CN109511072A - A kind of bluetooth hearing assistance system - Google Patents
A kind of bluetooth hearing assistance system Download PDFInfo
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- CN109511072A CN109511072A CN201910040025.7A CN201910040025A CN109511072A CN 109511072 A CN109511072 A CN 109511072A CN 201910040025 A CN201910040025 A CN 201910040025A CN 109511072 A CN109511072 A CN 109511072A
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- circuit
- bluetooth
- control circuit
- assistance system
- hearing assistance
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/51—Aspects of antennas or their circuitry in or for hearing aids
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses a kind of bluetooth hearing assistance system.External signal is received by first control circuit, the amplification factor of display circuit selection and display external signal is selected by LCD screen, first control circuit detects the control instruction of amplification factor, amplification factor instruction is sent to second control circuit by bluetooth sending module circuit and bluetooth receiving module circuit, second control circuit amplifies processing to audio-frequency module circuit according to amplification factor.Being able to solve current hearing compensation device using bluetooth hearing assistance system of the invention has that audio output quality is low, high using power consumption, radiation is big and expensive.
Description
Technical field
The present invention relates to hearing hearing aid fields, more particularly to a kind of bluetooth hearing assistance system.
Background technique
Although science and technology is still constantly developing, medical domain also obtains more and more proud achievements, still prevents not
Lead to congenital and posteriority dysaudia number more and more trend due to various reasons.According to China's Statistical data
Show: probability of happening of the ewborn infant with two sides severe or pole severe hearing dysfunction is about one thousandth, if adding again
The probability of happening of upper slight hearing impairment, moderate or pole severe hearing dysfunction will be up to 3/1000ths.Class currently on the market
It is also to emerge one after another like the hearing compensations device such as hearing aid, cochlear implant.Increasing hearing dysfunction number
Mean that the demand of assisting hearing compensation equipment is more and more, it is desirable that it is also higher and higher therewith, but current hearing compensation dress
It sets and there is a problem of that audio output quality is low, high using power consumption, radiation is big and expensive.
Summary of the invention
The object of the present invention is to provide a kind of bluetooth hearing assistance system, it is able to solve current hearing compensation device there are audios and is defeated
The problem that mass is low, high using power consumption, radiation is big and expensive.
To achieve the above object, the present invention provides following schemes:
A kind of bluetooth hearing assistance system, comprising: main module and from module, the main module includes first control circuit, first
Power circuit, LCD screen selection display circuit and bluetooth sending module circuit, the first control circuit are electric with described first respectively
Source circuit, LCD screen selection display circuit and the bluetooth sending module circuit connection；It is described to include the second control from module
Circuit, second source circuit, audio-frequency module circuit and bluetooth receiving module circuit；The second control circuit is respectively with described
Two power circuits, the audio-frequency module circuit and the bluetooth receiving module circuit connection；
The first control circuit receives external signal, is selected described in display circuit selection and display by the LCD screen
The amplification factor of external signal, the first control circuit detect the control instruction of the amplification factor, pass through the bluetooth
Sending module circuit and the bluetooth receiving module, which instruct the amplification factor, is sent to second control circuit, second control
Circuit processed amplifies processing to the audio-frequency module circuit according to the amplification factor.
Optionally, the first control circuit and the second control circuit use STM32F103C8T6 microcontroller.
Optionally, first power circuit and the second source circuit use ASM111.7-3.3 voltage stabilizing chip.
Optionally, the bluetooth sending module circuit and the bluetooth receiving module circuit use BCM417 bluetooth.
Optionally, the audio-frequency module circuit uses audio codec VS1053B.
Optionally, the bluetooth hearing assistance system further includes peripheral circuit, and the peripheral circuit is controlled with described first respectively
Circuit is connected with the second control circuit.
Optionally, the peripheral circuit includes that the first clock circuit, second clock circuit, the first reset circuit and second are multiple
Position circuit, first clock circuit and first reset circuit are connect with the first control circuit respectively, and described second
Clock circuit and second reset circuit are connect with the second control circuit respectively.
