CN202210860U - Portable multimedia small sound box possessing hearing-aid function - Google Patents
Portable multimedia small sound box possessing hearing-aid function Download PDFInfo
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- CN202210860U CN202210860U CN2011203538802U CN201120353880U CN202210860U CN 202210860 U CN202210860 U CN 202210860U CN 2011203538802 U CN2011203538802 U CN 2011203538802U CN 201120353880 U CN201120353880 U CN 201120353880U CN 202210860 U CN202210860 U CN 202210860U
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Abstract
The utility model relates to the multimedia audio play field, and especially relates to a portable multimedia small sound box possessing the hearing-aid function. The multimedia small sound box includes a multifunctional audio frequency decoding chip, a sound source module, a button module, a power amplifier chip, and an LCD display screen. The multimedia small sound box also includes an electret microphone which is connected with the multifunctional audio frequency decoding chip and is used to convert an input sound signal into an electrical signal. The multifunctional audio frequency decoding chip processes the electrical signal, and then converts the processed electrical signal into an output sound signal. The button module is used to provide a use with the control of the input sound signal hearing-aid function. The small sound box greatly facilitates the person which has the hearing loss, and realizes the electronic hearing-aid function.
Description
Technical field
The utility model relates to multimedia audio player field, relates in particular to a kind of little audio amplifier of portable multimedia with hearing-aid function.
Background technology
The mainstream configuration that has the portable little audio amplifier of outer playing function in the market all is with frivolous, small and exquisite, fashion and has much ornamental to be main, to combine characteristics such as big capacity, the broadcast of ultra-long time plug-in card, functional diversities simultaneously.Following a period of time multimedia loudspeaker box also will be towards the external form that has more the fashion element and more frivolous, small and exquisite volume, longer environmental protection lithium battery power supply of employing life-span, controls intelligentized direction and develops.
Yet how the portable multimedia audio amplifier does not technologically improve, and how powerful function is; All should consider different terminals user's segmentation demand; Present little audio amplifier market homogeneity phenomenon is more general, though the basic function of audio amplifier is complete, appearance design is novel; But the professional little audio amplifier that the little audio amplifier under the specific environment for use and the middle particular group that segments market are used does not also have; Like the audio amplifier that the elderly uses, the little audio amplifier that the young man who often travels outdoors, sports enthusiast etc. use, its function of paying close attention to separately is different.So from the angle of different user's different needs, design a basic function audio amplifier complete, that have a personal needs again and have much market.Can support plug-in card to play like the basic function of little audio amplifier; FM receiver; Sound is put outward and function such as built-in lithium battery power supply; A certain single segmentation function can be given prominence to, strengthened to little audio amplifier on this basis again simultaneously, so this little audio amplifier that satisfies the middle particular customer crowd demand that segments market will have more market growth potential.
In the actual life; Often some special population is because of certain particular job post, or some congenital reason, unexpected sexual trauma, age etc. cause hearing to descend or hearing loss, need wear hearing-aid device and recover or promote hearing level; But be not the corresponding hearing-aid function of this type people group configuration in the existing speaker products; Make this part little audio amplifier user should carry little audio amplifier when going out, wear hearing aids again, at music appreciating; Or when talking, need constantly in audio amplifier earphone and hearing aids, switch with the people.
The utility model content
The utility model technical problem to be solved is, solving does not have the little audio amplifier of a multimedia not only to have good music playback, but also had the problem of hearing hearing-aid function in the prior art.
For solving the problems of the technologies described above; The utility model provides a kind of little audio amplifier of portable multimedia with hearing-aid function; Comprise multi-functional audio decoder chip, source of sound module, key-press module, power amplifier chip and LCD display; The little audio amplifier of said multimedia also comprises: the electret microphone with said multi-functional audio decoder chip is connected is used for converting the input acoustical signal into the signal of telecommunication; Said multi-functional audio decoder chip is used for the said signal of telecommunication is handled, and the electrical signal conversion after will handling then is the output acoustical signal; Said key-press module is used to offer the control of user to input acoustical signal hearing-aid function.
The little audio amplifier of multimedia that the utility model proposes has following advantage:
1, has hearing-aid function;
Satisfy that hearing descends or the lossy special population of hearing to need not to wear professional hearing-aid device be that the said little audio amplifier of the utility model capable of using is realized hearing-aid function, but also listoning music and broadcast listening simultaneously;
2, has the function that receives the FM FM signal;
3, can play the MP3 in SD card and the USB device, the music file of WMA form;
4, can play through the music file in the equipment of LINE IN interface connection, through the external notebook computer of Line In interface, mp3 player, mp4 player, Iphone mobile phone;
5, built-in 1000MAH high power capacity rechargeable battery can support music file to play for a long time, can charge through USB interface or MINI USB interface;
6, adopt the class D digital power amplifier chip of state-of-the-art technology, the non-same common music of tonequality, and energy saving.
