CN112235707A - Voice acquisition and transmission digital communication system based on Bluetooth technology - Google Patents
Voice acquisition and transmission digital communication system based on Bluetooth technology Download PDFInfo
- Publication number
- CN112235707A CN112235707A CN202011194674.1A CN202011194674A CN112235707A CN 112235707 A CN112235707 A CN 112235707A CN 202011194674 A CN202011194674 A CN 202011194674A CN 112235707 A CN112235707 A CN 112235707A
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- circuit
- bluetooth
- sound
- control host
- hearing aid
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 title claims abstract description 12
- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 230000003321 amplification Effects 0.000 claims description 11
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 230000006870 function Effects 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 208000032041 Hearing impaired Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 208000016354 hearing loss disease Diseases 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 206010036626 Presbyacusis Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 208000009800 presbycusis Diseases 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
- H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/40—Arrangements for obtaining a desired directivity characteristic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/609—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of circuitry
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
A voice acquisition and transmission digital communication system based on Bluetooth technology comprises a receiving chamber body, a Bluetooth control host and a directional sound pickup, wherein the Bluetooth control host and the directional sound pickup are arranged in the receiving chamber body; one end of the Bluetooth control host is connected with a directional sound pick-up through a built-in wireless Bluetooth module, and the other end of the Bluetooth control host is connected with a wired hearing aid earphone through a voice line; the Bluetooth control host is provided with a wired hearing aid earphone interface, the host is controlled to correct the volume through the first wireless Bluetooth module, the matched volume and tone quality are provided, the signal intensity entering an auditory system is increased through the gain of the invention, and the damaged hearing is compensated to a certain extent.
Description
Technical Field
The invention discloses a voice acquisition and transmission digital communication system based on a Bluetooth technology, and belongs to the field of wireless communication.
Background
Currently, the number of people with hearing impairment in China exceeds 2000 ten thousand, and in recent years, the number of patients with presbycusis is gradually increased due to the improvement of medical level and the prolonging of average life of residents. The sound is an important information transmission mode in interpersonal communication and daily life, and the hearing impairment causes great inconvenience to patients.
The invention can relieve the difficulty of most hearing-impaired patients, and the signal intensity entering the auditory system is enlarged by the gain of the invention, thereby compensating the impaired hearing to a certain extent. Because the traditional hearing aid adopts a mode of installing a microphone in the hearing aid to receive sound, the sound pickup effect of the traditional hearing aid is related to the environment and the position of a wearer, and in a noisy environment, the sound received by the hearing aid comprises useful information and environmental noise; if the gain is too small, the useful sound will be buried in the noise; if the gain is too large, the intensity of the noise is too great and may further impair the wearer's hearing.
Disclosure of Invention
The invention mainly solves the technical problems that: through the loss of the practicability of the existing hearing aid and the traditional voice transmission mode, the scheme which is simple in structure, convenient and reliable to use and capable of effectively solving the problems of voice transmission and amplification is provided, and the technical scheme of the invention is realized as follows: a voice acquisition and transmission digital communication system based on Bluetooth technology comprises a receiving chamber body, a Bluetooth control host and a directional sound pickup, wherein the Bluetooth control host and the directional sound pickup are arranged in the receiving chamber body; one end of the Bluetooth control host is connected with a second wireless Bluetooth module arranged in the directional sound pick-up through a built-in first wireless Bluetooth module, and the other end of the Bluetooth control host is connected with a wired hearing aid earphone through a voice line; the bluetooth control host computer provides wired hearing aid earphone interface, proofreads the volume through first wireless bluetooth module control host computer, provides volume and tone quality that matches.