The specific embodiment provided according to the present invention, the invention discloses following technical effects: the present invention provides a kind of indigo plant
Tooth hearing assistance system receives external signal by first control circuit, selects display circuit selection and the external letter of display by LCD screen
Number amplification factor, first control circuit detects the control instruction of amplification factor, passes through bluetooth sending module circuit and bluetooth
Amplification factor instruction is sent to second control circuit by receiving module circuit, and second control circuit is according to amplification factor to audio mould
Block circuit amplifies processing.Bluetooth hearing assistance system of the invention can for hearing-impaired people design an operation it is relatively easy,
Audio output quality is relatively high, radiation relatively low using power consumption is relatively small and price is opposite and cheap assisting hearing
Compensation system can help hearing-impaired people to solve the problems, such as to link up inconvenience with normal person to a certain extent, solve in life for it
Most of problem, convenient for improving their quality of life, the disabled person for restoring hearing dysfunction to the confidence of life and
The approval to itself is rebuild, promotes the construction of its good physiological health and mental health, them is helped to better blend into society.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is bluetooth of embodiment of the present invention hearing assistance system composition schematic diagram；
Fig. 2 is that the embodiment of the present invention activates PCM recorded program flow chart；
Fig. 3 is that the embodiment of the present invention judges gain parameter program flow diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of bluetooth hearing assistance system, it is able to solve current hearing compensation device there are audios and is defeated
The problem that mass is low, high using power consumption, radiation is big and expensive.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Bluetooth is the agreement formulated for the wireless communication in individual region, as the synonym of new science and technology, evil spirit most outstanding
Power is the characteristics of its " easy to use ".The same with Wi-Fi technology, Bluetooth technology belongs to short-distance wireless access technology, can
Carry out comprehensive transmission.As a kind of outstanding wireless access technology, bluetooth can carry out the region that cable network does not cover
Covering, transmission range greatly save cost up to 10 meters, improve efficiency of transmission.The emergence and development of Bluetooth technology greatly push away
Application range that is dynamic and expanding wireless communication, allows various data and software in network to pass through extremely convenient and fast mode
It realizes and interconnects, realize the data and voice communication of fast and flexible in individual region.Exactly under such trend, bluetooth skill
Art is just played an active part in by the ordinary user of producer and many concern Environment Sciences when exploitation, and is applied to practice
Among, the application of bluetooth wireless technology is also continuously available innovative development, and the various electronic products based on bluetooth continue to bring out.
And in being evolving as traditional medical hearing-aid device, a kind of wireless technology is needed just to carry out corresponding data
Transmission, so having the characteristics that easy to use, working frequency is general, low in cost, strong antijamming capability, transmission rate are high
Bluetooth becomes the only selection for realizing data wireless transmission function between hearing-aid device.From the point of view of the development process of hearing-aid device,
Wherein by wireless access technology application, become an inexorable trend and the side of hearing-impaired people's assisting hearing compensation system development now
To.It allows hearing-impaired people using high performance hearing compensation equipment, to the technology development for pushing wireless hearing assistance devices and is promoted embedding
The audio industry etc. for entering formula all has important meaning.
Fig. 1 is bluetooth of embodiment of the present invention hearing assistance system composition schematic diagram.As shown in Figure 1, a kind of bluetooth hearing assistance system, packet
Include: main module 1 and from module 2, the main module include first control circuit 11, the first power circuit 12, LCD screen selection display
Circuit 13 and bluetooth sending module circuit 14, the first control circuit 11 respectively with first power circuit 12, the LCD
Screen selection display circuit 13 and the bluetooth sending module circuit 14 connection；It is described from module 2 include second control circuit 21, the
Two power circuits 22, audio-frequency module circuit 23 and bluetooth receiving module circuit 24；The second control circuit 21 respectively with it is described
Second source circuit 22, the audio-frequency module circuit 23 and the bluetooth receiving module circuit 24 connection；
The first control circuit 11 receives external signal, selects the selection of display circuit 13 and display by the LCD screen
The amplification factor of the external signal, the first control circuit 11 detect the control instruction of the amplification factor, pass through institute
It states bluetooth sending module circuit 14 and the bluetooth receiving module circuit 24 and amplification factor instruction is sent to the second control
Circuit 21, the second control circuit 21 amplify processing to the audio-frequency module circuit 23 according to the amplification factor.
The first control circuit 11 and the second control circuit 21 use STM32F103C8T6 microcontroller.
STM32 single-chip microcontroller operating voltage is 2.0~3.6V, usually meets 3.3V and uses for interfaces such as input/output end ports.It is single
Operating voltage needed for piece machine innernal CPU is 1.8V, so CPU institute need to be converted to 3.3V by the voltage regulator built in it
The 1.8V needed.But it is designed according to system, exterior will supply 5V voltage by USB, therefore work normally single-chip microcontroller, just need
Corresponding reduction voltage circuit is designed to convert 5V voltage to single-chip microcontroller normal working voltage 3.3V.First power circuit, 12 He
The second source circuit 22 uses ASM111.7-3.3 voltage stabilizing chip.