The little audio amplifier that the utility model proposes; Convert voice signal into the signal of telecommunication through high sensitivity, omni-directional electret microphone, after sending into ASIC AX2210 and carrying out processing able to programme, receive sound through earphone again; Be very easy to the crowd of part hearing difference, realized the electronics hearing-aid function.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the concrete structure block diagram of the utility model embodiment one;
Fig. 3 is the concrete structure block diagram of the utility model acoustic processing module;
Fig. 4 is the concrete structure block diagram of the utility model embodiment two.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Be described in detail below in conjunction with the realization of specific embodiment the utility model:
Embodiment one
The utility model provides a kind of little audio amplifier of portable multimedia with hearing-aid function; As shown in Figure 1; Comprise multi-functional audio decoder chip, source of sound module, key-press module, power amplifier chip and LCD display; The little audio amplifier of said multimedia also comprises: the electret microphone with said multi-functional audio decoder chip is connected is used for converting the input acoustical signal into the signal of telecommunication; Said multi-functional audio decoder chip is used for the said signal of telecommunication is handled, and the electrical signal conversion after will handling then is the output acoustical signal; Said key-press module is used to offer the control of user to input acoustical signal hearing-aid function.
Preferably, said multi-functional audio decoder chip model is AX2210; Said electret microphone is omni-directional, highly sensitive electret microphone; The model of electret microphone is HL-9745P.
Need to prove that the physical relationship that said multi-functional audio decoder chip is connected with said electret microphone is: the microphone interface of AX2210 (MIC-IN) is connected with the end of HL-9745P, and is as shown in Figure 4.
Need to prove that said key-press module comprises: broadcast/time-out composite-functional key-press, a last song/composite-functional key-press that gives great volume, the little composite-functional key-press of next song/volume, model selection composite-functional key-press and hearing aid button; Said multi-functional audio decoder chip with the physical relationship that said hearing aid button is connected is: the input pin able to programme (REM_COM) of AX2210 is connected with hearing aid button (HOLP), and is as shown in Figure 4.
Need to prove that said multi-functional audio decoder chip comprises: audio decoder module, button control signal processing module, LCD driver module, voice data output module and acoustic processing module, as shown in Figure 2.
Preferably, said acoustic processing module is as shown in Figure 3, comprising: the sound adjustment module is used for the said signal of telecommunication is carried out tone regulation and control, automatic gain compression regulation and control and voice gain regulation and control; The sound amplification module is used for the signal after handling through said sound adjustment module is carried out power amplification.
Need to prove that said source of sound module is: SD card, USB device, FM receiving chip or the equipment that connects through LINE IN interface.
Said FM receiving chip is used for receiving the FM FM signal through built-in aerial, and after said multi-functional audio decoder chip is handled, plays out sound through built-in loudspeaker, realizes radio function.
Preferably, said FM receiving chip model is KT0830EG.
Preferably, said power amplifier chip model is NS8002.
Preferably, said LCD display model is LCD05310.
Need to prove that the little audio amplifier of said multimedia also comprises: the high power capacity rechargeable battery that is connected with said multi-functional audio decoder chip.Preferably, said rechargeable battery can charge through said USB interface or MINI USB interface.Said rechargeable battery is the Li battery.The little built in sound box 1000MAH high power capacity of this multimedia rechargeable battery can support music file to play for a long time.
The technical scheme of embodiment one makes the little audio amplifier of multimedia possess hearing-aid function, and receives the FM FM signal, realizes radio function; Can play the MP3 in SD card and the USB device, the music file of WMA form; Has the function that receives the FM FM signal; Can play the music file in the equipment that connects through LINE IN interface, through the external notebook computer of Line In interface, mp3 player, mp4 player, Iphone mobile phone; Adopt the class D digital power amplifier chip of state-of-the-art technology, the non-same common music of tonequality, and energy saving.
Embodiment two
As shown in Figure 4, the operation principle and the execution mode of the little audio amplifier of said multimedia are following:
The little audio amplifier of this multimedia is mainly realized all functions through a programmable multi-functional audio decoder chip of AX2210OTP, opens when mains switch, and built-in lithium battery is supplied power to AX2210, and AX2210 starts working.
1, when selecting to carry out hearing aid, the programmable REM_COM pin of AX2210 is connected with the hearing aid button [HOLP] of key-press module.
