CN107800853A - Memory, mobile phone and its voicefrequency circuit and the outer of audio file put method - Google Patents
Memory, mobile phone and its voicefrequency circuit and the outer of audio file put method Download PDFInfo
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- CN107800853A CN107800853A CN201710861935.2A CN201710861935A CN107800853A CN 107800853 A CN107800853 A CN 107800853A CN 201710861935 A CN201710861935 A CN 201710861935A CN 107800853 A CN107800853 A CN 107800853A
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- loudspeaker
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 238000007689 inspection Methods 0.000 claims abstract description 3
- 239000011324 bead Substances 0.000 description 10
- 230000001052 transient effect Effects 0.000 description 10
- 230000005236 sound signal Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention provides a kind of memory, mobile phone and its outer of voicefrequency circuit and audio file put method, the voicefrequency circuit includes R channel circuit, detect circuit, control circuit and interface unit, control circuit includes switch member and power amplifier, interface unit includes left channel interface, right channel interface, detection circuit is connected with the left channel interface, R channel circuit and the input of control circuit connect, the right channel interface is connected with the output end of the control circuit, switch member, power amplifier is connected to the input of the control circuit, between output end, switch member is in the detection electric circuit inspection to being disconnected when having the insertion of external loudspeaker.Voicefrequency circuit proposed by the present invention between R channel circuit and right channel interface by adding control circuit, when external loudspeaker are inserted in interface unit, the audio file of mobile phone is played out by power amplifier and external loudspeaker, the playback of mobile phone is improved, improves Consumer's Experience, reduces cost.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of memory, mobile phone and its voicefrequency circuit and audio
The outer of file puts method.
Background technology
With the development of electronic technology, mobile electronic product uses popularization degree more and more higher, and people are to mobile electronic product
Intellectuality, the requirement also more and more higher of hommization.Wherein, the incidental function of mobile electronic product turns into whether it can account for
One of the determinant in market is led, and audio playing function is most indispensable function in these functions.Moved to improve
The audio result of broadcast of dynamic electronic equipment, currently used two methods are：1st, double horn scheme, i.e., on mobile electronic product
Two loudspeaker are set, because the size of loudspeaker is bigger, size and stacking to mobile electronic device require higher, and not
Beneficial to slimming；2nd, receiver is promoted to be played together with loudspeaker with intelligent power output amplification, but the cost of intelligent power output amplification is higher, debugging
Also it is more complicated.
The content of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of memory, mobile phone and its voicefrequency circuit and audio text
The outer of part puts method, improves the playback of mobile phone, improves Consumer's Experience, reduces cost.
Concrete technical scheme proposed by the present invention is：A kind of voicefrequency circuit of mobile phone is provided, the voicefrequency circuit includes the right side
Sound channel circuit, detection circuit, control circuit and interface unit, the control circuit includes switch member and power amplifier, described
Interface unit includes left channel interface, right channel interface, and the detection circuit is connected with the left channel interface, the R channel
Circuit is connected with the input of the control circuit, and the right channel interface is connected with the output end of the control circuit, described
Switch member, power amplifier are connected between the input, output end of the control circuit, and the switch member is in the inspection
Slowdown monitoring circuit disconnects when having detected external loudspeaker insertion.
Further, the voicefrequency circuit also includes L channel circuit, and the interface unit also includes ground connection mouth, the left side
Sound channel circuit is connected with the left channel interface, the ground connection mouth ground connection.
Further, the external loudspeaker include inlet unit, the inlet unit include first interface, second interface and
3rd interface, the first interface, second interface, the 3rd interface are distinguished when the inlet unit is inserted in the interface unit
It is connected with the left channel interface, right channel interface and ground connection mouth.
Further, the voicefrequency circuit also includes loudspeaker, and the loudspeaker is connected with the L channel circuit.
Further, the switch member is transistor.
