CN106488357A - A kind of method and apparatus of COBBAIF conversion - Google Patents
A kind of method and apparatus of COBBAIF conversion Download PDFInfo
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- CN106488357A CN106488357A CN201510553079.5A CN201510553079A CN106488357A CN 106488357 A CN106488357 A CN 106488357A CN 201510553079 A CN201510553079 A CN 201510553079A CN 106488357 A CN106488357 A CN 106488357A
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Abstract
The method and apparatus for embodiments providing a kind of conversion of COBBAIF, device therein include：First audio processing modules, are connected with the first COBBAIF, for carrying out the first audio frequency process to the first audio signal that the first COBBAIF is gathered, obtain the first input signal；Second audio processing modules, are connected with the second COBBAIF, for carrying out the second audio frequency process to the second audio signal that the second COBBAIF is gathered, obtain the second input signal；Audio frequency merges module, is connected with first audio processing modules and the second audio processing modules, for merging to first input signal and the second input signal, obtains the 3rd input signal；And audio conversion module, merge module with the audio frequency and be connected, for the 3rd input signal is converted to data signal.The space of terminal can be saved by the embodiment of the present invention, reduce the volume of terminal.
Description
Technical field
The present invention relates to Audiotechnica field, more particularly to a kind of method of COBBAIF conversion and dress
Put.
Background technology
COBBAIF is the equipment for connecting microphone and other sound sources and computer, and which is analog- and digital-
The effect of bridge connection is served between signal.COBBAIF is generally input into front microphone, circuit
Use cooperatively with other a series of input equipments.
Common COBBAIF have multiple, including line_out (circuit output) audio port, phone_out
(voice output) audio port, blocking head XLR, PC (computer) Mike's delivery outlet etc., each sound
Frequency interface can all realize corresponding audio collection function.
In actual applications, terminal device is a kind of equipment required by volume, if set in the terminal
The more COBBAIF of standby middle setting, then can increase the volume of the terminal device.
Content of the invention
Embodiment of the present invention technical problem to be solved be provide a kind of conversion of COBBAIF method and
Device, can save the space of terminal, reduce the volume of terminal.
In order to solve the above problems, the invention discloses a kind of device of COBBAIF conversion, including：
First audio processing modules, are connected with the first COBBAIF, for gathered to the first COBBAIF
First audio signal carries out the first audio frequency process, obtains the first input signal；
Second audio processing modules, are connected with the second COBBAIF, for gathered to the second COBBAIF
Second audio signal carries out the second audio frequency process, obtains the second input signal；
Audio frequency merges module, is connected with first audio processing modules and the second audio processing modules,
For merging to first input signal and the second input signal, the 3rd input signal is obtained；And
Audio conversion module, merges module with the audio frequency and is connected, for turning the 3rd input signal
It is changed to data signal.
Preferably, first audio processing modules, including：
Amplifying circuit, is connected with first COBBAIF, for gathered first COBBAIF
First audio signal is amplified processing；
Differential-to-single-ended circuit, is connected with the amplifying circuit, for first after the enhanced processing
Audio signal carries out difference and turns single-ended process, obtains the first input signal.
Preferably, second audio processing modules, including：
Bleeder circuit, is connected with second COBBAIF, for gathered in second COBBAIF
When second audio signal is line output signal, voltage division processing is carried out to the line output signal, is obtained
Second input signal.
Preferably, the audio frequency merges module, including：
Adder, is connected with first audio processing modules and the second audio processing modules, for inciting somebody to action
First input signal merges process with the second input signal, obtains the 3rd input signal.
Preferably, the audio conversion module, including：
Analog and digital signal conversion chip, merges module with the audio frequency and is connected, for defeated by the described 3rd
Enter signal and be converted into data signal.
Preferably, described device also includes：
Biasing circuit, is connected with second COBBAIF, for gathered in second COBBAIF
When second audio signal is that computer Mike signal and the bleeder circuit are closed, to the electricity
Brain Mike signal carries out pressurized treatments, obtains the second input signal.
According to another aspect of the present invention, a kind of method that COBBAIF is changed is disclosed, including：
The first audio signal to the collection of the first COBBAIF carries out the first audio frequency process, obtains the first input
Signal；
The second audio signal to the collection of the second COBBAIF carries out the second audio frequency process, obtains the second input
Signal；
First input signal and the second input signal are merged, obtains the 3rd input signal；
3rd input signal is converted to data signal.