It is following to press key definition:
[HOLP] button: click, can the opening voice hearing-aid function.
[MODE] button: can carry out mode switch: can carry out mode switch: play the conversion that these 4 kinds of patterns of source of sound that the source of sound/broadcast of the music/broadcast SD card of FM reception is connected with USB are passed through in the source of sound/broadcast is connected with LINE IN.
[PLAY/PAUSE] button: broadcast, pause function switch.
[NEXT/V+] button: add in the adjusting, long by fast accent.
[PREV/V-] button: subtract under regulating, long by fast accent.
When carrying out the voice hearing-aid function, the MIC-IN interface of AX2210 connects an omni-directional, highly sensitive electret microphone HL-9745P, and receivable intensity of sound scope is-20DB～60DB.
The operation principle of accomplishing hearing-aid function is: HL-9745P is converted into the signal of telecommunication with acoustical signal earlier, and AX2210 finely tunes the said signal of telecommunication through programming then, and it is meticulousr, accurate that said fine setting can make sound regulate ground, compensation hearing loss that can be meticulousr.Said fine setting comprises: the tone regulation and control, in order to change frequency response; Peak clipping is in order to control the amplitude of maximum output; Automatic gain compression regulation and control are in order to be controlled at sound within the range of comfortable loudness; The gain regulation and control are in order to regulate the voice gain.At last, AX2210 converts acoustical signal into after the signal of telecommunication is amplified, and is delivered in the duct through earphone, thereby sound is amplified the function that reaches hearing aid.
2, when the voice data in the broadcast SD card; CLK, DATO, CMD, the DET pin of SD card are connected with SD_CLK, SD_DO, SD_CMD, the SD_DET pin of decoding chip AX2210; The MP3 that the SD card is stored, the file of WMA form are input to and decode in the AX2210; And decoded voice data delivered to INL, INR, the SHUTDOWN pin of digital power amplifier chip through DACL, DACR, the HP_CTR pin of AX2210; After the digital power amplifier chip carries out processing and amplifying, play out music through loudspeaker again; Simultaneously, the COM1-COM5 pin of AX2210 is connected with COM, the SEG port of LCD display with the SEG1-SEG7 pin, demonstrates the various operating states of broadcast through LCD display; The programmable REM_COM pin of AX2210 is connected with operation push-button; The user through button play/suspend, the size control of last one bent or next bent selection, volume etc.; As playing/suspend by [PLAY/PAUSE]; By [NEXT/V+] last song/control that gives great volume, carry out the little control of next song/volume by [PREV/V-].
3, when the voice data in the broadcast USB device; USBDP in the USB device, USDMP are connected with USBDP, the USBDM pin of decoding chip AX2210; The file of MP3 that USB stored, WMA form is input to decodes in the AX2210; AX2210 handles decoded voice data through the digital power amplifier chip afterwards, and demonstrates the various operating states of broadcast through LCD display; The user can play through button/suspend, the size control of last one bent or next bent selection, volume etc., and operation is identical with voice data in the broadcast SD card, no longer endures and states.
4, when playing the voice data that the FM receiver module receives; OSCO, FM_L, FM_R with XALP, LOUT, ROUT, SCK, SDIO pin and the decoding chip AX2210 of FM receiver module KT0830EG;, I2C_SCK, I2C_SDA pin be connected, the received signal of FM receiver module KT0830EG is delivered to is carried out control and treatment in the AX2210; And the voice data after this is handled also can play back through loudspeaker after the digital power amplifier chip amplifies, and operation is identical with voice data in the broadcast SD card, no longer endures and states.Different is 1) LCD display can be used for showing frequency range, the volume of radio reception; 2) the programmable REM_COM pin of decoding chip AX2210 is connected with operation push-button; The user searches size control of platform/deposit platform, last one or next selection, volume etc. through button; As search platform/deposit platform by [PLAY/PAUSE]; Carry out the Shang Yitai/control that gives great volume by [NEXT/V+], press [PREV/V-] carry out next/the little control of volume.
5, when playing the voice data of the device storage that connects through LINE IN interface; With the external 3.5MM LINE IN interface of decoding chip AX2210; This interface connects notebook computer, mp3 player, mp4 player, Iphone mobile phone, the music signal in the little audio amplifier of external multimedia is delivered in the corresponding interface LINEINL, LINEINR of AX2210 and is handled; And the voice data after this is handled also can play back through loudspeaker after the digital power amplifier chip amplifies, and operation is identical with voice data in the broadcast SD card, no longer endures and states.Different is 1) LCD display only demonstrates the volume of music size of broadcast; 2) the programmable REM_COM pin of AX2210 is connected with operation push-button, the user carries out the size control of volume through button, like the control that gives great volume by [NEXT/V+], carries out the little control of volume by [PREV/V-].