The present invention also provides a kind of the outer of audio file of mobile phone and puts method, and the mobile phone includes audio-frequency electric as described above
Road, described putting method includes step outside：
Detect whether that external loudspeaker insert the interface unit；
If there are external loudspeaker to insert the interface unit, the switch member is disconnected, by the external loudspeaker to audio text
Part plays out.
Further, the mobile phone also includes L channel circuit and the loudspeaker being connected with the L channel circuit, if having
External loudspeaker insert the interface unit, described outer to put method and also include after disconnecting the switch member step：Mould is put outside opening
Formula, the audio file is played out by the loudspeaker and the external loudspeaker.
Present invention also offers a kind of memory, a plurality of instruction is stored with the memory, a plurality of instruction is suitable to
Loaded by processor and performed：
Detect whether that external loudspeaker insert the interface unit；
If there are external loudspeaker to insert the interface unit, the switch member is disconnected, by the external loudspeaker to audio text
Part plays out.
Present invention also offers a kind of mobile phone, the mobile phone includes：
Processor, it is adapted for carrying out a plurality of instruction；
Memory, suitable for storing a plurality of instruction, a plurality of instruction is suitable to be loaded and performed by the processor：
Detect whether that external loudspeaker insert the interface unit；
If there are external loudspeaker to insert the interface unit, the switch member is disconnected, by the external loudspeaker to audio text
Part plays out.
Voicefrequency circuit proposed by the present invention between R channel circuit and right channel interface by adding control circuit, outside
When putting in loudspeaker insertion interface unit, the audio file of mobile phone is played out by power amplifier and external loudspeaker, changed
It has been apt to the playback of mobile phone, has improved Consumer's Experience, reduces cost.
Brief description of the drawings
Below in conjunction with the accompanying drawings, by the way that the embodiment of the present invention is described in detail, technical scheme will be made
And other beneficial effects are apparent.
Fig. 1 is the schematic diagram of voicefrequency circuit；
Fig. 2 is the specific schematic diagram of voicefrequency circuit；
Fig. 3 is the outer flow chart for putting method of audio file.
Embodiment
Hereinafter, with reference to the accompanying drawings to embodiments of the invention are described in detail.However, it is possible to come in many different forms real
Apply the present invention, and the specific embodiment of the invention that should not be construed as limited to illustrate here.Conversely, there is provided these implementations
Example is in order to explain the principle and its practical application of the present invention, so that others skilled in the art are it will be appreciated that the present invention
Various embodiments and be suitable for the various modifications of specific intended application.In the accompanying drawings, identical label will be used for table all the time
Show identical element.
Reference picture 1, Fig. 2, the voicefrequency circuit for the mobile phone that the present embodiment provides include R channel circuit 1, detection circuit 2, control
Circuit 3 and interface unit 4 processed.Control circuit 3 includes switch member 31 and power amplifier 32, and interface unit 4 connects including L channel
Mouth 41, right channel interface 42, detection circuit 2 are connected with left channel interface 41, R channel circuit 1 and the input of control circuit 3
V1 connections, right channel interface 42 are connected with the output end V2 of control circuit 3, and switch member 31, power amplifier 32 are connected to
Between input V1, the output end V2 of control circuit 3, switch member 31 is broken when detecting circuit 2 and having detected that external loudspeaker 5 insert
Open.
Switch member 31 and power amplifier 32 are connected in parallel between input V1 and output end V2, are examined in detection circuit 2
When having measured the external insertion of loudspeaker 5, switch member 31 disconnects, and now, a power amplifier 32 is connected to input V1 and output
Between holding V2, the audio file of mobile phone can be played out by power amplifier 32 and external loudspeaker 5.In external loudspeaker 5
When being unplugged or having earphone insertion, switch member 31 is closed, and now, power amplifier 32 is short-circuited.Switch in the present embodiment
Part 31 is transistor, it is of course also possible to elect other electronic components with switching function as, is not limited here.
