CN208227287U

CN208227287U - Intelligent audio processing equipment

Info

Publication number: CN208227287U
Application number: CN201820523088.9U
Authority: CN
Inventors: 徐文波
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-13
Filing date: 2018-04-13
Publication date: 2018-12-11
Anticipated expiration: 2028-04-13

Abstract

The application provides a kind of intelligent audio processing equipment comprising: the first audio signal input end；Application processor；First mixer circuit, Audio output port of two input port respectively with first audio signal input end and the application processor are correspondingly connected with；Second audio signal output end is connect with an output port of first mixer circuit.The application intelligent audio processing equipment is provided with application processor, itself can provide audio signal abundant (such as accompaniment, audio material) by operation application program, it no longer needs to external for providing the intelligent electronic device of audio signal, reduce number of devices of user during carrying out network audio/video interactive, and simplifies equipment line.

Description

Intelligent audio processing equipment

Technical field

The present invention relates to intelligent electronic device field more particularly to a kind of intelligent audio processing equipments.

Background technique

With the rapid development of Internet technology, public view is also progressed into about network audio/video Related product It is wild.Network audio/video Related product usually requires to be equipped with external audio processing equipment (such as sound card, audio device), different The external audio processing equipment of model has the function of different audio processings, for meeting the various demands of users.

External audio processing equipment realizes audio processing function by hardware audio processing circuit, and can utilize its audio Interface and each Terminal Type (mobile phone, computer) etc. carry out the interaction of audio signal, realize and pass the audio signal Jing Guo audio processing Terminal is transported to, the audio signal that can also receive terminal transmission is handled.But existing external audio processing equipment can not be transported Row APP (Application, application program), in order to increase audio diversity (such as offer accompaniment, scene audio material etc.), External intelligent electronic device (such as mobile phone, plate) or special scene audio device are needed, it is abundant using intelligent electronic device The memory module that audio class APP or audio device have a large amount of scene materials provides each class audio frequency for it, and connection is then also needed to be used for The intelligent electronic device of live streaming, realization are broadcast live output to by the audio signal transmission after audio processing to live streaming equipment, this Result in user's equipment used in progress network audio/video interactive process various, and line is complicated between equipment, ten Divide inconvenience.

Intelligent electronic device can run intelligent operating system, user interface and APP by application processor, make its tool Standby function abundant can realize audio processing function by application program, but be limited by application platform, at audio Audio signal after reason can not be applied to other applications, while intelligent electronic device does not have that (hand is mechanical, electrical with other terminals Brain) etc. carry out audio signal interaction audio interface, use it can not as the external audio processing equipment of other terminals.

Summary of the invention

In order to solve the defect of the above-mentioned prior art, a kind of intelligent audio processing equipment is provided, at application program Reason device and the audio output/input terminal interacted with other terminals progress audio signal, itself can be mentioned by running application program For audio signal abundant (such as accompaniment, audio material) and other terminals are transferred to, are no longer needed to external for providing audio letter Number intelligent electronic device, reduce number of devices of user during carrying out network audio/video interactive, simplify equipment Line.

The intelligent audio processing equipment, comprising:

First audio signal input end；

Application processor；

First mixer circuit, two input port respectively with first audio signal input end and the application program The Audio output port of processor is correspondingly connected with；

Second audio signal output end is connect with an output port of first mixer circuit.

Further, an output port of first mixer circuit and the audio signal of the application processor are defeated Inbound port connection.

Further, first mixer circuit includes adder or encoding and decoding mixer.

Further, the intelligent audio processing equipment further includes sound effect processing circuit, with first mixer circuit Connection.

Further, the intelligent audio processing equipment further include:

Second audio signal input end；

First audio signal output end；

Second mixer circuit, two input port respectively with the second audio signal input end and first mixer circuit An output port be correspondingly connected with, output port is connect with first audio signal output end.

Further, second audio signal input end and second audio signal output end configuration are in same device In；The device includes analog audio interface, digital audio interface or wireless transceiver.

Further, the analog audio interface includes four-part form interface or USB interface, the second audio signal input End is the left and right acoustic channels input terminal of the four-part form interface or the end D+/D- of the USB interface, the second audio signal output End is the microphone output channel of the four-part form interface or the end ID of the USB interface.

Further, the digital audio interface includes USB interface or lightning interface, second audio signal Input terminal is the synchronous input end point of the USB interface or lightning interface, and second audio signal output end is described The synchronism output endpoint of USB interface or lightning interface.

Further, the intelligent audio processing equipment further include:

Key/Knob module；

Controller is connect with the key/Knob module；

The controller is also connect with first mixer circuit and/or the sound effect processing circuit.

Further, the intelligent audio processing equipment further includes being connect with the application processor using mould Block, the application module include one or more of structure:

Audio interface, touch screen, display screen, wireless transceiver, sensor, SD card slot, camera, keyboard, Base-Band Processing Device.

