CN204810548U - Novel multi -functional audio frequency module of bluetooth - Google Patents
Novel multi -functional audio frequency module of bluetooth Download PDFInfo
- Publication number
- CN204810548U CN204810548U CN201520169860.8U CN201520169860U CN204810548U CN 204810548 U CN204810548 U CN 204810548U CN 201520169860 U CN201520169860 U CN 201520169860U CN 204810548 U CN204810548 U CN 204810548U
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- interface
- bluetooth
- microphone
- audio
- transcoding
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- 238000004891 communication Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000005236 sound signal Effects 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Abstract
The utility model relates to a bluetooth communications facilities field, concretely relates to a to novel multi -functional audio frequency module of bluetooth, communication and transcoding part, audio output interface, power source, pilot lamp interface, button interface, microphone interface, line input and detection interface and silence key joint mouth. Communication and transcoding part include main control chip and bluetooth antenna, it is audio signal with bluetooth antenna received signal transcoding to through the audio output interface to power amplifier public address equipment transfer, it is through the microphone interface connected and line input and detect the interface and receive the sound signal of telecommunication of collecting from microphone or line input equipment, receives the back code and passes through bluetooth antenna for the bluetooth packet and transmit to the intelligent Mobile Terminal who establishs the bluetooth connection. Beneficial effect: for external 1 the multi -functional audio frequency device of intelligent Mobile Terminal, concrete function includes audio transmission, and originating node is hands -free etc..
Description
Technical field
The utility model relates to bluetooth communication apparatus field, is specifically related to a kind of novel Bluetooth multifunctional audio-frequency module.
Background technology
Along with the arrival in mobile communication epoch, blue-tooth technology is at equipment connection, the fields such as data transmission and Internet of Things construction obtain and use widely, as bluetooth conversation device, Bluetooth music player etc., but at present on the market still for finding that there is, the Bluetooth multifunctional external equipment that above-mentioned functions can be rolled into one.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of novel Bluetooth multifunctional audio-frequency module, and be external 1 the novel Bluetooth multifunctional audio devices of the intelligent mobile terminals such as smart mobile phone, concrete function comprises audio transmission, and voice call is hands-free.
For solving the problems of the technologies described above, the utility model specifically provides a kind of technical scheme: a kind of novel Bluetooth multifunctional audio-frequency module, comprises communication and transcoding parts, audio output interface, power interface, indicator light interface, keystroke interface, microphone interface, circuit input and detects interface and quiet keyed jointing mouth.Communication and transcoding parts input and detect interface with audio output interface, power interface, indicator light interface, keystroke interface, microphone interface, circuit respectively and quiet keyed jointing mouth is connected.
Communication and transcoding parts comprise main control chip and Bluetooth antenna; The signal transcoding that Bluetooth antenna receives by it is audio signal, and is transmitted to power amplifier public address equipment by audio output interface; Its microphone interface by connection and circuit input and detect the sound signal of telecommunication that interface is collected from microphone or circuit input equipment, are encoded to bluetooth data packets by Bluetooth antenna to the intelligent mobile terminal transmission of setting up bluetooth connection after reception.
Audio output interface connects power amplifier public address equipment.
Power interface connects power supply unit.
Indicator light interface connection status indicator light.
Keystroke interface attended operation button.
Microphone interface connects microphone.
Circuit input and detection interface connection line input equipment.
Quiet keyed jointing mouth connects the MUTE pin of power amplifier public address equipment.
The technical scheme of further optimization, intelligent mobile terminal is the smart mobile phone with blue tooth communication function, panel computer, notebook computer.
After have employed technique scheme, the beneficial effects of the utility model are:
Relative to existing technical scheme, this novel Bluetooth multifunctional audio-frequency module is external 1 the multi-functional audio devices of the intelligent mobile terminals such as smart mobile phone, and concrete function comprises audio transmission, and voice call is hands-free.
Accompanying drawing explanation
A kind of novel Bluetooth multifunctional audio-frequency module of Fig. 1
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
As shown in Figure 1, a kind of novel Bluetooth multifunctional audio-frequency module, comprise communication and transcoding parts 1, audio output interface 2, power interface 3, indicator light interface 4, keystroke interface 5, microphone interface 6, circuit input and detect interface 7 and quiet keyed jointing mouth 8, communication and transcoding parts 1 input and detect interface 7 with audio output interface 2, power interface 3, indicator light interface 4, keystroke interface 5, microphone interface 6, circuit respectively and quiet keyed jointing mouth 8 is connected.
