CN208971502U - A kind of intercommunication audio devices and system - Google Patents
A kind of intercommunication audio devices and system Download PDFInfo
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- CN208971502U CN208971502U CN201821879256.4U CN201821879256U CN208971502U CN 208971502 U CN208971502 U CN 208971502U CN 201821879256 U CN201821879256 U CN 201821879256U CN 208971502 U CN208971502 U CN 208971502U
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Abstract
The utility model provides a kind of intercommunication audio devices and system, the intercommunication audio devices include intercommunication module, audio collection and preprocessing module, processor, memory, the first wireless communication module and audio output module, wherein, audio collection and preprocessing module include partial pressure and filter unit;The intercommunication audio system includes audio management system and the intercommunication audio devices.The collected audio signal of intercommunication module is subjected to noise reduction process by the audio collection and preprocessing module, the influence of ambient noise is preferably minimized, to get the good audio of quality, to effectively reduce influence of the environment to audio signal;Audio signal can be wirelessly transmitted to the audio management system by the wireless communication module of intercommunication audio devices simultaneously, to effectively increase the convenience of audio data upload.
Description
Technical field
The utility model relates to fields of communication technology, more particularly, to a kind of intercommunication audio devices and system.
Background technique
Currently, existing intercommunication audio collecting system is that collected intercommunication audio is directly carried out typing, this mode
Noise in environment can be acquired together, cause audio signal by pollution from environmental noise, so that being difficult therefrom to extract
Useful information.In addition, existing intercommunication audio collecting system when uploading audio data, is that audio data is first stored in this
Then the SD card on ground copies background management system to from SD card again, not only process steps are cumbersome, but also inefficiency, manpower at
This is higher.
Utility model content
The utility model provides a kind of intercommunication audio devices and system, is adopted with solving existing intercommunication audio collecting system
The audio signal collected the technical problem affected by environment that convenience difference is uploaded with audio data, to efficiently reduce environment pair
The influence of audio signal, while improving the convenience of audio data upload.
In order to solve the above-mentioned technical problem, the utility model provides a kind of intercommunication audio devices, including intercommunication module, sound
Frequency acquisition and preprocessing module, processor, memory, the first wireless communication module and audio output module;
The output end of the intercommunication module is connect with the input terminal of the audio collection and preprocessing module, and the audio is adopted
Collection and the output end of preprocessing module and the first data terminal of the processor are connect, the second data terminal of the processor and institute
State the data terminal connection of memory, the input terminal company of the third data terminal of the processor and first wireless communication module
It connects, the 4th data terminal of the processor is connect with the input terminal of the audio output module;
The audio collection and preprocessing module include first capacitor, partial pressure and filter unit, the second capacitor, the partial pressure
And filter unit includes third capacitor, first resistor, second resistance, the first end of the first capacitor and the audio collection and
The input terminal of preprocessing module connects, and the second end of the first capacitor is connect with the first end of the first resistor, and described the
The second end of one resistance is connect with the first end of the second resistance, the first end of second capacitor, the third capacitor
First end is both connected in the first end of the second resistance, the second end of the third capacitor and the second of the second resistance
Altogether, the second end of second capacitor is connect with the output end of the audio collection and preprocessing module at end.
Further, the audio output module includes power amplifier module and loudspeaker, the input terminal of the power amplifier module with
The input terminal of the audio output module connects, and the output end of the power amplifier module is connect with the loudspeaker.
Further, the intercommunication audio devices further include switching for switching the state of the intercommunication module reiving/transmitting state
Module, the output end of the state switching module are connect with the 5th data terminal of the processor.
Further, the state switching module is PTT key.
Further, the intercommunication audio devices further include interrupt module, the input terminal of the interrupt module with it is described right
Say the intercommunication signal end connection of module, the output end of the interrupt module is connect with the interrupt signal end of the processor.
Further, the control signal end of the processor is connect with the control signal end of the intercommunication module.
In order to solve identical technical problem, the utility model embodiment additionally provides a kind of intercommunication audio system, including
Audio management system and the intercommunication audio devices, the audio management system include audio processor and for it is described
The second wireless communication module that first wireless communication module carries out wireless communication, the audio processor and second channel radio
Believe module connection.
Compared with prior art, the utility model embodiment has the following beneficial effects:
Intercommunication audio devices provided by the embodiment of the utility model and system, the intercommunication audio devices include intercommunication mould
Block, audio collection and preprocessing module, processor, memory, the first wireless communication module and audio output module, wherein
Audio collection and preprocessing module include partial pressure and filter unit;The intercommunication audio system includes audio management system and appoints
Intercommunication audio devices described in one.