Preferably, first audio signal to the collection of the first COBBAIF carries out the first audio frequency process,
The step of obtaining the first input signal, including：
The first audio signal that first COBBAIF is gathered is amplified processing；
Difference is carried out to the first audio signal after the enhanced processing and turns single-ended process, obtain the first input
Signal.
Preferably, second audio signal to the collection of the second COBBAIF carries out the second audio frequency process,
The step of obtaining the second input signal, including：
When the second audio signal of second COBBAIF collection is line output signal, to the line
Road output signal carries out voltage division processing, obtains the second input signal.
Preferably, described first input signal and the second input signal are merged, obtain the 3rd
The step of input signal, including：
Process is merged to first input signal and the second input signal by adder, obtains the
Three input signals.
Preferably, described the step of 3rd input signal is converted to data signal, including：
Conversion process is carried out to the 3rd input signal by analog and digital signal conversion chip, will be described
3rd input signal is converted into data signal.
Preferably, methods described also includes：
It is computer Mike signal and the partial pressure in the second audio signal of second COBBAIF collection
When circuit is closed, pressurized treatments are carried out to the computer Mike signal, obtain the second input letter
Number.
Compared with prior art, the embodiment of the present invention includes advantages below：
The embodiment of the present invention is by the first COBBAIF and the second COBBAIF, you can realize the various sounds of collection
The process of frequency signal, in a particular application, arranges both COBBAIFs in terminal, without will be per
Individual COBBAIF is all listed in terminal, such that it is able to save the space of terminal, reduces the volume of terminal.
Description of the drawings
Fig. 1 shows a kind of structured flowchart of the device embodiment of COBBAIF conversion of the present invention；
Fig. 2 shows a kind of electrical block diagram of first audio processing modules of the present invention；
Fig. 3 shows a kind of electrical block diagram of second audio processing modules of the present invention；
Fig. 4 shows a kind of structural representation of biasing circuit of the present invention；
Fig. 5 shows that a kind of audio frequency of the present invention merges the structural representation of module；And
The step of Fig. 6 shows a kind of embodiment of the method for COBBAIF conversion of present invention flow chart.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, with reference to attached
The present invention is further detailed explanation with specific embodiment for figure.
Embodiment one
With reference to Fig. 1, a kind of structural frames of the device embodiment of COBBAIF conversion of the present invention are shown
Figure, can specifically include：First audio processing modules 110, the second audio processing modules 120, audio frequency
Merge module 130 and audio conversion module 140；
First audio processing modules 110
In actual applications, first audio processing modules 110, can be connected with the first COBBAIF,
For the first audio frequency process being carried out to the first audio signal that the first COBBAIF is gathered, obtain the first input
Signal；
The embodiment of the present invention can be applicable to the audio/video conference system of multiplex roles, the audio collection system of specialty
System, and the mutual phase transformation acquisition system of various COBBAIFs etc..In embodiments of the present invention, with
For illustrating as a example by blocking head, the blocking head can connect microphone to one COBBAIF, can be used to adopt
First audio signal of collection microphone output.Certainly, using blocking head as the first COBBAIF, only
A kind of application example of the present invention, in actual applications, can be as needed flexibly from other types of
First COBBAIF, further, it is also possible to the quantity of the first COBBAIF is flexibly set according to actual needs,
For example when two blocking heads are arranged, two microphones can be connected, the present invention is for the first COBBAIF
Type and quantity be not any limitation as.
After the first audio signal for receiving the collection of the first COBBAIF, the first audio processing modules
110 can carry out the first audio frequency process to first audio signal, obtain the first input signal so that
Different types of first audio signal gathered by the first COBBAIF can be converted to and meet unified mark
The first accurate input signal.
In one preferred embodiment of the invention, first audio processing modules 110, specifically permissible
Including：
Amplifying circuit, is connected with first COBBAIF, for gathered first COBBAIF
First audio signal is amplified processing；
Differential-to-single-ended circuit, is connected with the amplifying circuit, for first after the enhanced processing
Audio signal carries out difference and turns single-ended process, obtains the first input signal.
With reference to Fig. 2, a kind of electrical block diagram of first audio processing modules of the present invention is shown.
Wherein, the first COBBAIF can include two blocking heads, and blocking head generally has a pair of audio input line
(positive pole and negative pole), as shown in Fig. 2 two blocking heads are respectively blocking head 1 (including positive pole MIC_1+
With negative pole MIC_1-), blocking head 2 (including positive pole MIC_2+ and negative pole MIC_2-), by this two
Individual blocking head can access two-way microphone signal.
