CN101991473A - Shiatsu type fundamental frequency adjustment electronic artificial larynx - Google Patents
Shiatsu type fundamental frequency adjustment electronic artificial larynx Download PDFInfo
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- CN101991473A CN101991473A CN 200910090549 CN200910090549A CN101991473A CN 101991473 A CN101991473 A CN 101991473A CN 200910090549 CN200910090549 CN 200910090549 CN 200910090549 A CN200910090549 A CN 200910090549A CN 101991473 A CN101991473 A CN 101991473A
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Abstract
The invention relates to a shiatsu type fundamental frequency adjustment electronic artificial larynx. The shiatsu type fundamental frequency adjustment electronic artificial larynx is characterized by changing fundamental frequency of a glottal wave by a shiatsu switch button at any time so as to change voice tones and mainly comprising a shiatsu sensing part, a waveform generating and processing system, a power amplification circuit and an electricity-force conversion system. The shiatsu type fundamental frequency adjustment electronic artificial larynx is characterized in that a glottal waveform having individual voice characteristics is stored in the waveform generating and processing system; the fundamental frequency of the waveform is changed under the control of the switch/ shiatsu button at any time during the process of waveform generation; the generated waveform is converted to an analog signal through a digital to analog conversion module in the system; and the signal waveform output by a digital to analog converter is applied to the electricity-force conversion system after power amplification. The amplified waveform is converted to mechanical vibration through an electricity-force energy converter of a high magnetic field, the vibration is applied tp the neck of a patient through a vibration film to produce the glottal wave, and the waveform forms sound outside a lip after being modulated by a tongue, a nasal cavity, an oral cavity, a lip, and the like of the patient.
Description
Technical field
The invention belongs to voice disappearance patient's voice rehabilitation field, and relate to the artificial electronic larynx that a kind of finger pressing type fundamental frequency is regulated.
Background technology
The mankind are used for alternative various means, and voice are the most basic, the most effective and most important a kind of.Laryngeal carcinoma and other serious laryngopathy patients that hundreds thousand of meters are arranged at present in the world, have to carry out the larynx resection operation in order to treat throat diseases, this method also makes the patient lose vocality in treatment, uses voice to carry out the ability of communication thereby also just lost.The external voice method of rehabilitation that artificial electronic larynx uses as a kind of voice disappearance patient 40 years history of having had an appointment, the artificial electronic larynx operation principle that exists is simple at present.The patient withstands on throat to equipment, and the pulse that gauge tap produced is applied to patient's cervical region by vibration, passes to sound channel through tissue, produces voice after modulating.Many shortcomings such as present artificial electronic larynx exists voice to lack variation, especially lacks tone and changes, and has obvious machine taste, and background noise is big.
For improving voice effect, present researcher is placed on main energy in the removal of artificial electronic larynx background noise, and undertaken by signals such as myoelectricities in the control of artificial electronic larynx pulse generation, because electromyographic signal produces and the complexity of analyzing, effect is unsatisfactory.The artificial electronic larynx voice are regulated and control in collection, the analysis of some researcher utilization voice signal, picture signal and noise signals, mechanism's complexity, and cost increase and reliability are low.Based on the limitation of the electronic larynx technology of present existence, the tone of the sound that artificial electronic larynx produces does not change in the whole process of speaking, and this is the main cause that causes the artificial electronic larynx voice different with the normal voice quality.
Summary of the invention
The inventor recognizes, regulates glottis ripple fundamental frequency in the patient speaks process in real time, changes the tone of speaking, and just can improve the intelligibility of voice.According to this thinking, the inventor has designed the finger pressing type fundamental frequency and has regulated artificial electronic larynx equipment.
Main purpose of the present invention is, a kind of artificial electronic larynx of finger pressure control glottis ripple fundamental frequency is provided, and it has improved voice disappearance patient's the intelligibility of speech.
Of the present invention composed as follows: this electronic larynx equipment mainly comprises finger pressure sensing part, waveform generation and processing system, power amplification circuit, miniature electricity-four major parts of Li converting system.These artificial electronic larynx voice can improve the intelligibility of voice that the patient produces, and have individual characteristic voice.Wherein miniature electricity-Li converting system is made of vibrating diaphragm, high field intensity Magnet, winding support, coil windings, outer yoke and cabinet, that this system is based on that the Ampere force principle makes is a kind of simple, the calutron of directionless conversion, response fast, level and smooth, no inserted tooth, do not have the response of hysteresis, generation high speed, high acceleration, straight reciprocating motion.