In order to realize stereophonic effect, voicefrequency circuit also includes L channel circuit 6 and loudspeaker (figure is not marked), interface unit
4 also include ground connection mouth 43, and loudspeaker is connected with L channel circuit 6, and L channel circuit 6 is connected with left channel interface 41, is grounded mouth
43 ground connection., can be respectively to left channel audio signal and the right side by loudspeaker and external loudspeaker 5 when mobile phone is in outer mode playback
Channel audio signal plays out, so that having more preferable stereophonic effect when mobile phone is put outside.
External loudspeaker 5 include inlet unit 51 and loudspeaker unit 52, and inlet unit 51 connects including first interface 511, second
The interface 513 of mouth 512 and the 3rd, first interface 511, the interface 513 of second interface 512 and the 3rd insert interface list in inlet unit 51
It is connected respectively with left channel interface 41, right channel interface 42 and ground connection mouth 43 when in member 4.
In order to realize microphone function, the mobile phone in the present embodiment also includes microphone circuit 7, and interface unit 4 also includes
Microphone interface 44, microphone circuit 7 are connected with microphone interface 44, and external loudspeaker 5 also include the 4th interface 514, in socket
When unit 51 is inserted in interface unit 4, the 4th interface 514 is connected with microphone interface 44.
Referring again to Fig. 2, specifically, R channel circuit 1 includes signal port S1, inductance L1, magnetic bead FB1, electric capacity C1, electricity
Hold C2, resistance R1, Transient Voltage Suppressor TVS1, inductance L2.Wherein, inductance L1 is connected with signal port S1, magnetic bead FB1 and electricity
Feel L1 connections, inductance L2 is connected between magnetic bead FB1 output end and input V1, electric capacity C1, electric capacity C2, resistance R1, transient state
Output ends of the voltage suppressor TVS1 respectively with magnetic bead FB1 is connected, electric capacity C1, electric capacity C2, resistance R1, Transient Voltage Suppressor
The TVS1 other end is grounded respectively.Signal port S1 is used to input right channel audio signal, and inductance L1, magnetic bead FB1 play filtering
Effect, Transient Voltage Suppressor TVS1 plays a part of antistatic, and it is used to be released electrostatic.
Detection circuit 2 is connected to signal port including signal port S2, signal port S3, resistance R2, resistance R3, resistance R2
Between S2 and left channel interface 41, resistance R3 is connected between signal port S3 and left channel interface 41.Resistance R2 and resistance R3
Respectively as the load resistance of detection circuit 2.
L channel circuit 6 includes signal port S4, inductance L3, magnetic bead FB2, electric capacity C3, electric capacity C4, resistance R4, transient state electricity
Press suppressor TVS2, inductance L4.Wherein, inductance L3 is connected with signal port S4, and magnetic bead FB2 is connected with inductance L3, and inductance L4 connects
It is connected between magnetic bead FB2 output end and left channel interface 41, electric capacity C3, electric capacity C4, resistance R4, Transient Voltage Suppressor TVS2
The output end with magnetic bead FB2 is connected respectively, electric capacity C3, electric capacity C4, resistance R4, Transient Voltage Suppressor TVS2 other end difference
Ground connection.Signal port S4 is used to input left channel audio signal, and inductance L3, magnetic bead FB2 play a part of filtering, transient voltage suppression
Device TVS2 processed plays a part of antistatic, and it is used to be released electrostatic.
Microphone circuit 7 includes signal port S5, electric capacity C5, Transient Voltage Suppressor TVS3, inductance L5.Signal port S5
It is grounded respectively through electric capacity C5 and Transient Voltage Suppressor TVS3, signal port S5 is connected through inductance L5 with microphone interface 44.Letter
Number port S5 is used to exporting audio signal that external loudspeaker 5 gather to mobile phone.
The voicefrequency circuit that the present embodiment proposes between R channel circuit 1 and right channel interface 42 by adding control circuit
3, it is not necessary to increase extra loudspeaker or intelligent power output amplification, by power amplifier 32 and external loudspeaker 5 come the audio text to mobile phone
Part plays out, and reduces cost, improves the playback of mobile phone.In addition, when mobile phone is in outer mode playback, hand can be passed through
The loudspeaker and outside speaker 5 of machine itself play out to the audio file of mobile phone simultaneously, the loudspeaker pair of mobile phone itself
Left channel audio signal plays out, and external loudspeaker 5 play out to right channel audio signal, so as to improve the solid of mobile phone
Sound effective value.
