CN102824162A - Nasal voice measuring instrument and measuring method thereof - Google Patents
Nasal voice measuring instrument and measuring method thereof Download PDFInfo
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- CN102824162A CN102824162A CN2012103013822A CN201210301382A CN102824162A CN 102824162 A CN102824162 A CN 102824162A CN 2012103013822 A CN2012103013822 A CN 2012103013822A CN 201210301382 A CN201210301382 A CN 201210301382A CN 102824162 A CN102824162 A CN 102824162A
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Abstract
The invention discloses a nasal voice measuring instrument which comprises a nasal voice acquisition unit and a filter amplifier unit. The nasal voice acquisition unit is used for acquiring nasal voice signals. The filter amplifier unit connected with the nasal voice acquisition unit is used for amplifying and filtering the nasal voice signals. The nasal voice measuring instrument is capable of filtering noise in the signals to improve precision in signal acquisition and amplifying the signals at the same time, and is capable of detecting weak information in the signals to solve the problem of signal inaccuracy. The nasal voice measuring instrument can be used with other devices such as computers and software to achieve systematic detection and estimation on speech disorders, and has the advantages of high precision and wide application in clinical applications and scientific research. The invention further provides a measuring method of the nasal voice measuring instrument.
Description
Technical field
The invention belongs to medical instruments field, relate to a kind of rhinophonia accent measuring instrument and measuring method thereof.
Background technology
Since making the invention of nose tester by Fletcher and assistant thereof the sixties in 20th century; The nose tester has become the most frequently used instrument that is used in the world to choose and improves unusual rhinophonia resonance (referring to people's such as Fletcher United States Patent(USP) No. 3; 752; 929, its applying date is on August 14th, 1973).It can survey, measures and compare the sound that during talking, is sent by nasal cavity and oral cavity. said measurement is shown as " rhinophonia (nasalance) " the intensity of sound ratio that in selectable bandwidth, calculates gained." nose record (Nasogram) " chart is used for the difference diagnosis of rhinophonia abnormal conditions, said rhinophonia abnormal conditions be by as congenital battle array the cleft palate hinders, spreading property disease as myasthenia gravis and destroy in order to the accident generation of the ability of separating oral cavity pronunciation and rhinophonia resonance.Also can be with these clear amounts in order to instruct behavior, operation and/or prosthetic insertion and to evaluate improved amount and pattern.According to the average nose flow value of the normal population that measures, be called for short MNS (Mean Nasalance Scores), and distinguish unusual crowd, thereby reach the purpose of diagnosing and assessing the nasal cavity resonance function as standard.Many researcheres are measured the MNS of each countries and regions, and each item difference of nose flow is studied.
In primary rhinophonia tester, can't accurately detect the faint information in rhinophonia signal and the accent signal, even can't measure acquisition coherent signal data; For example; When detecting the cleft palate patient, more weak because of its sound that sends, existing measuring instrument can not detect this signal exactly; Can't detect and obtain desired data, cause rhinophonia accent measurement result very big error and mistake to occur.On the other hand, rhinophonia accent measuring instrument of the prior art lacks the tuner module, and possibly there is measurement error in rhinophonia tester itself, makes rhinophonia accent measuring device of the prior art can't accurately obtain measurement data.
Summary of the invention
The present invention has overcome the defective of rhinophonia accent measuring instrument in the prior art, and a kind of rhinophonia accent measuring instrument is provided.Rhinophonia accent measuring instrument of the present invention can filter out the noise in the signal; Improve the degree of accuracy of signals collecting; Simultaneously signal is carried out amplification filtering, make subsequent processing device can detect the faint information in the signal, thereby solved the inaccurate problem of signal that records.The present invention is simple for structure, simultaneously can also cooperate other equipment, like computer and software etc., realizes that systematization detects, the assessment speech disorder, and it is high and characteristics such as be widely used in clinical and scientific research, to have precision.
The present invention proposes a kind of rhinophonia accent measuring instrument, comprising:
Rhinophonia accent collecting unit, it is used to gather rhinophonia accent signal;
The filtering amplifying unit, it is connected with said rhinophonia accent collecting unit, is used for said rhinophonia accent signal is amplified and Filtering Processing.
Wherein, said rhinophonia accent collecting unit comprises:
The mouth and nose demarcation strip, it is used to separate accent and rhinophonia;
Dual pathways electret, it is used to gather said accent signal and rhinophonia signal;
The demarcation strip support, it is connected with dual pathways electret with said mouth and nose demarcation strip, is used to support said mouth and nose demarcation strip and dual pathways electret.
Wherein, said rhinophonia accent collecting unit further comprises: rubber sleeve, it is connected with said demarcation strip support, is used to be close to user's upper lip.
Wherein, said rhinophonia accent collecting unit further comprises: the demarcation strip portable shelf, it is connected with said demarcation strip support, is used to support said demarcation strip support.
Wherein, Said filtering amplifying unit comprises shell, and is arranged on rhinophonia signal input module, the first input amplification module, the one or three rank low-pass filtering module, rhinophonia signal output module, accent signal input module, the second input amplification module, the two or three rank low-pass filtering module, accent signal output module, analog switch module, counter module, control module in the said shell.
Wherein, said rhinophonia signal input module, it is used to receive the rhinophonia signal of collection;
The said first input amplification module, it is connected with said rhinophonia signal input module, is used to amplify said rhinophonia signal;
Said the one or three rank low-pass filtering module, it is connected with the said first input amplification module, is used for said rhinophonia signal is carried out Filtering Processing;
Said rhinophonia signal output module, it is connected with said the one or three rank low-pass filtering module, is used to export said rhinophonia signal;
Said accent signal input module, it is used to receive the accent signal of collection;
The said second input amplification module, it is connected with the accent signal input module, is used to amplify said accent signal;
Said the two or three rank low-pass filtering module, it is connected with the said second input amplification module, is used for addressing accent signal is carried out Filtering Processing;
Said accent signal output module, it is connected with said the two or three rank low-pass filtering module, is used to export said accent signal;
Said analog switch module, it is connected with the said first input amplification module, the second input amplification module, is used to regulate the amplification of the said first input amplification module, the second input amplification module;
Said counter module, it is connected with said analog switch module, is used to export said gain amplifier information;
Said control module, it is connected with said counter module, is used to import said gain amplifier information;
Wherein, said filtering amplifying unit further comprises: decoder module; It is connected with said counter module, and being used for said gain amplifier information translation is amplification display lamp information;
Wherein, said filtering amplifying unit further comprises: the amplification indicating lamp module, it is connected with said decoder module, is used for receiving and showing said amplification display lamp information.
Rhinophonia accent measuring instrument of the present invention further comprises: the tuner unit, it is used to calibrate rhinophonia accent signal.
The present invention also proposes a kind of measuring method of rhinophonia accent measuring instrument, comprises the steps:
Step 1: said rhinophonia accent collecting unit is placed user's nose and mouth;
Step 2: said rhinophonia accent collecting unit is gathered accent signal and the rhinophonia signal of user in voiced process simultaneously;
Step 3: said filtering amplifying unit carries out filtering and processing and amplifying to said accent signal and rhinophonia signal;
Step 4: said rhinophonia signal output module and accent signal output module are exported said rhinophonia signal respectively and the accent signal is handled to the subsequent treatment unit.
The measuring method of rhinophonia accent measuring instrument of the present invention before carrying out said step 1, further comprises:
Steps A 1: said tuner unit sends the standard audio signal;
Steps A 2: said rhinophonia accent collecting unit is gathered said standard audio signal;
Steps A 3: said filtering amplifying unit is sent to said standard audio signal and carries out the tuner processing in the said subsequent treatment unit.