Glottal waveform (individual sound mark can before be recorded, handle) can be stored in waveform generation and the processing system, in the process that the glottis ripple produces, amplitude disturbance and frequency disturbance can be added with individual sound mark; The finger pressure sensing part is used for regulating glottis ripple fundamental frequency in real time at glottis ripple production process; The waveform that waveform generation and processing system produced is converted to analogue signal by the D/A converter module in the system; Signal waveform by analog-digital converter output is connected with power amplification circuit, and is after-applied in electricity-Li energy transducer through power amplification.Waveform after the amplification is converted to mechanical vibration by the electricity-Li energy transducer of highfield, this vibration puts on patient's cervical region by vibrating diaphragm, produce the glottis ripple, this waveform is through the modulation of organs such as patient's tongue, nasal cavity, oral cavity, lip, outside lip, form voice, the change of glottis ripple fundamental frequency can produce different tones, increases the intelligibility of speech.
A feature of the present invention provides the artificial electronic larynx of finger pressure frequency modulation, and this equipment mainly is made up of finger pressure sensing part, waveform generation and processing system, power amplification circuit, regulatable miniature power-force transducer.Another feature of the present invention is to utilize finger pressure information, real time altering glottis wave frequency.
Feature of the present invention comprises:
-storage in advance has personal speech characteristic's glottal waveform in waveform generation and processing system, and waveform generation and processing system are according to the successive glottis ripple of this waveform generation, and this waveform adds amplitude fluctuation and frequency disturbance according to algorithm;
-finger pressure sensing part is converted into the signal of telecommunication with the finger pressure signal, and the amplitude of the finger pressure size decision signal of telecommunication is transferred to the fundamental frequency that waveform generation and processing system are used to regulate the glottis ripple that is produced after this signal of telecommunication need be changed through AD.
The waveform that-waveform generation and processing system produced is converted to analogue signal by the DA D/A converting circuit in the system, and analog to digital conversion circuit is realized by the DA chip of special use;
-being connected with power amplification circuit by the signal waveform of analog-digital converter output, the process power amplification is to driving electricity-Li converting system work.
Through amplifying signal, be converted to mechanical vibration through the electricity-Li energy transducer of highfield, this transducer is through particular design, and realization voltage waveform that can minimum distortion is to the conversion of mechanical vibration.
The vibration that is produced by (4) puts on patient's cervical region by vibrating diaphragm, produces the glottis ripple.This glottis ripple forms voice through the modulation of organs such as patient's tongue, nasal cavity, oral cavity, lip outside lip.
Finger pressing type fundamental frequency according to an embodiment of the invention is regulated artificial electronic larynx and can be powered by chargeable lithium cell.
Description of drawings
Fig. 1 is principle of compositionality figure of the present invention;
Fig. 2 is waveform generation and processing system principle of compositionality figure;
Fig. 3 is a schematic appearance of the present invention;
Fig. 4 is an internal structure sketch map of the present invention;
Fig. 5 is a system works schematic diagram of the present invention;
Fig. 6 is electricity of the present invention-Li conversion portion structural representation;
Fig. 7 is a workflow diagram of the present invention;
The specific embodiment
For ease of understanding principle of the present invention and actual operation process and situation, the present invention is further described below in conjunction with embodiment and accompanying drawing.
Fig. 1 is the pie graph with analog artificial electronic larynx of glottis ripple of individual characteristics according to an embodiment of the invention, this artificial electronic larynx comprises finger pressure sensing part 101, waveform generation and processing system 102, power amplification circuit 103, miniature electricity-Li converting system 104.
In the present embodiment, finger pressure sensing part 101 is realized by pressure transducer, finger applied pressure signal can be converted into the signal of telecommunication, and the big young pathbreaker of pressure determines the size of signal of telecommunication amplitude, the signal of telecommunication need be used to regulate the waveform fundamental frequency through A/D conversion back input waveform generation and processing system 102.In the present embodiment, need external A/D chip to realize the conversion of the signal of telecommunication to digital signal.
According to an embodiment, waveform generation and processing system 102 can be based on microcomputer developments, utilize the single-chip microcomputer self-contained storing devices to have the memorizer of the glottis ripple of individual characteristics, the glottis ripple that storage has individual characteristics as above-mentioned storage; By in single-chip microcomputer, writing the program that realizes corresponding function, comprise that waveform generates and the turbulent adding of frequency, and the adjusting of frequency.The waveform of output is transferred to power amplifier after changing through D/A.The signal of telecommunication of finger pressure sensing part output acts on frequency adjustment module after changing through A/D, is used to regulate glottis ripple fundamental frequency.