The bluetooth sending module circuit 13 and the bluetooth receiving module circuit 24 use BCM417 bluetooth.It uses
BCM417 bluetooth module can be treated simply as a bluetooth serial ports module, only realize the function of data transmission.In systems, just
It is that the receiving and dispatching mechanism of this bluetooth realizes the transmission of audio data gain amplifier parameter, that is, passes through this to BCM417 bluetooth mould
Block setting one main one from mode, amplify the wireless transmission of gain parameter, the data in host STM32F103 passed through
The transmission of BCM417 bluetooth module is sent in the STM32F103 single-chip microcontroller in slave.
The acquisition of voice signal, the coding-decoding operation of audio signal, audio letter are mainly realized by audio-frequency module circuit 23
Number enhanced processing and last audio signal earphone output etc. major functions.Related important chip is that audio compiles solution
Code device VS1053B, the design of entire audio-frequency module will carry out the design of respective peripheral circuit using VS1053B chip as core.Its
Middle pickup, encoding and decoding, earphone output are mainly achieved by the design of hardware circuit, and the amplifying operation of audio signal is logical
It crosses programming Control to be achieved, therefore audio-frequency module hardware circuit will mainly include microphone input signal conditioning circuit, audio volume
Decoding circuit and corresponding audio interface circuit.
The bluetooth hearing assistance system further includes peripheral circuit, the peripheral circuit respectively with the first control circuit and institute
State second control circuit connection.The peripheral circuit includes the first clock circuit, second clock circuit, the first reset circuit and the
Two reset circuits, first clock circuit and first reset circuit are connect with the first control circuit respectively, described
Second clock circuit and second reset circuit are connect with the second control circuit respectively.
For clock frequency angle, and it is divided into high-frequency clock and low-speed clock, high-frequency clock is available to the master of chip
Clock, and low-speed clock only provides real-time clock to chip and independently sees doorway；For chip angle, clock source is divided into again
Internal clock source and external clock reference, internal clocking are that chip interior oscillator generates, and starting of oscillation is than very fast, so clock can be
When chip just powers on, inner high speed clock is used with regard to default, but external clock signal is by external crystal-controlled oscillation again
To input, all there is very big advantages in stability and precision, so can be configured after the power-up by software,
Then just using external clock signal.The control circuit has related generally to two-part clock circuit design, respectively external
Crystal oscillating circuit and real-time clock (RTC) crystal oscillating circuit, their circuit theory and structure is similar, is all mainly by crystal oscillator and starting of oscillation
Capacitor is constituted, and only crystal oscillator is in different size.
STM32F103C8T6 supports three kinds of reset forms, i.e. system reset, power reset and backup area reset.Wherein
System reset is will be except all registers in addition to reseting mark and stand-by register in clock controller CSR reset.According to
It generates reset circuit and system reset is divided into external reset, window sees the reset of doorway dog, independent watchdog reset, software reset
And low-power consumption management resets.Power reset can reset all registers in addition to back-up registers.Backup area reset is exactly will
Backup area reset.
Bluetooth hearing assistance system of the invention can design the relatively easy, audio output quality of operation for hearing-impaired people
Relatively high, relatively low using power consumption, the relatively small and price of radiation is opposite and cheap assisting hearing compensation system.System
Hearing-impaired people can be helped to solve the problems, such as to link up inconvenience with normal person to a certain extent, be most of difficult in its solution life
Topic, convenient for improving their quality of life, the disabled person for restoring hearing dysfunction is to the confidence of life and rebuilds to itself
Approval, promote the construction of its good physiological health and mental health, them helped to better blend into society.
In bluetooth hearing assistance system of the invention, the function of realizing audio amplification is programmed using VS1053B, it is necessary to activate
PCM recording mode.Therefore activate PCM recording mode realize setting gain parameter program circuit be first by after system initialization,
STM32 microcontroller will start timer and transmit data；Then, STM32 will execute instruction the PCM recording mould for entering VS1053B
Formula；Sample rate and input sound channel are then set, and within the system, we use 8KHz sample rate, 16 monophonics
PCM mode and L channel input；Then the most key link for just entering program, is arranged gain parameter, within the system,
Gain parameter is optional in 1,2,4,8；Patch function will also be loaded finally to repair the recording BUG in VS1053B.According to
Above-mentioned thought, design activation PCM recording mode realize that the subprogram of setting gain is as shown in Figure 2.Fig. 2 swashs for the embodiment of the present invention
PCM recorded program flow chart living.
