CN207765166U - A kind of voice wireless control system of on-vehicle player - Google Patents
A kind of voice wireless control system of on-vehicle player Download PDFInfo
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- CN207765166U CN207765166U CN201721570955.6U CN201721570955U CN207765166U CN 207765166 U CN207765166 U CN 207765166U CN 201721570955 U CN201721570955 U CN 201721570955U CN 207765166 U CN207765166 U CN 207765166U
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- speech recognition
- bluetooth
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Abstract
A kind of voice wireless control system of on-vehicle player, including microphone, speech recognition system, MCU；The microphone is connected with speech recognition system, and speech recognition system is connected with MCU, and MCU is connected with on-vehicle player；The microphone is connected with speech recognition system by bluetooth module；The bluetooth module includes AD converter, Bluetooth transmission module, bluetooth receiving module, D/A converter；The AD converter connection microphone and Bluetooth transmission module；The D/A converter connection bluetooth receiving module and speech recognition system.The effect of the utility model is to realize the voice control to on-vehicle player.
Description
Technical field
The utility model is related to wireless control field, in particular to a kind of voice wireless control systems of on-vehicle player.
Background technology
With the development of society, the intelligence of automobile and the continuous improvement of level of security, the incidental electronics of automobile are set
Standby more and more, safety and convenience when using these electronic equipments are also required to improve therewith.For example general automobile is all
Have and carry on-vehicle player, can listen to music or broadcast, if broadcast with vehicle-mounted hard disks if coach, tourist bus
Playing function will play film and be seen to passenger.If being operated in the process of moving to on-vehicle player, then driving
The sight for the person of sailing will be detached from and singlehanded steer direction disk, accident thus would tend to occur, by other people to on-vehicle player
Operation is again inconvenient.
The purpose of this utility model is that realizing the control to on-vehicle player in a manner of voice.
Invention content
The purpose of this utility model is the control realized in a manner of voice to on-vehicle player.
To achieve the goals above, the voice wireless control system of the on-vehicle player of the utility model has following structure
At：
A kind of voice wireless control system of on-vehicle player, including microphone, speech recognition system, MCU；The microphone
It is connected with speech recognition system, speech recognition system is connected with MCU, and MCU is connected with on-vehicle player；The microphone and voice
Identifying system is connected by bluetooth module；The bluetooth module includes AD converter, Bluetooth transmission module, bluetooth reception
Module, D/A converter；The AD converter connection microphone and Bluetooth transmission module；The D/A converter connection bluetooth receives
Module and speech recognition system.
Particularly, the model of the Bluetooth transmission module and bluetooth receiving module is HC-05.
Particularly, the speech recognition system is LD3320 voice recognition chips.
Particularly, further include lithium battery, the lithium battery is connected with Bluetooth transmission module, AD converter.
Particularly, further include DC-DC module, the DC-DC module is received for connecting vehicle power supply and MCU, bluetooth
Module, speech recognition system, D/A converter.
Particularly, the keyword of corresponding on-vehicle player processing routine is equipped in the speech recognition system.
The utility model has the advantage of：1, the control to on-vehicle player is realized in a manner of voice；2, the voice without
Line control system is mutually agreed with onboard system, is suitble to onboard use.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
The symbol description of Fig. 1 is as follows：
1, microphone；2, speech recognition system；3、MCU；4, on-vehicle player；5.1, AD converter, 5.2, Bluetooth transmission mould
Block；5.3, bluetooth receiving module；5.4, D/A converter；6, lithium battery；7, DC-DC module；8, vehicle power supply.
Specific implementation mode
In order to more clearly describe the technology contents of the utility model, come into traveling one with reference to specific embodiment
The description of step.
A kind of voice wireless control system of on-vehicle player, including microphone 1, speech recognition system 2, MCU3；Described
Microphone 1 is connected with speech recognition system 2, and speech recognition system 2 is connected with MCU3, and MCU3 is connected with on-vehicle player 4；Described
Microphone 1 is connected with speech recognition system 2 by bluetooth module；The bluetooth module includes AD converter 5.1, bluetooth hair
Penetrate module 5.2, bluetooth receiving module 5.3, D/A converter 5.4；The AD converter 5.1 connects microphone 1 and Bluetooth transmission mould
Block 5.2；The D/A converter 5.4 connects bluetooth receiving module 5.3 and speech recognition system 2.