It can be seen from the above technical proposal that the application intelligent audio processing equipment has application processor, it can Intelligent operating system, user interface and application program are run, allows the application intelligent audio processing equipment that each class audio frequency to be installed APP (such as QQ music APP, auxiliary audio material APP etc.) is provided, providing APP by operation audio is that intelligent audio processing is set It is standby to provide audio signal abundant so that for carrying out in audio signal interactive process with other terminals, the application intelligent audio is handled Equipment no longer needs to the external intelligent electronic device or audio device for being used as offer audio, reduces user and is carrying out network audio/view Number of devices in frequency interactive process simplifies equipment line.In further embodiment, the intelligent audio processing of the application is set It is standby to can also be used as the use of intelligent communication equipment, realize dual-use.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of intelligent audio processing equipment provided by an embodiment of the present invention；

Fig. 2 is the physical circuit schematic diagram of intelligent audio processing equipment provided by another embodiment of the utility model；

Fig. 3 is the physical circuit schematic diagram of intelligent audio processing equipment provided by another embodiment of the utility model；

Fig. 4 is the physical circuit schematic diagram of intelligent audio processing equipment provided by the utility model still another embodiment；

Fig. 5 is the physical circuit schematic diagram of intelligent audio processing equipment provided by the utility model another embodiment；

Fig. 6 is the structural schematic diagram of intelligent audio processing equipment provided by the utility model and another embodiment.

Specific embodiment

In order to which the objects, technical solutions and advantages of the application are more clearly understood, below in conjunction with attached drawing and specific implementation Example is described in further detail the application.It should be appreciated that specific embodiment described herein is only to explain the application, It is not used to limit the application.

In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result, The feature of " first ", " second " can explicitly or implicitly include one or more feature.In the utility model Description in, the meaning of " plurality " is two or more, unless otherwise specifically defined.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected or can be in communication with each other；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Application processor (Application Processor, abbreviation AP) includes in the description of the present invention, The existing common processor of intelligent electronic device, is mainly responsible for holding for operating system, user interface and major applications program Row, the general CPU, such as full will A series processors, the micro- RK series processors of auspicious core etc. for using ARM chip.Baseband processor (Baseband Processor, abbreviation BP), is responsible for the execution of all communication softwares, the hardware knot of functional mobile phone earlier Structure is to be added to some additional application programs and corresponding hardware adaptor, smart phone is as functional mobile phone based on BP Further development increase AP on the basis of BP, dedicated for strengthening support to application program.Application program processing The intelligent operating systems such as the mountable Android of device, iOS, Symbian, BlackBerry OS, Windows Mobile, operation is for example QQ music, sing, all kinds of APP with audio signal output function of auxiliary audio material etc..

Intelligent audio processing equipment may include that intelligent sound card, intelligent audio device etc. produce in the description of the present invention, Product.Fig. 1 shows the structural schematic diagram of intelligent audio processing equipment provided by an embodiment.

As shown in Figure 1, intelligent audio processing equipment provided by the present embodiment preferably includes: the input of the first audio signal End, application processor, the first mixer circuit and the second audio signal output end.

First audio signal input end is connect with an input port of the first mixer circuit, for obtaining the sound of external devices Frequency signal.It should be pointed out that there is no limit the quantity of the first audio signal input end, multiple first audio letters for the utility model Number input terminal can be connect with multiple input ports of the first mixer circuit respectively or multiple first audio signal input ends pass through Mixer circuit set in addition first carries out audio mixing and mixed signal is input to by an input port of the first mixer circuit again In one mixer circuit.

Another input port of first mixer circuit and the Audio output port (I of application processor²The port S) Connection, the Audio output port are used to export the audio signal of application processor to the first mixer circuit, specifically, Application processor by system audio signal either run APP (Application, application program) audio signal from Audio output port output is transmitted to the first mixer circuit.It should be pointed out that the audio signal of application processor Output port (port I2S) output is digital audio and video signals, when the first mixer circuit is for carrying out to analog audio signal When audio mixing, then D/A converting circuit can be set between application processor and the first mixer circuit, application program is handled The digital audio and video signals of device output switch to analog audio signal and are input to the first mixer circuit again, and setting D/A converting circuit carries out Digital-to-analogue conversion is routine techniques well-known to those skilled in the art, therefore is repeated no more.

The audio signal and application processor that first mixer circuit can input the first audio signal input end The audio signal of Audio output port output carries out stereo process.It should be pointed out that sound mentioned by the utility model Frequency signal refers to electric signal corresponding with audio (such as sound wave).First mixer circuit includes adder or encoding and decoding audio mixing Device.