How to judge the program circuit of gain parameter: after system starting timer transmission data, STM32 first determines whether to connect
Whether the data received are effective, that is, judge whether the character denotation position received is 1.Deterministic process is just started later.Judgement
Whether audio gain parameter is 8, if so, executing PCM recorded program；As if it is not, if continue to judge gain parameter whether be
4, if so, executing PCM recorded program, audio volume level amplifies 4 times；Such as if it is not, continuing to judge whether gain parameter is 2, if
It is to execute PCM recorded program, audio volume level amplifies 2 times, otherwise will judge whether gain parameter is 1, and audio volume level will be amplified
1 times.Judge that the program circuit of gain parameter is as shown in Figure 3.Fig. 3 is that the embodiment of the present invention judges gain parameter program flow diagram.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand system and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (7)
1. a kind of bluetooth hearing assistance system characterized by comprising main module and from module, the main module includes the first control
Circuit, the first power circuit, LCD screen selection display circuit and bluetooth sending module circuit, the first control circuit respectively with
First power circuit, LCD screen selection display circuit and the bluetooth sending module circuit connection；It is described from module packet
Include second control circuit, second source circuit, audio-frequency module circuit and bluetooth receiving module circuit；The second control circuit point
Not with the second source circuit, the audio-frequency module circuit and the bluetooth receiving module circuit connection；
The first control circuit receives external signal, selects display circuit selection by the LCD screen and shows the outside
The amplification factor of signal, the first control circuit detect the control instruction of the amplification factor, are sent by the bluetooth
Modular circuit and the bluetooth receiving module, which instruct the amplification factor, is sent to second control circuit, the second control electricity
Road amplifies processing to the audio-frequency module circuit according to the amplification factor.
2. bluetooth hearing assistance system according to claim 1, which is characterized in that the first control circuit and second control
Circuit processed uses STM32F103C8T6 microcontroller.
3. bluetooth hearing assistance system according to claim 1, which is characterized in that first power circuit and second electricity
Source circuit uses ASM111.7-3.3 voltage stabilizing chip.
4. bluetooth hearing assistance system according to claim 1, which is characterized in that the bluetooth sending module circuit and the indigo plant
Tooth receiving module circuit uses BCM417 bluetooth.
5. bluetooth hearing assistance system according to claim 1, which is characterized in that the audio-frequency module circuit compiles solution using audio
Code device VS1053B.
6. bluetooth hearing assistance system according to claim 1, which is characterized in that the bluetooth hearing assistance system further includes peripheral electricity
Road, the peripheral circuit are connect with the first control circuit and the second control circuit respectively.
7. bluetooth hearing assistance system according to claim 6, which is characterized in that the peripheral circuit includes the first clock electricity
Road, second clock circuit, the first reset circuit and the second reset circuit, first clock circuit and first reset circuit
It is connect respectively with the first control circuit, the second clock circuit and second reset circuit are controlled with described second respectively
Circuit connection processed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040025.7A CN109511072A (en) | 2019-01-16 | 2019-01-16 | A kind of bluetooth hearing assistance system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910040025.7A CN109511072A (en) | 2019-01-16 | 2019-01-16 | A kind of bluetooth hearing assistance system |
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| CN108880628A (en) * | 2018-06-22 | 2018-11-23 | 华北理工大学 | A kind of electronic communication device |
| CN109218951A (en) * | 2018-09-25 | 2019-01-15 | 深圳市博音科技有限公司 | A kind of hearing-aid method and system with autonomous inspection correcting function |
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2019
- 2019-01-16 CN CN201910040025.7A patent/CN109511072A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1998265A (en) * | 2003-12-23 | 2007-07-11 | 奥迪吉康姆有限责任公司 | Digital cell phone with hearing aid functionality |
| CN102118482A (en) * | 2009-12-30 | 2011-07-06 | 希姆通信息技术（上海）有限公司 | Wireless terminal hearing aid device |
| CN202721821U (en) * | 2012-03-15 | 2013-02-06 | 方志民 | Hearing aid |
| CN202997210U (en) * | 2012-11-29 | 2013-06-12 | 宁波桔槐电子科技有限公司 | A device capable of being used in an intelligent electricity-saving system |
| CN105159180A (en) * | 2014-06-06 | 2015-12-16 | 上海航空电器有限公司 | Remote control system suitable for test equipment |
| CN107693937A (en) * | 2017-01-18 | 2018-02-16 | 浙江诺尔康神经电子科技股份有限公司 | A kind of wearable artificial cochlea system |
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