Wherein, a pair of audio input line MIC_2+ and MIC_2- of blocking head 2, respectively with electric capacity C685
After C687 and resistance R198 and R196 series connection, then it is input into two of operational amplifier U36
End be connected, blocking head 2 gather the first audio signal after the process of operational amplifier U36, from
The output end output of U36, obtains the first input signal after amplifying and difference turns single-ended process
MIC2_OUT.Wherein, U36 and coupled resistance and electric capacity have collectively constituted amplification, poor
Divide and turn single-end circuit, wherein, the positive and negative polarities of two inputs of U36, input signal is made the difference respectively
Value is processed, and inside becomes single-ended signal, then according to negative-feedback amplification coefficient (R195/R191), defeated
Go out end output and be multiplied by the single-ended signal after amplification coefficient amplifies.Amplification, differential-to-single-ended circuit will balance defeated
After the first audio signal for entering is amplified and difference turns single-ended process, the first audio signal is changed
The first input signal for linear level.It is for the processing procedure of blocking head 1, identical with blocking head 2,
A pair of audio input line MIC_1+ and MIC_1- of blocking head 1, respectively with electric capacity C689 and C690,
And after resistance R199 and R201 series connection, then be connected with two inputs of operational amplifier NE5532,
Blocking head 1 gather the first audio signal after the process of operational amplifier NE5532, from NE5532
Output end output, through amplification and difference turn single-ended process after obtain the first input signal
MIC1_OUT.
Second audio processing modules 120
Second audio processing modules 120, can be connected with the second COBBAIF, for connecing to the second audio frequency
Second audio signal of mouth collection carries out the second audio frequency process, obtains the second input signal；
In embodiments of the present invention, illustrate so that the second COBBAIF is for lotus flower head as an example, the lotus flower
Head can connect multiple COBBAIFs, can be used for circuit output (line_out) signal of collection standard, sound
Sound exports second audio signal such as (phone_out) signal and computer (PC) Mike's output signal.Can
To understand, using lotus flower head as the second COBBAIF, a kind of only application example of the present invention, in reality
In the application of border, flexibly other types of COBBAIF can be selected as needed, further, it is also possible to arrange
The quantity of the second COBBAIF, the present invention are not limited for the type of the second COBBAIF and quantity
System.
After the second audio signal for receiving the collection of the second COBBAIF, the second audio processing modules
110 can carry out the second audio frequency process to second audio signal, obtain the second input signal so that
Different types of second audio signal gathered by the second COBBAIF can be converted to and meet unified mark
The second accurate input signal.
In one preferred embodiment of the invention, second audio processing modules 120, specifically permissible
Including：
Bleeder circuit, is connected with second COBBAIF, for gathered in second COBBAIF
When second audio signal is line output signal, voltage division processing is carried out to the line output signal, is obtained
Second input signal.
With reference to Fig. 3, a kind of electrical block diagram of second audio processing modules of the present invention is shown.
Specifically, as shown in figure 3, RCA is lotus flower head, resistance R295, R296 and electric capacity C826 are constituted
First group of bleeder circuit, resistance R297, R298 and electric capacity C827 constitute second group of bleeder circuit, RCA
Two plugs be connected respectively at first group of bleeder circuit and second group of bleeder circuit.Due in practical application
In typically left and right acoustic channels input, therefore the present invention adopt two groups of bleeder circuits, i.e., 2 sound channels respectively need
One bleeder circuit carries out partial pressure.
When the second audio signal of second COBBAIF collection is line_out signal, in order to prevent
The linear level overtension of outside input and exceed analog and digital signal conversion chip (audio A/D chip)
Input voltage receive scope, the level of line_out signal can be reduced using bleeder circuit.
When the second audio signal of second COBBAIF collection is phone_out signal, because the letter
Number voltage very little, prevailing transmission is current signal, it is not required that bleeder circuit is used, and therefore, can
With the switch SW5 in closing Fig. 3 and SW6, the voltage divide function of bleeder circuit is closed so that phone_out
Signal can be directly entered audio A/D chip.
In one preferred embodiment of the invention, described device can also include：
Biasing circuit, is connected with second COBBAIF, for gathered in second COBBAIF
When second audio signal is that computer Mike signal and the bleeder circuit are closed, to the electricity
Brain Mike signal carries out pressurized treatments, obtains the second input signal.