Second audio signal output end is connect with an output port of the first mixer circuit, can be by the first mixer circuit The audio signal that transmission comes is sent to corresponding external devices.It should be pointed out that there is no limit the second audios for the utility model The audio signal of the quantity of signal output end, the first mixer circuit can be divided into after output port output by the mode more than one point Multipath audio signal is exported from multiple second audio signal output ends respectively, such as can be real by simple route overlapped mode Now audio signal one is divided it is more, audio signal one divide more modes be the technical field prior art, it is subsequent no longer to go to live in the household of one's in-laws on getting married It states.

As shown in Figure 1, according to actual needs, which can also be comprising at audio in the present embodiment Circuit is managed, is connect with the first mixer circuit.When the first mixer circuit be adder when, the input port of sound effect processing circuit with The connection of first audio signal input end, output port connect with the input port of the first mixer circuit, and sound effect processing circuit is to the After the audio signal of one audio signal input end input carries out corresponding audio effect processing, obtained respective audio signal is transmitted To the first mixer circuit.When the first mixer circuit is encoding and decoding mixer, sound effect processing circuit is connect with encoding and decoding mixer, It carries out corresponding audio effect processing to the audio signal that the transmission of encoding and decoding mixer comes, so that the audio signal band that processing obtains There is specific audio；After completing audio effect processing, obtained respective audio signal can be fed back to volume solution by sound effect processing circuit Code mixer.Specifically, audio effect processing may include electric sound, the change of voice, reverberation etc..

As shown in Figure 1, according to actual needs, another output port of the first mixer circuit can be with application in the present embodiment Audio signal input end mouth (the I of program processor²The port S) it connects, the first mixer circuit is believed audio by the output port Number it is transmitted to application processor.The Audio output port and audio signal input end mouth of application processor configure In an I²In the port S.

As shown in Figure 1, according to actual needs, which can also include: the second sound in the present embodiment Frequency signal input part, the first audio signal output end and the second mixer circuit.

Wherein, the second audio signal input end is connect with an input port of the second mixer circuit, for obtaining external device The audio signal of part.

Another input port of second mixer circuit is connect with an output port of the first mixer circuit, receives the first audio mixing The audio signal that circuit transmission is come, and it is subjected to stereo process with the audio signal that the second audio signal input end inputs.

First audio signal output end is connect with the output port of the second mixer circuit, for transmitting the second mixer circuit The audio signal come is sent to corresponding external devices.It should be pointed out that there is no limit the first audio signals for the utility model The audio signal of the quantity of output end, the second mixer circuit can be divided into multichannel by the mode more than one point after output port output Audio signal is exported from multiple first audio signal output ends respectively.

In the present embodiment, the second mixer circuit preferably includes adder.Certainly, the second mixer circuit can also use Other reasonable devices or circuit realize that the utility model is without being limited thereto.

It should be pointed out that in the different embodiments of the utility model, according to actual needs, above-mentioned first audio signal Input terminal and the first audio signal output end, the second audio signal input end and the second audio signal output end both can be only fitted to In same device, it can also be arranged respectively in different components, the utility model is without being limited thereto.Above-mentioned device can be simulation Audio interface, digital audio interface or wireless transceiver.

In order to clearly illustrate that the structure of intelligent audio processing equipment provided by the utility model, principle and excellent Point, several embodiments presented below are further elaborated the intelligent audio processing equipment.

Fig. 2 shows intelligent audio processing equipment physical circuit schematic diagrames provided by another embodiment.

As shown in Fig. 2, the first audio signal input end and the configuration of the first audio signal output end are in an ear in the present embodiment In wheat interface 103, wherein the first audio signal input end is the microphone input channel of earphone microphone interface 103, the first audio signal Output end is the left and right acoustic channels output channel of earphone microphone interface 103.External headset is connect with earphone microphone interface 103, passes through the first audio The audio signal transmission that signal input part acquires headset microphone to intelligent audio processing equipment, intelligent audio processing equipment exports Audio signal two earphones of headset are transmitted to by the first audio signal output end.

In addition, the second audio signal input end and the configuration of the second audio signal output end are in a four-part form interface, this four Segmentation interface is handset port 104, wherein the second audio signal input end is the left and right acoustic channels input channel of handset port 104, Second audio signal output end is the microphone output channel of handset port 104.The earphone microphone interface and handset port of external mobile phone 104 connections, the audio signal transmission for being exported mobile phone earphone microphone interface by the second audio signal input end to intelligent audio are handled The audio signal of equipment, the output of intelligent audio processing equipment is connect by the headset that the second audio signal output end reaches external mobile phone Mouthful.

In the present embodiment, the first mixer circuit includes adder 200, the microphone input channel (i.e. of earphone microphone interface 103 One audio signal input end) it is connect with an input port of adder 200 by an amplifier 202,202 pairs of amplifier input Audio signal amplifies, and by amplified audio signal input summer 200.First mixer circuit can also use other Reasonable circuit or device realize that the utility model is without being limited thereto.

