CN201585127U - Wireless terminal hearing aid device - Google Patents
Wireless terminal hearing aid device Download PDFInfo
- Publication number
- CN201585127U CN201585127U CN2009202150239U CN200920215023U CN201585127U CN 201585127 U CN201585127 U CN 201585127U CN 2009202150239 U CN2009202150239 U CN 2009202150239U CN 200920215023 U CN200920215023 U CN 200920215023U CN 201585127 U CN201585127 U CN 201585127U
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Abstract
The utility model discloses a wireless terminal hearing aid device, which comprises a movement main board of a wireless terminal and a central processing unit. The central processing unit is electrically connected with the movement main board of the wireless terminal and is used for receiving original sound signals which are output after being amplified. The central processing unit comprises a sound receiving unit, a signal conversion unit, a data processing unit and a sound play unit, wherein the sound receiving unit, the signal conversion unit, the data processing unit and the sound play unit are sequentially and electrically connected, the signal conversion unit is used for conversion between analog signals and digital signals, and the data processing unit is used for amplifying the digital signals. The utility model has the advantages that the manufacturing is simple, the use is convenient, the cost is low and the functions of a mobile phone and a hearing aid are integrated into one machine.
Description
Technical field
The utility model relates to mobile communication voice conversation field, and particularly a kind of wireless terminal auditory prosthesis by amplifying the receiving terminal volume, makes person hard of hearing not need additionally to wear hearing aids, can not hear conversation.
Background technology
The purposes of wireless terminal maximum is to carry out voice calling service, but the elderly and person hard of hearing do not cause very big puzzlement because hear sound.Call back if wear common hearing aids, wireless terminal can cause interference to hearing aids, and the sound that the hearer is received contains the noise that disturbs.
The utility model content
Technical problem to be solved in the utility model is to exist when person hard of hearing uses and do not hear incoming call in order to overcome existing wireless terminal, the defective that exists noise to disturb in the time of perhaps need additionally wearing hearing aids again, providing a kind of can not need additionally to wear hearing aids, even person hard of hearing is not heard the wireless terminal auditory prosthesis of conversation.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of wireless terminal auditory prosthesis, it is characterized in that, it comprises the movement mainboard and a CPU of a wireless terminal, this CPU is electrically connected with the movement mainboard of this wireless terminal, be used for the original sound signal that will receive, back output is amplified in conversion, this CPU comprises: a sound receiving element of Dian Lianjieing successively, one signal conversion unit, one data processing unit, an and sound playing unit, wherein, this signal conversion unit is used to carry out the conversion between analog and digital signal, and this data processing unit is used for digital signal is amplified.
Wherein, this signal conversion unit is an analog/digital conversion unit.
Wherein, this sound playing unit is an Audio Players of this wireless terminal.
Wherein, this Audio Players is a Worn type earphone in, or monaural formula earphone, headphone, and mono headset, stereophone in any one or wantonly two kinds combination.
Positive progressive effect of the present utility model is: the utility model device is made simple, and is easy to operate, both can help person hard of hearing not hear incoming call, need not buy hearing aids in addition again, save unnecessary expense, and used comfortablely, be fit to very much old man and person hard of hearing.The utility model is electrically connected auditory prosthesis with the movement mainboard of wireless terminal, with placing hand set machine shell, the shared earphone of hearing aids and wireless terminal, and with low cost can be realized carrying a machine and has the function that is equipped with mobile phone and hearing aids concurrently.
Description of drawings
Fig. 1 is the principle of device block diagram of the utility model one preferred embodiment.
Fig. 2 is the operational flowchart of the utility model one preferred embodiment.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
As depicted in figs. 1 and 2, the utility model discloses a kind of hearing aid device that is used for wireless terminal, it comprises: the movement mainboard of a wireless terminal and a CPU 5, this CPU 5 is electrically connected with the movement mainboard of this wireless terminal, be used for the original sound signal that will receive, back output is amplified in conversion.This CPU 5 comprises a sound receiving element 1, a signal conversion unit 2, a data processing unit 3 and a sound playing unit 4 that is electrically connected successively.This signal conversion unit 2 is an analog/digital conversion unit, is used to carry out the conversion between analog and digital signal, and this data processing unit 3 is used for digital signal is amplified.This sound receiving element 1 is used to receive voice signal, and this voice signal is converted into analog signal.The analog signal that this sound playing unit 4 is used for amplifying is exported.The wireless terminal of present embodiment can be a mobile phone.
The conversion of signals of CPU 5 specifically comprises with the amplification output procedure: wireless terminal at first is converted into analog electrical signal by phonetic entry part collected sound signal and with the voice signal that collects; By A/D (analog/digital) conversion portion this analog electrical signal is converted to digital signal then; Then this digital signal is sent into data processing unit 3 and carried out the signal amplification; Digital signal after will amplifying again is converted into analog electrical signal by D/A (digital-to-analog) conversion portion; Analog electrical signal after will being amplified by Audio Players at last is converted to voice signal.The movement main board of wireless terminal reaches movement mainboard and CPU electrical connection section and is divided into prior art, does not give unnecessary details at this.
