CN208781556U - A kind of audio frequency processing circuit and equipment - Google Patents
A kind of audio frequency processing circuit and equipment Download PDFInfo
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- CN208781556U CN208781556U CN201820450231.6U CN201820450231U CN208781556U CN 208781556 U CN208781556 U CN 208781556U CN 201820450231 U CN201820450231 U CN 201820450231U CN 208781556 U CN208781556 U CN 208781556U
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Abstract
The utility model belongs to audio signal processing technique field, provides a kind of audio frequency processing circuit and equipment.Comprising: Audio Input Modules, for acquiring original audio data；Accompaniment input module, there are many wired or radio input devices for configuration, for inputting audio accompaniment data；The audio processing modules are connect with the Audio Input Modules and the accompaniment input module, for carrying out audio processing to the original audio data and the audio accompaniment data, and generate the first audio data；Wireless transmitter module, the wireless transmitter module are connect with the audio processing modules, for emitting first audio data；Wireless receiving module receives first audio data of the wireless transmitter module transmitting；Audio output module, the audio output module are connect with the wireless receiving module, for playing first audio data.Circuit structure is simple, audio processing effect is good, can be used cooperatively with existing audio frequency apparatus, easy to operate.
Description
Technical field
The utility model belongs to audio signal processing technique field more particularly to a kind of audio frequency processing circuit and equipment.
Background technique
Continuous improvement with user to multimedia function demand, the type of the multimedia audio processor demand of user
It is no longer simply to carry out audio processing according to natural mode towards diversified development.
For example, existing portable K song system or speech acoustic function are single, nothing easily can not be carried out with smart phone
Line connection, accompaniment music need special player to provide, and accompaniment resource is limited, to player operation inconvenience.It can not be by hand-held
Microphone facilitates the operations such as control recording, playback, inconvenient for use.
Therefore, there is a problem of in traditional technical solution inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of audio frequency processing circuits, it is intended to solve to exist in traditional technical solution
Inconvenient problem.
A kind of audio frequency processing circuit, comprising:
Audio Input Modules are configured to acquisition original audio data；
It accompanies input module, is configured to there are many wired or radio input device, to access audio accompaniment data；
Audio processing modules, the audio processing modules and the Audio Input Modules and the accompaniment input module connect
It connects, is configured to carry out audio processing to the original audio data and the audio accompaniment data, and generate the first audio number
According to；
Wireless transmitter module, the wireless transmitter module connect with the audio processing modules, are configured to described in transmitting
First audio data；
Wireless receiving module is configured to receive first audio data of the wireless transmitter module transmitting；
Audio output module, the audio output module are connect with the wireless receiving module, for playing described first
Audio data.
The Audio Input Modules include microphone and the first power amplification circuit in one of the embodiments, described
First power amplification circuit is connected between the audio processing modules and the microphone.
The accompaniment input module includes control module, bluetooth module, module card, light in one of the embodiments,
Fiber module and audio input interface, the bluetooth module, the module card, the optic module and the audio jack with
The control module connection, the control module are connect with the audio processing modules.
The wireless transmitter module includes wireless transmission chip and transmitting antenna, the nothing in one of the embodiments,
Line transmitting chip is connected between the audio processing modules and the transmitting antenna.
The audio output module includes that the second power amplification circuit and audio output connect in one of the embodiments,
Mouthful, second power amplification circuit is connected between the wireless receiving module and the audio output interface, the audio
Output interface peripheral earphone or sound equipment.
In one of the embodiments, further include reverberation circuit, the reverberation circuit and the wireless receiving module and
The audio output module connection, the audio data for exporting to the audio output module carry out reverberation processing.
It in one of the embodiments, further include special efficacy circuit, the special efficacy circuit connection is in the Audio Input Modules
Between the wireless transmitter module, the special efficacy circuit is used to carry out special effect processing to the original audio data.
The special efficacy circuit includes key circuit, power supply circuit and special efficacy adjustment chip in one of the embodiments,；Institute
Key circuit and the power supply circuit is stated to connect with special efficacy adjustment chip.
It in one of the embodiments, further include battery and charging circuit, the battery is connected with the charging circuit, institute
It states battery and is used to charge to the battery for providing power supply, the charging circuit.
In addition, additionally providing a kind of audio processing equipment, comprising: above-mentioned audio frequency processing circuit.