Application processor 102 is connect by its port I2S with an input port of adder 200, due to applying journey The port the I2S output of sequence processor 102 is digital audio and video signals, and adder 200 is for mixing analog audio signal Sound, therefore a digital analog converter 402 is set between application processor 102 and adder 200, for believing digital audio Number carry out digital-to-analogue conversion, setting digital analog converter to digital audio and video signals carry out digital-to-analogue conversion be well known to those skilled in the art Routine techniques, no longer repeated herein.In the present embodiment, application processor 102 is connected with keyboard 301, light passes Sensor 302, SD card slot 303, touch screen 304, display screen 305, camera 306, bluetooth wireless transceiver 307, infrared radio are received Send out the application modules such as device 308.Above-mentioned application module can be deleted according to actual needs, or can increase according to demand and for example take the photograph As the application modules such as head, radio frequency.

The audio signal that adder 200 inputs earphone microphone interface 103 and application processor 102 carries out stereo process, And export the mixed signal after stereo process through output port, the microphone output of the output port and handset port 104 is logical Road (i.e. the second audio signal output end) connection, to being exported mixed signal by handset port 104 to external mobile phone.

In the present embodiment, the second mixer circuit is adder 201, the left and right acoustic channels input channel (i.e. the of handset port 104 Two audio signal input ends) it is connect by an amplifier 203 with an input port of adder 201, amplifier 203 connects mobile phone The audio signal of the external mobile phones of mouthfuls 104 inputs amplifies, and by amplified audio signal input summer 201.Addition The output port of device 200 is also connect with another input port of adder 201, the output port and earphone microphone interface of adder 201 103 left and right acoustic channels output channel connection, adder 201 to adder 200 and handset port 104 transmission come audio signal into Row audio mixing is simultaneously exported by the left and right acoustic channels output channel (i.e. the first audio signal output end) of earphone microphone interface 103.

From the above, it can be seen that following functions may be implemented in the intelligent audio processing equipment of the present embodiment: Yong Huke To input voice, such as musical background sound that user speech can be exported with application processor 102 by earphone microphone interface 103 Frequency signal is exported by handset port 104 to external mobile phone after carrying out audio mixing, is drilled for external mobile phone application, such as live streaming accompaniment Sing, cry out the broadcasting of thrashing floor for wheat scape audio material etc.；External mobile phone, application processor 102 and the use being connect with handset port 104 Family voice can be exported by earphone microphone interface 103 and be monitored to user.The present embodiment intelligent audio processing equipment no longer needs to external As the intelligent electronic device or audio device of audio is provided, reduce user carry out network audio/video interactive during Number of devices simplifies equipment line, and can carry out the interaction of audio signal with external mobile phone.

Fig. 3 shows intelligent audio processing equipment physical circuit schematic diagram provided by another embodiment.

As shown in figure 3, the first audio signal input end and the configuration of the first audio signal output end are in an ear in the present embodiment In wheat interface 103, wherein the first audio signal input end is the microphone input channel of earphone microphone interface 103, the first audio signal Output end is the left and right acoustic channels output channel of earphone microphone interface 103.External headset is connect with earphone microphone interface 103, passes through the first audio The audio signal transmission that signal input part acquires headset microphone to intelligent audio processing equipment, intelligent audio processing equipment exports Audio signal two earphones of headset are transmitted to by the first audio signal output end.

In addition, the second audio signal input end and the configuration of the second audio signal output end are in a four-part form interface, this four Segmentation interface is handset port 104, wherein the second audio signal input end is the left and right acoustic channels input channel of handset port 104, Second audio signal output end is the microphone output channel of handset port 104.The earphone microphone interface and handset port of external mobile phone 104 connections, the audio signal transmission for being exported mobile phone earphone microphone interface by the second audio signal input end to intelligent audio are handled The audio signal of equipment, the output of intelligent audio processing equipment is connect by the headset that the second audio signal output end reaches external mobile phone Mouthful.In the present embodiment, handset port 104 is analog audio interface.

In the present embodiment, the first mixer circuit includes encoding and decoding mixer 101, and WM8776, WM8988 encoding and decoding can be selected Audio mixing chip, DSP digital mixer, FPGA digital mixer.Microphone input channel (i.e. the first audio of earphone microphone interface 103 Signal input part) it is connect by an amplifier 202 with an input port (in1) for encoding and decoding mixer 101, amplifier 202 is right The audio signal of input amplifies, and amplified audio signal is inputted encoding and decoding mixer 101.