Figure 2 shows that the formation sketch map of waveform generation and processing system, according to a specific embodiment of the present invention, waveform generation and processing system 102 comprise memorizer 201, calculating and control system 202 and the D/A digital-to-analogue conversion module 203 that can store the glottis ripple with individual characteristics.
According to a kind of specific embodiment of the present invention, waveform generation and processing system 102 can be based on microcomputer developments, utilize the single-chip microcomputer self-contained storing devices to have the memorizer of the glottis ripple of individual characteristics, the glottis ripple that storage has individual characteristics as above-mentioned storage; By in single-chip microcomputer, writing the program that realizes corresponding function, and realize as shown in Figure 7 waveform generation and the embodiment of processing system 102, it comprises initial waveform generation module 12, frequency disturbance generation module 13, amplitude disturbance generation module 14, waveform frequency adjustment module 15, wave-shape amplitude adjustment module 16.The digital waveform signal of having added frequency disturbance and amplitude disturbance is converted into analogue signal through D/A conversion module 17, can export power amplification circuit 103 again to by the D/A conversion module 17 of special-purpose D/A chip realization.
(denomination of invention that the applicant submitted on July 27th, 2009 has specifically described waveform frequency disturbance generation module and wave-shape amplitude disturbance generation module in No. the 200910089700.1st, " the analog artificial electronic larynx of glottis ripple with individual characteristics " Chinese patent application.This application is quoted in full at this.)
Fig. 3 is the structural representation of electronic larynx according to an embodiment of the invention, and this equipment comprises: a vibrating diaphragm 1; End housing 2 on the plastics; Switch/finger pressure button 3; Amplitude adjusted knob 4; End housing 5 under the plastics.
Shift knob 3 is started working by next electronic larynx, and vibrating diaphragm 1 produces vibration; Utilize amplitude adjusted knob 4 to act on the amplitude that wave-shape amplitude adjustment module 16 is regulated the vibration that is produced.
Button 3 be shift knob also be the finger pressure button simultaneously.After button 3 is pressed, waveform generation and processing system are started working, finger pressure sensing part 101 included pressure transducer finger sensing are applied to the pressure on the button 3 simultaneously, the pressure of experiencing is converted into the signal of telecommunication, and this signal of telecommunication is imported into waveform generation and processing system 102 after by analog digital conversion; Waveform generation and processing system 102 are regulated glottis ripple fundamental frequency according to this signal of telecommunication.Like this, user can be added in finger pressure power on switch/finger pressure button 3 by change in the waveform generation process, regulate the waveform fundamental frequency, thereby the tone sounding is changed.
Fig. 4 is the internal structure sketch map of electronic larynx according to an embodiment of the invention, comprising: vibrating diaphragm 1; Vibration head bobbin 7; High strength magnetic core 8; Power amplifier module 9; Single-chip microcomputer waveform generation system 10; Rechargeable battery 6.
Fig. 5 is the system works schematic diagram of electronic larynx according to an embodiment of the invention, and this electronic larynx system comprises: finger pressure sensing part 11; Waveform generation module 12; Waveform frequency disturbance generation module 13; Wave-shape amplitude disturbance generation module 14; Frequency adjustment module 15; Amplitude adjusted module 16; D/A modular converter 17; Power amplifier module 18; Artificial electronic larynx electricity-Li modular converter 19; Power supply 20.
Fig. 6 is the structural representation of electricity according to an embodiment of the invention-Li modular converter 19, and it comprises: vibrating diaphragm 1; High field intensity Magnet 21; Winding support 22; Outer yoke 23; Cabinet 24; Coil windings 25.That this electricity-Li modular converter is based on that the Ampere force principle makes is a kind of simple, the calutron of directionless conversion, response fast, level and smooth, no inserted tooth, do not have and lag behind generation high speed, high acceleration, straight reciprocating motion.
Fig. 7 is the workflow diagram according to the operating process of an embodiment of the present invention.
Glottal waveform with personal speech characteristic is stored in single-chip microcomputer waveform generation and the processing system in advance.When needs of patients uses, vibrating diaphragm is withstood on throat (step S801), and press start button 3.The patient can regulate wave-shape amplitude (step S802) by button 4; Detect the finger pressure signal, determine waveform fundamental frequency (step S803) according to the finger pressure size; Produce final waveform and output (step S804) by single-chip microcomputer; Final waveform is converted to analogue signal (step S805) by DA D/A converting circuit 17; After this analogue signal is amplified (step S806) through power amplifier module 18, drive electricity-Li modular converter 19 work, electric energy is converted into mechanical energy, produce vibration (step S807), vibration is applied in patient's cervical region, produce glottis ripple (step S808), this waveform forms voice through the modulation of organs such as patient's tongue, nasal cavity, oral cavity, lip outside lip.The patient can regulate finger pressure at any time in the process of speaking, if finger pressure changes, then single-chip microcomputer is inner produces interrupt signal and pass to waveform frequency adjustment module 15, regulates waveform fundamental frequency (step S809).