The utility model integrates music, two kinds of functions of hearing aid.In the actual life, often some people is because of certain particular job, or some reason causes hearing to descend, or hearing loss, but scarcely can be the corresponding hearing-aid function of this type people group configuration in the existing playback equipment.The little audio amplifier that the utility model proposes; Convert voice signal into the signal of telecommunication through high sensitivity, omni-directional electret microphone, after sending into ASICAX2210 and carrying out processing able to programme, receive sound through earphone again; Be very easy to the crowd of part hearing difference, realized the hearing hearing-aid function.
The little audio amplifier of the described portable multimedia of the utility model; Also can be described as " the little sound equipment of portable multimedia "; Contained common in the market, and on the various media, magazine propagate and various digital audio amplifiers on sale, portable sound box, mini audio amplifier, plug-in card audio amplifier, multifunctional sound box etc.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (9)
1. little audio amplifier of portable multimedia with hearing-aid function; Comprise multi-functional audio decoder chip, source of sound module, key-press module, power amplifier chip and LCD display; It is characterized in that; The little audio amplifier of said multimedia also comprises: the electret microphone with said multi-functional audio decoder chip is connected is used for converting the input acoustical signal into the signal of telecommunication;
Said multi-functional audio decoder chip is used for the said signal of telecommunication is handled, and the electrical signal conversion after will handling then is the output acoustical signal;
Said key-press module is used to offer the control of user to input acoustical signal hearing-aid function.
2. have the little audio amplifier of portable multimedia of hearing-aid function according to claim 1, it is characterized in that, said multi-functional audio decoder chip model is AX2210; Said electret microphone is omni-directional, highly sensitive electret microphone; The model of electret microphone is HL-9745P.
3. like the said little audio amplifier of portable multimedia of claim 2 with hearing-aid function; It is characterized in that the physical relationship that said multi-functional audio decoder chip is connected with said electret microphone is: the microphone interface of AX2210 (MIC-IN) is connected with the end of HL-9745P.
4. like the said little audio amplifier of portable multimedia of claim 2 with hearing-aid function; It is characterized in that said key-press module comprises: broadcast/time-out composite-functional key-press, a last song/composite-functional key-press that gives great volume, the little composite-functional key-press of next song/volume, model selection composite-functional key-press and hearing aid button;
Said multi-functional audio decoder chip with the physical relationship that said hearing aid button is connected is:
The input pin able to programme (REM_COM) of AX2210 is connected with hearing aid button (HOLP).
5. the little audio amplifier of portable multimedia that has hearing-aid function according to claim 1; It is characterized in that said multi-functional audio decoder chip comprises: audio decoder module, button control signal processing module, LCD driver module, voice data output module and acoustic processing module.
6. like the said little audio amplifier of portable multimedia of claim 5, it is characterized in that said acoustic processing module comprises with hearing-aid function:
The sound adjustment module is used for the said signal of telecommunication is carried out tone regulation and control, automatic gain compression regulation and control and voice gain regulation and control;
The sound amplification module is used for the signal after handling through said sound adjustment module is carried out power amplification.
7. have the little audio amplifier of portable multimedia of hearing-aid function according to claim 1, it is characterized in that, said source of sound module is: SD card, USB device, FM receiving chip or the equipment that connects through LINE IN interface.
8. like the said little audio amplifier of portable multimedia of claim 7, it is characterized in that said FM receiving chip with hearing-aid function; Be used for receiving the FM FM signal through built-in aerial; And after said multi-functional audio decoder chip is handled, play out sound through built-in loudspeaker, realize radio function.
9. like the said little audio amplifier of portable multimedia of claim 7, it is characterized in that the little audio amplifier of said multimedia also comprises: the high power capacity rechargeable battery that is connected with said multi-functional audio decoder chip with hearing-aid function; Said rechargeable battery can charge through said USB interface or MINI USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203538802U CN202210860U (en) | 2011-09-20 | 2011-09-20 | Portable multimedia small sound box possessing hearing-aid function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203538802U CN202210860U (en) | 2011-09-20 | 2011-09-20 | Portable multimedia small sound box possessing hearing-aid function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202210860U true CN202210860U (en) | 2012-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203538802U Expired - Fee Related CN202210860U (en) | 2011-09-20 | 2011-09-20 | Portable multimedia small sound box possessing hearing-aid function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202210860U (en) |
-
2011
- 2011-09-20 CN CN2011203538802U patent/CN202210860U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20140920 |
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| EXPY | Termination of patent right or utility model |