Application processor 102 passes through its I²One numeral input/output port of the port S and encoding and decoding mixer 101 (ADC/DAC) it connects, the digital audio and video signals that application processor 102 exports can be counted by encoding and decoding mixer 101 Mould switchs to analog audio signal and is exported, the analogue audio frequency that encoding and decoding mixer 101 can input earphone microphone interface 103 Signal progress analog-to-digital conversion switchs to digital audio and video signals and is transferred to application processor 102.In the present embodiment, application program Processor 102 is connected with keyboard 301, optical sensor 302, SD card slot 303, touch screen 304, display screen 305, camera 306, indigo plant The application modules such as tooth wireless transceiver 307, infrared radio transceiver 308.Above-mentioned application module can be deleted according to actual needs Subtract, or the application module such as camera, radio frequency can be increased according to demand.

The audio signal that encoding and decoding mixer 101 inputs earphone microphone interface 103 and application processor 102 carries out audio mixing Processing, and the mixed signal after stereo process is exported through an output port (lineout), the output port and handset port 104 microphone output channel (i.e. the second audio signal output end) connection, so that mixed signal be exported by handset port 104 To external mobile phone.

In the present embodiment, the second mixer circuit is adder 201, the left and right acoustic channels input channel (i.e. the of handset port 104 Two audio signal input ends) it is connect by an amplifier 203 with an input port of adder 201, amplifier 203 connects mobile phone The audio signal of the external mobile phones of mouthfuls 104 inputs amplifies, and by amplified audio signal input summer 201.Compile solution An output port (hpout) for code mixer 101 is connect with another input port of adder 201, the output port (hpout) Export the mixed signal of earphone microphone interface 103 and application processor 102.Adder 201 is to this mixed signal and mobile phone The audio signal for the external mobile phone that interface 104 inputs carries out audio mixing and passes through the left and right acoustic channels output channel of earphone microphone interface 103 (i.e. First audio signal output end) output.

From the above, it can be seen that following functions may be implemented in the intelligent audio processing equipment of the present embodiment: Yong Huke To input voice by earphone microphone interface 103, user speech can be transferred to application processor 102 applied to related application journey Sequence, for example, wechat voice, sing K song etc.；Such as musical background that user speech can also be exported with application processor 102 Audio signal is exported by handset port 104 to external mobile phone after carrying out audio mixing, is drilled for external mobile phone application, such as live streaming accompaniment Sing, cry out the broadcasting of thrashing floor for wheat scape audio material etc.；External mobile phone, application processor 102 and the use being connect with handset port 104 Family voice can be exported by earphone microphone interface 103 and be monitored to user.The present embodiment intelligent audio processing equipment no longer needs to external As the intelligent electronic device or audio device of audio is provided, reduce user carry out network audio/video interactive during Number of devices simplifies equipment line.

In other embodiments, the first audio signal input end in the present embodiment and the first audio signal output end may be used also To configure in a wireless transceiver, wherein the first audio signal input end is the receiving end of wireless transceiver, the first audio letter Number output end is the transmitting terminal of wireless transceiver, and the output port of adder 201 and the input port of amplifier 202 pass through volume Decoding chip is connect with wireless transceiver.Specifically, the I2S input/output end port of wireless transceiver and codec chip The connection of ADC/DCA input/output port, an input port (in) for codec chip are connect with the output port of adder 201, An output port (hpout) for codec chip is connect with the input port of amplifier 202.Wireless transceiver can be bluetooth receipts Send out device, 2.4G wireless transceiver.

Fig. 4 shows intelligent audio processing equipment physical circuit schematic diagram provided by still another embodiment.

As shown in figure 4, the first audio signal input end is microphone interface 1031 in the present embodiment, the first audio signal is defeated Outlet is earphone interface 1032.As needed, the also settable route input interface of the first audio signal input end, the second audio letter Number also settable circuit output interface of output end.

In a USB interface, which is hand for second audio signal input end and the configuration of the second audio signal output end Machine interface 104, wherein the second audio signal input end is the port D+/D- of handset port 104, the second audio signal output end is The port ID of handset port 104.The earphone microphone interface of external mobile phone turns usb audio patchcord and handset port by a four-part form 104 connections.In the present embodiment, handset port 104 is analog audio interface.

In the present embodiment, the first mixer circuit includes encoding and decoding mixer 101 and codec 107.Codec 107 can WM8569 codec chip is selected, function is to carry out modulus and digital-to-analogue conversion, therefore according to actual needs, can also select mould The function of combining to realize codec 107 of number converter and digital analog converter.Microphone interface 1031 by amplifier 202 with An input port (in1) for codec 107 connects, and the audio signal of 202 microphone interface 1031 of amplifier input is put Greatly, and by amplified audio signal codec 107 is inputted.