Communication and transcoding parts 1 comprise main control chip and Bluetooth antenna; The signal transcoding that Bluetooth antenna receives by it is audio signal, and is transmitted to power amplifier public address equipment by audio output interface 2; Its microphone interface 6 by connection and circuit input and detect interface 7 and receive the sound signal of telecommunication collected from microphone or circuit input equipment, be encoded to bluetooth data packets and transmitted to the intelligent mobile terminal 9 setting up bluetooth connection by Bluetooth antenna after reception.
Audio output interface 2 connects power amplifier public address equipment; Power interface 3 connects power supply unit.Indicator light interface 4 connection status indicator light; Keystroke interface 5 attended operation button; Microphone interface 6 connects microphone; Circuit input and detection interface 7 connection line input equipment; Quiet keyed jointing mouth 8 connects the MUTE pin of power amplifier public address equipment.
On the basis of above-mentioned execution mode, intelligent mobile terminal 9 is for having the smart mobile phone of blue tooth communication function, panel computer, notebook computer.
On the basis of above-mentioned execution mode, this novel Bluetooth multifunctional audio-frequency module is after the external hardwares such as connection above-mentioned power amplifier public address equipment, power supply unit, by main control chip software section based on bluetooth 2.1 protocol stack, utilize the agreements such as HFP, A2DP to realize telephone handsfree and music wireless playing function.Specifically comprise: software is by the effect of bluetooth A2DP protocol transmission audio frequency; Software is by HSP, HFP protocol transmission telephone handsfree effect of bluetooth; The AVRCR protocol transmission control command that software passes through bluetooth realizes playing time-out, volume plus-minus, up and down song.
As known by the technical knowledge, the technical program can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.
Claims (2)
1. a novel Bluetooth multifunctional audio-frequency module, it is characterized in that: comprise communication and transcoding parts (1), audio output interface (2), power interface (3), indicator light interface (4), keystroke interface (5), microphone interface (6), circuit inputs and detects interface (7) and quiet keyed jointing mouth (8), described communication and transcoding parts (1) respectively with audio output interface (2), power interface (3), indicator light interface (4), keystroke interface (5), microphone interface (6), circuit input and detection interface (7) are connected with quiet keyed jointing mouth (8),
Described communication and transcoding parts (1) comprise main control chip and Bluetooth antenna; The signal transcoding that Bluetooth antenna receives by it is audio signal, and is transmitted to power amplifier public address equipment by audio output interface (2); Its microphone interface (6) by connection and circuit input and detect interface (7) and receive the sound signal of telecommunication collected from microphone or circuit input equipment, are encoded to bluetooth data packets by Bluetooth antenna to intelligent mobile terminal (9) transmission of setting up bluetooth connection after reception;
Described audio output interface (2) connects power amplifier public address equipment;
Described power interface (3) connects power supply unit;
Described indicator light interface (4) connection status indicator light;
Described keystroke interface (5) attended operation button;
Described microphone interface (6) connects microphone;
Described circuit input and detection interface (7) connection line input equipment;
Described quiet keyed jointing mouth (8) connects the MUTE pin of power amplifier public address equipment.
2. novel Bluetooth multifunctional audio-frequency module according to claim 1, is characterized in that: described intelligent mobile terminal (9) for having the smart mobile phone of blue tooth communication function, panel computer or notebook computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520169860.8U CN204810548U (en) | 2015-03-17 | 2015-03-17 | Novel multi -functional audio frequency module of bluetooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520169860.8U CN204810548U (en) | 2015-03-17 | 2015-03-17 | Novel multi -functional audio frequency module of bluetooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204810548U true CN204810548U (en) | 2015-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520169860.8U Expired - Fee Related CN204810548U (en) | 2015-03-17 | 2015-03-17 | Novel multi -functional audio frequency module of bluetooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204810548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106792309A (en) * | 2016-12-15 | 2017-05-31 | 珠海市杰理科技股份有限公司 | General headset |
-
2015
- 2015-03-17 CN CN201520169860.8U patent/CN204810548U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106792309A (en) * | 2016-12-15 | 2017-05-31 | 珠海市杰理科技股份有限公司 | General headset |
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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: 20151125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |