CN108446094A - Audio collection circuit, terminal device, audio collection method and device - Google Patents
Audio collection circuit, terminal device, audio collection method and device Download PDFInfo
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- CN108446094A CN108446094A CN201810259962.7A CN201810259962A CN108446094A CN 108446094 A CN108446094 A CN 108446094A CN 201810259962 A CN201810259962 A CN 201810259962A CN 108446094 A CN108446094 A CN 108446094A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
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Abstract
The disclosure is directed to audio collection circuit, terminal device, audio collection method and devices.The audio collection circuit includes：Processor is connected with switch unit；Earphone jack is connected with earphone Mike's control module；First Mike and earphone Mike control module are connected with one end of switch unit respectively, and the other end of switch unit is connected with the second analog-digital converter；First Mike is also connected with the first analog-digital converter；Second Mike is connected with third analog-digital converter and the 4th analog-digital converter respectively；Switch unit is used for when detecting that earphone jack has earphone insertion, the circuit between earphone Mike control module and the second analog-digital converter is connected, and disconnect the circuit between the first Mike and the second analog-digital converter；In other cases, switch unit is used to that the circuit between the first Mike and the second analog-digital converter to be connected, and disconnects the circuit between earphone Mike and the second analog-digital converter.
Description
Technical field
This disclosure relates to field of communication technology more particularly to audio collection circuit, terminal device, audio collection method and dress
It sets.
Background technology
Due to bimodulus number converter (Analog-to-Digital Converter, referred to as：ADC recording scheme) can
Effectively to improve dynamic range, to keep recording effect more preferable, therefore it is widely used in mobile phone recording.The double ADC of generally use
Scheme recording need two microphones, a main Mike and a top Mike, wherein for recording, top Mike uses main Mike
In elimination ambient noise, and each microphone is required for two ADC, in this way using needs 4 when the scheme recording of double ADC
ADC。
Invention content
To overcome the problems in correlation technique, the embodiment of the present disclosure provides audio collection circuit, terminal device, audio
Acquisition method and device.The technical solution is as follows：
According to the first aspect of the embodiments of the present disclosure, a kind of audio collection circuit is provided, including：
Processor, codec, switch unit, earphone Mike control module, earphone jack and for realizing double modulus
The first Mike and the second Mike of converter ADC audio collection functions；
The codec includes：First analog-digital converter, the second analog-digital converter, third analog-digital converter and the 4th mould
Number converter；
The processor is connected with the switch unit；
The earphone jack is connected with the earphone Mike control module；
First Mike and the earphone Mike control module are connected with one end of the switch unit respectively, described
The other end of switch unit is connected with second analog-digital converter；
First Mike is also connected with first analog-digital converter；
Second Mike is connected with the third analog-digital converter and the 4th analog-digital converter respectively；
The processor is used for when detecting that earphone jack has earphone insertion, controls the switch unit for institute to be connected
The circuit between earphone Mike control module and second analog-digital converter is stated, and disconnects first Mike and described second
Circuit between analog-digital converter；In other cases, the switch unit is controlled for first Mike and described to be connected
Circuit between second analog-digital converter, and disconnect the circuit between the earphone Mike and second analog-digital converter.
The technical scheme provided by this disclosed embodiment can include the following benefits：Processor is connected with switch unit
It connects；Earphone jack is connected with earphone Mike's control module；First Mike and earphone Mike control module respectively with switch unit
One end be connected, the other end of switch unit is connected with the second analog-digital converter；First Mike also with the first analog-to-digital conversion
Device is connected；Second Mike is connected with third analog-digital converter and the 4th analog-digital converter respectively；Switch unit is for examining
When measuring earphone jack has earphone insertion, the circuit between earphone Mike control module and the second analog-digital converter is connected, and break
Open the circuit between the first Mike and the second analog-digital converter；In other cases, switch unit for be connected the first Mike and
Circuit between second analog-digital converter, and disconnect the circuit between earphone Mike and the second analog-digital converter.It is cut by increasing
Change unit so that earphone Mike control module and the first Mike can be multiplexed the same analog-digital converter, thus not only can be real
The audio frequency process function of existing earphone can also realize double ADC audio collection functions.
In one embodiment, the circuit further includes：Earphone control module for controlling ear-phone function；
The earphone jack is also connected with the earphone control module；The earphone control module is used for detecting
When stating earphone jack has earphone insertion, into the first operating mode, in other cases, into the second operating mode.
In one embodiment, the circuit further includes：Third Mike, the codec further include handover module；
Second Mike be connected respectively with the third analog-digital converter and the 4th analog-digital converter including：
Second Mike and the third Mike are connected with one end of the handover module respectively, the handover module
The other end be connected with the 4th analog-digital converter；
Second Mike is also connected with the third analog-digital converter；
The handover module is used for when first Mike and second Mike execute double ADC audio collection functions,
The circuit between second Mike and the 4th analog-digital converter is connected in control, and disconnects the third Mike and described the
Circuit between four analog-digital converters；In other situations, the third Mike and the 4th analog-digital converter is connected in control
Between circuit, and disconnect the circuit between second Mike and the 4th analog-digital converter.
According to the second aspect of the embodiment of the present disclosure, a kind of terminal device is provided, including described in any of the above-described embodiment
Audio collection circuit.
According to the third aspect of the embodiment of the present disclosure, a kind of audio collection method is provided, the method is applied to above-mentioned reality
The terminal device described in example is applied, the method includes：
Control terminal equipment enters standby mode, and the standby mode includes：First wheat is connected in the switch unit
Circuit gram between second analog-digital converter, disconnects the electricity between the earphone Mike and second analog-digital converter
Road, earphone control module enter the first operating mode；
Monitor whether that earphone is inserted into earphone jack；
When having monitored that earphone is inserted into the earphone jack, controls the terminal device and switched to from the standby mode
Headset mode, and control the earphone and carry out audio frequency process；The headset mode includes：The earphone is connected in the switch unit
Circuit between Mike and second analog-digital converter disconnects between first Mike and second analog-digital converter
Circuit, earphone control module switch to the second operating mode from first operating mode；
When monitoring that the earless machine transplanting of rice enters the earphone jack constantly, detect whether to receive audio collection indicator；
When detection receives the audio collection indicator, controls first Mike and second Mike executes
Double ADC audio collections functions.
The technical scheme provided by this disclosed embodiment can include the following benefits：Control terminal equipment enters standby
Pattern, standby mode include：The circuit between the first Mike and the second analog-digital converter is connected in switch unit, disconnects earphone Mike
And the second circuit between analog-digital converter, earphone control module enter the first operating mode；When monitored earphone be inserted into ear
When machine transplanting of rice hole, control terminal equipment switches to headset mode from standby mode, and controls earphone and carry out audio frequency process；Headset mode
Including：The circuit between earphone Mike and the second analog-digital converter is connected in switch unit, disconnects the first Mike and the second modulus turns
Circuit between parallel operation, earphone control module switch to the second operating mode from the first operating mode；When monitoring the earless machine transplanting of rice
Enter earphone jack constantly, and detection controls the first Mike and the second Mike executes double ADC when receiving audio collection indicator
Audio collection function.Wherein, earphone Mike control module and the first Mike can be multiplexed the same analog-digital converter, to not only
The audio frequency process function that earphone may be implemented can also realize double ADC audio collection functions.
In one embodiment, the method further includes：
When monitoring that the earphone detaches with the earphone jack, control switches to the standby mould from the headset mode
Formula.
In one embodiment, described when detection receives the audio collection indicator, control first wheat
Gram and second Mike execute double ADC audio collection functions, including：
When detection receives the audio collection indicator, second Mike and the 4th modulus is connected in control
Circuit between converter, and disconnect the circuit between the third Mike and the 4th analog-digital converter；
It controls first Mike and second Mike executes double ADC audio collection functions.
In one embodiment, the method further includes：
When detection receives the audio collection command for stopping, the third Mike and the 4th modulus is connected in control
Circuit between converter, and disconnect the circuit between second Mike and the 4th analog-digital converter.
According to the fourth aspect of the embodiment of the present disclosure, a kind of audio collecting device is provided, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
Control terminal equipment enters standby mode, and the standby mode includes：First wheat is connected in the switch unit
Circuit gram between second analog-digital converter, disconnects the electricity between the earphone Mike and second analog-digital converter
Road, earphone control module enter the first operating mode；
Monitor whether that earphone is inserted into earphone jack；
When having monitored that earphone is inserted into the earphone jack, controls the terminal device and switched to from the standby mode
Headset mode, and control the earphone and carry out audio frequency process；The headset mode includes：The earphone is connected in the switch unit
Circuit between Mike and second analog-digital converter disconnects between first Mike and second analog-digital converter
Circuit, earphone control module switch to the second operating mode from first operating mode；
When monitoring that the earless machine transplanting of rice enters the earphone jack constantly, detect whether to receive audio collection indicator；
When detection receives the audio collection indicator, controls first Mike and second Mike executes
Double ADC audio collections functions.
According to a fifth aspect of the embodiments of the present disclosure, a kind of computer readable storage medium is provided, calculating is stored thereon with
Machine instructs, when which is executed by processor the step of any one of realization first aspect the method.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is the schematic diagram according to the audio collection circuit shown in an exemplary embodiment.
Fig. 2 is the schematic diagram according to the audio collection circuit shown in an exemplary embodiment.
Fig. 3 is the schematic diagram according to the audio collection circuit shown in an exemplary embodiment.
Fig. 4 is the schematic diagram according to the audio collection circuit shown in an exemplary embodiment.
Fig. 5 is the schematic diagram according to the audio collection circuit shown in an exemplary embodiment.
Fig. 6 is the flow chart according to the audio collection method shown in an exemplary embodiment.
Fig. 7 is a kind of flow chart of audio collection method shown according to an exemplary embodiment.
Fig. 8 is a kind of block diagram for audio collecting device 80 shown according to an exemplary embodiment.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is according to the schematic diagram of the audio collection circuit shown in an exemplary embodiment, as shown in Figure 1, the audio is adopted
Collector includes：
It processor 11, codec 12, switch unit 13, earphone Mike control module 14, earphone jack 15 and is used for
Realize the first Mike 16 and the second Mike 17 of bimodulus number converter ADC audio collection functions；
Codec 12 includes：First analog-digital converter 121, the second analog-digital converter 122, third analog-digital converter 123
With the 4th analog-digital converter 124；
The processor 11 is connected with the switch unit 13；
Earphone jack 15 is connected with earphone Mike control module 14；
First Mike 16 and earphone Mike control module 14 are connected with one end of switch unit 13 respectively, switch unit 13
The other end be connected with the second analog-digital converter 122；
First Mike 16 is also connected with the first analog-digital converter 121；
Second Mike 17 is connected with third analog-digital converter 123 and the 4th analog-digital converter 124 respectively；
Processor 11 is used for when detecting that earphone jack 15 has earphone insertion, and control switch unit 13 is for being connected earphone
Circuit between Mike's control module 14 and the second analog-digital converter 122, and disconnect the first Mike 16 and the second analog-digital converter
Circuit between 122；In other cases, control switch unit 13 is for being connected the first Mike 16 and the second analog-digital converter
Circuit between 122, and disconnect the circuit between earphone Mike and the second analog-digital converter 122.
There are 4 analog-digital converters in above-mentioned audio collection circuit, can be thus the first Mike 16 and the second Mike 17
Two analog-digital converters are distributed respectively, to realize double ADC audio collection functions by the first Mike 16 and the second Mike 17, but
Be in circuit also have earphone Mike control module 14, the earphone control module when detecting that earphone jack 15 has earphone insertion,
Just it needs to be connected with the second analog-digital converter 122, to realize earpiece audio processing function.
Therefore, in the disclosure, can be the first Mike 16 and the second analog-digital converter of earphone Mike module reuse 122, specifically
The multiplexing of the second analog-digital converter 122 is realized by switch unit 13, but in default situations, switch unit 13 is for being connected
Circuit between first Mike 16 and the second analog-digital converter 122, and disconnect between earphone Mike and the second analog-digital converter 122
Circuit.Only when detecting that earphone jack 15 has earphone insertion, earphone Mike's function, therefore switch unit can be used at this time
13 can just be connected the circuit between earphone Mike control module 14 and the second analog-digital converter 122, and disconnect 16 He of the first Mike
Circuit between second analog-digital converter 122.
It is exemplary, shown in Fig. 2, such as in the 9340 encoders (English using 845 platform of high pass：Codec audio) is realized
When acquiring function, include since 9340codec only has 4 ADC, the first ADC121：AMIC1_INP and AMIC1_INM；Second
ADC122 includes：AMIC2_INP and AMIC2_INM；3rd ADC123 includes：AMIC3_INP and AMIC3_INM；4th
ADC124 includes：AMIC4_INP and AMIC4_INM；At this point, first ADC121 of first Mike 16 using CODE9340, earphone
Mike's control module 14 uses the 2nd ADC122, and the second Mike 17 uses the 3rd ADC123 and the 4th ADC124, due to second
ADC122 is dedicated for earphone Mike and uses (namely the ADC is connected with earphone Mike control module 14), but is realizing double ADC
But 4 ADC are needed when audio collection function, and double ADC audio collection work(thus can not be directly realized using 9340codec
Energy.
In order to realize double ADC audio collection functions using the 9340codec of 845 platform of high pass, one can be increased in circuit
A switch unit 13, the switch unit 13 is for being multiplexed the 2nd ADC122, that is, the 2nd ADC of switching gives the first Mike 16 or ear
Machine Mike control module 14.That is, being used for realizing double ADC audio collection functions when due to the first Mike 16 and the second Mike 17
, therefore, when realizing double ADC audio collection functions, switch unit 13 can be connected between the first Mike 16 and the 2nd ADC122
Circuit, and disconnect the circuit between earphone Mike control module 14 and the 2nd ADC122.
Wherein, above-mentioned switch unit 13 includes but not limited to：Switch (such as：FSA2276).
When the first Mike 16 can be top Mike's (English：AUX MIC) when, the second Mike 17 can based on Mike (English：
TOP MIC)；Alternatively, when the first Mike 16 can be TOP MIC, the second Mike 17 can be AUX MIC.
Earphone jack 15 is TYPE_C USB PORT.
The technical scheme provided by this disclosed embodiment can include the following benefits：Processor is connected with switch unit
It connects；Earphone jack is connected with earphone Mike's control module；First Mike and earphone Mike control module respectively with switch unit
One end be connected, the other end of switch unit is connected with the second analog-digital converter；First Mike also with the first analog-to-digital conversion
Device is connected；Second Mike is connected with third analog-digital converter and the 4th analog-digital converter respectively；Switch unit is for examining
When measuring earphone jack has earphone insertion, the circuit between earphone Mike control module and the second analog-digital converter is connected, and break
Open the circuit between the first Mike and the second analog-digital converter；In other cases, switch unit for be connected the first Mike and
Circuit between second analog-digital converter, and disconnect the circuit between earphone Mike and the second analog-digital converter.It is cut by increasing
Change unit so that earphone Mike control module and the first Mike can be multiplexed the same analog-digital converter, thus not only can be real
The audio frequency process function of existing earphone can also realize double ADC audio collection functions.
In one embodiment, as shown in figure 3, the circuit further includes：Earphone for controlling ear-phone function controls mould
Block 18；
The earphone jack 15 is also connected with the earphone control module 18；The earphone control module 18 is for examining
When measuring the earphone jack 15 has earphone insertion, into the first operating mode, in other cases, into the second Working mould
Formula.
Fig. 4 show WCD9335 audio chip schematic diagrames, when MBHC mechanical detection logic are certainly
Start building operation mode when, as shown in figure 4, when TIP detect pins detect in earphone jack 15 be inserted into earphone after, be connected thereto
Comparator to MBHC mechanical detection logic output the first control level, MBHC mechanical
Detection logic are closed according to the first control level control S4, S1 and S2 are disconnected, due to S4 closures namely MIC
BIAS is powered on；After TIP detect pins detect that earphone is extracted from earphone jack 15, comparator connected to it to
MBHC mechanical detection logic output the second control level, MBHC mechanical detection
Logic is disconnected according to the second control level control S4, S1 and S2 are closed, due to S4 disconnections namely MICBIAS power-off.
When MBHC mechanical detection logic are manual work pattern, as shown in figure 4, working as TIP
Detect pins detect be inserted into earphone in earphone jack 15 after, comparator connected to it is to MBHC mechanical
Detection logic output the first control level, MBHC mechanical detection logic are according to first control
Level controls S4 closures, S1 and S2 and disconnects, since S4 closures namely MIC BIAS power on；When TIP detect pins detect
For earphone after being extracted in earphone jack 15, comparator connected to it is defeated to MBHC mechanical detection logic
Go out the second control level, MBHC mechanical detection logic are closed according to the second control level control S1 and S2
It closes；But at this point, S4 still handles closed state namely MIC BIAS are still within power-up state, when earphone is from earphone jack 15
When middle extraction, when the L channel terminal of earphone or right channel terminal touch Mike's power supply terminal in earphone jack 15, ear
It will produce noise in machine.
In order to avoid when earphone is extracted, noise is generated in earphone, when earphone is inserted into earphone jack 15, can control
MBHC mechanical detection logic are automatic operation mode.
But when MBHC mechanical detection logic are automatic operation mode, when earphone is inserted from earphone
After being extracted in hole 15, the AMIC2_INP in Fig. 2 can be grounded, that is, ADC2 cisco unity malfunctions, only when earphone is inserted into earphone
After jack 15, ADC2 could be worked normally, but in earphone after being extracted in earphone jack 15, terminal device may execute double
ADC audio collection functions, at this time, it may be necessary to which ADC2 is worked normally, therefore, after earphone extracts earphone jack 15, by MBHC
The operating mode of mechanical detection logic is switched to manual work pattern by automatic operation mode, this is because
Under manual work pattern, even if not having earphone in earphone jack 15, AMIC2_INP will not be forced to be grounded, then, ADC2
It can work normally, so as to realize double ADC audio collection functions.
Wherein, the operating mode of control MBHC mechanical detection logic is the reality of automatic operation mode
Now mode is：The value of register is changed, such as：Control 0x722 [5:4]=0；Control MBHC mechanical detection
The operating mode of logic is that the realization method of manual work pattern is：The value of register is changed, such as：Control 0x722 [5:4]
=2.
Above-mentioned earphone control module 1818 can be the MBHC mechanical detection logic in Fig. 4, on
The first operating mode stated is automatic operation mode, and the second above-mentioned operating mode is manual mode.
The technical scheme provided by this disclosed embodiment can include the following benefits：By switching earphone control module
Operating mode, it is possible to prevente effectively from earphone extract when generate noise.
In one embodiment, as shown in figure 5, foregoing circuit further includes：Third Mike 1919, codec 12 further include
Handover module 125125；
Second Mike 17 be connected respectively with third analog-digital converter 123 and the 4th analog-digital converter 124 including：
Second Mike 17 and third Mike 19 are connected with one end of handover module 125 respectively, handover module 125 it is another
End is connected with the 4th analog-digital converter 124；
Second Mike 17 is also connected with third analog-digital converter 123；
Handover module 125 is used for when the first Mike 16 and the second Mike 17 execute double ADC audio collection functions, and control is led
Logical circuit between second Mike 17 and the 4th analog-digital converter 124, and disconnect third Mike 19 and the 4th analog-digital converter 124
Between circuit；In other situations, the circuit between control conducting third Mike 19 and the 4th analog-digital converter 124, and break
Open the circuit between the second Mike 17 and the 4th analog-digital converter 124.
Can also include third Mike 19 in a kind of achievable mode, in above-mentioned audio collection circuit, at this point it is possible to
Third Mike 19 and the second Mike 17 are multiplexed the 4th analog-digital converter 124, when realizing double ADC audio collection functions, switch mould
The circuit between the second Mike 17 and the 4th analog-digital converter 124 is connected in block 125, disconnects third Mike 19 and the 4th analog-to-digital conversion
Circuit between device 124, when terminating double ADC audio collection functions, third Mike 19 and the 4th modulus is connected in handover module 125
Circuit between converter 124 disconnects the circuit between the second Mike 17 and the 4th analog-digital converter 124.
Wherein, above-mentioned third Mike 19 can be ultrasonic wave Mike.
The technical scheme provided by this disclosed embodiment can include the following benefits：By being multiplexed the 4th analog-to-digital conversion
The function of third Mike may be implemented in device, double ADC audio collection functions can also be realized, to improve reliability.
It is worth noting that, the working method of other modules and effect and phase in the related technology in above-mentioned Fig. 2 and Fig. 4
Seemingly, details are not described herein again.Processor therein can be SDM845, and MIC/AGND switches can be FSA8049；USB/HPH is opened
Pass can be NL3S22UH；Codec can be WCD9340；Power management chip can be PMI8998；Power supply can be
ISL98607A+/-5power；Audio-frequency amplifier can be：TAS2559 or TAS2560.
The embodiment of the present disclosure also provides a kind of terminal device, includes the audio collection electricity as described in any of the above-described embodiment
Road.
Fig. 6 is according to the flow chart of the audio collection method shown in an exemplary embodiment, as shown in fig. 6, the method
Applied to the terminal device as described in above-described embodiment, this approach includes the following steps
S101-S105：
In step S101, control terminal equipment enters standby mode, and standby mode includes：The first wheat is connected in switch unit
Circuit gram between the second analog-digital converter disconnects the circuit between earphone Mike and the second analog-digital converter, earphone control
Module enters the first operating mode.
In step s 102, monitored whether that earphone is inserted into earphone jack.
In step s 103, when having monitored that earphone is inserted into earphone jack, control terminal equipment switches from standby mode
To headset mode, and controls earphone and carry out audio frequency process；Headset mode includes：Earphone Mike and the second modulus is connected in switch unit
Circuit between converter, disconnects the circuit between the first Mike and the second analog-digital converter, and earphone control module is from the first work
Operation mode switches to the second operating mode.
In step S104, when monitoring that the earless machine transplanting of rice enters earphone jack constantly, detect whether that receiving audio collection refers to
Show instruction.
Wherein, it detects whether to receive audio collection instruction, may include：Detect whether the recording in opening terminal apparatus
Function, or whether the recording function in opening terminal apparatus.
In step S105, when detection receives audio collection indicator, controls the first Mike and the second Mike holds
The double ADC audio collection functions of row.
The technical scheme provided by this disclosed embodiment can include the following benefits：Control terminal equipment enters standby
Pattern, standby mode include：The circuit between the first Mike and the second analog-digital converter is connected in switch unit, disconnects earphone Mike
And the second circuit between analog-digital converter, earphone control module enter the first operating mode；When monitored earphone be inserted into ear
When machine transplanting of rice hole, control terminal equipment switches to headset mode from standby mode, and controls earphone and carry out audio frequency process；Headset mode
Including：The circuit between earphone Mike and the second analog-digital converter is connected in switch unit, disconnects the first Mike and the second modulus turns
Circuit between parallel operation, earphone control module switch to the second operating mode from the first operating mode；When monitoring the earless machine transplanting of rice
Enter earphone jack constantly, and detection controls the first Mike and the second Mike executes double ADC when receiving audio collection indicator
Audio collection function.Wherein, earphone Mike control module and the first Mike can be multiplexed the same analog-digital converter, to not only
The audio frequency process function that earphone may be implemented can also realize double ADC audio collection functions.
In one embodiment, the above method further includes following sub-step：When monitoring that earphone detaches with earphone jack, control
System switches to standby mode from headset mode.
After earphone extracts earphone jack, terminal device may carry out double ADC audio collection functions, at this point, just actively
It is switched to standby mode, effectively reduces the time delay for executing double ADC audio collection functions.
In one embodiment, above-mentioned when detection receives audio collection indicator, control the first Mike and second
Mike executes double ADC audio collection functions, including following sub-step A1-A2：
In A1, when detection receives audio collection indicator, control the second Mike of conducting and the 4th analog-to-digital conversion
Circuit between device, and disconnect the circuit between third Mike and the 4th analog-digital converter.
In A2, controls the first Mike and the second Mike executes double ADC audio collection functions.
When sound-recording function is opened in detection or opens recording function, show to execute double ADC audio collection functions, just controls the
Circuit turn-on between three Mikes and the 4th analog-digital converter.
In one embodiment, the above method further includes following sub-step：When detection receives audio collection command for stopping
When, the circuit between control conducting third Mike and the 4th analog-digital converter, and disconnect the second Mike and the 4th analog-digital converter
Between circuit.