In the present embodiment, codec 107 passes through at its numeral input/output port (port ADC/DAC) and an audio Manage circuit connection.After the audio signal progress analog-to-digital conversion of 107 microphone interface 1031 of codec input switchs to digital signal, It is transmitted to sound effect processing circuit and carries out audio effect processing, sound effect processing circuit will return by the audio signal back of audio effect processing and compile solution Code device 107.The present embodiment, sound effect processing circuit use sound effect processor 105, can select digital signal processor (Digital Signal Processor, abbreviation DSP) it realizes, such as CCM4022 sound effect processor, naturally it is also possible to rationally using other Circuit or device realize that the utility model is without being limited thereto.Sound effect processor 105 audio signal can be carried out include electric sound, One or more of audio effect processings of the change of voice, reverberation.

Codec 107 carries out digital-to-analogue conversion to the audio signal that sound effect processor 105 is fed back and switchs to analog signal Pass through its output port (lineout) output to encoding and decoding mixer 101, the output port and encoding and decoding mixer 101 afterwards One input port (in1) connection.

The I of one numeral input of encoding and decoding mixer 101/output port (ADC/DAC) and application processor 102²S Microphone signal through audio effect processing, can be transmitted to application processor 102 and receive application processor by port connection The audio signal of 102 outputs.Application processor 102 is connected with related application module, can refer to embodiment described in Fig. 2 and says Bright, details are not described herein.

The audio signal that encoding and decoding mixer 101 inputs codec 107 and application processor 102 carries out audio mixing Processing, and the mixed signal after stereo process is exported by an output port (lineout) to the microphone of handset port 104 Output channel, to export to external mobile phone.Mixed signal is also passed through another output port by encoding and decoding mixer 101 (hpout) it exports to adder 201, while the left and right acoustic channels input channel of handset port 104 passes through an amplifier 203 and addition Device 201 connects, the outside of mixed signal and the input of handset port 104 that adder 201 inputs encoding and decoding audio signal 101 The audio signal of mobile phone is exported after carrying out audio mixing by earphone interface 1032.

According to actual needs, intelligent audio processing equipment further includes key/Knob module 501 and controller 106, wherein Key/Knob module 501 includes several audio key/knobs for corresponding to specified audio and several volumes for being used to adjust volume Regulating key/knob, key/Knob module 501 are connect with controller 106, are corresponded to when user presses corresponding key or adjusts Knob after, controller 106 can generate corresponding control instruction according to the above-mentioned movement of user, and the control instruction is transmitted to It is attached thereto the first mixer circuit and/or sound effect processing circuit, is carried out with controlling the first mixer circuit and/or sound effect processing circuit Response.In the present embodiment, control 106 is preferably connect by SPI port with sound effect processor 105, passes through I²C port and volume solve Code mixer 101 and codec 107 connect.Certainly, according to actual needs, controller 106 and the first mixer circuit and audio Processing circuit can also use other reasonable connection types, and the utility model is without being limited thereto.In the present embodiment, controller 106 It is preferably realized using micro-control unit (Microcontroller Unit, abbreviation MCU), such as selects STM Series MCU.

It should be pointed out that according to actual needs, the utility model intelligent audio processing equipment can not configure key/knob Module 504 and controller 106, the first mixer circuit and sound effect processing circuit can be run according to preset parameter.

It can be seen from the above description that the present embodiment, which on the basis of Fig. 2 embodiment, is increased, carries out sound to audio signal The function of imitating processing, enriches the form of expression of audio signal.

Fig. 5 shows intelligent audio processing equipment physical circuit schematic diagram provided by another embodiment.

As shown in figure 5, the first audio signal input end and the configuration of the first audio signal output end are one or four in the present embodiment In segmentation interface, which is earphone microphone interface 103, wherein the first audio signal input end is the wheat of earphone microphone interface 103 Gram wind input channel, the first audio signal output end are the left and right acoustic channels output channel of earphone microphone interface 103.

The present embodiment intelligent audio processing equipment further includes audio transmission protocol conversion circuit and digital audio interface, number Audio interface is handset port 104, and the present embodiment audio transmission protocol conversion circuit uses USB audio controller 108, and mobile phone connects Mouth 104 is USB interface.Handset port 104 is connect with USB audio controller 108, and the second audio signal input end is handset port 104 synchronous input end point, the second audio signal output end are the synchronism output endpoint of handset port 104.USB audio controller 108 can select SSS1629, XMOS etc..The data transmission interface (USB interface) of handset port 104 and external mobile phone, computer USB interface connection, with external mobile phone or computer interactive audio signal.104 composition sound of USB audio controller 108 and handset port Card mold group is realized and carries out UAC audio signal transmission function between audio processing equipment and the data transmission interface of exterior terminal.? In other embodiments, audio transmission protocol conversion circuit can also use LAM mould group, and handset port 104 is connect using lightning Mouthful, handset port 104 is connect with the lightning data transmission interface of external mobile phone, and the second audio signal input end mobile phone connects The synchronous input end point of mouth 104, the second audio signal output end are the synchronism output endpoint of handset port 104.