Preferably, the method comprises the following steps: the utility model discloses a hearing aid earphone, including directional adapter, the wireless bluetooth module of second, pickup circuit, the circuit of making an uproar falls, wherein fall and still contain temperature compensation circuit and ADC converting circuit among the circuit of making an uproar, can convert pronunciation to digital signal, pickup circuit connects the circuit of making an uproar, and ADC circuit through falling in the circuit of making an uproar converts digital signal in with signal transmission to the integrated management control module in through the wireless bluetooth circuit of second to the directional adapter includes external volume control button and switch button, and wherein volume control button can be used to adjust tone quality and volume, conveniently adjusts the size of hearing aid earphone output volume, directional adapter includes power management circuit, the wireless bluetooth module of second, pickup circuit, falls the circuit of making an uproar, and ADC circuit through falling in the circuit of making an uproar converts digital signal into in the wireless bluetooth circuit of second to the integrated management control module.
Preferably, the method comprises the following steps: the comprehensive management control module comprises a first wireless Bluetooth circuit, a signal amplification and impedance matching circuit, a sound automatic compensation circuit, a power management circuit, a MUC (multi-user terminal) and a peripheral circuit, wherein the first wireless Bluetooth circuit receives signals and then transmits the processed sound to the amplification signal and impedance matching circuit through the primary processing of the sound automatic compensation circuit, the sound is transmitted to the MUC and the peripheral circuit after amplification and noise removal, and the sound is output to a hearing aid earphone through the MUC and the peripheral circuit, so that the function that the hearing aid earphone receives voice is realized.
Preferably, the method comprises the following steps: the first wireless Bluetooth circuit is also provided with a radio station FM radio circuit which is directly connected with the sound automatic compensation circuit for preliminary processing, the processed sound is transmitted to the amplification signal and impedance matching circuit, the sound is transmitted to the MUC and the peripheral circuit after amplification and noise removal, and the sound is output to the hearing-aid earphone through the MUC and the peripheral circuit, so that the function of the hearing-aid earphone for listening to the radio is realized.
Compared with the prior art, the invention has the following effects:
the control is simplified, the volume of the earphone is actively adjusted by the patient, and the patient can conveniently adjust the volume;
the sound transmission is digitalized, and the sound is wirelessly transmitted through the Bluetooth between the directional pickup and the Bluetooth control host, so that the people-to-people conversation is realized without distance;
data integration processing, bluetooth control host computer and hearing aid earphone lug connection reduce the interference of the traditional earphone of external radio wave signal.
The invention can relieve the difficulty of most hearing-impaired patients, and the signal intensity entering the auditory system is enlarged by the gain of the invention, thereby compensating the impaired hearing to a certain extent. Because the traditional hearing aid adopts a mode of installing a microphone in the hearing aid to receive sound, the sound pickup effect of the traditional hearing aid is related to the environment and the position of a wearer, and in a noisy environment, the sound received by the hearing aid comprises useful information and environmental noise; if the gain is too small, the useful sound will be buried in the noise; if the gain is too large, the intensity of the noise is too great and may further impair the wearer's hearing.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a circuit diagram 1 of the present invention.