Above-mentioned audio frequency processing circuit acquires original audio number by Audio Input Modules and accompaniment input module respectively
According to input audio accompaniment data, audio processing modules carry out audio processing to original audio data and audio accompaniment data, and
The first audio data is generated, and wirelessly the first audio data is transferred in audio frequency apparatus and is played out.Circuit knot
Structure is simple, audio processing effect is good, can use with existing audio frequency apparatus, easy to operate.
Detailed description of the invention
Fig. 1 is the audio frequency processing circuit structural schematic diagram that an embodiment of the present invention provides；
Fig. 2 is the audio frequency processing circuit structural schematic diagram that another embodiment of the utility model provides；
Fig. 3 is the exemplary circuit schematic diagram of audio frequency processing circuit sound intermediate frequency input module shown in FIG. 1；
Fig. 4 a-4c is the exemplary circuit schematic diagram of accompaniment input module in audio frequency processing circuit shown in FIG. 1；
Fig. 5 is the exemplary circuit schematic diagram of audio frequency processing circuit sound intermediate frequency processing module shown in FIG. 1；
Fig. 6 is the exemplary circuit schematic diagram of wireless transmitter module in audio frequency processing circuit shown in FIG. 1；
Fig. 7 a-7d is the exemplary circuit schematic diagram of wireless receiving module in audio frequency processing circuit shown in FIG. 1.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 shows the structural schematic diagram of the audio frequency processing circuit of the utility model preferred embodiment offer, a kind of audio
Processing circuit, comprising: Audio Input Modules 10, accompaniment input module 20, audio processing modules 30, wireless transmitter module 40, nothing
Line receiving module 50 and audio output module 60.
Audio Input Modules 10 are for acquiring original audio data, and specifically, Audio Input Modules 10 include microphone
11 and first power amplification circuit 12, the first power amplification circuit 12 be connected between audio processing modules 30 and microphone 11,
Microphone 11 is for acquiring the original audio data, the first power amplification circuit 12 original audio number acquired to microphone 11
According to progress power amplification, and export to audio processing modules 30.Accompaniment input module 20 is for inputting audio accompaniment data, specifically
For, accompaniment input module 20 includes control module 21, bluetooth module 22, module card 23, optic module 24 and audio input
Interface 25, bluetooth module 22, module card 23, optic module 24 and audio input interface 25 are connect with control module 21, control
Molding block 21 is connect with audio processing modules 30, and audio accompaniment data can pass through bluetooth, SD card or TF card, optical fiber and audio
The combination input audio processing module 30 of any one in equipment or a variety of modes.
Audio processing modules 30 are connect with Audio Input Modules 10 and accompaniment input module 20, for original audio number
Audio processing is carried out according to audio accompaniment data, and generates the first audio data.In the present embodiment, the audio processing modules 30
For dsp processor, there is analog-to-digital conversion module and mix module, wherein analog-to-digital conversion module is carried out for original audio data
Original audio data is had analog audio signal converted digital audio data by analog-to-digital conversion, and mix module is used for original audio
Data and audio accompaniment data carry out stereo process, obtain the first audio data, which is original audio data
With the generated data of audio accompaniment data.
In the present embodiment, which is played by being wirelessly transmitted to audio frequency apparatus, wireless transmitter module 40
It is connect with audio processing modules 30, for emitting the first audio data.Wireless transmitter module 40, Audio Input Modules 10, accompaniment
Input module 20 and audio processing modules 30 are set to same place, for acquiring and handling audio data, and by treated
Audio data is sent.In practical applications, wireless transmitter module 40, Audio Input Modules 10, accompaniment input module 20 with
And audio processing modules 30 can be set in wireless microphone or wireless audio devices.The wireless transmission using superfrequency without
Line electric wave (Ultra High Frequency, UHF) has remote identification distance, recognition rate height, anti-collision ability strong, expansible
The features such as property is good, card reading distance is up to 3 to 10 meters.
Wireless receiving module 50 receives the first audio data that wireless transmitter module 40 emits, and wireless transmitter module 40 includes
Wireless transmission chip and transmitting antenna, wireless transmission chip are connected between audio processing modules 30 and transmitting antenna.Audio is defeated
Module 60 is connect with wireless receiving module 50 out, and for playing the first audio data, audio output module 60 includes the second power
Amplifying circuit and audio output interface, the second power amplification circuit be connected to wireless receiving module 50 and audio output interface it
Between, audio output interface is 3.5mm audio socket, audio output interface peripheral earphone or sound equipment.