In the present embodiment, the first mixer circuit includes encoding and decoding mixer 101, analog-digital converter 401, digital analog converter 402 and codec 107.The microphone input channel of earphone microphone interface 103 passes through amplifier 202 and encoding and decoding mixer 101 One input port (in1) connection.Audio output port (the I of application processor 102²S output end) turned by digital-to-analogue Parallel operation 402 is connect with another input port (aux) of encoding and decoding mixer 101, and the audio signal of application processor 102 is defeated Inbound port (I²S input terminal) it is connect by analog-digital converter 401 with an output port (1ineout) for encoding and decoding mixer 101, The output end (lineout) is also connect with an input port (in1) for codec 107 simultaneously.The one of encoding and decoding mixer 101 An output port (hpout) for output port (hpout) and codec 107 two input ports with adder 201 respectively It is correspondingly connected with, the output port of adder is connect with the left and right acoustic channels output channel of earphone microphone interface 103.Application processor 102 are connected with related application module, can refer to the explanation of embodiment described in Fig. 2, details are not described herein.

In the present embodiment, sound effect processing circuit includes sound effect processor 105 and data storage 601.Sound effect processor 105 It is connect with numeral input/output end (DAC/ADC) of encoding and decoding mixer 101, data storage 601 and sound effect processor 105 Connection, sound effect processor 105 can realize corresponding function by reading the corresponding data in data storage 601.

Control 106 is connect by SPI port with sound effect processor 105, and I is passed through²C port and encoding and decoding mixer 101 and Codec 107 connects, and key/Knob module 501 is connect with controller 106.

In the present embodiment, key/Knob module 501 includes several audio key/knobs for corresponding to specified audio, several For adjust volume volume adjustment button/knob and it is several for control sound effect processor 105 read data storage 601 in Scene audio data scene key/knob, scene key/knob by control sound effect processor 105 read data storage Scene audio data in device 601, and be transferred to the first mixer circuit, then exported, scene audio include gift song, applause, It slaps in the face, rattle away, disdaining, machine gun, small roars of laughter sound and big roars of laughter sound etc..

The first mixer circuit of the present embodiment realizes following functions: receiving the microphone signal that earphone microphone interface 103 inputs, carries out Input sound effect processor 105 carries out audio effect processing after ADC conversion, and what reception sound effect processor 105 was fed back passes through at audio The scene audio data that the microphone signal and/or sound effect processor 105 of reason are read, after carrying out DAC conversion, by its with apply journey The audio signal that the transmission of sequence processor 102 is come in carries out audio mixing, passes through USB audio controller 108 and handset port 104 after mixing It is transferred to external mobile phone and is transferred to application processor 102 and carry out interior record, while mixed signal is also transferred to adder 201, carry out adder 201 mixed signal and external mobile phone by the handset audio signal that handset port 104 inputs Audio mixing output is monitored.

It can be seen from the above description that the present embodiment intelligent audio processing equipment can carry out digital audio with external mobile phone Signal interaction can carry out audio effect processing to microphone signal, can provide scene audio data, can be by microphone signal, field The audio signal (such as accompaniment) that scape audio data and application processor 102 export is mixed output to external mobile phone and carries out Live streaming output, can be transferred to application processor 102 for above-mentioned mixed signal and carry out interior record, can also believe above-mentioned mixing Number and the audio signal of external mobile phone monitored, enrich the application scenarios of the application intelligent audio processing equipment.

In other embodiments, the second audio signal input end and the second audio signal output end can also be configured in a nothing In line transceiver, wherein the second audio signal input end is the receiving end of wireless transceiver, the second audio signal output end is nothing The transmitting terminal of line transceiver, the I of wireless transceiver²S input/output end port is connect with the port ADC/DAC of codec 107. Wireless transceiver can be bluetooth transceiver, 2.4G wireless transceiver.

Fig. 6 show and another embodiment provided by intelligent audio processing equipment structural schematic diagram.

As shown in fig. 6, intelligent audio processing equipment provided by the present embodiment further includes on the basis of the above embodiments The baseband processor connecting with application processor and the radio circuit and SIM card that connect respectively with baseband processor are read Device is taken, baseband processor is also connect with the first mixer circuit.Baseband processor is real for running mobile phone radio frequency the communication control software The communication function of existing intelligent audio processing equipment.