As shown in Fig. 1, when microphone 1 collects voice signal, digital signal, bluetooth hair are converted by A/D converter circuit
It penetrates module 5.2 and receives digital signal and gone out by wireless transmission, bluetooth receiving module 5.3 receives signal and is converted into simulating through DA
Signal, speech recognition system 2 are conveyed to MCU3 after identifying analog signal, and MCU3 receives the signal of the output of speech recognition system 2,
Judgement is currently any control signal, is operated to on-vehicle player 4.Bluetooth transmission module 5.2 and bluetooth receiving module 5.3
Model can be used HC-05, can effectively reduce cost.
The keyword of 4 processing routine of corresponding on-vehicle player is equipped in the speech recognition system 2.With reference to using
The speech recognition system 2 of the function of LD3320 voice recognition chips illustrates.Speech recognition system 2 receive analog signal into
Line frequency spectrum analysis, the key words then extracted in phonetic feature and key words list are matched, and highest scoring is found out
Key words are exported as recognition result.For example the pickup of microphone 1 is carried out, finally to the order of " radio reception " by above-mentioned principle
MCU3 will make on-vehicle player 4 be switched to radio reception state.As sent out " receiving platform " order again, then MCU3 will make on-vehicle player
4 receive the operation of platform.Above-mentioned keyword is not limited to radio reception, receipts platform etc., can voluntarily be arranged as needed.
Can also in this case it be made by the way that lithium battery 6 to be connected and charge with Bluetooth transmission module 5.2, AD converter 5.1
With the microphone with bluetooth can realize power supply supply, it is cheap and use when degree of freedom higher.
MCU3, bluetooth receiving module 5.3, speech recognition system 2, D/A converter 5.4 etc. are more suitable for mounted in onboard by vehicle
It carries power supply 8 to power, DC-DC module 7 is needed to know for connecting vehicle power supply 8 and MCU3, bluetooth receiving module 5.3, voice at this time
The modules such as other system 2, D/A converter 5.4.
Driver is just not necessarily to manual operation to automobile in the process of moving in this way, it is only necessary to sound control, in driving
Not only safety but also facility.
In this description, the utility model is described with reference to its specific embodiment.But it is clear that still can be with
The spirit and scope that various modification can be adapted and converts without departing from the utility model.Therefore, the description and the appended drawings should be considered as
Illustrative and not restrictive.
Claims (6)
1. a kind of voice wireless control system of on-vehicle player, it is characterised in that：Including microphone（1）, speech recognition system
（2）、MCU（3）；
The microphone（1）With speech recognition system（2）It is connected, speech recognition system（2）With MCU（3）It is connected, MCU（3）With vehicle
Carry player（4）It is connected；
The microphone（1）With speech recognition system（2）It is connected by bluetooth module；The bluetooth module includes that AD turns
Parallel operation（5.1）, Bluetooth transmission module（5.2）, bluetooth receiving module（5.3）, D/A converter（5.4）；The AD converter
（5.1）Connect microphone（1）With Bluetooth transmission module（5.2）；The D/A converter（5.4）Connect bluetooth receiving module（5.3）
And speech recognition system（2）.
2. the voice wireless control system of on-vehicle player as described in claim 1, it is characterised in that：The Bluetooth transmission
Module（5.2）And bluetooth receiving module（5.3）Model be HC-05.
3. the voice wireless control system of on-vehicle player as described in claim 1, it is characterised in that：The speech recognition
System（2）It is LD3320 voice recognition chips.
4. the voice wireless control system of on-vehicle player as described in claim 1, it is characterised in that：It further include lithium battery
（6）, the lithium battery（6）With Bluetooth transmission module（5.2）, AD converter（5.1）It is connected.
5. the voice wireless control system of on-vehicle player as described in claim 1, it is characterised in that：Further include DC-DC moulds
Block（7）, the DC-DC module（7）For connecting vehicle power supply（8）And MCU（3）, bluetooth receiving module（5.3）, voice know
Other system（2）, D/A converter（5.4）.
6. the voice wireless control system of on-vehicle player as described in claim 1, it is characterised in that：The speech recognition
System（2）It is interior to be equipped with corresponding on-vehicle player（4）The keyword of processing routine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570955.6U CN207765166U (en) | 2017-11-22 | 2017-11-22 | A kind of voice wireless control system of on-vehicle player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570955.6U CN207765166U (en) | 2017-11-22 | 2017-11-22 | A kind of voice wireless control system of on-vehicle player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207765166U true CN207765166U (en) | 2018-08-24 |
Family
ID=63188636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721570955.6U Active CN207765166U (en) | 2017-11-22 | 2017-11-22 | A kind of voice wireless control system of on-vehicle player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207765166U (en) |
-
2017
- 2017-11-22 CN CN201721570955.6U patent/CN207765166U/en active Active
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