In order to realize the function of third Mike, after detection closes sound-recording function or closes recording function, just control conducting
Circuit between third Mike and the 4th analog-digital converter.
Fig. 7 is a kind of flow chart of audio collection method shown according to an exemplary embodiment, and this method is applied to Fig. 2
Shown in scene, as shown in fig. 7, in conjunction with above-described embodiment, this approach includes the following steps：
In step s 201, control terminal equipment enters standby mode.
The circuit between the first Mike and the second analog-digital converter is connected in switch unit, disconnects earphone Mike and the second modulus
Circuit between converter, into automatic operation mode；Then 0x722 [5 is controlled:4]=0；And control handover module conducting the
Circuit between three Mikes and the 4th analog-digital converter, and disconnect the circuit between the second Mike and the 4th analog-digital converter.
In step S202, whether there is earphone insertion in test earphone jack, there is earphone to insert when detecting in earphone jack
It is fashionable, execute step S203- steps S2011；When detecting that the earless machine transplanting of rice is fashionable in earphone jack, step S2012- is executed
2019。
In step S203, headset mode is switched to.
Second analog-digital converter is mute (the second analog-digital converters of Mute)；Earphone Mike and the second modulus is connected in switch unit
Circuit between converter disconnects the circuit between the first Mike and the second analog-digital converter, switches to manual work pattern；So
0x722 [5 is controlled afterwards:4]=2.
In step S204, circuit switching.
The state for controlling MIC/AGND switches is " ON ", controls USB/HPH switch conduction L channel LEFT and right channel
RIGHT。
In step S205, earphone Mike powers on.
In step S206, the headset type of insertion is detected, when the earphone that detection is inserted into is 3POLE earphones, executes step
Rapid S207 executes step S208 when the earphone that detection is inserted into is 4POLE earphones.
In step S207, into single ADC mode.
In step S208, into earphone Mike's function.
In step S209, audio frequency process function is executed.
Above-mentioned audio frequency process function includes：Recording, call and VOIP.
In step S2010, whether test earphone is extracted, and when test earphone extraction, executes step S2010, when detection ear
Machine is not extracted, and step S208 is executed.
In step S2011, earphone Mike power-off.
In step S2012, circuit switching, and enter step S201.
The state for controlling MIC/AGND switches is " OFF ", control USB/HPH switch conduction USB D+ and USB D-.
It in step S2013, detects whether to open audio collection function, when detection unlatching audio collection function, executes step
Rapid S2014, when audio collection function, execution step S2020 are not opened in detection.
Wherein, audio collection function includes：Recording or recording function.
In step S2014, circuit overlap joint.
Control handover module the circuit between the second Mike and the 4th analog-digital converter is connected and disconnect third Mike and
Circuit between four analog-digital converters.
In step S2015, the first Mike powers on.
In step S2016, double ADC audio collection functions are executed.
It in step S2017, detects whether to stop audio collection function, does not stop audio collection function when detecting, execute
Step S2018；When detection stops audio collection function, execution step S2019.
In step S2018, control the first Mike power-off.
In step S2019, circuit switching, and execute step S201.
Control handover module conducting third Mike and the 4th analog-digital converter between circuit, and disconnect the second Mike and
Circuit between four analog-digital converters.
In step S2020, list ADC functions are executed, and execute step S202.
According to the third aspect of the embodiment of the present disclosure, a kind of audio collecting device is provided, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, processor is configured as：
Control terminal equipment enters standby mode, and the standby mode includes：First wheat is connected in the switch unit
Circuit gram between second analog-digital converter, disconnects the electricity between the earphone Mike and second analog-digital converter
Road, earphone control module enter the first operating mode；
Monitor whether that earphone is inserted into earphone jack；
When having monitored that earphone is inserted into the earphone jack, controls the terminal device and switched to from the standby mode
Headset mode, and control the earphone and carry out audio frequency process；The headset mode includes：The earphone is connected in the switch unit
Circuit between Mike and second analog-digital converter disconnects between first Mike and second analog-digital converter
Circuit, earphone control module switch to the second operating mode from first operating mode；
When monitoring that the earless machine transplanting of rice enters the earphone jack constantly, detect whether to receive audio collection indicator；
When detection receives the audio collection indicator, controls first Mike and second Mike executes
Double ADC audio collections functions.
Above-mentioned processor is also configured to：
The method further includes：
When monitoring that the earphone detaches with the earphone jack, control switches to the standby mould from the headset mode
Formula.
It is described when detection receives the audio collection indicator, control first Mike and second Mike
Double ADC audio collection functions are executed, including：
When detection receives the audio collection indicator, second Mike and the 4th modulus is connected in control
Circuit between converter, and disconnect the circuit between the third Mike and the 4th analog-digital converter；
It controls first Mike and second Mike executes double ADC audio collection functions.
The method further includes：
When detection receives the audio collection command for stopping, the third Mike and the 4th modulus is connected in control
Circuit between converter, and disconnect the circuit between second Mike and the 4th analog-digital converter.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 8 is a kind of block diagram for audio collecting device 80 shown according to an exemplary embodiment, the terminal device
It include the audio collection circuit as described in any of the above-described embodiment.The device is suitable for terminal device.For example, device 80 can be with
It is mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building
Equipment, personal digital assistant etc..