Should be understood that, below in conjunction with the accompanying drawings and embodiments to just explanation but not determinate of description that the present invention carried out, and do not breaking away under the prerequisite of the present invention that limits as appended claims, can carry out various changes, distortion and/or correction the foregoing description.
Claims (9)
1. the finger pressing type fundamental frequency with individual characteristics is regulated artificial electronic larynx, it is characterized in that comprising:
A switch/finger pressure button (3),
Finger pressure sensing part (101) is used for detecting the pressure that is applied on described switch/finger pressure button (3), and produces the finger pressure detection signal corresponding with this pressure,
Waveform generation and processing section (102) are used to produce the glottis ripple, and the fundamental frequency of described glottis ripple changes according to described finger pressure detection signal,
Power amplification circuit (103),
Regulatable miniature electricity-Li conversion portion (104).
2. finger pressing type fundamental frequency as claimed in claim 1 is regulated artificial electronic larynx, it is characterized in that:
Described finger pressure sensing part (101) further comprises:
A pressure transducer is used for the pressure that user is applied on described switch/finger pressure button (3) is converted to described finger pressure detection signal.
3. finger pressing type fundamental frequency as claimed in claim 1 is regulated artificial electronic larynx, and it is characterized in that: described waveform generation and processing section (102) further comprise:
Be used to store the memory of glottal waveform with individual sound mark,
Waveform generation module (12) is used for producing described glottis ripple according to the single glottal waveform of storage in advance,
Waveform frequency disturbance generation module (13) is used for adding frequency disturbance at the glottis ripple that described waveform generation module (12) produces,
Wave-shape amplitude disturbance generation module (14) is used for adding amplitude disturbance at the glottis ripple that described waveform generation module (12) produces,
Waveform frequency adjustment module (15) is used for regulating described glottis wave frequency according to described finger pressure detection signal.
Wave-shape amplitude adjustment module (16) is regulated the glottis wave amplitude under amplitude adjusted knob (4) control.
D/A modular converter (17) is used for digital signal is converted into analogue signal.
4. finger pressing type fundamental frequency as claimed in claim 3 is regulated artificial electronic larynx, it is characterized in that:
Described finger pressing type fundamental frequency is regulated artificial electronic larynx and is further comprised D/A converter module (17), is used for the glottis ripple that described waveform generation module (12) is produced is converted to analogue signal,
Described power amplification circuit (103) is used for the signal waveform of described D/A converter module (17) output is carried out power amplification.
5. finger pressing type fundamental frequency as claimed in claim 4 is regulated artificial electronic larynx, it is characterized in that described regulatable miniature electricity-Li converting system (104) further comprises:
A high field intensity Magnet (21);
Be set at described high field intensity Magnet (21) outer yoke (23) on every side;
Be set at the coil windings (25) between described high field intensity Magnet (21) and the described outer yoke (23);
Vibrating diaphragm (1) with described coil windings (25) mechanical couplings;
Wherein the signal of power amplification circuit (103) output is added on the described coil windings (25), is the mechanical vibration of described vibrating diaphragm (1) thereby be used for the waveform transformation after described power amplification circuit (103) amplification.
6. finger pressing type fundamental frequency as claimed in claim 5 is regulated artificial electronic larynx, it is characterized in that:
Mechanical couplings between described coil windings (25) and the described vibrating diaphragm (1) realizes by a winding support (22).
7. finger pressing type fundamental frequency as claimed in claim 6 is regulated artificial electronic larynx, it is characterized in that:
The mechanical vibration of described vibrating diaphragm (1) are used to be applied in the user cervical region to produce the glottis ripple, thereby make the glottis ripple form voice outward through the lip that is modulated at of organs such as user tongue, nasal cavity, oral cavity, lip, and that described regulatable miniature electricity-Li converting system (104) is based on that the Ampere force principle makes is a kind of simple, the calutron of directionless conversion, its response fast, level and smooth, no inserted tooth, do not have the response of hysteresis, and be suitable for producing the straight reciprocating motion of high speed, high acceleration.
8. produce method, it is characterized in that comprising with finger pressure control glottis ripple fundamental frequency:
Glottal waveform with individual sound mark is stored in the memory,
Single glottal waveform according to storage in advance produces the glottis ripple,
According to the real-time fundamental frequency of regulating described glottis ripple of pressure that acts on a switch/finger pressure button (3),
Described glottis ripple is carried out power amplification,
Described continuous glottis ripple after the power amplification is converted to the mechanical vibration of a vibrating diaphragm (1) of a miniature electricity-Li converting system (103).