Reference picture 3, the present embodiment also provide a kind of the outer of audio file of mobile phone and put method, and the mobile phone includes as above institute
The voicefrequency circuit stated, i.e. voicefrequency circuit include R channel circuit 1, detection circuit 2, control circuit 3 and interface unit 4.Control electricity
Road 3 includes switch member 31 and power amplifier 32, and interface unit 4 includes left channel interface 41, right channel interface 42, detects circuit
2 are connected with left channel interface 41, and R channel circuit 1 is connected with the input V1 of control circuit 3, right channel interface 42 and control electricity
The output end V2 connections on road 3, switch member 31, power amplifier 32 are connected to the input V1 of control circuit 3, output end V2
Between, switch member 31 disconnects when detecting circuit 2 and having detected that external loudspeaker 5 insert, and described putting method includes step outside：
S1, detect whether that external loudspeaker 5 insert interface unit 4, signal port S2, the letter of circuit 2 are detected according to analysis
Number port S3 signal determines whether that external loudspeaker 5 are inserted in interface unit 4；
If S2, there are external loudspeaker 5 to insert interface unit 4, switch member 31 is disconnected, audio file is entered by external loudspeaker 5
Row plays, wherein, switch member 31 and power amplifier 32 are connected in parallel between input V1 and output end V2, in detection circuit
2 when having detected that external loudspeaker 5 insert, and switch member 31 disconnects, now, a power amplifier 32 be connected to input V1 with it is defeated
Go out between holding V2, the audio file of mobile phone can be played out by power amplifier 32 and external loudspeaker 5.
Mobile phone in the present embodiment also includes L channel circuit 6 and the loudspeaker being connected with L channel circuit 6, in step S2
Afterwards, it is described outer to put method and also include：Outer mode playback is opened, the audio file is carried out by loudspeaker and external loudspeaker 5
Play.
The present embodiment additionally provides a kind of memory, and a plurality of instruction is stored with the memory, and a plurality of instruction is suitable
In being loaded by processor and performed：
Detect whether that external loudspeaker 5 insert interface unit 4；
If there are external loudspeaker 5 to insert interface unit 4, switch member 31 is disconnected, audio file is broadcast by external loudspeaker 5
Put.
The present embodiment additionally provides a kind of mobile phone, and the mobile phone includes：Processor, it is adapted for carrying out a plurality of instruction；Memory,
Suitable for storing a plurality of instruction, a plurality of instruction is suitable to be loaded and performed by the processor：
Detect whether that external loudspeaker 5 insert interface unit 4；
If there are external loudspeaker 5 to insert interface unit 4, switch member 31 is disconnected, audio file is broadcast by external loudspeaker 5
Put.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (9)
1. a kind of voicefrequency circuit of mobile phone, it is characterised in that including R channel circuit, detection circuit, control circuit and interface list
Member, the control circuit include switch member and power amplifier, and the interface unit includes left channel interface, right channel interface,
The detection circuit is connected with the left channel interface, and the R channel circuit is connected with the input of the control circuit, institute
The output end that right channel interface is stated with the control circuit is connected, and the switch member, power amplifier are connected to the control
Between the input, output end of circuit processed, the switch member is in the detection electric circuit inspection to being disconnected when having the insertion of external loudspeaker.
2. voicefrequency circuit according to claim 1, it is characterised in that also including L channel circuit, the interface unit is also
Including being grounded mouth, the L channel circuit is connected with the left channel interface, the ground connection mouth ground connection.
3. voicefrequency circuit according to claim 2, it is characterised in that the external loudspeaker include inlet unit, described to insert
Mouth unit includes first interface, second interface and the 3rd interface, and the first interface, second interface, the 3rd interface are inserted described
It is connected respectively with the left channel interface, right channel interface and ground connection mouth when mouth unit is inserted in the interface unit.