The tuner module can realize the rhinophonia signal of input and the relative calibration of accent signal; Be that the tuner unit sends under the situation of standard audio signal input; Input should be consistent to the input of rhinophonia signal with the accent signal, if inconsistent, then need carry out tuner and regulate.
In rhinophonia accent measuring instrument of the present invention and the measuring method thereof, using electret directly to gather the rhinophonia and the accent signal of user, as a kind of objective detection means, is effectively accurate detection mode.The present invention can link to each other with other external equipments, like computer, oscillograph etc., cooperates software to use, and can realize the complete analysis of signal.The present invention is simple for structure, and is simple to operate, only need put on equipment, opening power can be used.Application of the present invention is extensive, like scientific research, medical science detection, rehabilitation inspection and detection, can effectively obtain patient's the state of an illness and rehabilitation situation.The present invention has filled up the blank of domestic rhinophonia accent measuring instrument.
Description of drawings
Fig. 1 is the formation sketch map of rhinophonia interpretation measuring instrument of the present invention.
Fig. 2 is the formation sketch map of the filtering amplifying unit in the detailed measuring instrument of rhinophonia mouth of the present invention.
Fig. 3 is the sketch map of the rhinophonia accent collecting unit in the rhinophonia interpretation measuring instrument of the present invention; Wherein, Fig. 3 (a) is the vertical view of rhinophonia interpretation collecting unit; Fig. 3 (b) is the front view of rhinophonia interpretation collecting unit.
The sketch map that Fig. 4 is provided with for the shell in the rhinophonia interpretation measuring instrument of the present invention; Wherein, Fig. 4 (a) is the vertical view of shell; Fig. 4 (b) is the front view of shell.
Fig. 5 is the unitary formation sketch map of tuner in the rhinophonia interpretation measuring instrument of the present invention.
Fig. 6 is the schematic flow sheet of measuring method of the present invention.
Fig. 7 is the schematic diagram of control input signal gain amplifier in the filtering amplifying unit of the present invention.
Fig. 8 is the comparison diagram of signal waveform before and after the filtering in the rhinophonia interpretation measuring instrument of the present invention; Wherein, Fig. 8 (a) is the signal waveforms before the filtering; Fig. 8 (b) is filtered signal waveforms.
The specific embodiment
In conjunction with following specific embodiment and accompanying drawing, the present invention is done further detailed description.The process of embodiment of the present invention, condition, experimental technique etc. except that the following content of mentioning specially, are the universal knowledege and the common practise of this area, and the present invention does not have special limiting content.
Shown in Fig. 1-6,1-rhinophonia signal input module, the 2-first input amplification module, 3-the one or three rank low-pass filtering module, 4-rhinophonia signal output module; 5-tuner unit, 6-analog switch module, 7-control module, 8-counter module, 9-decoder module; 10-amplification indicating lamp module, 11-accent signal input module, the 12-second input amplification module, 13-the two or three rank low-pass filtering module, 14-accent signal output module; 15-dual pathways electret, 16-demarcation strip portable shelf, 17-demarcation strip support, 18-mouth and nose demarcation strip, 19-rubber sleeve; 20-tuner loudspeaker, 21-gain shelves number display lamp, 22-input gain amplifier button, 23-power supply and low electricity prompting display lamp, 24-tuner switch; 25-shell on and off switch, 26-rhinophonia signal input port, 27-accent signal input port, 28-signal output port, 29-shell; 30-rhinophonia accent collecting unit, 31-filtering amplifying unit, 40-operational amplifier, 41-feedback resistance.