Specifically, when the second audio signal in second COBBAIF collection is PC Mike's signal,
Because the signal voltage is less, and needs the bias voltage of an outside 3V, partial pressure is being closed
While circuit, in addition it is also necessary to control audio A/D chip to open MICBIAS function, to microphone power.
With reference to Fig. 4, a kind of structural representation of biasing circuit of the present invention is shown, it illustrates audio A/D
The importation circuit (including connecting 2 holding wires of pin 14 and 16) of chip and MICBIAS
Connected mode；Wherein, pin 14 and 16 can be audio frequency left and right acoustic channels collection terminal, and pin 15 is permissible
The bias voltage of microphone is connect, the output of the bias voltage can pass through software mode control by the inside of chip
System, sends order to the chip when external linear signal or phone_out signal and closes bias voltage
Output, then can send order to audio A/D chip when external PC microphone signal and open biased electrical
The output of pressure.
Audio frequency merges module 130
Audio frequency merges module 130, with first audio processing modules and the second audio processing modules phase
Even, for merging to first input signal and the second input signal, the 3rd input signal is obtained；
In one preferred embodiment of the invention, the audio frequency merges module 130, can specifically include：
Adder, is connected with first audio processing modules and the second audio processing modules, for inciting somebody to action
First input signal merges process with the second input signal, obtains the 3rd input signal.
With reference to Fig. 5, show that a kind of audio frequency of the present invention merges the structural representation of module.Wherein,
MIC1_OUT and MIC2_OUT are the first audio signal to two blocking head collections through the first sound
Frequency is processed, the first input signal of two for obtaining, wherein, the second sound that LINE_IN is gathered for lotus flower head
Frequency signal, wherein, LINE_IN can include line_out signal, phone_out signal and PC Mike
Output signal etc..
As shown in Figure 5, it is possible to use adder by the first input signal MIC1_OUT and
MIC2_OUT and the second input signal LINE_IN are combined, and obtain the 3rd input signal
MIC_IN can be input into audio A/D chip by MIC_IN.Specifically, input is above-mentioned several
Signal is connected in parallel, as long as the series resistance of dead end signal is equal to the resistance of negative feedback resistor, then this
A few road input signals will be to be added summation, and its addition result is exported in output end.
Audio conversion module 140
Audio conversion module 140, merges module with the audio frequency and is connected, for believing the described 3rd input
Number be converted to data signal.
The audio conversion module can be audio A/D chip, for converting analog signals into digital letter
Number.
In a kind of application example of the present invention, the present invention can be applied and regard the aurora series of networked terminals
In, as aurora series terminal is mainly used in high-end video meeting or video directing center, various sounds
Frequency kind of interface is various, for example, have card agriculture to be input into, and notebook phone_out is input into, line_out input etc.
Deng the work of external audio signal conversion by the embodiment of the present invention, will be greatlyd save, and eliminate one big
Heap audio frequency apparatus, a variety of signals can be directly accessed terminal, are ultimately to be incorporated into together or distinguish
It is transmitted and plays.
In the embodiment of the present invention, by carrying out the first sound to the first audio signal that the first COBBAIF is gathered
Frequency is processed, and obtains the first input signal, and the second audio signal to the collection of the second COBBAIF carries out second
Audio frequency process, obtains the second input signal, then by the first input signal and the second input signal through being closed
And operate, the 3rd input signal is obtained, finally the 3rd input signal is converted into data signal, so as to can
To carry out subsequent treatment.Therefore, the embodiment of the present invention passes through the first COBBAIF and the second COBBAIF,
The process of the various audio signals of collection is can achieve, in a particular application, both audio frequency is set in terminal
Interface, without each COBBAIF is listed in terminal, such that it is able to save the space of terminal,
Reduce the volume of terminal.
Embodiment two
With reference to Fig. 6, show the present invention a kind of conversion of COBBAIF embodiment of the method the step of flow process
Figure, can specifically include：
Step 601, the first audio signal to the collection of the first COBBAIF carry out the first audio frequency process, obtain
To the first input signal；
Step 602, the second audio signal to the collection of the second COBBAIF carry out the second audio frequency process, obtain
To the second input signal；
Step 603, first input signal and the second input signal are merged, obtain the 3rd defeated
Enter signal；
Step 604, the 3rd input signal is converted to data signal.