As shown in fig. 6, baseband processor includes Analog Baseband interconnected (ABB) and digital baseband (DBB), digital base Band is connect with SMI card reader, and Analog Baseband is connect with radio circuit, and radio circuit connects antenna.Baseband processor and application Connection between program processor can be realized by serial ports (UART), in improved embodiment can also by USB or SPI replaces UART.Baseband processor and application processor can also use the scheme of the two-in-one chip of SoC, between the two Communication rely on memory sharing.Since baseband processor realizes that the communication of communication function and itself and application processor is existing The routine techniques of some intelligent communication equipment, details are not described herein.

It is connect as shown in fig. 6, baseband processor also passes through Analog Baseband with the first mixer circuit, specifically, Analog Baseband An output port connect with an input port of the first mixer circuit, the input port and the first mixer circuit of Analog Baseband An output port connection.For example, by taking embodiment illustrated in fig. 4 as an example, the input port and volume of the Analog Baseband of the present embodiment An output port (lineout) for decoder 107 connects, and the microphone signal so as to input microphone interface 1031 inputs base band Processor, then sent by radio circuit and antenna；One output port of Analog Baseband and the one of encoding and decoding mixer 101 Input port (port aux) connection, the audio signal so as to receive antenna and radio circuit are inputted through baseband processor Encoding and decoding mixer 101 is exported after stereo process by earphone interface 1032 or handset port 104.

It can be seen from the above description that the present embodiment intelligent audio processing equipment can realize communication function, sound can be carried out Frequency is handled, and can also be communicated, and is realized " dual-use ".

It should be understood that embodiment disclosed in the utility model is not limited to specific structure disclosed herein, and answer When the equivalent substitute for extending to these features that those of ordinary skill in the related art are understood.It is to be further understood that herein The term used is used only for the purpose of describing specific embodiments, and is not intended to limit.

" one embodiment " or " embodiment " mentioned in specification means the special characteristic described in conjunction with the embodiments, structure Or characteristic includes at least one embodiment of the utility model.Therefore, the phrase " one that specification various places throughout occurs A embodiment " or " embodiment " might not refer both to the same embodiment.

Although above-mentioned example is for illustrating principle of the utility model in one or more application, for this field For technical staff, without departing substantially from the principles of the present invention and thought, hence it is evident that can in form, usage and reality Various modifications may be made in the details applied and does not have to make the creative labor.Therefore, the utility model by appended claims Lai It limits.

Claims

1. intelligent audio processing equipment characterized by comprising

First audio signal input end is used to obtain the audio signal of external devices；

Application processor, with Audio output port；

First mixer circuit, one input end mouth are connect with first audio signal input end, another input port with it is described The Audio output port of application processor connects, to believe the audio inputted from first audio signal input end Number and the audio signal that is exported from the Audio output port of the application processor carry out stereo process；And

Second audio signal output end is connect with an output port of first mixer circuit, for mixing described first The audio signal that sound circuit transmission is come is sent to corresponding external devices.

2. intelligent audio processing equipment according to claim 1, which is characterized in that an output of first mixer circuit Port is connect with the audio signal input end mouth of the application processor.

3. intelligent audio processing equipment according to claim 1, which is characterized in that first mixer circuit includes addition Device or encoding and decoding mixer.

4. intelligent audio processing equipment according to claim 1, which is characterized in that the intelligent audio processing equipment is also wrapped Sound effect processing circuit is included, is connect with first mixer circuit.

5. intelligent audio processing equipment according to claim 1-4, which is characterized in that the intelligent audio processing Equipment further include:

Second audio signal input end；

First audio signal output end；

Second mixer circuit, two input port respectively with the second audio signal input end and first mixer circuit one Output port is correspondingly connected with, and output port is connect with first audio signal output end.

6. intelligent audio processing equipment according to claim 5, which is characterized in that second audio signal input end and The second audio signal output end configuration is in same device；The device includes analog audio interface, digital audio interface Or wireless transceiver.

7. intelligent audio processing equipment according to claim 6, which is characterized in that the analog audio interface includes four sections Formula interface or USB interface, second audio signal input end are the left and right acoustic channels input terminal or described of the four-part form interface The end D+/D- of USB interface, second audio signal output end are the microphone output channel or described of the four-part form interface The end ID of USB interface.

8. intelligent audio processing equipment according to claim 6, which is characterized in that the digital audio interface includes USB Interface or lightning interface, second audio signal input end are the synchronization of the USB interface or lightning interface Input endpoint, second audio signal output end are the synchronism output endpoint of the USB interface or lightning interface.

9. intelligent audio processing equipment according to claim 4, which is characterized in that the intelligent audio processing equipment is also wrapped It includes:

Key/Knob module；

Controller is connect with the key/Knob module；

10. intelligent audio processing equipment according to claim 1-4, which is characterized in that at the intelligent audio Managing equipment further includes the application module connecting with the application processor, and the application module includes one or more of Structure:

Audio interface, touch screen, display screen, wireless transceiver, sensor, SD card slot, camera, keyboard, baseband processor.