Rhinophonia accent measuring instrument of the present invention is when measuring process; The user can be through hand-held rhinophonia accent collecting unit 30; Perhaps rhinophonia accent collecting unit 30 is fixed on user's upper lip top through putting on headgear; Mouth and nose demarcation strip 18 separates the sound of mouth and nose, and the dual pathways electret 15 on the mouth and nose demarcation strip 18 is collected the energy of mouth and nose respectively, imports then and analyzes the nose flow in the instrument.Except that the nose data on flows is provided, can also in the subsequent treatment unit, show the energy ratio of patient's muzzle in real time.The user only need send out syllable several and sentence just can be recognized situation such as average nose flow, standard deviation, maximum, minimum nose flow in real time from display screen.Rhinophonia accent measuring instrument of the present invention can accurately detect the faint information in rhinophonia signal and the accent signal, and measures acquisition coherent signal data.For example, when detecting the cleft palate patient, more weak because of its sound that sends, the present invention can detect this signal exactly and obtain desired data, has reduced rhinophonia accent measurement result and very big error or mistake have occurred.
Rhinophonia accent measuring instrument of the present invention comprises rhinophonia accent collecting unit 30 and filtering amplifying unit 31, and is as shown in Figure 1.Rhinophonia accent collecting unit 30 is used to gather rhinophonia accent signal.Filtering amplifying unit 31 is connected with rhinophonia accent collecting unit 30, is used for the rhinophonia accent signal that collects is amplified and Filtering Processing.Through filtering amplifying unit 31 the faint information in the rhinophonia accent is carried out filtering and amplification, thereby make the subsequent treatment unit can measure this small-signal.Improve the signal to noise ratio of measuring-signal through filtering amplifying unit 31, improved the accuracy that the rhinophonia accent is measured.
As shown in Figure 3, rhinophonia accent collecting unit 30 comprises: mouth and nose demarcation strip 18, dual pathways electret 15, demarcation strip support 17.Mouth and nose demarcation strip 18 is used to separate accent and rhinophonia, and mouth and nose demarcation strip 18 is the plastic front board of a 150mm*165mm size, and its shape is as shown in Figure 3, and preferably, its thickness is 5.5mm.Dual pathways electret 15 is used for acquisition port tone signal and rhinophonia signal, preferably, and signal line length 1.2m.Demarcation strip support 17 is connected with mouth and nose demarcation strip 18, dual pathways electret 15 and rubber sleeve 19, is used to support rhinophonia accent collecting unit 30.
Rhinophonia accent collecting unit 30 further comprises rubber sleeve 19, and rubber sleeve 19 is used to be close to user's upper lip.
Rhinophonia accent collecting unit 30 further comprises demarcation strip portable shelf 16, and demarcation strip portable shelf 16 is connected with demarcation strip support 17, is used to support demarcation strip support 17.
When rhinophonia signal and accent signal are input in the input amplifying circuit,, need in filtering amplifying unit 31, amplify pretreatment earlier for the low acoustical signal of the volume of direct input.As shown in Figure 2, filtering amplifying unit 31 comprises shell 29, and is arranged on rhinophonia signal input module 1 in the shell 29, the first input amplification module the 2, the 1 rank low-pass filtering module 3, rhinophonia signal output module 4; Accent signal input module 11, the second input amplification module the 12, the 23 rank low-pass filtering module 13, accent signal output module 14; And, analog switch module 6, counter module 8, control module 7.
Filtering amplifying unit 31 further comprises: decoder module 9 and amplification indicating lamp module 10.
Wherein, rhinophonia signal input module 1 is used to receive the rhinophonia signal of collection.Accent signal input module 11 is used to receive the accent signal of collection.Rhinophonia signal input module 1 is all the mini jack of 3.5mm with the jack of accent signal input module 11.The first input amplification module 2 is connected with rhinophonia signal input module 1, accent signal input module 11 respectively with the second input amplification module 12, is used to amplify rhinophonia signal and accent signal.The one or three rank low-pass filtering module the 3, the 23 rank low-pass filtering module 13 is connected with the second input amplification module 12 with the first input amplification module 2 respectively, is used for rhinophonia signal and accent signal are carried out Filtering Processing.Rhinophonia signal output module 4 is connected with three rank low-pass filtering modules 3, is used to export the rhinophonia signal.Accent signal output module 14 is connected with three rank low-pass filtering modules 13, is used for the delivery outlet tone signal.Analog switch module 6 is connected with the second input amplification module 12 with the first input amplification module 2, is used to regulate the amplification of the first input amplification module 2 and the second input amplification module 12.Counter module 8 is connected with analog switch module 6, is used to export gain amplifier information.Control module 7 is connected with counter module 8, is used to import gain amplifier information.Decoder module 9 is connected with counter module 8, and being used for the gain amplifier information translation is amplification display lamp information.Amplification indicating lamp module 10 is connected with decoder module 9, is used for receiving and shows amplification display lamp information.