Fig. 4 is a circuit diagram of the present invention 2.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings, and as shown in fig. 1-4, a voice collecting and transmitting digital communication system based on bluetooth technology comprises a receiving chamber body 1, a bluetooth control host 2 and a directional sound pickup 3, which are arranged in the receiving chamber body 1, and is characterized in that the receiving chamber body 1 is provided with a charging hole 4, and when the receiving chamber is received, a battery arranged in the sound pickup and a battery arranged in the bluetooth control host 2 are charged; one end of the Bluetooth control host 2 is connected with a second wireless Bluetooth module 6 arranged in the directional sound pick-up through a built-in first wireless Bluetooth module 5, and the other end of the Bluetooth control host is connected with a wired hearing aid earphone through a voice line; the bluetooth main control system 2 provides wired hearing aid earphone interface, proofread the volume through the first wireless bluetooth module 5 main control system, provide volume and tone quality of matching, bluetooth main control system 2 comprises bluetooth main control system own casing 20 and the integrated management control module 14 of setting in the casing inside, be equipped with external volume adjustment button 8 and switch button 9 on the casing 20, wherein volume adjustment button 8 can be used to adjust tone quality and volume, conveniently adjust the size of hearing aid earphone output volume, directional sound pick-up 3 contains power management circuit 10, second wireless bluetooth module 6, pickup circuit 11, noise reduction circuit 12, still contains temperature compensation circuit 13 and ADC converting circuit 21 in the noise reduction circuit 12, can convert pronunciation into digital signal, pickup circuit 11 connects noise reduction circuit 12, ADC circuit 21 through noise reduction circuit 12 converts digital signal into, in transmitting the signal to the integrated management control module 2 through the second wireless bluetooth circuit 6, still be equipped with lithium battery charging circuit in the power management circuit 10 for it is continuously given to supply power to the adapter 3, the integrated management control module 2 includes first wireless bluetooth circuit 5, signal amplification and impedance matching circuit 18, sound automatic compensation circuit 22, power management circuit 15, MUC and peripheral circuit 19, first wireless bluetooth circuit 5 receives the preliminary treatment through sound automatic compensation circuit 22 after the signal, in transmitting the sound that is processed to amplifying signal and impedance matching circuit 18, through amplify and remove the noise after with transmit sound to MUC and peripheral circuit 19, export to receiving the hearing aid earphone through MUC and peripheral circuit 19, realize the function that the hearing aid earphone received the pronunciation, still be equipped with FM radio circuit 17 in the first wireless bluetooth circuit 5, the FM radio circuit 17 of the radio station is directly connected with the automatic sound compensation circuit 22 for preliminary processing, the processed sound is transmitted to the amplified signal and impedance matching circuit 1819, and then is transmitted to the MUC and the peripheral circuit after being amplified and noise removed, and is output to the hearing aid earphone through the MUC and the peripheral circuit 19, so that the function of hearing the radio by the hearing aid earphone is realized.
The specific use method comprises the following steps: the directional sound pick-up is worn by a user and collects the voice of the user; the Bluetooth control host is connected with the directional pickup, and the voice is transmitted to the Bluetooth control host; the user wears the hearing aid earphone, the Bluetooth control host is connected with the hearing aid earphone, and the voice is output to the ear of the user from the hearing aid earphone through the Bluetooth control host. The directional pickup is worn by the user, the directional pickup gathers pronunciation of pronunciation collection person, pronunciation are through the ADC module of directional pickup, convert speech into digital signal, pass through BLE, digital signal transmits bluetooth control host computer, through making an uproar and preventing the distortion of bluetooth control host computer BT/BLE control circuit MCU, digital signal converts analog signal into, analog signal is through signal amplification, the user wears bluetooth control host computer and hearing aid earphone, user's ear is sent to pronunciation, realize the real-time conveying of pronunciation. The Bluetooth microphone comprises a storage bin, a Bluetooth control host and a directional pickup. The storage bin comprises a storage shell and a charging circuit, the storage bin is used for charging and storing the Bluetooth control host and the directional sound pick-up, and when the storage bin is stored, the built-in battery of the directional sound pick-up and the built-in battery of the Bluetooth control host are charged; the Bluetooth control host comprises a shell of the Bluetooth host and an equipment circuit, wherein the shell comprises a control button for adjusting tone quality and volume, and the equipment circuit of the comprehensive management control module is arranged in the shell; lithium battery charging circuit is contained to directional adapter, pickup circuit, bluetooth module and the circuit of making an uproar falls. The integrated management control module is connected with a BT/BLE control circuit, and the BT/BLE control circuit comprises a lithium battery charging circuit, a power supply management circuit, a BT/BLE circuit, a noise reduction circuit, a frequency modulation FM radio circuit, an automatic sound compensation circuit, a signal amplification circuit, an impedance matching circuit and a temperature compensation circuit. The lithium battery charging circuit outputs power for the whole system, and the output of the lithium battery charging circuit is connected with power management.
