CN208522978U - A kind of audio frequency processing circuit and equipment - Google Patents

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；The audio processing modules and the Audio Input Modules are used to carry out audio processing to the original audio data；The wireless transmitter module is connect with the audio processing modules, for emitting treated original audio data；Wireless receiving module receives the original audio data of the wireless transmitter module transmitting；Accompaniment input module, there are many wired or radio input devices for configuration, for inputting audio accompaniment data；Audio output module, the audio output module are connect with the wireless receiving module and the accompaniment input module, for being the first audio data by the original audio data and the audio accompaniment data mixing, and play first audio data.Circuit structure is simple, audio processing effect is good, can use with existing audio frequency apparatus, easy to operate.

Description

A kind of audio frequency processing circuit and equipment

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 for use.

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 Problem inconvenient for use.

A kind of audio frequency processing circuit, comprising:

Audio Input Modules are configured to acquisition original audio data；

Audio processing modules, the audio processing modules are connect with the Audio Input Modules, are configured to the original Beginning audio data carries out audio processing；

Wireless transmitter module, the wireless transmitter module are connect with the audio processing modules, are configured to transmitting processing Original audio data afterwards；

Wireless receiving module is configured to receive the original audio data of the wireless transmitter module transmitting；

Accompaniment input module, being configured to configuration, there are many wired or a variety of radio input devices, to access accompaniment tone Frequency evidence；

Audio output module, the audio output module and the wireless receiving module and the accompaniment input module connect It connects, is configured to be the first audio data by the original audio data and the audio accompaniment data mixing and play.

In one embodiment, the Audio Input Modules include microphone and the first power amplification circuit, and described One power amplification circuit is connected between the audio processing modules and the microphone.

In one embodiment, the accompaniment input module includes control module, bluetooth module, module card, optical fiber Module and audio input interface, the bluetooth module, the module card, the optic module and the audio jack are and institute Control module connection is stated, the control module is connect with the audio output module.

In one embodiment, the wireless transmitter module includes wireless transmission chip and transmitting antenna, described wireless Transmitting chip is connected between the audio processing modules and the transmitting antenna.

In one embodiment, the audio output module includes stereo process chip and audio output interface, described Stereo process chip is connect with the wireless receiving module, the accompaniment input module and the audio output interface connect, The audio output interface peripheral earphone or sound equipment.

It in one embodiment, further include reverberation circuit, the reverberation circuit and the wireless receiving module and institute Audio output module connection is stated, the audio data for exporting to the audio output module carries out reverberation processing.

In one embodiment, further include special efficacy circuit, the special efficacy circuit connection in the Audio Input Modules and Between the wireless transmitter module, the special efficacy circuit is used to carry out special effect processing to the original audio data.

In one embodiment, the special efficacy circuit includes key circuit, power supply circuit and special efficacy adjustment chip；It is described Key circuit and the power supply circuit are connect with special efficacy adjustment chip.

It in one embodiment, further include battery and charging circuit, the battery is connected with the charging circuit, described Battery 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 data by Audio Input Modules, and audio processing modules are to original Beginning audio data carries out audio processing, and original audio data is wirelessly transferred to audio output module, and pass through Input module accompany for audio accompaniment data input audio output module, is played again by audio frequency apparatus after stereo process, electricity Line 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 is the exemplary circuit schematic diagram of audio frequency processing circuit sound intermediate frequency processing module shown in FIG. 1；

Fig. 5 is the exemplary circuit schematic diagram of wireless transmitter module in audio frequency processing circuit shown in FIG. 1；

Fig. 6 a-6d is the exemplary circuit schematic diagram of wireless receiving module in audio frequency processing circuit shown in FIG. 1；

Fig. 7a-7c is the exemplary circuit schematic diagram of accompaniment input module in audio frequency processing circuit shown in FIG. 1；

Fig. 8 is the exemplary circuit schematic diagram of audio frequency processing circuit sound intermediate frequency output module 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, audio processing modules 20, wireless transmitter module 30, wireless receiving module 40, companion Play input 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 20 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 20.

Audio processing modules 20 are connect with Audio Input Modules 10, for carrying out audio processing to original audio data.? In the present embodiment, which is dsp processor, has analog-to-digital conversion module, wherein analog-to-digital conversion module is used for Original audio data carries out analog-to-digital conversion, and original audio data is had analog audio signal converted digital audio data.

In the present embodiment, the original audio data needs for being converted to digital audio-frequency data are set by being wirelessly transmitted to audio Standby to play, wireless transmitter module 30 is connect with audio processing modules 20, for emitting original audio data.Wireless transmitter module 30, Audio Input Modules 10 and audio processing modules 20 are set to same place, for acquiring and handling original audio data, and By treated, audio data is sent.In practical applications, wireless transmitter module 30, Audio Input Modules 10, accompaniment are defeated Entering module 50 and audio processing modules 20 can be set in wireless microphone or wireless audio devices.Wireless transmitter module 30 include wireless transmission chip and transmitting antenna, and wireless transmission chip is connected between audio processing modules 20 and transmitting antenna, By transmitting antenna, which uses UHF radio waves (Ultra High Frequency, UHF), has identification The features such as distance is remote, recognition rate is high, anti-collision ability is strong, scalability is good, card reading distance is up to 3 to 10 meters.

Accompaniment input module 50 is for inputting audio accompaniment data, and specifically, accompaniment input module 50 includes control mould Block 51, bluetooth module 52, module card 53, optic module 54 and audio input interface 55, bluetooth module 52, module card 53, Optic module 54 and audio input interface 55 are connect with control module 51, and control module 51 is connect with audio processing modules 20, Audio accompaniment data can pass through any one in bluetooth, SD card or TF card, optical fiber and audio frequency apparatus or a variety of mode Combine input audio processing module 20.

Wireless receiving module 40 receives the original audio data that wireless transmitter module 30 emits, and wireless receiving module 40 includes Wireless receiving chip and receiving antenna, wireless receiving chip are connected between audio output module 60 and receiving antenna.Audio is defeated Module 60 is connect with wireless receiving module 40 out, and for playing the first audio data, audio output module 60 includes stereo process Chip 61 and audio output interface 62, stereo process chip 61 connect with wireless receiving module 40, accompany input module 50 and Audio output interface 62 connects, and audio output interface 62 is 3.5mm audio socket, 62 peripheral earphone of audio output interface or sound It rings.Mix module is used to carry out stereo process to original audio data and audio accompaniment data, obtains the first audio data, this One audio data is the generated data of original audio data and audio accompaniment data.

It further, further include reverberation circuit, reverberation circuit is connect with wireless receiving module 40 and audio output module 60, Audio data for exporting to audio output module 60 carries out reverberation processing, the original audio number that wireless receiving module 40 exports After input reverberation circuit, handles by reverberation and exported by audio output circuit.

Further, further include special efficacy circuit, special efficacy circuit connection in Audio Input Modules 10 and wireless transmitter module 30 it Between, special efficacy circuit is used to carry out special effect processing to original audio data, and special efficacy circuit includes key circuit, power supply circuit and special efficacy Adjust chip；Key circuit and power supply circuit are connect with special efficacy adjustment chip, and key circuit inputs key commands for user, To adjust the audio special efficacy of original audio data, such as applause audio, laugh audio, explosion audio, funny audio, shot sound Effect, stroke audio and terrified audio.Special efficacy circuit is also connected between accompaniment input module 50 and wireless transmitter module 30, Special effect processing is carried out to original audio data simultaneously.

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；

Audio processing modules, the audio processing modules are connect with the Audio Input Modules, are configured to the original sound Frequency is according to progress audio processing；

Wireless transmitter module, the wireless transmitter module are connect with the audio processing modules, and being configured to transmitting, treated Original audio data；

Wireless receiving module is configured to receive the original audio data of the wireless transmitter module transmitting；

Accompaniment input module, being configured to configuration, there are many wired or a variety of radio input devices, to access accompaniment tone frequency According to；

Audio output module, the audio output module are connect with the wireless receiving module and the accompaniment input module, It is configured to be the first audio data by the original audio data and the audio accompaniment data mixing and play.

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 output module.

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 stereo process core Piece and audio output interface, the stereo process chip connect with the wireless receiving module, the accompaniment input module and The audio output interface connection, 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.