Device 80 may include following one or more components：Processing component 802, memory 804, power supply module 806 are more
Media component 808, audio component 810, the interface 812 of input/output (I/O), sensor module 814 and communication component
816。
The integrated operation of 802 usual control device 80 of processing component, such as with display, call, data communication, camera
Operation and record operate associated operation.Processing component 802 may include one or more processors 820 to execute instruction,
To perform all or part of the steps of the methods described above.In addition, processing component 802 may include one or more modules, it is convenient for
Interaction between processing component 802 and other assemblies.For example, processing component 802 may include multi-media module, to facilitate more matchmakers
Interaction between body component 808 and processing component 802.
Memory 804 is configured as storing various types of data to support the operation in device 80.These data are shown
Example includes instruction for any application program or method that are operated on device 80, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 804 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 806 provides electric power for the various assemblies of device 80.Power supply module 806 may include power management system
System, one or more power supplys and other generated with for device 80, management and the associated component of distribution electric power.
Multimedia component 808 is included in the screen of one output interface of offer between described device 80 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 808 includes a front camera and/or rear camera.When device 80 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 810 is configured as output and/or input audio signal.For example, audio component 810 includes a Mike
Wind (MIC), when device 80 is in operation mode, when such as call model, logging mode and speech recognition mode, microphone is configured
To receive external audio signal.The received audio signal can be further stored in memory 804 or via communication component
816 send.In some embodiments, audio component 810 further includes a loud speaker, is used for exports audio signal.
I/O interfaces 812 provide interface between processing component 802 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor module 814 includes one or more sensors, the status assessment for providing various aspects for device 80.
For example, sensor module 814 can detect the state that opens/closes of device 80, the relative positioning of component, such as the component
For the display and keypad of device 80, sensor module 814 can be with the position of 80 1 components of detection device 80 or device
Change, the existence or non-existence that user contacts with device 80, the temperature change of 80 orientation of device or acceleration/deceleration and device 80.
Sensor module 814 may include proximity sensor, be configured to detect object nearby without any physical contact
Presence.Sensor module 814 can also include that optical sensor is used for such as CMOS or ccd image sensor in imaging applications
It uses.In some embodiments, which can also include acceleration transducer, gyro sensor, magnetic sensing
Device, pressure sensor or temperature sensor.
Communication component 816 is configured to facilitate the communication of wired or wireless way between device 80 and other equipment.Device
80 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or combination thereof.In an exemplary implementation
In example, communication component 816 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 816 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 80 can be believed by one or more application application-specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic building bricks are realized, for executing the above method.
In the exemplary embodiment, it includes the non-transitorycomputer readable storage medium instructed, example to additionally provide a kind of
Such as include the memory 804 of instruction, above-metioned instruction can be executed by the processor 820 of device 80 to complete the above method.For example, institute
State non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and
Optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is by the processor of device 80
When execution so that device 80 is able to carry out above-mentioned audio collection method, the method includes：
Control terminal equipment enters standby mode, and the standby mode includes：First wheat is connected in the switch unit
Circuit gram between second analog-digital converter, disconnects the electricity between the earphone Mike and second analog-digital converter
Road, earphone control module enter the first operating mode；
Monitor whether that earphone is inserted into earphone jack；
When having monitored that earphone is inserted into the earphone jack, controls the terminal device and switched to from the standby mode
Headset mode, and control the earphone and carry out audio frequency process；The headset mode includes：The earphone is connected in the switch unit
Circuit between Mike and second analog-digital converter disconnects between first Mike and second analog-digital converter
Circuit, earphone control module switch to the second operating mode from first operating mode；
When monitoring that the earless machine transplanting of rice enters the earphone jack constantly, detect whether to receive audio collection indicator；
When detection receives the audio collection indicator, controls first Mike and second Mike executes
Double ADC audio collections functions.
The method further includes：
When monitoring that the earphone detaches with the earphone jack, control switches to the standby mould from the headset mode
Formula.
It is described when detection receives the audio collection indicator, control first Mike and second Mike
Double ADC audio collection functions are executed, including：
When detection receives the audio collection indicator, second Mike and the 4th modulus is connected in control
Circuit between converter, and disconnect the circuit between the third Mike and the 4th analog-digital converter；
It controls first Mike and second Mike executes double ADC audio collection functions.