Before carrying out sound signal collecting, can also preset an audio frequency enlargement ratio in advance.Preset the audio frequency enlargement ratio and can be divided into first enlargement ratio, second enlargement ratio ..., and first enlargement ratio is greater than second enlargement ratio, such as being made as an amplification stage by every amplification 4dB.The audio frequency enlargement ratio can be one or more groups digital gain value of magnification that acquiescence is deposited, and also can be provided with in engineering mode or man-machine interface the user voluntarily.Can behind wireless terminal starting, just be written into this enlargement ratio, also can be by user's real-time regulated after conversation is set up.Raw digital signal after mould/number conversion is the PCM data.PCM (pulse code modulation, pulse code modulation) is a kind of coded system that analog signal conversion becomes digital signal, is digital signal through the signal behind the pcm encoder.Data multiplication factor when it is carried out data processing is generally DL_digi_gain/4096, such as, 4096 expression gains are 1.0 times, promptly do not need to do numeral and amplify;-2048 expressions decay to original 0.5 times, paraphase simultaneously.Negative gain expression is carried out paraphase to data.After the user chooses the digital gain enlargement ratio, system will obtain a class value of selected amplification coefficient correspondence, for follow-up execution data processing action is got ready.Enlargement ratio sets in advance in the register code table, can be self-defined according to different demands during use.Certainly,, also can select not enable this function, so just can return to common non-hearing aid pattern if the user does not want to use hearing-aid function.
Be illustrated in figure 2 as the operational flowchart of the utility model device, its operating procedure is specific as follows:
Need to prove that data processing unit 3 must just can carry out processing and amplifying after the A/D conversion, can not directly directly amplify the original analog that receives.Very easily introduce noise because simulation is amplified, it not only amplifies useful signal, has also amplified the end simultaneously and has made an uproar.So amplify after need doing the A/D conversion earlier, numeral is amplified and only amplified useful signal, and noise is had the good restraining effect again, the sound that the user is heard is cleaner.
The utility model embodiment is being provided with enlargement ratio once starting shooting, can certainly be in communication process the manual adjustments enlargement ratio.As long as the sound receiving element is done appropriate reconstruction, just can realize being not limited only to conversation in addition, also comprise the hearing aids effect of incoming ring tone, MP3, MP4.Audio Players of the present utility model is a Worn type earphone in, or monaural formula earphone, headphone, and mono headset, stereophone in any one or wantonly two kinds combination.
The utility model both can make person hard of hearing not hear sound by additional hearing-aid function on common wireless terminal, can reduce the expense of buying hearing aids and the signal interference that produces with mobile phone again.In addition, the utility model is made simple, and easy to operate, the sound comfort is strong, is fit to very much old man and hearing and uses than weak person.
Though more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these execution modes.Therefore, protection range of the present utility model is limited by appended claims.
Claims (4)
1. wireless terminal auditory prosthesis, it is characterized in that, it comprises the movement mainboard and a CPU of a wireless terminal, this CPU is electrically connected with the movement mainboard of this wireless terminal, be used for the original sound signal that will receive, back output is amplified in conversion, and this CPU comprises: a sound receiving element, a signal conversion unit, a data processing unit of Dian Lianjieing, an and sound playing unit successively.
2. wireless terminal auditory prosthesis as claimed in claim 1 is characterized in that, this signal conversion unit is an analog/digital conversion unit.
3. wireless terminal auditory prosthesis as claimed in claim 2 is characterized in that, this sound playing unit is the Audio Players of this wireless terminal.
4. wireless terminal auditory prosthesis as claimed in claim 3 is characterized in that, this Audio Players is a Worn type earphone in, or any one or wantonly two kinds combination in the single head-receiver, bi-telephone, mono headset, stereophone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202150239U CN201585127U (en) | 2009-12-30 | 2009-12-30 | Wireless terminal hearing aid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202150239U CN201585127U (en) | 2009-12-30 | 2009-12-30 | Wireless terminal hearing aid device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201585127U true CN201585127U (en) | 2010-09-15 |
Family
ID=42727145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202150239U Expired - Fee Related CN201585127U (en) | 2009-12-30 | 2009-12-30 | Wireless terminal hearing aid device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201585127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300002A (en) * | 2011-09-19 | 2011-12-28 | 北京百纳威尔科技有限公司 | Mobile terminal and hearing aiding processing method thereof |
-
2009
- 2009-12-30 CN CN2009202150239U patent/CN201585127U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300002A (en) * | 2011-09-19 | 2011-12-28 | 北京百纳威尔科技有限公司 | Mobile terminal and hearing aiding processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20121230 |