The accent signal and the rhinophonia signal of 31 pairs of inputs of filtering amplifying unit of the present invention amplify and Filtering Processing; Can accurately detect the faint information in rhinophonia signal and the accent signal on the one hand; For example; When detecting the cleft palate patient, its sound that sends is more weak, and described rhinophonia accent measuring instrument can detect this signal exactly.On the other hand, the acoustical signal of importing is carried out filtering, reduced the influence of noise, improved the degree of accuracy of measuring measurement result.
Wherein, In the filtering amplifying unit 31 the first input amplification module 2 and the second input amplification module 12 are formed by an operational amplifier 40 and feedback resistance 41; Feedback resistance 41 links to each other with analog switch module 6 and constitutes the feedback impedance of operational amplifier 40 jointly; Counter module 8 links to each other with control module 7 and constitutes the control to analog switch module 6 jointly, and is as shown in Figure 7.The chip that operational amplifier 40 uses is TL062, and this amplifier is a low-power consumption JFET input operational amplifier, and bandwidth is 1MHz.Counter module 8 is a binary counter.Change the output of binary counter module 8 through control module 7; Change four of analog switch module 6 simultaneously and select the corresponding feedback resistance 41 of an analog switch; Feedback resistance 41 1 has 0 Ω, 1k Ω, 2.7k Ω, four gears of 5.6k Ω, thereby realizes the control to operational amplifier 40 gains.
Wherein, the one or three rank low-pass filtering module 3 of the present invention and the two or three rank low-pass filtering module 13 are made up of three TL062 operational amplifiers, and low pass filtered frequency is 10KHz.The characteristics of TL062 chip are that high input impedance, the bandwidth that broad is arranged, drift current and input bias current are little.Rhinophonia signal that can filtering collects through the one or three rank low-pass filtering module 3 of the present invention and the two or three rank low-pass filtering module 13 and the noise in the accent signal.What Fig. 8 showed is the comparison diagram of signal waveform before and after the filtering; Full range signal when a standard of input; Amplification is set to 5dB, and the LPF cut-off frequency of the one or three rank filtering mode piece 3 is 10kHz, and the contrast of signal output waveform and waveform input signal is as shown in Figure 8; First through 3 filterings of three rank low-pass filtering modules the noise that exists in rhinophonia signal and the accent signal, improved the degree of accuracy of measuring.
The effect of amplification indicating lamp module 10 of the present invention and decoder module 9 is the gain amplifier information of shows signal; The chip that decoder module 9 is used is CD4024; The gain shelves of decoder module 9 control amplification indicating lamp modules 10 are counted display lamp 21, the amplification of respectively corresponding four gears.
As shown in Figure 5; Tuner unit 5 among the present invention comprises tuner loudspeaker 20 and tuner switch 24; Tuner unit 5 can send the standard audio signal through tuner switch 24 control tuner loudspeaker 20, after gathering and handle through rhinophonia accent measuring instrument of the present invention, is sent in the subsequent treatment unit.The standard audio signal that tuner loudspeaker 20 send is identical with the ratio of accent signal by the rhinophonia signal after gathering; If error has appearred in the ratio of rhinophonia signal and accent signal in the subsequent treatment unit; Then carry out rhinophonia accent calibration, make the rhinophonia signal identical with the ratio of accent signal through the subsequent treatment unit.