Claims (4)
1. A voice acquisition and transmission digital communication system based on Bluetooth technology comprises a receiving chamber body, a Bluetooth control host and a directional sound pickup, wherein the Bluetooth control host and the directional sound pickup are arranged in the receiving chamber body; one end of the Bluetooth control host is connected with a second wireless Bluetooth module arranged in the directional sound pick-up through a built-in first wireless Bluetooth module, and the other end of the Bluetooth control host is connected with a wired hearing aid earphone through a voice line; the bluetooth control host computer provides wired hearing aid earphone interface, proofreads the volume through first wireless bluetooth module control host computer, provides volume and tone quality that matches.
2. The bluetooth technology-based voice collection and transmission digital communication system as claimed in claim 1, wherein the bluetooth control host comprises a bluetooth host housing and a comprehensive management control module disposed inside the housing, the housing is provided with an external volume adjustment button and a switch button, wherein the volume adjustment button can be used for adjusting tone quality and volume, and is convenient for adjusting the output volume of the hearing aid earphone, the directional sound pickup comprises a power management circuit, a second wireless bluetooth module, a sound pickup circuit, and a noise reduction circuit, wherein the noise reduction circuit further comprises a temperature compensation circuit and an ADC conversion circuit, which can convert voice into digital signals, the sound pickup circuit is connected to the noise reduction circuit, the digital signals are converted by the ADC circuit in the noise reduction circuit, and the signals are transmitted to the comprehensive management control module through the second wireless bluetooth circuit, and a lithium battery charging circuit is also arranged in the power management circuit and used for continuously supplying power to the sound pick-up.
3. The bluetooth technology based speech acquisition and transmission digital communication system of claim 2, wherein the integrated management control module comprises a first wireless bluetooth circuit, a signal amplification and impedance matching circuit, an automatic sound compensation circuit, a power management circuit, a MUC and a peripheral circuit, the first wireless bluetooth circuit receives the signal and then transmits the processed sound to the signal amplification and impedance matching circuit through the initial processing of the automatic sound compensation circuit, and then transmits the sound to the MUC and the peripheral circuit after amplifying and removing the noise, and then outputs the sound to the hearing aid earphone through the MUC and the peripheral circuit, thereby realizing the function of receiving the speech by the hearing aid earphone.
4. The bluetooth technology-based voice capturing and transmitting digital communication system according to claim 1 or 3, wherein the first wireless bluetooth circuit further comprises a radio FM receiver circuit, the radio FM receiver circuit is directly connected to the automatic sound compensation circuit for preliminary processing, the processed sound is transmitted to the amplified signal and impedance matching circuit, the sound is amplified and removed, and then transmitted to the MUC and peripheral circuits, and is output to the hearing aid earphone through the MUC and peripheral circuits, so as to realize the function of the hearing aid earphone to hear the radio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011194674.1A CN112235707A (en) | 2020-10-30 | 2020-10-30 | Voice acquisition and transmission digital communication system based on Bluetooth technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011194674.1A CN112235707A (en) | 2020-10-30 | 2020-10-30 | Voice acquisition and transmission digital communication system based on Bluetooth technology |
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| Publication Number | Publication Date |
|---|---|
| CN112235707A true CN112235707A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011194674.1A Pending CN112235707A (en) | 2020-10-30 | 2020-10-30 | Voice acquisition and transmission digital communication system based on Bluetooth technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023142299A1 (en) * | 2022-01-26 | 2023-08-03 | 耿军 | Self-service adjustment hearing-aid earphone having wireless test function, and adjustment method therefor |
-
2020
- 2020-10-30 CN CN202011194674.1A patent/CN112235707A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023142299A1 (en) * | 2022-01-26 | 2023-08-03 | 耿军 | Self-service adjustment hearing-aid earphone having wireless test function, and adjustment method therefor |
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