The collected audio signal of intercommunication module is subjected to noise reduction process by the audio collection and preprocessing module, it will
The influence of ambient noise is preferably minimized, and to get the good audio of quality, is believed to effectively reduce environment audio
Number influence;Audio signal can be wirelessly transmitted to the audio pipe by the wireless communication module of intercommunication audio devices simultaneously
Reason system, to effectively increase the convenience of audio data upload.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the intercommunication audio devices that the utility model embodiment one provides;
Fig. 2 is the circuit diagram of the audio collection that the utility model embodiment one provides and preprocessing module;
Fig. 3 is the structural schematic diagram for the intercommunication audio system that the utility model embodiment one provides.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Figure 1, the utility model embodiment provides a kind of intercommunication audio devices, including intercommunication module 1, audio are adopted
Collection and preprocessing module 2, processor 3, memory 10, the first wireless communication module 7 and audio output module 6;
The output end of the intercommunication module 1 is connect with the input terminal of the audio collection and preprocessing module 2, the audio
The output end of acquisition and preprocessing module 2 is connect with the first data terminal of the processor 3, the second data of the processor 3
End is connect with the data terminal of the memory 10, the third data terminal of the processor 3 and first wireless communication module 7
Input terminal connection, the 4th data terminal of the processor 3 are connect with the input terminal of the audio output module 6;
The audio collection and preprocessing module 2 include first capacitor C1, partial pressure and filter unit 11, the second capacitor C2,
The partial pressure and filter unit 11 include third capacitor C3, first resistor R1, second resistance R2, and the first of the first capacitor C1
End is connect with the input terminal of the audio collection and preprocessing module 2, the second end of the first capacitor C1 and first electricity
The first end connection of R1 is hindered, the second end of the first resistor R1 is connect with the first end of the second resistance R2, and described second
The first end of capacitor C2, the first end of the third capacitor C3 are both connected in the first end of the second resistance R2, and described
The second end of the second end of three capacitor C3 and the second resistance R2 altogether, the second end and the audio of the second capacitor C2
The connection of the output end of acquisition and preprocessing module 2.
In the utility model embodiment, the intercommunication module 1 is acquired by the audio collection and preprocessing module 2
The audio signal arrived carries out noise reduction process, and the influence of ambient noise is preferably minimized, to get the good audio of quality, from
And effectively reduce influence of the environment to audio signal;It simultaneously can be by the wireless communication modules of intercommunication audio devices by sound
Frequency signal is wirelessly transmitted to the intercommunication audio system, to effectively increase the convenience of audio data upload.
Refer to Fig. 2, the audio collection and preprocessing module 2 include first capacitor C1, partial pressure and filter unit 11, the
Two capacitor C2, the partial pressure and filter unit 11 include third capacitor C3, first resistor R1, second resistance R2.
In a particular application, when carrying out audio collection, using system microphone by hardware circuit directly to intercommunication electricity
The acquisition of signal, wherein using the voice signal output pin of the intercommunication module 1 as the audio collection and preprocessing module 2
Circuit input, the circuit output of the audio collection and preprocessing module 2 to 3 microphone of processor.The circuit includes two
A major function: first is that by electric resistance partial pressure come mesh power intensity (output of intercommunication module 1 and processor microphone input function
Rate grade is different, is matched);Second is that filtering by RC, it can effectively remove the noise of other frequencies.In RF radio frequency pair
It says in chip signal output pin and acquires audio signal, filtered by electric resistance partial pressure and RC, the signal of suitable voltage can be collected
And required frequency is filtered out, the signal for collecting suitable voltage is inputted and stored by system microphone channel.
In the utility model embodiment, the audio output module 6 includes power amplifier module and loudspeaker, the power amplifier mould
The input terminal of block is connect with the input terminal of the audio output module 6, and the output end of the power amplifier module and the loudspeaker connect
It connects.
In the utility model embodiment, the intercommunication audio devices further include receiving and dispatching for switching the intercommunication module 1
The state switching module 4 of state, the output end of the state switching module 4 are connect with the 5th data terminal of the processor 3.Into
One step, the state switching module 4 is PTT key.
In the utility model embodiment, the intercommunication audio devices further include interrupt module 5, the interrupt module 5
Input terminal is connect with the intercommunication signal end of the intercommunication module 1, in the output end of the interrupt module 5 and the processor 3
The connection of break signal end.
In the utility model embodiment, the control signal of the control signal end of the processor 3 and the intercommunication module 1
End connection.
In a particular application, it is to be understood that the processor 3 obtains the intercommunication letter that the intercommunication module 1 receives
Number;The interrupt module 5 can send interrupt signal to the processor 3 when receiving intercommunication signal;PPT key is as institute
State switching module 4 is stated, transmission, the reception state of intercommunication chip are allowed hand over;First wireless communication module 7 can be by institute
State the audio management system that the audio signal that processor 3 is got is wirelessly transmitted to backstage;The power amplifier module and the loudspeaking
Device is used for the output of audio;Power circuit is used to power to whole system, guarantees the normal operation of product.
Refer to Fig. 3, the utility model embodiment additionally provide a kind of intercommunication audio system, including audio management system with
And the intercommunication audio devices, the audio management system include audio processor 93 and are used for and first wireless communication
The second wireless communication module 8 that module 7 carries out wireless communication, the audio processor 93 and second wireless communication module 8
Connection.