In one preferred embodiment of the invention, the first audio frequency letter to the collection of the first COBBAIF
Number the first audio frequency process is carried out, the step of obtain the first input signal, can specifically include：
The first audio signal that first COBBAIF is gathered is amplified processing；
Difference is carried out to the first audio signal after the enhanced processing and turns single-ended process, obtain the first input
Signal.
In another preferred embodiment of the invention, second audio frequency to the collection of the second COBBAIF
Signal carries out the second audio frequency process, the step of obtain the second input signal, can specifically include：
When the second audio signal of second COBBAIF collection is line output signal, to the line
Road output signal carries out voltage division processing, obtains the second input signal.
In another preferred embodiment of the present invention, described to first input signal and second input
Signal is merged, and the step of obtain three input signals, can specifically be included：
Process is merged to first input signal and the second input signal by adder, obtains the
Three input signals.
In the still another preferable embodiment of the present invention, described 3rd input signal is converted to numeral
The step of signal, can specifically include：
Conversion process is carried out to the 3rd input signal by analog and digital signal conversion chip, will be described
3rd input signal is converted into data signal.
In the still another preferable embodiment of the present invention, methods described can also include：
It is computer Mike signal and the partial pressure in the second audio signal of second COBBAIF collection
When circuit is closed, pressurized treatments are carried out to the computer Mike signal, obtain the second input letter
Number.
For embodiment of the method, due to itself and device embodiment basic simlarity, so the comparison of description
Simply, related part is illustrated referring to the part of device embodiment.
Each embodiment in this specification is all described by the way of going forward one by one, and each embodiment is stressed
Be all difference with other embodiment, between each embodiment identical similar part mutually referring to
?.
Those skilled in the art are it should be appreciated that the embodiment of the embodiment of the present invention can be provided as method, dress
Put or computer program.Therefore, the embodiment of the present invention can using complete hardware embodiment, completely
Software implementation or with reference to software and hardware in terms of embodiment form.And, the embodiment of the present invention
Can adopt and can be situated between with storage in one or more computers for wherein including computer usable program code
The upper computer journey that implements of matter (including but not limited to magnetic disc store, CD-ROM, optical memory etc.)
The form of sequence product.
The embodiment of the present invention is with reference to method according to embodiments of the present invention, terminal device (system) and to count
The flow chart of calculation machine program product and/or block diagram are describing.It should be understood that can be by computer program instructions
Each flow process and/or square frame and flow chart and/or square frame in flowchart and/or block diagram
The flow process of in figure and/or the combination of square frame.Can provide these computer program instructions to all-purpose computer,
The processor of special-purpose computer, Embedded Processor or other programmable data processing terminal equipments is to produce
One machine so that by the computing device of computer or other programmable data processing terminal equipments
Instruction produce for realizing in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or
The device of the function of specifying in multiple square frames.
These computer program instructions may be alternatively stored in and computer or other programmable datas can be guided to process
In the computer-readable memory that terminal device is worked in a specific way so that be stored in the computer-readable
Instruction in memory is produced and includes the manufacture of command device, and the command device is realized in flow chart one
The function of specifying in flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions can also be loaded into computer or other programmable data processing terminals set
Standby upper so as to execute series of operation steps on computer or other programmable terminal equipments in terms of producing
The process that calculation machine is realized, the instruction so as to execute on computer or other programmable terminal equipments provide use
In realization in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames
The step of function of specifying.
The preferred embodiment of the embodiment of the present invention is although had been described for, but those skilled in the art are once
Basic creative concept is known, then other change and modification can be made to these embodiments.So,
Claims are intended to be construed to include preferred embodiment and fall into the institute of range of embodiment of the invention
Have altered and change.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relation art
Language is used merely to make a distinction an entity or operation with another entity or operation, and not necessarily
Require or imply between these entities or operation, there is any this actual relation or order.And
And, term " including ", "comprising" or its any other variant are intended to including for nonexcludability, from
And cause to include that process, method, article or the terminal device of a series of key elements not only include that those will
Element, but also other key elements including being not expressly set out, or also include for this process, side
The intrinsic key element of method, article or terminal device.In the absence of more restrictions, by sentence
The key element that "including a ..." is limited, it is not excluded that in the process including the key element, method, thing
Also there is other identical element in product or terminal device.