9. the method for generation finger pressure control glottis wave frequency as claimed in claim 8 is characterized in that further comprising:
The mechanical vibration of described vibrating diaphragm (1) are put on the user cervical region with generation glottis ripple, thereby make the glottis ripple form voice outward through the lip that is modulated at of organs such as user tongue, nasal cavity, oral cavity, lip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910090549 CN101991473B (en) | 2009-08-20 | 2009-08-20 | Finger pressing type fundamental frequency adjustment electronic artificial larynx |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910090549 CN101991473B (en) | 2009-08-20 | 2009-08-20 | Finger pressing type fundamental frequency adjustment electronic artificial larynx |
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| CN101991473A true CN101991473A (en) | 2011-03-30 |
| CN101991473B CN101991473B (en) | 2013-04-17 |
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| CN 200910090549 Expired - Fee Related CN101991473B (en) | 2009-08-20 | 2009-08-20 | Finger pressing type fundamental frequency adjustment electronic artificial larynx |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623002A (en) * | 2012-02-20 | 2012-08-01 | 陕西师范大学 | Bionic device for simulating vocal-cord vibration |
| CN104188736A (en) * | 2014-07-22 | 2014-12-10 | 北京航空航天大学 | Electronic artificial throat training system based on orificium fistula airflow and air pressure signal regulation and control and operating method |
| CN104207860A (en) * | 2013-06-04 | 2014-12-17 | 刘璟锋 | Artificial sound producing device |
| CN105310806A (en) * | 2014-08-01 | 2016-02-10 | 北京航空航天大学 | Electronic artificial throat system with voice conversion function and voice conversion method thereof |
| CN105326580A (en) * | 2014-08-12 | 2016-02-17 | 北京航空航天大学 | Intraoral microphone type electronic artificial throat |
| CN107307923A (en) * | 2016-04-27 | 2017-11-03 | 北京航空航天大学 | The artificial electronic larynx system and its fundamental frequency adjusting method of sounding fundamental frequency are adjusted using roller |
| CN107411847A (en) * | 2016-11-11 | 2017-12-01 | 清华大学 | A kind of artificial larynx and its sound converting method |
| CN110890149A (en) * | 2019-10-14 | 2020-03-17 | 北京航空航天大学 | Toned electronic artificial larynx controlled by touch panel and tone adjusting method |
-
2009
- 2009-08-20 CN CN 200910090549 patent/CN101991473B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623002A (en) * | 2012-02-20 | 2012-08-01 | 陕西师范大学 | Bionic device for simulating vocal-cord vibration |
| CN102623002B (en) * | 2012-02-20 | 2013-12-18 | 陕西师范大学 | Bionic device for simulating vocal-cord vibration |
| CN104207860A (en) * | 2013-06-04 | 2014-12-17 | 刘璟锋 | Artificial sound producing device |
| CN104188736A (en) * | 2014-07-22 | 2014-12-10 | 北京航空航天大学 | Electronic artificial throat training system based on orificium fistula airflow and air pressure signal regulation and control and operating method |
| CN104188736B (en) * | 2014-07-22 | 2016-06-29 | 北京航空航天大学 | Artificial electronic larynx training system and the operational approach of signals-modulating is pressed based on fistula implication gas |
| CN105310806A (en) * | 2014-08-01 | 2016-02-10 | 北京航空航天大学 | Electronic artificial throat system with voice conversion function and voice conversion method thereof |
| CN105310806B (en) * | 2014-08-01 | 2017-08-25 | 北京航空航天大学 | Artificial electronic larynx system and its phonetics transfer method with voice conversion function |
| CN105326580A (en) * | 2014-08-12 | 2016-02-17 | 北京航空航天大学 | Intraoral microphone type electronic artificial throat |
| CN107307923A (en) * | 2016-04-27 | 2017-11-03 | 北京航空航天大学 | The artificial electronic larynx system and its fundamental frequency adjusting method of sounding fundamental frequency are adjusted using roller |
| CN107411847A (en) * | 2016-11-11 | 2017-12-01 | 清华大学 | A kind of artificial larynx and its sound converting method |
| CN107411847B (en) * | 2016-11-11 | 2020-04-14 | 清华大学 | Artificial larynx and its sound conversion method |
| CN110890149A (en) * | 2019-10-14 | 2020-03-17 | 北京航空航天大学 | Toned electronic artificial larynx controlled by touch panel and tone adjusting method |
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