As shown in Figure 4, the shell 29 among the present invention is provided with tuner loudspeaker 20, gain shelves number display lamp 21, input gain amplifier button 22, power supply and low electricity prompting display lamp 23, tuner switch 24, shell on and off switch 25, rhinophonia signal input port 26, accent signal input port 27, signal output port 28.
Functions such as rhinophonia accent measuring instrument of the present invention has record, broadcast, deposit can be carried out objective analysis, can write down the situation of change of the nose flow before and after the treatment.When speech therapy, let patient's pronunciation change state consciously into from automatism.The patient can make nasal cavity resonance reach normal level gradually through the pronunciation of feedback adjustment oneself.Rhinophonia accent measuring instrument distributes through the sound intensity of observing and calculate oral cavity and nasal cavity, and calculating nose flow also provides nose and the average power spectra of oral area signal, linear survey spectrum, sound spectrograph etc.Be mainly used in parafunctional measurement of nasal cavity resonance and rectification, also can be used for the pronunciation training behind the cleft palate patient prothesis, can also be used for rescuing of nose structure sound function obstacle.
The measuring method of rhinophonia accent measuring instrument of the present invention, as shown in Figure 6, comprising:
Step 1: rhinophonia accent collecting unit 30 is placed user's nose and mouth;
Step 2: rhinophonia accent collecting unit 30 is gathered accent signal and the rhinophonia signal of user in voiced process;
Step 3: filtering amplifying unit 31 boil on the nape opposite the mouth tone signal and rhinophonia signal carry out filtering and processing and amplifying;
Step 4: rhinophonia signal output module 4 exports the rhinophonia signal respectively with accent signal output module 14 and the accent signal is handled to the subsequent treatment unit.
The measuring method of rhinophonia accent measuring instrument of the present invention before the step 1 of measuring, also further comprises the tuner operation, and concrete steps are following:
Steps A 1: tuner unit 5 sends the standard audio signal;
Steps A 2: rhinophonia accent collecting unit 30 is gathered the standard audio signal;
Steps A 3: filtering amplifying unit 31 is sent to the standard audio signal and carries out the tuner processing in the subsequent treatment unit.
Embodiment:
Rhinophonia accent measuring instrument of the present invention is connected through signal output port 28 with the subsequent treatment unit.The subsequent treatment unit is meant sub computers software, oscillograph etc.Open the shell on and off switch 25 of rhinophonia accent measuring instrument, observe power supply and hang down electricity prompting display lamp 23 and whether glimmer.If power supply and low electricity prompting display lamp 23 are blink states, then need change power-supply battery.Power supply and low electricity prompting display lamp 23 are normal as if showing, battery supply is through supplying power to inner each unit after distillation, filtering, the voltage stabilizing.
Before use rhinophonia accent measuring instrument is measured, can carry out the tuner operation through tuner unit 5 earlier.After opening tuner switch 24, tuner loudspeaker 20 send the standard audio signal.Rhinophonia mouth collecting unit 30 collects this standard audio signal, after handling through filtering amplifying unit 31, is sent in the subsequent treatment unit through signal output port 28.The subsequent treatment unit carries out tuner operation, the measurement error that has been produced by rhinophonia accent measuring instrument when having reduced to measure again according to the frequency and the amplitude of this audio signal according to the standard frequency and the amplitude of standard audio signal.
Before beginning to gather the rhinophonia accent, can adopt fixedly demarcation strip portable shelf 16 of headgear, with headgear be arranged on the user the head on, through demarcation strip portable shelf 16 with the nose and mouth of demarcation strip support 17 fixed placement the user.Mouth and nose demarcation strip 18 is placed on user's upper lip top, and rubber sleeve 19 is close to user's upper lip.Accent and the rhinophonia of user in voiced process separated by mouth and nose demarcation strip 18; Dual pathways electret 15 is gathered the energy of accent and rhinophonia respectively, and this collection result is transferred to rhinophonia signal input module 1 and accent signal input module 11 respectively through rhinophonia signal and accent signal.