Above to a kind of method and apparatus of COBBAIF conversion provided by the present invention, carry out in detail
Introduce, specific case used herein is set forth to the principle of the present invention and embodiment, with
The explanation of upper embodiment is only intended to help and understands the method for the present invention and its core concept；Meanwhile, right
In one of ordinary skill in the art, according to the thought of the present invention, in specific embodiment and application model
Place and all will change, in sum, this specification content should not be construed as the limit to the present invention
System.
Claims (12)
1. the device that a kind of COBBAIF is changed, it is characterised in that include：
First audio processing modules, are connected with the first COBBAIF, for gathered to the first COBBAIF
First audio signal carries out the first audio frequency process, obtains the first input signal；
Second audio processing modules, are connected with the second COBBAIF, for gathered to the second COBBAIF
Second audio signal carries out the second audio frequency process, obtains the second input signal；
Audio frequency merges module, is connected with first audio processing modules and the second audio processing modules,
For merging to first input signal and the second input signal, the 3rd input signal is obtained；And
Audio conversion module, merges module with the audio frequency and is connected, for turning the 3rd input signal
It is changed to data signal.
2. device as claimed in claim 1, it is characterised in that first audio processing modules,
Including：
Amplifying circuit, is connected with first COBBAIF, for gathered first COBBAIF
First audio signal is amplified processing；
Differential-to-single-ended circuit, is connected with the amplifying circuit, for first after the enhanced processing
Audio signal carries out difference and turns single-ended process, obtains the first input signal.
3. device as claimed in claim 1, it is characterised in that second audio processing modules,
Including：
Bleeder circuit, is connected with second COBBAIF, for gathered in second COBBAIF
When second audio signal is line output signal, voltage division processing is carried out to the line output signal, is obtained
Second input signal.
4. device as claimed in claim 1, it is characterised in that the audio frequency merges module, including：
Adder, is connected with first audio processing modules and the second audio processing modules, for inciting somebody to action
First input signal merges process with the second input signal, obtains the 3rd input signal.
5. device as claimed in claim 1, it is characterised in that the audio conversion module, including：
Analog and digital signal conversion chip, merges module with the audio frequency and is connected, for defeated by the described 3rd
Enter signal and be converted into data signal.
6. device as claimed in claim 3, it is characterised in that described device also includes：
Biasing circuit, is connected with second COBBAIF, for gathered in second COBBAIF
When second audio signal is that computer Mike signal and the bleeder circuit are closed, to the electricity
Brain Mike signal carries out pressurized treatments, obtains the second input signal.
7. a kind of method that COBBAIF is changed, it is characterised in that methods described includes：
The first audio signal to the collection of the first COBBAIF carries out the first audio frequency process, obtains the first input
Signal；
The second audio signal to the collection of the second COBBAIF carries out the second audio frequency process, obtains the second input
Signal；
First input signal and the second input signal are merged, obtains the 3rd input signal；
3rd input signal is converted to data signal.
8. method as claimed in claim 7, it is characterised in that described first COBBAIF is gathered
The first audio signal carry out the first audio frequency process, the step of obtain the first input signal, including：
The first audio signal that first COBBAIF is gathered is amplified processing；
Difference is carried out to the first audio signal after the enhanced processing and turns single-ended process, obtain the first input
Signal.
9. method as claimed in claim 7, it is characterised in that described second COBBAIF is gathered
The second audio signal carry out the second audio frequency process, the step of obtain the second input signal, including：
When the second audio signal of second COBBAIF collection is line output signal, to the line
Road output signal carries out voltage division processing, obtains the second input signal.
10. method as claimed in claim 7, it is characterised in that described to first input signal
Merge with the second input signal, the step of obtain three input signals, including：
Process is merged to first input signal and the second input signal by adder, obtains the
Three input signals.
11. methods as claimed in claim 7, it is characterised in that described by the 3rd input signal
The step of being converted to data signal, including：
Conversion process is carried out to the 3rd input signal by analog and digital signal conversion chip, will be described
3rd input signal is converted into data signal.
12. methods as claimed in claim 9, it is characterised in that methods described also includes：
It is computer Mike signal and the partial pressure in the second audio signal of second COBBAIF collection
When circuit is closed, pressurized treatments are carried out to the computer Mike signal, obtain the second input letter
Number.
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| CN108965225A (en) * | 2017-12-21 | 2018-12-07 | 北京视联动力国际信息技术有限公司 | Data processing method turns server and view networked terminals depending on networking association |
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