4. voicefrequency circuit according to claim 2, it is characterised in that also including loudspeaker, the loudspeaker and the left side
Sound channel circuit connects.
5. voicefrequency circuit according to claim 1, it is characterised in that the switch member is transistor.
6. a kind of the outer of the audio file of mobile phone puts method, it is characterised in that the mobile phone includes sound as claimed in claim 1
Frequency circuit, described putting method includes step outside：
Detect whether that external loudspeaker insert the interface unit；
If there are external loudspeaker to insert the interface unit, the switch member is disconnected, audio file is entered by the external loudspeaker
Row plays.
Outer put method 7. according to claim 6, it is characterised in that the mobile phone also include L channel circuit and with it is described
The loudspeaker of L channel circuit connection, if there is external loudspeaker to insert the interface unit, after disconnecting the switch member step, institute
Putting method outside stating also includes：Outer mode playback is opened, the audio file is carried out by the loudspeaker and the external loudspeaker
Play.
8. a kind of memory, it is characterised in that a plurality of instruction is stored with the memory, a plurality of instruction is suitable to by handling
Device is loaded and performed：
Detect whether that external loudspeaker insert the interface unit；
If there are external loudspeaker to insert the interface unit, the switch member is disconnected, audio file is entered by the external loudspeaker
Row plays.
A kind of 9. mobile phone, it is characterised in that including：
Processor, it is adapted for carrying out a plurality of instruction；
Memory, suitable for storing a plurality of instruction, a plurality of instruction is suitable to be loaded and performed by the processor：
Detect whether that external loudspeaker insert the interface unit；
If there are external loudspeaker to insert the interface unit, the switch member is disconnected, audio file is entered by the external loudspeaker
Row plays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710861935.2A CN107800853B (en) | 2017-09-21 | 2017-09-21 | Memory, mobile phone, audio circuit thereof and method for externally playing audio file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710861935.2A CN107800853B (en) | 2017-09-21 | 2017-09-21 | Memory, mobile phone, audio circuit thereof and method for externally playing audio file |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107800853A true CN107800853A (en) | 2018-03-13 |
| CN107800853B CN107800853B (en) | 2020-07-24 |
Family
ID=61532293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710861935.2A Active CN107800853B (en) | 2017-09-21 | 2017-09-21 | Memory, mobile phone, audio circuit thereof and method for externally playing audio file |
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| Country | Link |
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| CN (1) | CN107800853B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195067A (en) * | 2018-07-20 | 2019-01-11 | 广州市欧智智能科技有限公司 | A kind of muting control circuit |
| CN111263272A (en) * | 2020-01-19 | 2020-06-09 | 深圳巴金科技有限公司 | Audio signal shunting and returning method and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204206428U (en) * | 2014-08-21 | 2015-03-11 | 北京康智乐思网络科技有限公司 | Audio interface and audio connector communication system and main equipment thereof and external equipment |
| CN106658291A (en) * | 2016-12-21 | 2017-05-10 | 捷开通讯(深圳)有限公司 | Audio device and method for switching stereo and single track external play |
-
2017
- 2017-09-21 CN CN201710861935.2A patent/CN107800853B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204206428U (en) * | 2014-08-21 | 2015-03-11 | 北京康智乐思网络科技有限公司 | Audio interface and audio connector communication system and main equipment thereof and external equipment |
| CN106658291A (en) * | 2016-12-21 | 2017-05-10 | 捷开通讯(深圳)有限公司 | Audio device and method for switching stereo and single track external play |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195067A (en) * | 2018-07-20 | 2019-01-11 | 广州市欧智智能科技有限公司 | A kind of muting control circuit |
| CN111263272A (en) * | 2020-01-19 | 2020-06-09 | 深圳巴金科技有限公司 | Audio signal shunting and returning method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107800853B (en) | 2020-07-24 |
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