Rhinophonia signal input module 1 can't be detected with rhinophonia signal and the fainter signal of the accent rhinophonia in the accent signal that accent signal input module 11 receives accurately; Even the signal data that can't obtain to be correlated with, need amplify accent rhinophonia signal this moment.The gain multiple that the operator amplifies through input gain amplifier button 22 conditioning signals; Gain amplifier in the present embodiment can transfer to four gears that increase one by one of 5dB, 10dB, 15dB, 20dB (every grade of error ± 2dB); The gain amplifier of acquiescence is 5dB in use; Whenever by once importing gain amplifier button 22, gain amplifier from 5dB to 10dB, 15dB, 20dB varying cyclically.Control module 7 is sent to counter module 8 with the button number of times of gain amplifier button 22, and 8 pairs of these button number of times of counter module carry out binary counting, and the result is sent in analog switch 5 and the decoder module 9.Decoder module 9 converts this binary counting result into amplification display lamp information after deciphering, and is sent to amplification indicating lamp module 10.Amplification indicating lamp module 10 shows the multiple of current gain according to amplification display lamp information through gain shelves number display lamp 21.Analog switch 5 changes the gain amplifier multiple of the first input amplification module 2 and the second input amplification module 12 according to the binary counting result.
After rhinophonia signal and accent signal amplify through the first input amplification module 2 and the second input amplification module 12 respectively; Input in the one or three rank low-pass filtering module 3 and the two or the three rank low-pass filtering module 13; The one or three rank low-pass filtering module 3 and the two or three rank low-pass filtering module 13 carry out filtering to rhinophonia signal and accent signal respectively, the noise in the filtered signal.Filtered rhinophonia signal and accent signal transfer to respectively in rhinophonia signal output module 4 and the accent signal output module 14, transfer in the subsequent treatment unit through rhinophonia signal output module 4 and accent signal output module 14 and measure.
Protection content of the present invention is not limited to above embodiment, and under spirit that does not deviate from inventive concept and scope, variation and advantage that those skilled in the art can expect all are included among the present invention, and are protection domain with the appending claims.
Claims (9)
1. a rhinophonia accent measuring instrument is characterized in that, comprising:
Rhinophonia accent collecting unit (30), it is used for gathering simultaneously rhinophonia accent signal;
Filtering amplifying unit (31), it is connected with said rhinophonia accent collecting unit (30), is used for said rhinophonia accent signal is amplified and Filtering Processing.
2. rhinophonia accent measuring instrument according to claim 1 is characterized in that said rhinophonia accent collecting unit (30) comprising:
Mouth and nose demarcation strip (18), it is used to separate accent and rhinophonia;
Dual pathways electret (15), it is used to gather said accent signal and rhinophonia signal;
Demarcation strip support (17), it is connected with dual pathways electret (15) with said mouth and nose demarcation strip (18), is used to support said mouth and nose demarcation strip (18) and dual pathways electret (15).
3. like the said rhinophonia accent of claim 2 measuring instrument, it is characterized in that said rhinophonia accent collecting unit (30) further comprises: rubber sleeve (19), it is connected with said demarcation strip support (17), is used to be close to user's upper lip.
4. like the said rhinophonia accent of claim 2 measuring instrument, it is characterized in that said rhinophonia accent collecting unit (30) further comprises: demarcation strip portable shelf (16), it is connected with said demarcation strip support (17), is used to support said demarcation strip support (17).
