position of dulcimer phoneme, and each impacts and be equipped with a plurality of projectioies of walking crosswise on the piece, and is connected with a beacon signal circuit by lead;

2, according to the described virtual dulcimer of claim 1 with data nut, it is characterized in that: a direct through groove is opened at described nut head middle part, make the string part position form the beam of the approximate rectangular xsect of two ends fixed support, place, the nearly two ends of beam sides is pasted with four resistance strain gages.

3, according to the described virtual dulcimer with data nut of claim 2, it is characterized in that: described resistance strain gage is a paper tinsel formula foil gauge, can be symmetrically arranged in the two-sided of beam or concentrate on a side of beam.

4, according to the described virtual dulcimer with data nut of claim 1, it is characterized in that: the described projection of walking crosswise that impacts on the piece is conductiving metal strip, insulation each other, and form traditional string of simulating.

5, according to the described virtual dulcimer with data nut of claim 1, it is characterized in that: described substrate is collapsible or non-collapsible.

6, according to the described virtual dulcimer with data nut of claim 5, it is characterized in that: the surface of described substrate or bottom surface are furnished with from the lead that impacts piece and link to each other with the beacon signal circuit respectively.

7, according to the described virtual dulcimer with data nut of claim 6, it is characterized in that: described beacon signal circuit is a code switch, and corresponding with the sound equipment that impacts the piece position.

8, according to the described virtual dulcimer with data nut of claim 1, it is characterized in that: the sound signal waveform of described computing machine output can be to lead stereophonic signal directly to link to each other with stereo set more.

9, according to the described virtual dulcimer with data nut of claim 1, it is characterized in that: the sound signal waveform of described computing machine output can be to lead stereophonic signal directly to be connected with earphone more.