It further, further include that reverberation circuit, reverberation circuit and wireless receiving module 50 and audio output module 60 connect
It connects, the audio data for exporting to audio output module 60 carries out reverberation processing, the first sound that wireless receiving module 50 exports
After frequency is according to input reverberation circuit, handle by reverberation again by audio output module 60.
It further include special efficacy circuit, special efficacy circuit connection is between Audio Input Modules 10 and wireless transmitter module 40, special efficacy
Circuit is used to carry out original audio data special effect processing, and special efficacy circuit includes key circuit, power supply circuit and special efficacy adjustment core
Piece；Key circuit and power supply circuit are connect with special efficacy adjustment chip, and key circuit inputs key commands for user, with adjustment
The audio special efficacy of original audio data, such as applause audio, laugh audio, explosion audio, funny audio, shot audio, stroke
Audio and terrified audio.Special efficacy circuit is also connected between accompaniment input module 20 and wireless transmitter module 40, while right
Original audio data carries out special effect processing.
Further, audio frequency processing circuit further includes battery and charging circuit, and battery is connected with charging circuit, and battery is for mentioning
For power supply, charging circuit is used to charge to battery.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of audio frequency processing circuit characterized by comprising
Audio Input Modules are configured to acquisition original audio data；
It accompanies input module, is configured to there are many wired or radio input device, to access audio accompaniment data；
Audio processing modules, the audio processing modules are connect with the Audio Input Modules and the accompaniment input module,
It is configured to carry out audio processing to the original audio data and the audio accompaniment data, and generates the first audio data；
Wireless transmitter module, the wireless transmitter module are connect with the audio processing modules, are configured to emit described first
Audio data；
Wireless receiving module is configured to receive first audio data of the wireless transmitter module transmitting；
Audio output module, the audio output module are connect with the wireless receiving module, for playing first audio
Data.
2. audio frequency processing circuit as described in claim 1, which is characterized in that the Audio Input Modules include microphone and
One power amplification circuit, first power amplification circuit are connected between the audio processing modules and the microphone.
3. audio frequency processing circuit as described in claim 1, which is characterized in that the accompaniment input module include control module,
Bluetooth module, module card, optic module and audio input interface, the bluetooth module, the module card, the optical fiber mode
Block and the audio input interface are connect with the control module, and the control module is connect with the audio processing modules.
4. audio frequency processing circuit as described in claim 1, which is characterized in that the wireless transmitter module includes wireless transmission core
Piece and transmitting antenna, the wireless transmission chip are connected between the audio processing modules and the transmitting antenna.
5. audio frequency processing circuit as described in claim 1, which is characterized in that the audio output module includes that the second power is put
Big circuit and audio output interface, second power amplification circuit are connected to the wireless receiving module and the audio output
Between interface, the audio output interface peripheral earphone or sound equipment.
6. audio frequency processing circuit as described in claim 1, which is characterized in that further include reverberation circuit, the reverberation circuit with
The wireless receiving module and audio output module connection, the audio data for being exported to the audio output module
Carry out reverberation processing.
7. audio frequency processing circuit as described in claim 1, which is characterized in that further include special efficacy circuit, the special efficacy circuit connects
It is connected between the Audio Input Modules and the wireless transmitter module, the special efficacy circuit is used for the original audio data
Carry out special effect processing.
8. audio frequency processing circuit as claimed in claim 7, which is characterized in that the special efficacy circuit includes key circuit, power supply
Circuit and special efficacy adjust chip；The key circuit and the power supply circuit are connect with special efficacy adjustment chip.
9. audio frequency processing circuit as described in claim 1, which is characterized in that further include battery and charging circuit, the battery
It is connected with the charging circuit, the battery is used to charge to the battery for providing power supply, the charging circuit.
10. a kind of audio processing equipment characterized by comprising audio processing electricity as described in any one of claim 1 to 9
Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820450231.6U CN208781556U (en) | 2018-03-30 | 2018-03-30 | A kind of audio frequency processing circuit and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820450231.6U CN208781556U (en) | 2018-03-30 | 2018-03-30 | A kind of audio frequency processing circuit and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208781556U true CN208781556U (en) | 2019-04-23 |
Family
ID=66140647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820450231.6U Active CN208781556U (en) | 2018-03-30 | 2018-03-30 | A kind of audio frequency processing circuit and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208781556U (en) |
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2018
- 2018-03-30 CN CN201820450231.6U patent/CN208781556U/en active Active
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