5. rhinophonia accent measuring instrument according to claim 1; It is characterized in that; Said filtering amplifying unit (31) comprises shell (29), and is arranged on rhinophonia signal input module (1), the first input amplification module (2), the one or three rank low-pass filtering module (3), rhinophonia signal output module (4), accent signal input module (11), the second input amplification module (12), the two or three rank low-pass filtering module (13), accent signal output module (14), analog switch module (6), counter module (8), control module (7) in the said shell (29); Wherein,
Said rhinophonia signal input module (1), it is used to receive the rhinophonia signal of collection;
The said first input amplification module (2), it is connected with said rhinophonia signal input module (1), is used to amplify said rhinophonia signal;
Said the one or three rank low-pass filtering module (3), it is connected with the said first input amplification module (2), is used for said rhinophonia signal is carried out Filtering Processing;
Said rhinophonia signal output module (4), it is connected with said three rank low-pass filtering modules (3), is used to export said rhinophonia signal;
Said accent signal input module (11), it is used to receive the accent signal of collection;
The said second input amplification module (12), it is connected with said accent signal input module (11), is used to amplify said accent signal;
Said the two or three rank low-pass filtering module (13), it is connected with the second said input amplification module (12), is used for said accent signal is carried out Filtering Processing;
Said accent signal output module (14), it is connected with said the two or three rank low-pass filtering module (13), is used to export said accent signal;
Said analog switch module (6), it is connected with said input amplification module (2,12), is used to regulate the amplification of said first amplification module (2), the second input amplification module (12);
Said counter module (8), it is connected with said analog switch module (6), is used to export said gain amplifier information;
Said control module (7), it is connected with said counter module (8), is used to import said gain amplifier information.
6. like the said rhinophonia accent of claim 5 measuring instrument, it is characterized in that said filtering amplifying unit (31) further comprises decoder module (9) and amplification indicating lamp module (10);
Said decoder module (9), it is connected with said counter module (8), and being used for said gain amplifier information translation is amplification display lamp information;
Said amplification indicating lamp module (10), it is connected with said decoder module (9), is used for receiving and showing said amplification display lamp information.
7. rhinophonia accent measuring instrument according to claim 1 is characterized in that, further comprises:
Tuner unit (5), it is used to calibrate rhinophonia accent signal.
8. the measuring method like the said rhinophonia accent of claim 1-7 measuring instrument is characterized in that, comprises the steps:
Step 1: said rhinophonia accent collecting unit (30) is placed user's nose and mouth;
Step 2: said rhinophonia accent collecting unit (30) is gathered accent signal and the rhinophonia signal of user in voiced process simultaneously;
Step 3: said filtering amplifying unit (31) carries out filtering and processing and amplifying to said accent signal and rhinophonia signal;
Step 4: said rhinophonia signal output module (4) exports said rhinophonia signal respectively with accent signal output module (14) and the accent signal is handled to the subsequent treatment unit.
9. like the measuring method of the said rhinophonia accent of claim 8 measuring instrument, it is characterized in that, before said step 1, further comprise:
Steps A 1: said tuner unit (5) sends the standard audio signal;
Steps A 2: said rhinophonia accent collecting unit (30) is gathered said standard audio signal;
Steps A 3: said filtering amplifying unit (31) is sent to said standard audio signal and carries out the tuner processing in the said subsequent treatment unit.
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| CN103519785A (en) * | 2013-09-24 | 2014-01-22 | 泰亿格电子（上海）有限公司 | Multi-dimensional voice disorder measuring system based on multi-dimensional real-time voice modeling and method thereof |
| KR102031295B1 (en) * | 2018-06-28 | 2019-10-11 | 충남대학교산학협력단 | System for measurement of nasal energy change and method thereof |
| CN110870762A (en) * | 2019-06-27 | 2020-03-10 | 上海慧敏医疗器械有限公司 | Nasal cavity resonance rehabilitation instrument and method based on nasal flow measurement and audio-visual feedback technology |
| CN110870763A (en) * | 2019-06-27 | 2020-03-10 | 上海慧敏医疗器械有限公司 | Nasal resonance rehabilitation instrument and method based on nasal-oral resonance ratio measurement and audio-visual feedback technology |
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