In the utility model embodiment, it is to be understood that after audio uploads to the audio management system on backstage,
Audio can be carried out further noise reduction process by system, and carry out classified storage to audio data by intercommunication time, sender etc.,
Important intercommunication content can be marked and annotate intercommunication content, facilitate and distinguish important audio and the corresponding audio text of lookup
Part.
In a particular embodiment, pass through wireless network while the audio under the intercommunication audio devices record is stored in local
Audio is uploaded in real time or controllably to the audio management system on backstage, removes a large amount of cumbersome manual operations from.The sound
Frequency management system can not only monitor in real time collected intercommunication audio, facilitate user and understand intercommunication content instantly,
Convenient guidance and arrangement to action, and analysis can be managed to collected intercommunication audio, such as reduction pair
It says scene, facilitates record and the inquiry in later period.
To sum up, compared with prior art, the utility model embodiment has the following beneficial effects:
Intercommunication audio devices provided by the embodiment of the utility model and system, the intercommunication audio devices include intercommunication module
1, audio collection and preprocessing module 2, processor 3, memory 10, the first wireless communication module 7 and audio output module 6,
Wherein, audio collection and preprocessing module 2 include partial pressure and filter unit 11;The intercommunication audio system includes audio frequency controller system
System and described in any item intercommunication audio devices.
The collected audio signal of intercommunication module 1 is subjected to noise reduction process by the audio collection and preprocessing module 2,
The influence of ambient noise is preferably minimized, to get the good audio of quality, to effectively reduce environment to audio
The influence of signal;Audio signal can be wirelessly transmitted to the audio by the wireless communication module of intercommunication audio devices simultaneously
Management system, to effectively increase the convenience of audio data upload.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (7)
1. a kind of intercommunication audio devices, which is characterized in that including intercommunication module, audio collection and preprocessing module, processor is deposited
Reservoir, the first wireless communication module and audio output module;
The output end of the intercommunication module is connect with the input terminal of the audio collection and preprocessing module, the audio collection and
The output end of preprocessing module is connect with the first data terminal of the processor, and the second data terminal of the processor is deposited with described
The data terminal of reservoir connects, and the third data terminal of the processor is connect with the input terminal of first wireless communication module, institute
The 4th data terminal for stating processor is connect with the input terminal of the audio output module;
The audio collection and preprocessing module include first capacitor, partial pressure and filter unit, the second capacitor, the partial pressure and filter
Wave unit includes third capacitor, first resistor, second resistance, the first end of first capacitor place with the audio collection and in advance
The input terminal connection of module is managed, the second end of the first capacitor is connect with the first end of the first resistor, first electricity
The second end of resistance is connect with the first end of the second resistance, and the first of the first end of second capacitor, the third capacitor
End is both connected in the first end of the second resistance, and the second end of the third capacitor and the second end of the second resistance are total
The second end on ground, second capacitor is connect with the output end of the audio collection and preprocessing module.
2. intercommunication audio devices as described in claim 1, which is characterized in that the audio output module include power amplifier module and
Loudspeaker, the input terminal of the power amplifier module are connect with the input terminal of the audio output module, the output of the power amplifier module
End is connect with the loudspeaker.
3. intercommunication audio devices as described in claim 1, which is characterized in that the intercommunication audio devices further include for switching
The state switching module of the intercommunication module reiving/transmitting state, the output end of the state switching module and the 5th of the processor
Data terminal connection.
4. intercommunication audio devices as claimed in claim 3, which is characterized in that the state switching module is PTT key.
5. intercommunication audio devices as described in claim 1, which is characterized in that the intercommunication audio devices further include interrupting mould
Block, the input terminal of the interrupt module are connect with the intercommunication signal end of the intercommunication module, the output end of the interrupt module with
The interrupt signal end of the processor connects.
6. intercommunication audio devices as described in claim 1, which is characterized in that the control signal end of the processor with it is described right
Say the control signal end connection of module.
7. a kind of intercommunication audio system, which is characterized in that including audio management system and such as any one of claim 1~6 institute
The intercommunication audio devices stated, the audio management system include audio processor and for first wireless communication module into
Second wireless communication module of row wireless communication, the audio processor are connect with second wireless communication module.
Priority Applications (1)
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CN201821879256.4U CN208971502U (en) | 2018-11-14 | 2018-11-14 | A kind of intercommunication audio devices and system |
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CN201821879256.4U CN208971502U (en) | 2018-11-14 | 2018-11-14 | A kind of intercommunication audio devices and system |
Publications (1)
Publication Number | Publication Date |
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CN208971502U true CN208971502U (en) | 2019-06-11 |
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ID=66765448
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CN201821879256.4U Active CN208971502U (en) | 2018-11-14 | 2018-11-14 | A kind of intercommunication audio devices and system |
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2018
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