The method further includes：
When detection receives the audio collection command for stopping, the third Mike and the 4th modulus is connected in control
Circuit between converter, and disconnect the circuit between second Mike and the 4th analog-digital converter.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (10)
1. a kind of audio collection circuit, which is characterized in that including：
Processor, codec, switch unit, earphone Mike control module, earphone jack and for realizing double modulus convert
The first Mike and the second Mike of device ADC audio collection functions；
The codec includes：First analog-digital converter, the second analog-digital converter, third analog-digital converter and the 4th modulus turn
Parallel operation；
The processor is connected with the switch unit；
The earphone jack is connected with the earphone Mike control module；
First Mike and the earphone Mike control module are connected with one end of the switch unit respectively, the switching
The other end of unit is connected with second analog-digital converter；
First Mike is also connected with first analog-digital converter；
Second Mike is connected with the third analog-digital converter and the 4th analog-digital converter respectively；
The processor is used for when detecting that earphone jack has earphone insertion, controls the switch unit for the ear to be connected
Circuit between machine Mike control module and second analog-digital converter, and disconnect first Mike and second modulus
Circuit between converter；In other cases, the switch unit is controlled for first Mike and described second to be connected
Circuit between analog-digital converter, and disconnect the circuit between the earphone Mike and second analog-digital converter.
2. circuit according to claim 1, which is characterized in that the circuit further includes：Ear for controlling ear-phone function
Machine control module；
The earphone jack is also connected with the earphone control module；The earphone control module is for detecting the ear
When there is earphone insertion in machine transplanting of rice hole, into the first operating mode, in other cases, into the second operating mode.
3. circuit according to claim 1, which is characterized in that the circuit further includes：Third Mike, the codec
It further include handover module；
Second Mike be connected respectively with the third analog-digital converter and the 4th analog-digital converter including：
Second Mike and the third Mike are connected with one end of the handover module respectively, the handover module it is another
One end is connected with the 4th analog-digital converter；
Second Mike is also connected with the third analog-digital converter；
The handover module is used for when first Mike and second Mike execute double ADC audio collection functions, control
The circuit between second Mike and the 4th analog-digital converter is connected, and disconnects the third Mike and the 4th mould
Circuit between number converter；In other situations, control is connected between the third Mike and the 4th analog-digital converter
Circuit, and disconnect the circuit between second Mike and the 4th analog-digital converter.
4. a kind of terminal device, which is characterized in that including audio collection circuit as described in any one of claims 1-3.
5. a kind of audio collection method, which is characterized in that the method is applied to terminal device as claimed in claim 5, institute
The method of stating includes：
Control terminal equipment enters standby mode, and the standby mode includes：The switch unit be connected first Mike and
Circuit between second analog-digital converter disconnects the circuit between the earphone Mike and second analog-digital converter,
Earphone control module enters the first operating mode；
Monitor whether that earphone is inserted into earphone jack；
When having monitored that earphone is inserted into the earphone jack, controls the terminal device and switch to earphone from the standby mode
Pattern, and control the earphone and carry out audio frequency process；The headset mode includes：The earphone Mike is connected in the switch unit
Circuit between second analog-digital converter disconnects the electricity between first Mike and second analog-digital converter
Road, earphone control module switch to the second operating mode from first operating mode；
When monitoring that the earless machine transplanting of rice enters the earphone jack constantly, detect whether to receive audio collection indicator；
When detection receives the audio collection indicator, controls first Mike and second Mike execution is double
ADC audio collection functions.
6. according to the method described in claim 5, it is characterized in that, the method further includes：
When monitoring that the earphone detaches with the earphone jack, control switches to the standby mode from the headset mode.
7. according to the method described in claim 5, it is characterized in that, described when detection receives the audio collection indicator
When, it controls first Mike and second Mike executes double ADC audio collection functions, including：
When detection receives the audio collection indicator, second Mike and the 4th analog-to-digital conversion is connected in control
Circuit between device, and disconnect the circuit between the third Mike and the 4th analog-digital converter；
It controls first Mike and second Mike executes double ADC audio collection functions.
8. according to the method described in claim 5, it is characterized in that, the method further includes：
When detection receives the audio collection command for stopping, the third Mike and the 4th analog-to-digital conversion is connected in control
Circuit between device, and disconnect the circuit between second Mike and the 4th analog-digital converter.
9. a kind of audio collecting device, which is characterized in that including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
Control terminal equipment enters standby mode, and the standby mode includes：The switch unit be connected first Mike and
Circuit between second analog-digital converter disconnects the circuit between the earphone Mike and second analog-digital converter,
Earphone control module enters the first operating mode；
Monitor whether that earphone is inserted into earphone jack；
When having monitored that earphone is inserted into the earphone jack, controls the terminal device and switch to earphone from the standby mode
Pattern, and control the earphone and carry out audio frequency process；The headset mode includes：The earphone Mike is connected in the switch unit
Circuit between second analog-digital converter disconnects the electricity between first Mike and second analog-digital converter
Road, earphone control module switch to the second operating mode from first operating mode；
When monitoring that the earless machine transplanting of rice enters the earphone jack constantly, detect whether to receive audio collection indicator；
When detection receives the audio collection indicator, controls first Mike and second Mike execution is double
ADC audio collection functions.
10. a kind of computer readable storage medium, is stored thereon with computer instruction, which is characterized in that the instruction is by processor
The step of any one of claim 5 to 8 the method is realized when execution.
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| CN201810259962.7A CN108446094B (en) | 2018-03-27 | 2018-03-27 | Audio acquisition circuit, terminal equipment, audio acquisition method and device |
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